Ammonia (NH3)

Typical Sources: food processing, wet recycling, farms, breweries
Target Alarm Concentration: Toxic levels, 25 ppm
Density: lighter than air; mount the sensor above leak source near ceiling and accessible for calibration

note: Application requirements and local regulations may dictate sensor location and alarm setpoints. Alarm levels are based on ACGIH 2011 TLV guidelines.

Butane

Carbon Monoxide (CO)

Carbon Dioxide (CO2)

• Typical Sources: green houses, breweries, beverage processing, breathing air (gyms, casinos, public spaces)
  Target Concentration: Toxic levels, 1,200 ppm
  Density: about the same as air; mount the sensor in the breathing zone and accessible for calibration. Kits are available for duct mounting.
  
  note: Application requirements and local regulations may dictate sensor location and alarm setpoints. Alarm levels are based on ACGIH 2011 TLV guidelines.
  
  

Combustible Gas (%LEL)

Typical Sources: landfills, refineries, sewage treatment, chemical storage, alcohols
Target Alarm Concentration: combustible levels, 10% LEL
Density: application specific; mount the sensor according to target gas and accessible for calibration. Kits are available for duct mounting.

note: application requirements and local regulations may dictate sensor location and alarm setpoints

Chlorine (CL2)

Hexane

Typical Sources: chemical plants, hazardous waste recycling, paint applications
Target Concentration: combustible levels, 10% LEL
Density: heavier than air; mount the sensor near the floor and accessible for calibration. Kits are available for duct mounting.

note: Application requirements and local regulations may dictate sensor location and alarm setpoints.

Hydrogen (H2)

Typical Sources: laboratories, hydrogen vehicle storage, battery charging areas
Target Concentration: combustible levels, 10% LEL
Density: lighter than air; mount the sensor near the ceiling and accessible for calibration. Kits are available for duct mounting.

note: Application requirements and local regulations may dictate sensor location and alarm setpoints.

Hydrogen Sulphide (H2S)

Typical Sources: storm water pumping stations, sewage treatment plants
Target Concentration: Toxic levels, 10 ppm
Density: heavier than air; mount the sensor near the floor and accessible for calibration. Kits are available for duct mounting.

note: Application requirements and local regulations may dictate sensor location and alarm setpoints. Alarm levels are based on ACGIH 2011 TLV guidelines.

Methane (CH4, natural gas)

Typical Sources: landfills, sewage treatment plants, gas fired heaters, boiler rooms
Target Concentration: combustible levels, 10% LEL
Density: lighter than air; mount the sensor near the ceiling and accessible for calibration. Kits are available for duct mounting.

note: Application requirements and local regulations may dictate sensor location and alarm setpoints.

Methyl Chloride

Typical Sources: chemical processing
Target Concentration: Toxic levels, 50 ppm
Density: heavier than air; mount the sensor near the floor and accessible for calibration. Kits are available for duct mounting.

note: Application requirements and local regulations may dictate sensor location and alarm setpoints. Alarm levels are based on ACGIH 2011 TLV guidelines.

Nitrogen Dioxide (NO2)

Typical Sources: diesel exhaust
Target Concentration: Toxic levels, 3 ppm
Density: heavier than air; mount sensor in the breathing zone and accessible for calibration. Kits are available for duct mounting.

note: Application requirements and local regulations may dictate sensor location and alarm setpoints. Alarm levels are based on ACGIH 2011 TLV guidelines.

Nitrogen (N2)

Typical Sources: tank blanketing, purging, manufacturing
Target Concentration: This is an inert gas, use an Oxygen depletion sensor
Density: heavier than air; mount sensor near the floor and accessible for calibration. Kits are available for duct mounting.

note: Application requirements and local regulations may dictate sensor location and alarm setpoints.

Oxygen (O2)

Typical Sources: depletion in sewage and stormwater applications, monitoring for inert gases
Target Concentration: % levels, 19.5%
Density: application specific. Kits are available for duct mounting.

note: Application requirements and local regulations may dictate sensor location and alarm setpoints.

Propane

Typical Sources: forklifts, ice re-surfacers, manufacturing, propane tank storage
Target Concentration: combustible levels, 10% LEL
Density: heavier than air; mount the sensor near the floor and accessible for calibration. Kits are available for duct mounting.

note: Application requirements and local regulations may dictate sensor location and alarm setpoints.

Refrigerants

Typical Sources: chiller rooms, refrigerant machinery rooms
Target Concentration: Toxic levels, Group A: 50 ppm, Group B: 1,000ppm
Density: heavier than air; mount the sensor near the floor and accessible for calibration. Kits are available for duct mounting.

note: Application requirements and local regulations may dictate sensor location and alarm setpoints. Alarm levels are based on ACGIH 2011 TLV guidelines.

Toluene

Typical Sources: chemical processing, laboratories, paint manufacturing
Target Concentration: Toxic levels, 50 ppm
Density: heavier than air; mount the sensor near the floor and accessible for calibration. Kits are available for duct mounting.

note: Application requirements and local regulations may dictate sensor location and alarm setpoints. Alarm levels are based on ACGIH 2011 TLV guidelines.

Other

Sensors can be cross-sensitive to various gases. Correlation gases can be used to calibrate and target your specific gas. Ask us about your application need.