40-ST Series Combustible Gas Sensors-Transmitters
from ACME Engineering Products, Inc.

Combustible gas sensor/transmitters in robust PVC NEMA 3 housing utilizing catalytic bead sensor technology. Available with either voltage/ current analog outputs or RS- 485 serial digital communication interface compatible with Acme CEL series multipoint gas detection systems. Features. [See More]

  • Measurement Type: %LEL or %LFL; Trace
  • Number of Gases Monitored: Multi
  • Sensor Technology: Catalytic
  • Gas Types: Combustible; Refrigerants; Hydrocarbons (0-40% LEL)
Toxic Gas Transmitter -- HLM-1000-TX
from Arjay Engineering Ltd.

The CSA approved HLM-1000 is an analog. detector head compatible with all Arjay 4-20mA. based control units as well as most other 24 volt. systems. Its transformer-isolated design and rugged. construction make the HLM-1000 an ideal choice. for both new and retrofit applications. All. HLM-1000... [See More]

  • Measurement Type: %Volume; Trace
  • Gas Types: Toxic; Combustible; NH3 (0-100ppm); CO (0-500ppm); Cl2 (0-10ppm); HCl (0-10ppm); H2S (0-100ppm); NO (0-100ppm); NO2 (0-20pm); O2 (0-30%); SO2 (0-50ppm)
  • Number of Gases Monitored: Multi
  • Electrical Outputs: Current
Infiniti® Gas Transmitter -- U9500
from Det-Tronics

The U9500 Infiniti transmitters are used with gas sensors and provide an on-board LCD display, non-intrusive calibration, and exceptional diagnostics. Models are globally-approved and explosion-proof. They are completely compatible with the full range of Det-Tronics catalytic combustible, infrared,... [See More]

  • Measurement Type: %LEL or %LFL; %Volume; Trace
  • Number of Gases Monitored: Multi
  • Sensor Technology: Catalytic; Electrochemical; Infrared
  • Gas Types: Toxic; Combustible; NH3 (0-100ppm); CO (0-100 ppm0-500 ppm0-1000 ppm); Cl2 (0-10ppm); Hydrocarbons (0-100% LFL); H2S (0-20 ppm; 0-50 ppm; 0-100 ppm); O2 (0-25%); SO2 (0-20 ppm; 0-100 ppm)
Carbon Dioxide/Temperature Transmitter -- CDT Series
from Dwyer Instruments Inc.

Series CDT Carbon Dioxide and Temperature Transmitters accurately monitor the CO2 concentration and temperature in schools, office buildings, and other indoor environments to help achieve LEED ® certification. For increased sensor life, a single-beam dual-wavelength non-dispersive infrared... [See More]

  • Measurement Type: Trace
  • Number of Gases Monitored: Single
  • Sensor Technology: Infrared
  • Gas Types: CO2 (0-2000, 0-5000 ppm)
CO2 Indoor Transmitter -- EE80 Series
from E+E Elektronik Corp

The EE80 series combines CO2 , relative humidity (RH) and temperature (T) measurement in one housing. The snap-in mounting concept stands for easy installation and replacement within seconds. EE80 series set new standards in CO2 measurements for HVAC. The operation is based on the infrared... [See More]

  • Measurement Type: Trace
  • Number of Gases Monitored: Single
  • Sensor Technology: Infrared
  • Gas Types: CO2 (0-2000 / 0-5000 ppm)
Addressable Transmitter -- S4100T
from General Monitors, Inc.

The General Monitors Model S4100T Hydrogen Sulphide Addressable Transmitter is a highly reliable, self contained, microprocessor- controlled single point monitor with integral 3 digit readout. It is designed to measure and display concentrations of H2S in three ranges: 0-20ppm, 0-50ppm or 0-100ppm,... [See More]

  • Measurement Type: Trace
  • Number of Gases Monitored: Single
  • Sensor Technology: Semiconductor
  • Gas Types: Toxic; H2S (0 - 20ppm, 0 - 50ppm, 0-100ppm)
8630 Chlorine Transmitter
from GF Piping Systems

The Signet 3-8630-3P ProcessPro Chlorine Transmitter simultaneously displays free chlorine and pH levels on a bright LCD backlight display. The 8630 transmitter has two 4 to 20 mA outputs that can be programed to transmit chlorine, pH or temperature information to a data collection device. Two... [See More]

  • Measurement Type: Trace
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Gas Types: Cl2 (0 to 20 ppm)
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]

  • Measurement Type: %LEL or %LFL; %Volume; Trace
  • Number of Gases Monitored: Multi
  • Sensor Technology: Catalytic; Electrochemical
  • 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)
GMI Single Gas Transmitter for Hazardous Area Use -- GasTrEx
from IST Group

The GasTrEx from GMI is a hazardous area transmitter sensor unit which, when used along with one of our extensive range of flammable, toxic or oxygen deficiency, flameproof detection heads provides continuous, robust and accurate protection to personnel and property. [See More]

  • Measurement Type: %LEL or %LFL; %Volume; Trace
  • Number of Gases Monitored: Multi
  • Sensor Technology: Electrochemical; Infrared
  • Gas Types: NH3 (0-100 ppm); CO2 (0.1% Volume); CO (0-100, 0-500 ppm); H2; HCl (0-10 ppm); HCN (0-25 ppm); H2S (0-100 ppm); NO (0-100 ppm); NO2 (0-10 ppm); O2 (0.1% Volume); SO2 (0.1 ppm) (Ethylene Oxide)
ECO-SENSE 2 Wire Loop-Powered H2S Gas Detector -- ECO-A
from Rosemount Analytical

The Net Safety Monitoring ECO-SENSE detector is a truly state-of-the-art H2S gas sensor/transmitter package designed specifically for 2 wire, loop-powered installations. An economic and ecological choice, this extremely low power detector functions in a 4-20mA "sink" mode at less than .75 watts with... [See More]

  • Measurement Type: Trace
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Gas Types: Toxic; H2S
CF3 Series: CO2 Transmitter
from Rotronic Instrument Corp.

Applications. For ventilation control in residential properties, offices, classrooms, cinemas, public rooms, etc. Features. • Measurement range: 0 …2,000 ppm. • Measurement technique: infrared (NDIR) with automatic calibration. • Accuracy: ±30 ppm. • Power supply:... [See More]

  • Measurement Type: Trace
  • Number of Gases Monitored: Single
  • Sensor Technology: Infrared
  • Gas Types: CO2 (0-2000 ppm)
Toxic Transmitters - 4600MB Series
from Scott Safety

The 4600MB Series is a toxic gas and oxygen transmitter designed for single and multi-point monitoring applications where ruggedness, flexibility, and ease of maintenance are critical. The 4600MB transmitter is a three-wire device providing a 4-20 mA output and MODBUS. For additional output... [See More]

  • Measurement Type: Trace
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Gas Types: Toxic; NH3; AsH3; Br2; CO; Cl2; ClO2; B2H6; F; GeH4; H2; HCl; HCN; HF; H2S; NO; NO2; O2; O3; PH3; SiH4; SO2 (TEOS / Tungsten Hexafluoride)
Gas Detector -- 4100-33
from Sierra Monitor Corporation

Gas sensor modules with a performance difference. Sierra Monitor gas sensor modules provide continuous trouble-free monitoring of hazardous gas conditions to protect your personnel and facility. Sierra Monitor integrates extensive gas sensor technology with electronics expertise to offer a broad... [See More]

  • Measurement Type: Trace
  • Number of Gases Monitored: Multi
  • Sensor Technology: Semiconductor
  • Gas Types: Refrigerants
GM20 Series Carbon Dioxide Transmitters for Demand Controlled Ventilation Applications -- GMD20
from Vaisala

The duct-mounted Vaisala CARBOCAP ® Carbon Dioxide Transmitter Series GMD20 and wall mounted GMW20 are specially designed for Demand Controlled Ventilation (DCV). They are easy to install and require no maintenance. The recommended calibration interval is five years. Versatile transmitters. Duct... [See More]

  • Measurement Type: Trace
  • Number of Gases Monitored: Single
  • Sensor Technology: Infrared; CARBOCAP®
  • Gas Types: CO2 (0-2000, 5000, 10000, 20000 ppm)
CN Series Remote Transmitter Series -- CN01
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]

  • Measurement Type: Trace
  • Number of Gases Monitored: Single
  • Sensor Technology: Catalytic; Electrochemical; Infrared; PID; Thermal Conductivity
  • Gas Types: Toxic; NH3
Sensor Saver Transmitter -- 367-720-01
from Delphian Corporation

Delphian's transmitter is epoxy encapsulated for complete environmental protection and puts sensor power regulation and support electronics where it counts - at the sensor location. [See More]

  • Measurement Type: Trace
  • Number of Gases Monitored: Multi
  • Sensor Technology: Electrochemical
  • Gas Types: (Mercaptan, 0-50ppm)
Low Concentration Oxygen Analyzer -- OX400 [OX400 from Yokogawa Corporation of America]
from Fotronic Corporation / Test Equipment Depot

This is the latest oxygen analyzer from Yokogawa, and its development was based on the company's long experience and strong track record with this technology. A proprietary new thin-film deposition technology was used in the zirconia sensor that creates a molecular bond between the zirconia element... [See More]

  • Measurement Type: %Volume; Trace; Leakage
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical; Semiconductor
  • Gas Types: O2
Gas Monitor -- GASMAX II + Smart IR
from Global Detection Systems Corp.

Explosion proof installations, options include 5A alarm contacts [See More]

  • Measurement Type: %LEL or %LFL (optional feature); %Volume (optional feature); Trace (optional feature)
  • Number of Gases Monitored: Multi
  • Sensor Technology: Catalytic (optional feature); Electrochemical (optional feature); Infrared (optional feature); Semiconductor (optional feature)
  • 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 (0-100/50 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)
AirAware Control/Transmit -- 68100056-10300
from Industrial Scientific Corporation

Industry proven performance combined with a new, low-profile design make the Industrial Scientific AirAware ™ a logical choice for those critical areas that require continuous monitoring but not the environmental protection of an explosion-proof enclosure. Providing discrete monitoring and... [See More]

  • Measurement Type: Trace
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Gas Types: Toxic; CO (0 to 999 ppm)
Compact Gas Detector -- GDK7DII
from RKI Instruments, Inc.

Long life sensor, high density engineering, wide sensor selection [See More]

  • Measurement Type: Trace
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Gas Types: Toxic; NH3 (0-75 ppm); AsH3 (0-0.2 ppm); Br2 (0-1 ppm); Cl2 (0-1.5 ppm); B2H6 (0-.03 ppm); F (0-30 ppm); HCl (0-15 ppm); HF (0-9 ppm); H2S (0-1 ppm); NO2 (0-15 ppm); O3 (0-0.6 ppm); PH3 (0-1 ppm); SiH4 (0-15 ppm) (Many Others)
Explosion-Proof Transmitter -- 7013276-1
from Sensidyne, LP

Labor-saving is how major users describe the SensAlert. ® Universal Transmitter. Introduced three years ago,. it uses advanced components and rigorous ergonomic design, to significantly improve reliability and reduce. maintenance. The Sensidyne family of Universal 4-20 mA transmitters includes... [See More]

  • Measurement Type: %LEL or %LFL; %Volume; Trace
  • Gas Types: Toxic; Combustible
  • Number of Gases Monitored: Multi
  • Electrical Outputs: Current
Low Concentration Oxygen Analyzer -- OX400
from Yokogawa Corporation of America

This is the latest oxygen analyzer from Yokogawa, and its development was based on the company's long experience and strong track record with this technology. A proprietary new thin-film deposition technology was used in the zirconia sensor that creates a molecular bond between the zirconia element... [See More]

  • Measurement Type: %Volume; Trace; Leakage
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical; Semiconductor
  • Gas Types: O2