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]

  • Electrical Outputs: Voltage (optional feature); Current; Switch or Relay (optional feature)
  • Number of Gases Monitored: Multi
  • Sensor Technology: Catalytic
  • Measurement Type: %LEL or %LFL; Trace
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]

  • Electrical Outputs: Current; Switch or Relay (optional feature)
  • Number of Gases Monitored: Multi
  • Sensor Technology: Infrared
  • Measurement Type: %LEL or %LFL
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]

  • Electrical Outputs: Switch or Relay
  • Measurement Type: %LEL or %LFL
  • Number of Gases Monitored: Multi
  • Gas Types: Combustible; H2; Methane (CH4) / Natural Gas (Propane)
Hydrocarbon Open Path Detector -- IR5500
from General Monitors, Inc.

The IR5500 open path gas detector is composed of an infrared source unit and a microprocessor-based infrared detector receiver module. This Open Path Gas Monitoring System measures only infrared active gases, such as hydrocarbons, and the corresponding output of the system is expressed in equivalent... [See More]

  • Electrical Outputs: Current; Switch or Relay
  • Number of Gases Monitored: Single
  • Sensor Technology: Infrared
  • Measurement Type: %LEL or %LFL; %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]

  • Electrical Outputs: Current; Switch or Relay
  • Number of Gases Monitored: Multi
  • Sensor Technology: Catalytic; Electrochemical
  • Measurement Type: %LEL or %LFL; %Volume; Trace
Detcon Acetyldehyde Sensor Assembly -- DM-600-C2H3O
from IST Group

Detcon Model DM-600IS-C2H3O sensor is designed to detect and monitor C2H3O in air over the range 0-100 ppm. Features: CSA and UL Approved: Class 1, Div. 1, Groups B, C, & D. Outputs: 4-20 mA, RS-485 Modbus ™, 3 relays (2 alarm, 1 fault). Sensor status and parameters accessible via RS-485... [See More]

  • Electrical Outputs: Current; Switch or Relay
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Measurement Type: Trace
Sentry IT Ammonia Sensor Module -- 5100-25-IT
from Sierra Monitor Corporation

As with all the IT Series Gas Sensor Modules the Toxics IT meets the needs of integrators industry-wide to incorporated hazardous gas monitoring information into their plant-wide safety and process system. Oxygen deficiency - 5100-03-IT Carbon Monoxide - 5100-04-IT Hydrogen Sulfide - 5100-05-IT... [See More]

  • Electrical Outputs: Current; Switch or Relay (optional feature)
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Measurement Type: Trace
Air Quality Monitor -- AQ-Alert+
from SST Sensing Ltd.

Designed for the surveillance of indoor air quality in workplaces such as schools and offices, homes and public buildings. The AQ-Alert+ System measures the concentration of carbon dioxide with options to also measure oxygen concentration, temperature, atmospheric pressure and relative humidity... [See More]

  • Electrical Outputs: Voltage (optional feature); Current (optional feature); Switch or Relay (optional feature)
  • Number of Gases Monitored: Multi
  • Sensor Technology: Infrared
  • Measurement Type: %Volume; Trace
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]

  • Electrical Outputs: Voltage; Current; Switch or Relay (optional feature)
  • Number of Gases Monitored: Single
  • Sensor Technology: Infrared; CARBOCAP®
  • Measurement Type: Trace
Carbon Monoxide Detector w Remote Sensor -- HIC-203-RS
from Actioncraft Products, Inc. / Industrial Test Equipment Co., Inc.

Remote sensors can be installed in location to be monitored. Control box can be installed wherever convenient and can be used alone or as part of alarm panel. Trip relay for connection to remote or local alarm panel, fan or horn if there is a gas leak or to shut off gas valve. Power requirements are... [See More]

  • Electrical Outputs: Switch or Relay
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Measurement Type: Trace
CO2 On-Line Analyzer -- Series 2605C
from Analytical Systems Int’l. Keco

The petrochemical, gas processing, and gas pipeline industry has required an accurate and dependable, low maintenance and cost-effective CO2 analyzer for quality and process control purposes. Analytical Systems International has met these requirements with their proven microprocessor based non... [See More]

  • Electrical Outputs: Current; Switch or Relay (optional feature)
  • Number of Gases Monitored: Single
  • Sensor Technology: Infrared
  • Measurement Type: Trace
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]

  • Electrical Outputs: Voltage; Current; Switch or Relay
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical; Semiconductor
  • Measurement Type: %Volume; Trace; Leakage
5020 Combustible Gas Detection Modules -- 35020-100
from Safety Systems Technology

Single slot plug-in module which canbe inserted into or removed from rackwith power on. Monitors combustible gas sensors via4-20 mA sink or source input. Digital 7-segment LED readout inpercent of Lower Explosive Limit. Dual alarm trip points. Flashing redLED indication and Form C contactoutputs. [See More]

  • Electrical Outputs: Switch or Relay
  • Gas Types: Combustible
0.3% CO2 MONITOR MODEL 2156 -- 030432-.3
from VTI-Valtronics, Inc.

Process Control Food processors using Individual Quick Freeze (IQF) CO2 cryogenic freezer tunnels have found CO2 Gas Sensors necessary to measure area CO2 gas levels in order to provide working personnel safety. The installation of the Model 2156 CO2 gas monitor will meet the USDA requirements for... [See More]

  • Electrical Outputs: Voltage; Current; Switch or Relay
  • Gas Types: CO2
  • Measurement Type: %Volume
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]

  • Electrical Outputs: Voltage; Current; Switch or Relay
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical; Semiconductor
  • Measurement Type: %Volume; Trace; Leakage