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
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]

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

  • Electrical Outputs: Voltage (optional feature); Current (optional feature); Switch or Relay (optional feature)
  • Number of Gases Monitored: Single
  • Sensor Technology: Infrared
  • Measurement Type: Trace
Intelligent Gas Sensor -- S4000CH
from General Monitors, Inc.

The Model S4000CH Intelligent Sensor is a microprocessor- based transmitter designed for use with General Monitors' catalytic bead sensors. The unit features one person calibration and can virtually self-calibrate by simply activating a magnetic switch and applying gas. It is designed to monitor... [See More]

  • Electrical Outputs: Current; Switch or Relay
  • Number of Gases Monitored: Multi
  • Sensor Technology: Catalytic
  • Measurement Type: %LEL or %LFL
Oldham iTrans™ Stainless Steel Detector
from IST Group

Enclosed within an explosion-proof stainless steel housing, the Stainless Steel iTrans ™ is built to withstand corrosion in harsh environments such as offshore drilling platforms, chemical plants or applications near a saltwater coastline. The iTrans monitors employ an intelligent electronics... [See More]

  • Electrical Outputs: Current; Switch or Relay
  • Number of Gases Monitored: Multi
  • Sensor Technology: Catalytic; Infrared
  • Measurement Type: %LEL or %LFL; %Volume; Trace
Millennium Catalytic Bead Gas Detector -- SC1100
from Rosemount Analytical

The SC1100 Catalytic Bead gas detector continuously monitors your site for the presence of combustible gases. Net Safety's SensorGuard feature protects sensors from damage caused by extended exposure to high concentrations of combustible gas. The SC1100 is an intelligently designed combustible (LEL)... [See More]

  • Electrical Outputs: Current; Switch or Relay
  • Measurement Type: %LEL or %LFL
  • Sensor Technology: Catalytic
  • Gas Types: Combustible; Hydrocarbons (0-100%); H2 (0-100%)
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]

  • Electrical Outputs: Voltage; Current; Switch or Relay (optional feature)
  • Number of Gases Monitored: Single
  • Sensor Technology: Infrared
  • 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
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
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
Gas Monitor -- GASMAX II + Smart IR
from Global Detection Systems Corp.

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

  • Electrical Outputs: Current; Switch or Relay (optional feature)
  • Number of Gases Monitored: Multi
  • Sensor Technology: Catalytic (optional feature); Electrochemical (optional feature); Infrared (optional feature); Semiconductor (optional feature)
  • Measurement Type: %LEL or %LFL (optional feature); %Volume (optional feature); Trace (optional feature)
AirAware Control/Transmit -- 68100056-70300
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]

  • Electrical Outputs: Current; Switch or Relay
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Measurement Type: Trace
Addressable Toxic & Oxygen Sensor -- ULTRA 1000
from Pem-Tech, Inc.

Features. RS-485 MODBUS Serial Output. 4-20mA Analog Output. 12-28 VDC Operation. Automated Non-Intrusive Calibration. Fully Adjustable Alarm Relay. Lower wiring costs. Description. Ultra 1000 series is a microprocessor based addressable sensor for toxic gas detection. The self- contained sensor... [See More]

  • Electrical Outputs: Current; Switch or Relay
  • Number of Gases Monitored: Single
  • Sensor Technology: Electrochemical
  • Measurement Type: %LEL or %LFL; Trace
Single Point Stand Alone Monitor -- PS 2
from RKI Instruments, Inc.

Compact design, simple installation, low maintenance [See More]

  • Electrical Outputs: Switch or Relay
  • Number of Gases Monitored: Single
  • Sensor Technology: Metal Oxide
  • Measurement Type: %LEL or %LFL; Trace
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