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]

  • Gas Types: CO2 (0-2000, 0-5000 ppm)
  • Number of Gases Monitored: Single
  • Sensor Technology: Infrared
  • Measurement Type: Trace
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]

  • Gas Types: CO2 (0-2000 / 0-5000 ppm)
  • Number of Gases Monitored: Single
  • Sensor Technology: Infrared
  • Measurement Type: Trace
Point IR Carbon Dioxide Gas Detector -- IR700
from General Monitors, Inc.

The Model IR700 Infrared (IR) Point Detector is a microprocessor-based carbon dioxide gas detector that continuously monitors for CO2 in ppm levels. All electronics are contained within an explosion-proof housing so that the IR700's detector information can be processed locally. The IR700 operates... [See More]

  • Gas Types: Toxic; CO2 (0 to 5000 ppm)
  • Number of Gases Monitored: Single
  • Sensor Technology: Infrared
  • Measurement Type: Trace
Oldham Fixed Gas Detector -- OLCT 100 / OLC 100
from IST Group

Designed for the detection of explosive gases, toxic gases or oxygen, this detector comes with a Wheatstone bridge output (OLC 100) or 4-20mA output (OLCT 100). Whatever your application Oldham offers a solutions: catalytic, electrochemical, semiconductor, or poison control version. ATEX approved,... [See More]

  • Gas Types: Toxic; Combustible; NH3 (100, 1000, 5000 ppm); CO2 (0-5000 ppm; 0-5, 0-10, 0-100%); CO (100-1000 ppm); Cl2 (10 ppm); ClO2 (3 ppm); H2 (2000 ppm); HCl (30/100 ppm); HCN (10, 30 ppm); H2S (30-1000 ppm); NO (100, 300, 1000 ppm); NO2 (10, 30 ppm); O2 (0-30% Volume); PH3 (1 ppm); SiH4 (50 ppm); SO2 (10, 30, 100 ppm) (Arsine 1 ppm; Formaldehyde 50 ppm; Phosgene 1 ppm; Ethylene Oxide 30 ppm; Methyl Chloride 500 ppm; Methylene Chloride; Freon)
  • Number of Gases Monitored: Multi
  • Sensor Technology: Catalytic; Electrochemical; Infrared; Semiconductor
  • Measurement Type: %LEL or %LFL; %Volume; Trace
3 or 4-Wire smarter Gas Detectors Tox Array - TA-2100
from Mil-Ram Technology, Inc.

Mil-Ram's New RS 485/4-20mA 3 or 4-Wire smarter Transmitter for Toxic, Oxygen and LEL Combustible Gas Detection. Hundreds of different gases utilizing several sensor technologies; electrochemical, catalytic, infrared, photo-ionization, solid-state and more. Now available suitable for use in SIL 2... [See More]

  • Gas Types: Toxic; Combustible; NH3 (0-200ppm); AsH3 (0.00-1.00ppm); Br2 (0.0-5.0ppm); CO2 (0-5000ppm); CO (0-200ppm); Cl2 (0.0-5.0ppm); ClO2 (0.0-5.0ppm); B2H6 (0.00-1.00ppm); F (0.0-5.0ppm); GeH4 (0.00-5.00ppm); H2 (0-100%LEL); HCl (0.0-20.0ppm); HCN (0-50ppm); HF (0.0-20.0ppm); H2Se (0.20-1.00ppm); H2S (0-50ppm); NO (0-100ppm); NO2 (0.0-20.0ppm); O2 (0.0-25.0%LEL); O3 (0.0-20.0ppm); PH3 (0.00-1.00ppm); SiH4 (0-50ppm); SO2 (0.0-20.0ppm) (C3H3N, AsF5, BCl3, BF3, N2H4, HI, HBr)
  • Number of Gases Monitored: Multi
  • Sensor Technology: Catalytic; Electrochemical; Infrared; PID; Semiconductor; Solid State MOS
  • Measurement Type: %LEL or %LFL; %Volume; Trace
MultiGard Gas Sampling System
from MSA - The Safety Company

The MultiGard Gas Sampling System is an efficient, cost effective method of gas detection. [See More]

  • Gas Types: Toxic; Combustible; Aerosols; NH3; AsH3; Br2; CO2; CO; Cl2; ClO2; B2H6; F; GeH4; Refrigerants; Hydrocarbons; H2; HCl; HF; H2S; NO; NO2; NxOx; O2; PH3; SiH4; SO2; SF6
  • Number of Gases Monitored: Multi
  • Sensor Technology: Catalytic; Electrochemical; Infrared
  • Measurement Type: %LEL or %LFL; %Volume
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]

  • Gas Types: CO2 (0-2000 ppm)
  • Number of Gases Monitored: Single
  • Sensor Technology: Infrared
  • Measurement Type: Trace
Combustible Transmitters - Freedom Direct Detector
from Scott Safety

Reduce inventory and installation costs associated with multiple gas detection points throughout a facility by as much as 40 percent with the Scott Safety Freedom Direct gas detector. Specifically designed to detect combustible gases using Infrared or Catalytic Bead sensor technologies, the Scott... [See More]

  • Gas Types: Combustible; CO2 (Propane \ Acetone \ Ethane \ Propylene)
  • Number of Gases Monitored: Single
  • Sensor Technology: Catalytic; Infrared (optional feature)
  • Measurement Type: %LEL or %LFL
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]

  • Gas Types: CO2 (0-2000, 5000, 10000, 20000 ppm)
  • Number of Gases Monitored: Single
  • Sensor Technology: Infrared; CARBOCAP®
  • Measurement Type: Trace
CO2 Transmitter -- GMT221
from Weschler Instruments

CO2 Transmitters. Silicon-Based NDIR Sensor. NEMA 4X enclosure. Interchangeable Probes. Easy Installation. LCD Display Option. Analog Retransmit. Two Alarm/Relay Outputs. The GMT Series Transmitters measure CO2 in harsh and humidenvironments. A patented sensor provides outstanding time... [See More]

  • Gas Types: CO2
  • Operating Temperature: -4 to 140
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
aSense GH Wall Transmitter (0-2000ppm CO2)
from CO2Meter.com

Greenhouses. Mushroom Farms. Poultry Barns. The aSense GH measures carbon dioxide and temperature in the air, then sends the readings to your climate control system. It can also be used as a stand-alone device to drive a exhaust fan or an air duct damper. Click here to download the latest software. [See More]

  • Gas Types: CO2
  • Electrical Outputs: Voltage; Current
CN Series Remote Transmitter Series -- CN02
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: CO2
  • Number of Gases Monitored: Single
  • Sensor Technology: Catalytic; Electrochemical; Infrared; PID; Thermal Conductivity
  • Measurement Type: Trace
Gas Density/Hydrogen Purity Analyzer -- EXA GD402 [EXA GD402 from Yokogawa Corporation of America]
from Fotronic Corporation / Test Equipment Depot

There are many applications where the accurate, repeatable measurement of gas density is essential. From blending of fuel, to product quality, to Hydrogen purity and replacement in utility turbines, Yokogawa â € ™s family of Gas Density products allow you to make accurate... [See More]

  • Gas Types: NH3; AsH3; Br2; CO2; CO; Cl2; ClO2; B2H6; F; GeH4; Refrigerants; Hydrocarbons; H2; HCl; HCN; HF; H2Se; H2S; Hg; NO; NO2; NxOx; O2; O3; PH3; SiH4; SO2; SF6; Water Vapor
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Measurement Type: Density
iTrans™ -- 7814635-ABCDEFG
from Industrial Scientific Corporation

Compatible with the first docking system for fixed-point gas monitors, iTrans ™ provides maximum flexibility, superior performance and hands-off maintenance. Using patented technology, the iTrans ™ DS2 Docking Station ™ provides automatic calibration, testing and record-keeping. [See More]

  • Gas Types: Toxic; Combustible; NH3 (optional feature) (0 to 200 ppm); CO2 (optional feature) (0 to 100 % LEL); CO (optional feature) (0 to 999 ppm); Cl2 (optional feature) (0.2 to 99.9 ppm); ClO2 (optional feature) (0.02 to 1 ppm); Hydrocarbons (optional feature) (0 to 100 % LEL); H2 (optional feature) (0 to 1999 ppm); HCl (optional feature) (0.2 to 30 ppm); HCN (optional feature) (2 to 30 ppm); NO (optional feature) (0.0 to 99.9 ppm); NO2 (optional feature) (0.2 to 99.9 ppm); O2 (optional feature) (0 to 30% Vol); PH3 (optional feature) (0 to 1 ppm); SO2 (optional feature) (0.2 to 99.9 ppm)
  • Number of Gases Monitored: Multi
  • Sensor Technology: Catalytic (optional feature); Electrochemical (optional feature)
  • Measurement Type: %LEL or %LFL (optional feature); %Volume (optional feature); Trace (optional feature)
Intrinsically Safe Gas Detector -- Model MGT3
from Neutronics, Inc.

The Ntron Model MGT3 is a Certified Intrinsically Safe Gas Transmitter / Display for use in industrial gas monitoring applications. It can be configured to detect a variety of flammable and toxic gases as well as CO2 and Oxygen. An LCD display and pushbutton operation make the Model MGT3 easy to... [See More]

  • Gas Types: Toxic; CO2; CO; Cl2; H2; HCl; H2S; NO; O2; O3; SO2
  • Number of Gases Monitored: Multi
  • Sensor Technology: Electrochemical; Infrared; Pellistor
  • Measurement Type: %LEL or %LFL
Carbon Dioxide (CO2) Sensor -- Ultra 100-IR
from Pem-Tech, Inc.

Ultra 1000-IR series is a microprocessor based sensor for detection of Carbon Dioxide (CO2) gas 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)... [See More]

  • Gas Types: CO2
  • Number of Gases Monitored: Single
  • Sensor Technology: Infrared
  • Measurement Type: %LEL or %LFL
Infrared Gas Transmitter -- 7013313-1
from Sensidyne, LP

ATEX approved, no oxygen required, linear K-factor calibration [See More]

  • Gas Types: Toxic; Combustible; CO2 (0-2%Volume); Hydrocarbons (0-100%LEL) (0-100%LEL)
  • Number of Gases Monitored: Multi
  • Sensor Technology: Infrared
  • Measurement Type: %LEL or %LFL; %Volume
Gas Density/Hydrogen Purity Analyzer -- EXA GD402
from Yokogawa Corporation of America

There are many applications where the accurate, repeatable measurement of gas density is essential. From blending of fuel, to product quality, to Hydrogen purity and replacement in utility turbines, Yokogawa â € ™s family of Gas Density products allow you to make accurate... [See More]

  • Gas Types: NH3; AsH3; Br2; CO2; CO; Cl2; ClO2; B2H6; F; GeH4; Refrigerants; Hydrocarbons; H2; HCl; HCN; HF; H2Se; H2S; Hg; NO; NO2; NxOx; O2; O3; PH3; SiH4; SO2; SF6; Water Vapor
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Measurement Type: Density