Combustible Gas Gas Sensors

Description

Combustible gas sensors are devices designed to detect the presence of combustible gases in the air. They provide a signal indicating the concentration of these gases, which can be used to trigger alarms or other safety measures to prevent hazardous situations.

Working Principle

Combustible gas sensors typically operate on the principle of catalytic combustion. A heated catalyst, often a coated wire coil, is used to burn the selected gas. As the gas combusts, the temperature of the wire increases, leading to a change in its electrical resistance. This change is measured using a Wheatstone bridge circuit, which transforms the temperature change into a sensor signal. This signal can then be used to activate alarms and initiate fire preventative actions .

Applications

Combustible gas sensors are widely used in various industries due to their reliability and effectiveness. Specific applications include oil and gas production and refining, chemical processing, waste treatment, pulp and paper manufacturing, metal-treating, drying ovens, and landfills .

Advantages over other Gas Sensors

Catalytic gas sensors are robust, economical, and reliable. They are self-compensating to changes in environmental conditions such as humidity, pressure, and temperature, making them suitable for a wide range of applications. Additionally, they are easy to install, calibrate, and use, and can operate for years with minimal maintenance .

Limitations

One of the limitations of catalytic gas sensors is their susceptibility to sensor poisoning, which can occur with frequent or continuous exposure to high concentrations of gas. This can shorten the sensor's lifespan. Additionally, while they can monitor a wide range of combustible gases and vapors, they are not specific to any single gas, such as ammonia .

Considerations

When considering the use of combustible gas sensors, it is important to evaluate initial costs, operating expenses, and maintenance requirements. Catalytic sensors are generally cost-effective and have a long operational life, but they require periodic gas calibrations to ensure accurate operation. Durability is a strength, as they are designed to withstand various environmental conditions, but accuracy can be affected by sensor poisoning over time .

103 Results
4 Series Low Explosion Level (LEL) Combustable Gas Sensor -- 4LEL-D-2.5/3.0
from Electro Optical Components, Inc.

SemeaTech, a world leader in sensing technologies, offers a full line of electrochemical sensors for detecting hazardous materials and gases for work safety and environmental protection. SemeaTech has built a wide network of industry experts and technologists to provide the company with guidance for... [See More]

  • Gas Types: Combustible
  • Measurement Type: %LEL or %LFL
  • Sensor Technology: Electrochemical
  • Features: Hazardous Environment
Explosion Proof Combustible Gas Sensor/Transmitter -- Gas Post, 40-XPSeries
from Acme Engineering Products

The Acme Combustible gas sensor/transmitter measures the concentration of the target gas in an enclosed area and produces a proportional analog output signal. The Acme 40-ST Combustible Gas sensor is explosion-proof. The enclosure of the sensor/transmitter is an explosion-proof enclosure. ​. [See More]

  • Gas Types: Toxic; Combustible; Hydrocarbons (0-40% LEL); H2 (0-40% LEL)
  • Number of Gases Monitored: Multi
  • Sensor Technology: Catalytic
  • Measurement Type: %LEL or %LFL
Ammonia (NH3) Combustible Fixed Gas Detector (0-100ppm)
from CO2Meter.com

The Ammonia NH3 Combustible Fixed Gas Detector (PX2-1-2-E1125-A-01) is designed for continuous monitoring of ammonia toxic gases between 0-100ppm and vapors in hazardous areas of zones 1 and 2. This detector is an explosion-proof fixed NH3 gas detector, which measures between 0 - 100ppm. The... [See More]

  • Gas Types: Combustible (Combustible Fixed Gas Detectors - Ammonia (NH3) Combustible Fixed Gas Detector (0-100ppm))
  • Operating Temperature: -30 to 122
  • Number of Gases Monitored: Single
  • Operating Humidity: 15 to 90
Carbon Dioxide Infrared Gas Sensor – Standard Series
from Dynament

Dynament offers a comprehensive range of hydrocarbon-based infrared sensors designed to accurately detect carbon dioxide concentrations from 0 to 100% volume. These sensors use non-dispersive infrared (NDIR) technology for reliable and consistent CO ₂ measurement across a wide range of... [See More]

  • Gas Types: Toxic; Combustible; CO2 (0 -1000ppm up to 0 - 5% volume CO 2); Hydrocarbons
  • Features: Hazardous Environment
  • Sensor Technology: Infrared
  • Operating Temperature: -4 to 140
Smart Gas Sensor - Carbon Monoxide (CO) -- Model SA2-CO
from Safeguard Analytics

Model SA2-CO smart sensor modules are designed to detect and monitor hydrogen sulfide gas in ambient air. The modules consist of an electrochemical gas detection sensor and a micro-processor-based signal conditioning circuit. The signal conditioning circuits includes embedded temperature... [See More]

  • Gas Types: Toxic; Combustible; CO (0-10 ppm to 0-4000 ppm)
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Measurement Type: Trace
ESH-A Combustible Gas / VOC Remote Sensor
from DOD Technologies Inc.

The ESH-A Remote Sensor offers flexible location monitoring of combustible gases or PID TVOCs in non-hazardous, non-explosion rated, commercial and light industrial applications. It communicates with the device it is attached to using a current loop into a 100-ohm load or a voltage signal of 0.40 to... [See More]

  • Gas Types: Combustible
  • Number of Gases Monitored: Multi
  • Sensor Technology: PID; PID
  • Operating Temperature: 32 to 104
Gas Transmitter -- PrimaX® IR
from MSA Safety

Every feature of the PrimaX IR Gas Transmitter is designed with reliability in mind to withstand the most challenging environmental conditions through out the product ’s life. MSA ’s PrimaX IR Gas Transmitter offers LEL (Lower Explosive Limit) combustible gas detection through a patented... [See More]

  • Gas Types: Combustible; Hydrocarbons (0-100% LEL)
  • Number of Gases Monitored: Multi
  • Sensor Technology: Infrared
  • Measurement Type: %LEL or %LFL
Metallic Oxide Semiconductor Type MEMS Gas Sensor
from Electro Optical Components, Inc.

Smallest, high sensitivity and ultra-low power multi-gas sensor with ASIC. Containing pre-installed software and specific algorithms is designed for detecting multi-gas and ambient temperature compensation. Small SMP packaging (3 x 3 x 1mm) with ROIC Self-Temperature compensation Long-term stability... [See More]

  • Gas Types: Toxic; Combustible; CO (1-1000ppm); Hydrocarbons (Methane 1-1000ppm); Methane (CH4) / Natural Gas (1-1000ppm) (Ethanol 1-1000ppm; Toluene 1-1000ppm)
  • Number of Gases Monitored: Multi
  • Sensor Technology: Semiconductor
  • Measurement Type: Trace; Leakage
MGMS Multi-Gas Monitoring System
from Acme Engineering Products

The Acme MGMS is our latest multipoint, multigas detection system designed with modular construction and remote connectivity in mind. A DIN-rail mountable system consisting of a CM (Controller Module), RM (Relay Module), and AM (Analog Module) snap together for ease of installation, expandability,... [See More]

  • Gas Types: Toxic; Combustible; NH3; CO2; CO; Refrigerants; Hydrocarbons; H2; H2S; Methane (CH4) / Natural Gas; NO2; O2
  • Number of Gases Monitored: Multi
  • Sensor Technology: Catalytic (optional feature); Electrochemical (optional feature); Infrared (optional feature)
  • Electrical Outputs: Switch or Relay
Carbon Dioxide (CO2) Combustible Fixed Gas Detector (0-5000ppm)
from CO2Meter.com

The Carbon Dioxide (CO2) Combustible Fixed Gas Detector (PX2-1-2-I464-C-01) is designed for continuous monitoring of CO2 gases between 0-5000ppm and vapors in hazardous areas of zones 1 and 2. This detector is an explosion-proof fixed CO2 gas detector, based with a 4-20 mA / RS485 Modbus output... [See More]

  • Gas Types: Combustible; CO2 (Combustible Fixed Gas Detectors - Carbon Dioxide (CO2) Combustible Fixed Gas Detector (0-5000ppm))
  • Operating Temperature: -30 to 122
  • Number of Gases Monitored: Single
  • Operating Humidity: 15 to 90
Dual-Gas Methane/Carbon Dioxide Infrared sensors
from Dynament

Dynament ’s advanced dual-gas infrared sensors are engineered to measure methane (CH ₄) and carbon dioxide (CO ₂) simultaneously within a single compact sensor unit —while consuming the power of just one standard infrared sensor. This efficient design helps extend battery... [See More]

  • Gas Types: Toxic; Combustible; CO2; Hydrocarbons
  • Operating Humidity: 0 to 95
  • Sensor Technology: Infrared
Infrared Gas Monitor -- IR400
from MSA Safety

The IR400 Infrared (IR) Point Detector is a hydrocarbon gas detector that continuously monitors combustible gases and vapors within the lower explosive limit (LEL) and provides alarm indication. It features an industry-leading response time of ≤ 3 seconds, even with a splash guard installed. [See More]

  • Gas Types: Toxic; Combustible; Hydrocarbons (0 to 100% LEL); Methane (CH4) / Natural Gas (0 to 100% by Volume)
  • Number of Gases Monitored: Single
  • Sensor Technology: Infrared
  • Measurement Type: %LEL or %LFL; %Volume
Toxic Gas Sensor/Transmitter -- GasPost II, RS485 Series
from Acme Engineering Products

The Acme GasPost II toxic gas sensor/transmitter measures CO and NO2 gas concentrations in enclosed areas and transmit its readings to a CEL-series monitor/controller over an addressable RS-485 “Daisy-Chain ” sensor network. The GasPost II has an easy 4-wire field connection: a pair of... [See More]

  • Gas Types: Toxic; Combustible; CO (0-200 PPM); NO2 (0-10 PPM)
  • Number of Gases Monitored: Multi
  • Sensor Technology: Electrochemical
  • Measurement Type: Trace
Carbon Monoxide Combustible Fixed Gas Detector (0-150ppm)
from CO2Meter.com

The Fixed Combustible Carbon Monoxide (CO) Gas Detector (PX2-1-2-E1110-C-01): is designed for continuous monitoring of carbon dioxide gases to prevent leaks in the range of 0 to 150ppm for 24 hours in the confined space or automotive industries. This detector is also compatible with a wide range of... [See More]

  • Gas Types: Combustible; CO (Combustible Fixed Gas Detectors - Carbon Monoxide Combustible Fixed Gas Detector (0-150ppm))
  • Operating Temperature: -30 to 122
  • Number of Gases Monitored: Single
  • Operating Humidity: 15 to 90
FGD10A – Flameproof Fixed Gas Detectors
from Dynament

Dynament ’s FGD10A Flameproof Fixed Gas Detectors are specifically designed for use in potentially explosive atmospheres, where the risk of an incendive spark from electrical equipment could trigger an explosion. In such hazardous environments, commonly found in industries like oil, gas, and... [See More]

  • Gas Types: Toxic; Combustible; CO2; Hydrocarbons; H2; O2
  • Electrical Outputs: Current
  • Sensor Technology: NDIR Infrared, Electrochemical or Pellistor
  • Features: Hazardous Environment
Toxic Gas Sensor/Transmitter -- GasPost, RS485 Series
from Acme Engineering Products

The Acme GasPost toxic gas sensor/transmitter measures the concentration of the target gas in an enclosed area and produces a proportional analog output signal. ​. The 4-20mA transmitter is designed for standard 2-wire loop-powered operation where the output is supplied via the same pair of... [See More]

  • Gas Types: Toxic; Combustible; NH3 (0-100 PPM); CO (0-200 PPM); Cl2 (0-5 PPM); H2 (0-1000 PPM); H2S (0-200 PPM); NO2 (0-10 PPM); O2 (0-25 %); SO2 (0-10 PPM)
  • Number of Gases Monitored: Multi
  • Sensor Technology: Electrochemical
  • Measurement Type: Trace
Hydrogen H2 Combustible Fixed Gas Detector (0-1000ppm)
from CO2Meter.com

The Hydrogen H2 Combustible Fixed Gas Detector is designed for continuous monitoring of hydrogen toxic gases between 0-1000ppm and vapors in hazardous areas of zones 1 and 2. This detector is an explosion-proof fixed H2 gas detector, which measures between 0 - 1000ppm. The detector also is based... [See More]

  • Gas Types: Combustible (Combustible Fixed Gas Detectors - Hydrogen H2 Combustible Fixed Gas Detector (0-1000ppm))
  • Operating Temperature: -30 to 122
  • Number of Gases Monitored: Single
  • Operating Humidity: 15 to 90
FGD10B – Flameproof Fixed Gas Detectors
from Dynament

Dynament ’s Flameproof Fixed Gas Detectors are specifically designed for use in potentially explosive atmospheres where the risk of ignition from electrical equipment sparks is a critical safety concern. These detectors comply with requirements to enclose electrical components within... [See More]

  • Gas Types: Toxic; Combustible; CO2; Hydrocarbons; H2; O2
  • Electrical Outputs: Current
  • Sensor Technology: NDIR Infrared, Electrochemical or Pellistor
  • Features: Hazardous Environment
Wireless Multiset Gas Detection & Control System -- CEW-LS Series
from Acme Engineering Products

The ACME Wireless MultiSet series is a microprocessor-based multipoint multigas wireless detection and control system that can be used with the wireless CO and NO2 GasPost sensors. The communication between the Control Panel and the remote GasPost sensor/transmitters is accomplished through a 900... [See More]

  • Gas Types: Toxic; Combustible; CO2; CO; Refrigerants; Hydrocarbons; H2; H2S; NO2; O2
  • Number of Gases Monitored: Multi
  • Sensor Technology: Catalytic (optional feature); Electrochemical (optional feature); Infrared (optional feature)
  • Measurement Type: Trace
Hydrogen Sulfide (H2S) Combustible Fixed Gas Detector (0-100ppm)
from CO2Meter.com

The Hydrogen Sulfide (H2S) Combustible Fixed Gas Detector (PX2-1-2-E1197-B-01) is designed for continuous monitoring of H2S gases between 0-100ppm and vapors in hazardous areas of zones 1 and 2. This detector is an explosion-proof fixed H2S gas detector, based with a 4-20 mA / RS485 Modbus output... [See More]

  • Gas Types: Combustible (Combustible Fixed Gas Detectors - Hydrogen Sulfide (H2S) Combustible Fixed Gas Detector (0-100ppm))
  • Operating Temperature: -30 to 122
  • Number of Gases Monitored: Single
  • Operating Humidity: 15 to 90
FGD3 – Intrinsically Safe Fixed Gas Detectors
from Dynament

Dynament ’s intrinsically safe fixed gas detectors are specifically engineered for use in hazardous environments where there is a potential risk of explosion due to flammable gases or vapours. These environments may result from industrial processes in sectors such as water treatment,... [See More]

  • Gas Types: Toxic; Combustible; Hydrocarbons; O2
  • Features: Hazardous Environment; Intrinsically Safe
Wireless Toxic Gas Sensor/Transmitter -- Wireless GasPost, ACME-WS Series
from Acme Engineering Products

The Acme WS GasPost Series toxic or combustible gas sensor/transmitter measures the concentration of the target gas in an enclosed area and transmits this value to the control panel via a 900MHz or 2.4 GHz wireless medium. The WS Wireless GasPost Sensor / Transmitter includes a high gain antenna... [See More]

  • Gas Types: Toxic; Combustible; NH3 (0-100 PPM); CO (0-200 PPM); Hydrocarbons (0-40% LEL); H2 (0-1000 PPM); H2S (0-200 PPM); NO2 (0-10 PPM); O2 (0-25%)
  • Number of Gases Monitored: Multi
  • Sensor Technology: Catalytic (optional feature); Electrochemical (optional feature)
  • Measurement Type: %LEL or %LFL; Trace
Methane (CH4) Combustible Fixed Gas Detector (0-100% LEL)
from CO2Meter.com

The Methane (CH4) Combustible Fixed Gas Detector (PX2-1-2-P3400-A-01) is designed for continuous monitoring of CH4 gases between 0-100% LEL and vapors in hazardous areas of zones 1 and 2. This detector is an explosion-proof fixed CH4 gas detector, based with a 4-20 mA / RS485 Modbus output signal,... [See More]

  • Gas Types: Combustible; Methane (CH4) / Natural Gas (Combustible Fixed Gas Detectors - Methane (CH4) Combustible Fixed Gas Detector (0-100% LEL))
  • Operating Temperature: -30 to 122
  • Number of Gases Monitored: Single
  • Operating Humidity: 15 to 90
FGD5/6-IR – Pellistor Replacement Gas Detectors
from Dynament

Dynament ’s FGD5/6 Flameproof Fixed Gas Detectors are engineered to replace traditional pellistor sensors in hazardous industrial environments, offering reliable explosion-proof gas monitoring. These detectors feature robust flameproof enclosures —also known as FLP, Ex d, or... [See More]

  • Gas Types: Toxic; Combustible; Hydrocarbons
  • Features: Hazardous Environment
Nitrogen Dioxide NO2 Combustible Fixed Gas Detector (0-100ppm)
from CO2Meter.com

The Nitrogen Dioxide NO2 Combustible Fixed Gas Detector (PX2-1-2-E1130-E-01) is designed for continuous monitoring of nitrogen dioxide gases to prevent leaks in the range of 0 to 100ppm for 24 hours in confined spaces or industrial manufacturing industries. This detector is also compatible with a... [See More]

  • Gas Types: Combustible; NO2 (Combustible Fixed Gas Detectors - Nitrogen Dioxide NO2 Combustible Fixed Gas Detector (0-100ppm))
  • Operating Temperature: -30 to 122
  • Number of Gases Monitored: Single
  • Operating Humidity: 15 to 90
Gas Sensor Housing (GSH4) for Flameproof Fixed Gas Detectors
from Dynament

Dynament ’s flameproof gas sensor heads are designed to accommodate a wide selection of sensing technologies,including infrared (NDIR), catalytic (pellistor), and electrochemical sensors, allowing for the detection of a broad spectrum of gases depending on the installed sensor. These sensor... [See More]

  • Gas Types: Toxic; Combustible; CO2; Hydrocarbons
  • Features: Hazardous Environment
  • Sensor Technology: Premier infrared
  • Operating Temperature: -4 to 140
Oxygen Combustible Fixed Gas Detector (0-25%)
from CO2Meter.com

The Oxygen Combustible Fixed Gas Detector (PX2-1-2-E1195-A5-01) is designed for continuous monitoring of toxic gases to prevent leaks in the range of 0 to 25% for 24 hours in confined spaces or industrial applications. This detector is also compatible with a wide range of controlled BMS systems and... [See More]

  • Gas Types: Combustible; O2 (Combustible Fixed Gas Detectors - Oxygen Combustible Fixed Gas Detector (0-25%))
  • Operating Temperature: -30 to 122
  • Number of Gases Monitored: Single
  • Operating Humidity: 15 to 90
Hydrocarbon Infrared Gas Sensors – Platinum Series
from Dynament

Dynament offers a comprehensive range of hydrocarbon infrared sensors designed to measure methane gas from 0 to 100% volume and propane gas from 0 to 2% volume. These sensors utilize advanced non-dispersive infrared (NDIR) technology to accurately detect hydrocarbon gases, including methane and... [See More]

  • Gas Types: Toxic; Combustible; CO2; Hydrocarbons
  • Operating Temperature: -40 to 167
  • Sensor Technology: Infrared
  • Operating Humidity: 0 to 95
Propane (C3H8) Combustible Fixed Gas Detector (0-100% LEL)
from CO2Meter.com

The Propane (C3H8) Combustible Fixed Gas Detector (PX2-1-2-P3480-A-01) is designed for continuous monitoring of C3H8 gases between 0-100% LEL and vapors in hazardous areas of zones 1 and 2. This detector is an explosion-proof fixed C3H8 gas detector, based with a 4-20 mA / RS485 Modbus output... [See More]

  • Gas Types: Combustible (Combustible Fixed Gas Detectors - Propane (C3H8) Combustible Fixed Gas Detector (0-100% LEL))
  • Operating Temperature: -30 to 122
  • Number of Gases Monitored: Single
  • Operating Humidity: 15 to 90
Low Power Dual-Gas Methane/Carbon Dioxide Infrared sensors
from Dynament

Dynament ’s Low Power Dual-Gas Sensors provide an innovative solution for the simultaneous measurement of methane (CH ₄) and carbon dioxide (CO ₂) within a single compact infrared sensor package. These sensors are designed for efficiency, operating with the power consumption of... [See More]

  • Gas Types: Toxic; Combustible; CO2; Hydrocarbons
  • Operating Humidity: 0 to 95
  • Sensor Technology: Infrared
Non-Certified Gas Sensor Housing (NGSH4)
from Dynament

Dynament ’s non-certified gas sensor heads are designed to accommodate a variety of sensing technologies, including infrared (NDIR), catalytic (pellistor), and electrochemical sensors, enabling detection of a broad range of gases depending on the sensor installed. These versatile housings are... [See More]

  • Gas Types: Toxic; Combustible; CO2; Hydrocarbons; NO
  • Operating Humidity: 0 to 95
  • Sensor Technology: Premier infrared
Refrigerant Infrared Gas Detector – Axiom Series
from Dynament

Dynament gas detectors use patented nondispersive infrared (NDIR) technology to accurately detect and measure refrigerant gases. With the industry ’s growing demand for refrigerants that offer lower global warming potential (GWP), Dynament provides a reliable solution backed by more than... [See More]

  • Gas Types: Toxic; Combustible; Hydrocarbons
  • Operating Temperature: -40 to 167
  • Sensor Technology: Infrared
  • Operating Humidity: 0 to 100
Sensor/Smart Single Point -- 295
from Analytical Systems Int’l. Keco

The regulated d.c. power supply provides a constant standing voltage. The gas diffuses through a porous filter and contacts the surface of the sensor element. A change in resistance occurs that is proportional to the concentration at gas applied. This signal is then amplified and sent to the... [See More]

  • Gas Types: Toxic; Combustible; CO2; CO; Cl2; H2S; O2; SO2
  • Number of Gases Monitored: Multi
  • Sensor Technology: Catalytic; Electrochemical
  • Measurement Type: %LEL or %LFL
Precision Gas Detector Tube -- 133A
from Sensidyne, LP

Detector tubes provide fast, economical monitoring for a wide variety of target gases and vapors. Their direct reading capability provides on-the-spot results eliminating laboratory turnaround time. The tubes are typically calibrated in one of three commonly used units of concentration. [See More]

  • Gas Types: Toxic; Combustible (Acetaldehyde)
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical; Gas Chromatography
  • Measurement Type: Trace
CC Sensor -- 201G
from Delphian Corporation

Delphian makes two types of sensors for combustible hydrocarbon detection: the model 201G, catalytic combustion type sensor, and the model 201B thermal conductivity type sensor. All sensors are temsted for span in methane and offset in air only to make sure they meet controlled performance standards... [See More]

  • Gas Types: Combustible; Hydrocarbons (0-5%)
  • Number of Gases Monitored: Single
  • Sensor Technology: Catalytic Combustion
  • Measurement Type: %Volume
Sensor Transmitter -- GDS-49
from Global Detection Systems Corp.

The GDS-49 is a two-wire loop-powered 4-20mA sensor transmitter designed to detect a wide range of toxic gases at ppm levels. The current loop output is compatible with the C1 Protector, C2 Protector, C2 Quad Protector or C64 Protector Controllers, the GASMAX II or GASMAX CX gas monitors or any... [See More]

  • Gas Types: Toxic; Combustible; NH3 (0-100 ppm); AsH3 (0-1 ppm); CO (0-300/1000 ppm); Cl2 (0-5/50 ppm); ClO2 (0-1 ppm); F (0-1 ppm); H2 (0-2000 ppm); HCl (0-30 ppm); HCN (0-50 ppm); HF (0-10 ppm); H2S (0-50/100 ppm); NO (0-100/500 ppm); NO2 (0-5/50 ppm); O2 (0-25%); O3 (0-1 ppm); SiH4 (0-50 ppm); SO2 (0-20/100 ppm) (COCI2 0-1ppm N2H4 0-1ppm TBM 0-14ppm)
  • Number of Gases Monitored: Multi
  • Sensor Technology: Electrochemical
  • Measurement Type: %LEL or %LFL (optional feature); Trace (optional feature)
CN Series Remote Transmitter Series -- CN03
from Conspec Controls Inc.

CONSPEC's CN Series is an economical choice for toxic, combustible, and Oxygen gas monitoring. The CN Series is a simple and "smart" gas detector. An industry standard 4-20mA Analog output signal can be connected to any existing PLC, DCS, or EMS system. A simplified calibration procedure allows for... [See More]

  • Gas Types: Toxic; Combustible; CO
  • Number of Gases Monitored: Single
  • Sensor Technology: Catalytic; Electrochemical; Infrared; PID; Thermal Conductivity
  • Measurement Type: Trace
700B Series In-Line Process Hydrogen Monitor -- HY-OPTIMA™ 730B
from H2scan, Corp.

H2scan's HY-OPTIMA ™ 700B series in-line, real time hydrogen-specific process analyzers are designed for ease of use, interface flexibility and true process control. The HY-OPTIMA ™ 700B series is a solid-state sensor that is configured to operate in process gas streams with temperatures... [See More]

  • Gas Types: Combustible; H2 (0.5% to 100%)
  • Number of Gases Monitored: Single
  • Sensor Technology: Semiconductor; Solid State Sensor
  • Measurement Type: %Volume
Combustible Gas Detector / Controller / Transducer -- GD-3000
from Eagle Eye Power Solutions, LLC

The Eagle Eye GD-3000 combustible gas detector is a versatile, easy-to-use device that allows you to select between methane (NG), propane (LP), or hydrogen (H2) gas detection. The GD-3000 provides low-level detection of combustible gas in an easy-to-maintain monitor that is factory calibrated for... [See More]

  • Gas Types: Combustible; H2; Methane (CH4) / Natural Gas (Propane)
  • Measurement Type: %LEL or %LFL
  • Number of Gases Monitored: Multi
  • Electrical Outputs: Switch or Relay
Premium Single Gas Instrument -- G-TECTA SG
from Linde North America, Inc.

G-TECTA ™ SG is a fully functional premium single gas instrument, water and dust resistant, with one button operation and a choice of 28 sensors to suit almost every application. The lightweight and robust design combined with full download and data logging capability offers the ideal single... [See More]

  • Gas Types: Toxic; Combustible; NH3; CO2; CO; Cl2; ClO2; Hydrocarbons; H2; HCN; HF; H2S; Methane (CH4) / Natural Gas; NO; NO2; O3; PH3; SO2
  • Measurement Type: %LEL or %LFL
  • Number of Gases Monitored: Single
  • Operating Temperature: -4 to 149
Catalytic Combustible Gas (CGS) Detector -- CGS
from Det-Tronics

Shown with the FlexVu UD10 Universal Display/Controller, the catalytic combustible gas sensor (CGS) is a globally-approved, stainless steel sensor that is poison-resistant. It provides unmatched detection of almost all combustible gases in harsh industrial environments, and is compatible with the... [See More]

  • Gas Types: Combustible; Hydrocarbons (0-100% LFL Standard); H2
  • Number of Gases Monitored: Multi
  • Sensor Technology: Catalytic
  • Measurement Type: %LEL or %LFL
ELDS Open Path Gas Detector -- 1000 Series XC Coal Bed Methane Detector
from Senscient Inc.

Reliable, rapid detectionof methane concentrations in pre-combustion ventilation systems at 0.5 to 5.0 meters. 100% continuous measurement of normal gas levels present in the combustion stream and rapid, accurate detection of breakthrough gas levels for optimum safety in combustion operations. Fully... [See More]

  • Gas Types: Combustible; Methane (CH4) / Natural Gas (0 to 100% LEL)
  • Number of Gases Monitored: Single
  • Sensor Technology: Infrared; Enhanced Laser Diode Spectroscopy
  • Measurement Type: %LEL or %LFL; Trace; Leakage; Signature
Combustible Gas Addressable Sensor -- ULTRA 1000
from Pem-Tech, Inc.

Ultra 1000 series is a microprocessor based addressable sensor for detection of combustible gases. The self- contained sensor features user friendly interface and menu driven calibration procedure and configuration. The complete sensor consists of a stainless steel sensor head assembly, a user... [See More]

  • Gas Types: Combustible; Hydrocarbons (0-100% LEL)
  • Number of Gases Monitored: Single
  • Sensor Technology: Catalytic
  • Measurement Type: %LEL or %LFL
SB Series - Carbon Dioxide Indoor Air Quality Sensor -- SB-AQ6A-00
from FIS Inc.

SB Series - Carbon Dioxide Indoor Air Quality Sensor [See More]

  • Gas Types: Combustible; CO2
  • Number of Gases Monitored: Multi
Miniature NDIR Methane Sensor/Infrared -- SJH Series
from Cubic Sensor and Instrument Co.,Ltd.

Miniature NDIR methane gas sensor adopts advanced non-dispersive technology to detect and monitor CH4 concentration. It is with a heated infrared source inside a small chamber, in this case, the inside temperature of the gas sensor is much higher than the outside which can avoid condensing events... [See More]

  • Gas Types: Toxic; Combustible; Hydrocarbons (0-5%vol (0-100%LEL), 0-100%vol)
  • Number of Gases Monitored: Single
  • Sensor Technology: Infrared
  • Measurement Type: %Volume
Lonestar Portable Gas Analyzer
from Owlstone Inc.

Lonestar is a portable gas analyzer that can detect a broad range of analytes at part per billion concentrations, with high selectivity in just a few seconds. [See More]

  • Gas Types: Toxic; Combustible; Hydrocarbons; Methane (CH4) / Natural Gas (User Defined)
  • Number of Gases Monitored: Multi
  • Sensor Technology: PID
  • Measurement Type: %Volume; Trace; Signature
Explosion Proof Oxygen Transmitter -- OxyTrans-EX
from Edgetech Instruments Inc.

4-20 mA Loop Powered Two Wire Oxygen Transmitter. The Edgetech Instruments Model OxyTrans is an easy to use, accurate and economical way to measure Oxygen at trace and % levels. A simple display and one point calibration allows for a quick start of the instrument. Measuring Range. The unit will... [See More]

  • Gas Types: Combustible; O2 (0-10000 ppm or 0-25%)
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical; Micro-Fuel Cell
  • Measurement Type: Trace
All-In-One Gas Monitoring Solution -- Sensepoint XCD
from Honeywell Analytics, Inc.

The Sensepoint XCD transmitter provides comprehensive monitoring of combustible, toxic and Oxygen gas hazards in potentially explosive atmospheres, indoors and outdoors —and is marked by installation ease and flexibility, user-friendly operation and cost-effective gas monitoring. Sensepoint... [See More]

  • Gas Types: Toxic; Combustible; NH3 (0-50PPM); CO (0-200 PPM / 0-500 PPM); Cl2 (0-5 PPM / 0-15 PPM); Hydrocarbons (0-100% LEL); H2 (0-1000 PPM); H2S (0-50 PPM / 0-100 PPM / 0-20 PPM); NO2 (0-10 PPM); O2 (0-25% VOL); SO2 (0-15 PPM / 0-50 PPM)
  • Number of Gases Monitored: Single
  • Sensor Technology: Catalytic; Electrochemical
  • Measurement Type: %LEL or %LFL; %Volume; Trace
Process Gas Analyzer -- CT5400
from Emerson Automation Solutions – Rosemount

This multi-component QCL represents the next generation of gas analyzers and sensors, with the ability to measure up to 20 gases and an interchangeable modular configuration for up to 9 lasers. An embedded ARM processor gives fully autonomous intelligent operation. Key Features/Benefits: Measure up... [See More]

  • Gas Types: Combustible; NH3 (0-4000 ppm); CO2 (0-30%); CO (0-20000 ppm); Hydrocarbons (0-200 ppm); HCl (0-2000 ppm); HF (0-50 ppm); H2S (0-50000 ppm); Methane (CH4) / Natural Gas (0-20000 ppm); NO (0-10000 ppm); NO2 (0-2000 ppm); NxOx (0-10000 ppm); O2 (0-100%); SO2 (0-4000 ppm); Water Vapor (0-40%) (Formaldehyde 0-100ppm, Hydrogen Peroxide 0-800ppm, Methanol 0-120 ppm, Nitromethane 0-120ppm)
  • Number of Gases Monitored: Multi
  • Sensor Technology: Infrared
  • Measurement Type: %Volume; Trace
Laser Diode Gas Detector CH4 -- 13A
from Axetris AG

The LGD F200 instrument series is based on a contact-less, near-infrared absorption measurement of the target gas. The systems are self-contained, ready-to-use OEM modules, using a flow-through cell set-up forextractive measurements. [See More]

  • Gas Types: Toxic; Combustible; Methane (CH4) / Natural Gas ((0 to 1000 ppm))
  • Number of Gases Monitored: Single
  • Sensor Technology: Tunable Diode Laser Spectrometer
  • Measurement Type: Trace; Leakage
Refillable SensAlert Chlorine 10.0 ppm -- 021201-D-1
from Sensidyne, LP

Minimum Indicated Concentration .............. 0.4 ppm. Repeatability .............................................. ± 10% of reading. Accuracy * ................................................. ± 10% of reading. Zero Drift ................................................... < 5%... [See More]

  • Gas Types: Toxic; Combustible; Cl2 (0-10ppm)
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Measurement Type: Trace
Combustible Gas CommonSensor -- 365-550-01
from Delphian Corporation

The CommonSensor allows the user control over the cost of sensor use. By having the ability to replace sensor elements and flame arrestors, instead of the whole sensor, the user can keep the system operational with less expenditure for spares and labor. [See More]

  • Gas Types: Combustible; Hydrocarbons; H2
  • Number of Gases Monitored: Multi
  • Sensor Technology: Catalytic
  • Measurement Type: %LEL or %LFL
CX Series Remote Transmitter Series -- CX03
from Conspec Controls Inc.

CONSPEC's CX Series is an economical choice for toxic, combustible, and Oxygen gas monitoring. The CX Series is a simple and "smart" gas detector designed for use in hazardous or classified locations. An industry standard 4-20mA Analog output signal can be connected to any existing PLC, DCS, or EMS... [See More]

  • Gas Types: Toxic; Combustible; CO
  • Number of Gases Monitored: Single
  • Sensor Technology: Catalytic; Electrochemical; Infrared; PID; Thermal Conductivity
  • Measurement Type: Trace
Area Hydrogen Monitor -- HY-ALERTA™ 1600
from H2scan, Corp.

H2scan's HY-ALERTA ™ 1600 Intrinsically Safe Area Hydrogen Monitor provides hydrogen-specific leak detection and measurement for hydrogen concentrations as low as 4000 ppm and can be scaled to any concentration up to 5% hydrogen by volume, a range representing 10% to 125% of hydrogen's low... [See More]

  • Gas Types: Combustible; H2 (0.4% to 5.0%)
  • Number of Gases Monitored: Single
  • Sensor Technology: Hydrogen-Specific Sensor Technology
  • Measurement Type: %Volume; Leakage
Hydrogen Gas / Smoke Detector with Intrusion Alarm -- HGD-3000
from Eagle Eye Power Solutions, LLC

The Eagle Eye HGD-3000 Hydrogen Gas and Smoke Detector with (optional) Silent Intrusion Alarm is designed for unattended battery installations or remote shelters containing gassing lead acid batteries and charging systems - most commonly found in the telecommunications and utility sectors. Other... [See More]

  • Gas Types: Combustible; H2
  • Electrical Outputs: Switch or Relay
  • Number of Gases Monitored: Single
  • Operating Temperature: 14 to 104
Robust 4 Gas Instrument -- G-TECTA 4GP
from Linde North America, Inc.

G-TECTA ™ 4GP is an extremely robust 4 gas instrument with built in pump and charger. The single button operation and full data management allows the users to effectively manage their gas detection requirements with confidence. G-TECTA 4GP has infrared communication, full functional capability... [See More]

  • Gas Types: Toxic; Combustible; NH3; CO; Cl2; H2; HCN; HF; H2S; Methane (CH4) / Natural Gas; NO; NO2; O2; O3; PH3; SO2
  • Measurement Type: %LEL or %LFL
  • Number of Gases Monitored: Multi
  • Operating Temperature: -4 to 131
Duct-mount (PIRDUCT) IR Gas Detector
from Det-Tronics

The PIRDuct "DuctWatch" combustible IR gas detector is specially designed to deliver reliable gas detection in enclosed airhandling ductwork applications. Safety engineers have long been aware that duct air monitoring provides the ability to maximize protection of confined spaces in challenging... [See More]

  • Gas Types: Combustible; Hydrocarbons (0-15% LFL)
  • Number of Gases Monitored: Single
  • Sensor Technology: Infrared
  • Measurement Type: %Volume
Combustible Gas Sensor -- PT205-L
from Pem-Tech, Inc.

Model PT205 sensor is designed to detect combustible hydrocarbons vapors in air and provides an analog output signal. PT205 uses catalytic beads sensor to detect combustible vapors in % LEL. The complete sensor consists of a stainless steel sensor head assembly, a user connection board and a... [See More]

  • Gas Types: Combustible; Hydrocarbons (0-100% LEL)
  • Number of Gases Monitored: Single
  • Sensor Technology: Catalytic
  • Measurement Type: %LEL or %LFL
Miniature NDIR Propane Sensor/Infrared -- SBH Series
from Cubic Sensor and Instrument Co.,Ltd.

Miniature NDIR C3H8 sensor adopts NDIR technology to detect C3H8 concentration in serve industrial applications, which can be integrated in safety and alarming devices, for environmental monitoring, gas drainage monitoring, chemical, petroleum, metallurgy, oil depots, liquefied gas stations, paint... [See More]

  • Gas Types: Combustible; Hydrocarbons (0-2.1% vol (0-100%LEL))
  • Number of Gases Monitored: Single
  • Sensor Technology: Infrared
  • Measurement Type: %Volume
NEXSENSE C Portable Chemical Detection System
from Owlstone Inc.

NEXSENSE C is a man portable chemical detection and identification system that enables rapid and robust on-scene analysis of chemical agents from airborne samples. Utilising Owlstone's cutting edge Field Asymmetric Ion Mobility Spectrometry (FAIMS) technology combined with intelligent data... [See More]

  • Gas Types: Toxic; Combustible; Hydrocarbons; Methane (CH4) / Natural Gas (User Defined)
  • Number of Gases Monitored: Multi
  • Sensor Technology: PID
  • Measurement Type: Trace
Oxygen Transmitter -- OxyTrans
from Edgetech Instruments Inc.

4-20 mA Loop Powered Two Wire Oxygen Transmitter. The Edgetech Instruments Model OxyTrans is an easy to use, accurate and economical way to measure Oxygen at trace and % levels. A simple display and one point calibration allows for a quick start of the instrument. Measuring Range. The unit will... [See More]

  • Gas Types: Combustible; O2 (0-10000 ppm or 0-25%)
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical; Special Fuel Cell
  • Measurement Type: %Volume; Trace
Apex Gas Transmitter and Sensor
from Honeywell Analytics, Inc.

Highest performance fixed flammable and toxic gas detector with a choice of communication outputs, accessories and installation flexibility. Apex takes the best elements of gas detection design and combining them into one unit. Apex provides the highest performance, installation flexibility, a wide... [See More]

  • Gas Types: Toxic; Combustible; NH3 (0-50 PPM / 0-1000 PPM); AsH3 (0-0.2 PPM); Br2 (0-0.4 PPM); CO (0-100 PPM / 0-500 PPM); Cl2 (0-2 PPM / 0-15 PPM); ClO2 (0-0.4 PPM); B2H6 (0-0.4 PPM); F (0-4 PPM); GeH4 (0-0.8 PPM); Hydrocarbons (0-100% LEL); H2 (0-1000 PPM); HCl (0-20 PPM); HCN (0-20 PPM); HF (0-12 PPM); H2S (0-15 PPM / 0-100 PPM); NO (0-100 PPM); NO2 (0-12 PPM); O2 (0-21 % v/v); O3 (0-4 PPM); PH3 (0-1.2 PPM); SiH4 (0-20 PPM); SO2 (0-8 PPM / 0-50 PPM) (Many other toxic gases- see datasheet)
  • Number of Gases Monitored: Multi
  • Sensor Technology: Catalytic; Electrochemical
  • Measurement Type: %LEL or %LFL; %Volume; Trace
Ruggedized OEM Gas Analyzer -- CT4000
from Emerson Automation Solutions – Rosemount

This hybrid system is the most cost effective solution to meet the measurement needs in marine applications. Key Features/Benefits: Measure up to 10 gases simultaneously. Ambient environments of up to 70 °C (158 °F) and gas temperatures of 190 °C (374 °F). Single and dual path... [See More]

  • Gas Types: Combustible; NH3 (0-4000 ppm); CO2 (0-30%); CO (0-20000 ppm); Hydrocarbons (0-200 ppm); Methane (CH4) / Natural Gas (0-20000 ppm); NO (0-10000 ppm); NO2 (0-2000 ppm); NxOx (0-10000 ppm); SO2 (0-4000 ppm); Water Vapor (0-40%) (Formaldehyde 0-100ppm, Hydrogen Peroxide 0-800ppm, Methanol 0-120 ppm, Nitromethane 0-120ppm)
  • Number of Gases Monitored: Multi
  • Sensor Technology: Infrared
  • Measurement Type: %Volume; Trace
Laser Diode Gas Detector CH4 -- 44H
from Axetris AG

The LGD F200 instrument series is based on a contact-less, near-infrared absorption measurement of the target gas. The systems are self-contained, ready-to-use OEMmodules, using a flow-through cell set-up for extractive measurements. The slightly bigger LGD F200 (H) version features optional cell... [See More]

  • Gas Types: Toxic; Combustible; Methane (CH4) / Natural Gas ((0 to 40,000 ppm))
  • Number of Gases Monitored: Single
  • Sensor Technology: Tunable Diode Laser Spectrometer
  • Measurement Type: Trace; Leakage
Refillable SensAlert HF Sensor 10ppm -- 071201-D-1
from Sensidyne, LP

Minimum Indicated Concentration .............. 0.4 ppm. Repeatability .............................................. ± 10% of reading. Accuracy * ................................................. ± 10% of reading. Zero Drift ................................................... < 5%... [See More]

  • Gas Types: Combustible; HF (0-10ppm)
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Measurement Type: Trace
Hydrogen Sulfide Disposable Sensor -- 361-410-01
from Delphian Corporation

Hydrogen Sulfide, solid state aluminum [See More]

  • Gas Types: Combustible; H2S
  • Number of Gases Monitored: Single
  • Sensor Technology: Semiconductor
Eight Channel Gas Controller -- P2260
from Conspec Controls Inc.

CONSPEC Controls Multi-Channel Controller is a microprocessor-based multi-analog input controller. The P2259/60 was designed to be an independent stand-alone controller but can integrate into any type of data acquisition system. The Controller can provide up to eight channels of remote monitoring... [See More]

  • Gas Types: Combustible; Aerosols; NH3; AsH3; Br2; CO2; CO; Cl2; ClO2; B2H6; F; GeH4; Refrigerants; Hydrocarbons; H2; HCl; HCN; HF; H2Se; H2S; NO; NO2; O2; O3; PH3; SiH4; SO2; SF6
  • Number of Gases Monitored: Multi
  • Sensor Technology: Catalytic; Electrochemical; Infrared; PID; Thermal Conductivity
  • Measurement Type: %LEL or %LFL; %Volume; Trace
Explosion Proof Area Hydrogen Monitor -- HY-ALERTA™ 2620
from H2scan, Corp.

H2scan's 2620 Explosion Proof Area Hydrogen Monitor provides hydrogen-specific leak detection and measurement for hydrogen concentrations as low as 4000 ppm and can be scaled to any concentration up to 5% hydrogen by volume, a range representing 10% to 125% of hydrogen's low flammability limit. The... [See More]

  • Gas Types: Combustible; H2 (0.4% to 5.0%)
  • Number of Gases Monitored: Single
  • Sensor Technology: Hydrogen-Specific Sensor Technology
  • Measurement Type: %Volume; Leakage
Hydrogen Gas Detector -- HGD-2000
from Eagle Eye Power Solutions, LLC

The Eagle Eye HGD-2000 Hydrogen Gas Detector allows the user to monitor hydrogen gas buildup in storage room and facilities that house batteries - including forklifts, golf carts, backup power supplies, and battery charging stations. Lead-acid batteries on charge emit hydrogen gas after reaching the... [See More]

  • Gas Types: Combustible; H2; Hg; Methane (CH4) / Natural Gas; O2
  • Measurement Type: %LEL or %LFL
  • Number of Gases Monitored: Single; Multi
  • Electrical Outputs: Switch or Relay
Rugged 4 Gas Instrument -- G-TECTA 4G
from Linde North America, Inc.

The G-TECTA ™ 4G is a rugged, compact and easy to use 4-gas instrument with full data management and operator functionality. With 14 sensor options, one button operation and a robust water and dust resistant ergonomic casing, G-TECTA 4G is the ideal confined space entry monitor. The instrument... [See More]

  • Gas Types: Toxic; Combustible; NH3; CO2; CO; Hydrocarbons; H2; H2S; Methane (CH4) / Natural Gas; O3; SO2
  • Measurement Type: %LEL or %LFL
  • Number of Gases Monitored: Multi
  • Operating Temperature: -4 to 131
Open Path Eclipse (OPECL) IR Gas Detector
from Det-Tronics

Det-Tronics offers a line-of-sight gas detector for measurement of hydrocarbon vapors in the lower explosive limit per distance (LFL-meter) detection range. Ideally suited for open path gas detection applications in oil, gas, and petrochemical facilities, the Open Path Eclipse provides a number of... [See More]

  • Gas Types: Combustible; Hydrocarbons (0-5 % LFL-Meters); Methane (CH4) / Natural Gas (Meth / But / Propane)
  • Number of Gases Monitored: Multi
  • Sensor Technology: Infrared
  • Measurement Type: %LEL or %LFL
Combustible Gas Sensor -- PT295-L
from Pem-Tech, Inc.

Model PT295-LEL is a microprocessor-based sensor designed to combustible hydrocarbons in % volume level. The unit features easy one-man calibration initiated by simply activating a magnetic switch and applying the gas. The complete sensor consists of a stainless steel sensor head assembly, a user... [See More]

  • Gas Types: Combustible; Hydrocarbons (0-100% LEL)
  • Number of Gases Monitored: Single
  • Sensor Technology: Catalytic
  • Measurement Type: %LEL or %LFL
PID+ Gas Sensor
from Owlstone Inc.

PID+ is a minaturised chemical sensor that builds upon and extends the capability of Photo Ionization Detectors (PID) commonly used in industrial, military and homeland security applications. [See More]

  • Gas Types: Toxic; Combustible; Hydrocarbons; Methane (CH4) / Natural Gas (User Defined)
  • Number of Gases Monitored: Multi
  • Sensor Technology: PID
  • Measurement Type: %Volume; Trace
Flammable Gas Sensors -- 705 HT Series
from Honeywell Analytics, Inc.

UL certified, explosion-proof flammable gas detectors with high temperature version certified to 150 °C. The Model 705 high temperature sensor has been specifically designed for the detection of combustible gases in high temperature hazardous area locations. Typical applications include turbine... [See More]

  • Gas Types: Combustible; Hydrocarbons (0-100% LEL / 0-20% LEL); H2 (0-100% LEL) (Flammable gases)
  • Number of Gases Monitored: Single
  • Sensor Technology: Catalytic
  • Measurement Type: %LEL or %LFL
SensAlert Acetylene IR Sensor -- 491255-D-1
from Sensidyne, LP

Minimum Indicated Concentration .............. 4 %LEL. Repeatability .............................................. ± 2% of reading. Accuracy * ................................................. ± 2% of full scale. Zero Drift ................................................... 5% change... [See More]

  • Gas Types: Combustible; Hydrocarbons (0-100%LEL)
  • Number of Gases Monitored: Multi
  • Sensor Technology: Infrared
  • Measurement Type: %LEL or %LFL
Single Channel Gas Controller -- P2065
from Conspec Controls Inc.

CONSPEC's Single Channel Controllers are single point monitoring and control processors, which are housed in a NEMA 4-4X weatherproof non-metallic enclosure and are designed to monitor and display any voltage or current input signal from any instrument, including CONSPEC's EZ-CAL Toxic and... [See More]

  • Gas Types: Toxic; Combustible; Aerosols; NH3 (0-50, 100, 200, 500ppm); AsH3; Br2 (0-10ppm); CO2 (0-2000ppm, 10000ppm 0-2%, 0-5%, 0-100%); CO (0-50, 100, 200, 500, 1000, 10000, 50000); Cl2 (0-10, 20ppm); ClO2 (0-5 ppm); B2H6; F; GeH4; Refrigerants; Hydrocarbons (0-100% LEL or 0-100% Vol.); H2 (0-2000, 10,000ppm 0-4%); HCl (0-25, 100, 150ppm); HCN; HF; H2Se; H2S (0-25, 50, 100, 200ppm); NO (0-50, 100ppm); NO2 (0-20ppm); O2 (0-25, 100%); O3 (0-2, 5ppm); PH3; SiH4; SO2 (0-10, 100, 1000, 2000ppm); SF6
  • Number of Gases Monitored: Single
  • Sensor Technology: Catalytic; Electrochemical; Infrared; PID; Thermal Conductivity
  • Measurement Type: %LEL or %LFL; %Volume; Trace
Fixed Area Hydrogen Monitors -- HY-ALERTA™ 600B/610B
from H2scan, Corp.

H2scan's HY-ALERTA ™ 600B/610B Fixed Area Hydrogen Monitors will provide hydrogen-specific leak detection and measurement for hydrogen concentrations as low as 4000 ppm and can be scaled to any concentration up to 5% hydrogen by volume, a range representing 10% to 125% of hydrogen's low... [See More]

  • Gas Types: Combustible; H2 (0.4% to 5.0%)
  • Number of Gases Monitored: Single
  • Sensor Technology: Hydrogen-Specific Sensor Technology
  • Measurement Type: %Volume; Leakage
Combustible GasSensor -- PT395-L
from Pem-Tech, Inc.

Model PT395-LEL is a microprocessor-based sensor designed to combustible hydrocarbons in % volume level. The unit features easy one-man calibration initiated by simply activating a magnetic switch and applying the gas. The complete sensor consists of a stainless steel sensor head assembly, a user... [See More]

  • Gas Types: Combustible; Hydrocarbons (0-100% LEL)
  • Number of Gases Monitored: Single
  • Sensor Technology: Catalytic
  • Measurement Type: %LEL or %LFL
ultraFAIMS Mass spectrometry
from Owlstone Inc.

FAIMS is a high speed, gas phase ion separation technique. When interfaced to a Mass Spectrometer, the FAIMS chip provides an additional separation stage, making it suitable for a applications ranging from drug development to proteomics. The FAIMS ion filter is orthogonal to both LC and MS, so has... [See More]

  • Gas Types: Toxic; Combustible; Hydrocarbons; Methane (CH4) / Natural Gas (User Defined)
  • Number of Gases Monitored: Multi
  • Sensor Technology: PID
  • Measurement Type: %Volume; Trace; Signature
Gas Monitor -- Manning GM-JR
from Honeywell Analytics, Inc.

The GM-JR is an innovative stand-alone or "signal feed-through" readout/alarm unit that can be configured in a variety of ways to solve many refrigeration-gas concentration and alarm needs at an affordable price. The readout provides a calibrated 20-segment LED bargraph, alarm and fault LEDs, plus a... [See More]

  • Gas Types: Combustible
  • Number of Gases Monitored: Multi
  • Sensor Technology: Electrochemical
  • Measurement Type: %LEL or %LFL
SensAlert Arsine Sensor 1.0ppm -- 121042-D-1
from Sensidyne, LP

Minimum Indicated Concentration .............. 0.04 ppm. Repeatability .............................................. ± 2% of reading. Accuracy * ................................................. ± 2% of full scale. Zero Drift ................................................... < 5%... [See More]

  • Gas Types: Toxic; Combustible; AsH3 (0-1ppm)
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Measurement Type: Trace
Sixteen Channel Gas Controller -- P2260-16
from Conspec Controls Inc.

CONSPEC Controls Multi-Channel Controller is a microprocessor-based multi-analog input controller. The P2260 was designed to be an independent stand-alone controller but can integrate into any type of data acquisition system. The Controller can provide up to sixteen channels of remote monitoring and... [See More]

  • Gas Types: Combustible; Aerosols; NH3; AsH3; Br2; CO2; CO; Cl2; ClO2; B2H6; F; GeH4; Refrigerants; Hydrocarbons; H2; HCl; HCN; HF; H2Se; H2S; NO; NO2; O2; O3; PH3; SiH4; SO2; SF6
  • Number of Gases Monitored: Multi
  • Sensor Technology: Catalytic; Electrochemical; Infrared; PID; Thermal Conductivity
  • Measurement Type: %LEL or %LFL; %Volume; Trace
Handheld Hydrogen Leak Detector -- HY-ALERTA™ 500
from H2scan, Corp.

H2scan recognizes the importance of detecting and locating hydrogen leaks as quickly as possible.  H2scan's HY-ALERTA ™ 500 Handheld Hydrogen Leak Detector is the industry's most versatile, portable hydrogen leak detector able to respond to the widest range of hydrogen gas concentrations... [See More]

  • Gas Types: Combustible; H2 (15 ppm to 100% hydrogen)
  • Number of Gases Monitored: Single
  • Sensor Technology: Semiconductor
  • Measurement Type: Leakage
Infrared Hydrocarbon Sensor -- ULTRA 1000-IR
from Pem-Tech, Inc.

Ultra 1000-IR series is a microprocessor based sensor for detection of combustible gases using Infrared sensor technology. The self- contained sensor features user friendly interface and menu driven calibration procedure and configuration. Ultra 1000-IR uses NDIR (Non Dispersive Infrared) technique... [See More]

  • Gas Types: Combustible; Hydrocarbons (0-100% LEL)
  • Number of Gases Monitored: Single
  • Sensor Technology: Infrared
  • Measurement Type: %LEL or %LFL
Multichannel Gas Monitoring System -- Manning Air Alert 96d
from Honeywell Analytics, Inc.

Acts as the nerve center of a modular gas detection network by providing continuous monitoring of up to 96 sensors. The Manning AirAlertTM 96d multichannel gas monitoring system is designed for installation and operational simplicity for continuous monitoring and control of toxic gases, combustible... [See More]

  • Gas Types: Combustible; CO2; CO; Cl2; H2; O2
  • Number of Gases Monitored: Multi
  • Sensor Technology: Electrochemical
  • Electrical Outputs: Voltage; Switch or Relay
SensAlert Carbon Dioxide IR Sensor -- 052055-D-1
from Sensidyne, LP

Minimum Indicated Concentration .............. 0.07 %vol. Repeatability .............................................. ± 2% of reading. Accuracy * ................................................. ± 2% of full scale. Zero Drift ................................................... <... [See More]

  • Gas Types: Toxic; Combustible; CO2 (0-2%Volume)
  • Number of Gases Monitored: Single
  • Sensor Technology: Infrared
  • Measurement Type: %Volume
Process Hydrogen Monitor -- HY-OPTIMA™ 1700
from H2scan, Corp.

H2scan's HY-OPTIMA ™ 1700 series in-line, real time hydrogen-specific process analyzers are designed for ease of use, interface flexibility and true process control. The HY-OPTIMA ™ 1700 series is an ATEX certified Intrinsically Safe (IS) device that incorporates our patented solid-state... [See More]

  • Gas Types: Combustible; H2 (0.5% to 100%)
  • Number of Gases Monitored: Single
  • Sensor Technology: Semiconductor; Solid State Sensor
  • Measurement Type: %Volume
Open Path Infrared Gas Detector -- Searchline Excel
from Honeywell Analytics, Inc.

World renowned infrared open path flammable gas detector offering unrivalled performance and sensitivity. The Searchline Excel is the World ’s best selling infrared open path gas detector with over 6,000 units installed in challenging applications throughout industry. From the Arctic Circle to... [See More]

  • Gas Types: Combustible; Hydrocarbons (0-100% LEL)
  • Number of Gases Monitored: Single
  • Sensor Technology: Infrared
  • Measurement Type: %LEL or %LFL; Leakage
SensAlert Carbon Monoxide Sensor -- 195272-D-1
from Sensidyne, LP

Minimum Indicated Concentration .............. 4 ppm. Repeatability .............................................. ± 2% of reading. Accuracy * ................................................. ± 2% of full scale. Zero Drift ................................................... < 5%... [See More]

  • Gas Types: Toxic; Combustible; CO (0-100ppm)
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Measurement Type: Trace
Point Infrared Gas Detector -- Searchpoint Optima Plus
from Honeywell Analytics, Inc.

Take advantage of HART communication added to the proven performance of the market-leading hydrocarbon point infrared gas detector. With over 40 years experience in the design, manufacture, installation and maintenance of point infrared gas detection, Honeywell Analytics currently has a worldwide... [See More]

  • Gas Types: Combustible; Hydrocarbons (0-100% LEL)
  • Number of Gases Monitored: Single
  • Sensor Technology: Infrared
  • Measurement Type: %LEL or %LFL
SensAlert Chlorine Dioxide Sensor 1.0ppm -- 391042-D-1
from Sensidyne, LP

Minimum Indicated Concentration .............. 0.03 ppm. Repeatability .............................................. ± 2% of reading. Accuracy * ................................................. ± 2% of full scale. Zero Drift ................................................... < 5%... [See More]

  • Gas Types: Combustible; ClO2 (0-1ppm)
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Measurement Type: Trace
Sensepoint Flammable & Toxic Gas Detector
from Honeywell Analytics, Inc.

ATEX certified flammable, toxic and Oxygen gas detectors offering a low cost solution to hazardous area monitoring. The Sensepoint range of flammable, toxic and Oxygen gas detectors offer users a high quality, low cost solution to their industrial gas monitoring needs. Installation in potentially... [See More]

  • Gas Types: Combustible; NH3 (0-50 PPM / 0-1000 PPM); CO (0-200 PPM / 0-500 PPM); Cl2 (0-5 PPM / 0-15 PPM); Hydrocarbons (0-100% LEL); H2 (0-1000 PPM); H2S (0-20 PPM / 0-50 PPM/ 0-100 PPM); NO2 (0-10 PPM); O2 (0-25% VOL); SO2 (0-15 PPM / 0-50 PPM)
  • Number of Gases Monitored: Single
  • Sensor Technology: Catalytic
  • Measurement Type: %LEL or %LFL; Trace
SensAlert Combustible Gas Sensor -- 111250-D-1
from Sensidyne, LP

Minimum Indicated Concentration .............. 4 %LEL. Repeatability .............................................. ± 2% of reading. Accuracy * ................................................. ± 3% 0-50 %LEL,. ± 5% 50-100 %LEL. Zero Drift... [See More]

  • Gas Types: Combustible; Hydrocarbons (0-100%LEL); H2 (0-100%LEL)
  • Number of Gases Monitored: Multi
  • Sensor Technology: Catalytic
  • Measurement Type: %LEL or %LFL
Single Point Gas Monitor -- SPM
from Honeywell Analytics, Inc.

A fast response device detecting down to ppb of toxic gases, providing physical evidence of a gas event. This use-anywhere, fast response monitor is specific to your target gas only. Until now, the big concern with basic units for toxic gas monitoring was that environmental conditions or other... [See More]

  • Gas Types: Toxic; Combustible; NH3 (2.6-75 PPM); AsH3 (15-150 PPB); Br2 (11-300 PPB); Cl2 (0.05-1.5 PPM); ClO2 (11-300 PPB); B2H6 (31-300 PPB); GeH4 (141-600 PPB); HCl (0.5-15 PPM); HCN (1.1-30 PPM); HF (0.6-9 PPM); H2Se (20-150 PPB); H2S (1.1-30 PPM); NO2 (0.3-9 PPM); O3 (31-300 PPB); PH3 (32-900 PPB); SiH4 (0.5-15 PPB); SO2 (0.2-6 PPM) (Many other toxic gases- see datasheet)
  • Number of Gases Monitored: Single
  • Sensor Technology: Chemcassette. Pyrolyzer option.
  • Measurement Type: Trace
SensAlert Diborane Sensor 1.0ppm -- 291042-D-1
from Sensidyne, LP

Minimum Indicated Concentration .............. 0.04 ppm. Repeatability .............................................. ± 2% of reading. Accuracy * ................................................. ± 2% of full scale. Zero Drift ................................................... < 5%... [See More]

  • Gas Types: Combustible; B2H6 (0-1ppm)
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Measurement Type: Trace
SensAlert Ethylene Oxide Sensor 10ppm -- 452132-D-1
from Sensidyne, LP

Minimum Indicated Concentration .............. 0.4 ppm. Repeatability .............................................. ± 2% of reading. Accuracy * ................................................. ± 2% of full scale. Zero Drift ................................................... < 5%... [See More]

  • Gas Types: Toxic; Combustible (0-10ppm)
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Measurement Type: Trace
SensAlert Germane Sensor 2.0ppm -- 302042-D-1
from Sensidyne, LP

Minimum Indicated Concentration .............. 0.07 ppm. Repeatability .............................................. ± 2% of reading. Accuracy * ................................................. ± 2% of full scale. Zero Drift ................................................... < 5%... [See More]

  • Gas Types: Toxic; Combustible; GeH4 (0-2ppm)
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Measurement Type: Trace
SensAlert HF Sensor 10ppm -- 071142-D-1
from Sensidyne, LP

Minimum Indicated Concentration .............. 0.4 ppm. Repeatability .............................................. ± 2% of reading. Accuracy * ................................................. ± 2% of full scale. Zero Drift ................................................... < 5%... [See More]

  • Gas Types: Combustible; HF (0-10ppm)
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Measurement Type: Trace
SensAlert Hydrazine Sensor 1.0ppm -- 481042-D-1
from Sensidyne, LP

Minimum Indicated Concentration .............. 0.04 ppm. Repeatability .............................................. ± 5% of reading. Accuracy * ................................................. ± 10% of full scale. Zero Drift ................................................... <... [See More]

  • Gas Types: Toxic; Combustible (0-1ppm)
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Measurement Type: Trace
SensAlert Hydrogen Cyanide Sensor 100ppm -- 0312320D-2X
from Sensidyne, LP

Minimum Indicated Concentration .............. 4 ppm. Repeatability .............................................. ± 2% of reading. Accuracy * ................................................. ± 2% of full scale. Zero Drift ................................................... < 5%... [See More]

  • Gas Types: Toxic; Combustible; HCN (0-100ppm)
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Measurement Type: Trace
SensAlert Hydrogen Sensor 100%LEL -- 101236-D-1
from Sensidyne, LP

Minimum Indicated Concentration .............. 4 %LEL. Repeatability .............................................. ± 2% of reading. Accuracy * ................................................. ± 2% of full scale. Zero Drift ................................................... < 5%... [See More]

  • Gas Types: Combustible; H2 (0-100%LEL)
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Measurement Type: %LEL or %LFL
SensAlert Hydrogen Sensor 1000ppm -- 101332-D-1
from Sensidyne, LP

Minimum Indicated Concentration .............. 31 ppm. Repeatability .............................................. ± 2% of reading. Accuracy * ................................................. ± 2% of full scale. Zero Drift ................................................... < 5%... [See More]

  • Gas Types: Combustible; H2 (0-1000ppm)
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Measurement Type: Trace
SensAlert Hydrogen Sulfide Sensor 100ppm -- 062272-D-2
from Sensidyne, LP

Minimum Indicated Concentration .............. 4 ppm. Repeatability .............................................. ± 2% of reading. Accuracy * ................................................. ± 2% of full scale. Zero Drift ................................................... < 5%... [See More]

  • Gas Types: Toxic; Combustible; H2S (0-100ppm)
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Measurement Type: Trace