Sensor Specifications
Radiation Sensor Range Resolution
Gamma 0 to 20,000 µRem/h 1 µRem/h
PID Sensors for VOC Range Resolution
4R+; 10.6eV* ppb 0 to 2,000 ppm 10 ppb
4R+ 9.8 eV 0 to 2,000 ppm 0.1 ppm
7R+ 10.6 eV* ppb 0 to 2,000 ppm 10 ppb
7R+ 10.6 eV (Extended Range) 0 to 5,000 ppm 0.1 ppm
Combustible Sensor Range Resolution
4R+ LEL 0 to 100% LEL 1% LEL
Carbon Dioxide Sensor Range Resolution
Carbon Dioxide (CO
2
) NDIR 0 to 50,000 ppm 100 ppm
Electrochemical Sensors Range Resolution
Ammonia 0 to 100 ppm 1 ppm
Carbon Monoxide 0 to 500 ppm 1 ppm
Carbon Monoxide 0 to 2,000 ppm 10 ppm
Carbon Monoxide (H
2
-comp) 0 to 2,000 ppm 10 ppm
Chlorine 0 to 50 ppm 0.1 ppm
Chlorine dioxide 0 to 1 ppm 0.03 ppm
Ethylene Oxide ETO-A 0 to 100 ppm 0.5 ppm
Ethylene Oxide ETO-B 0 to 10 ppm 0.1 ppm
Ethylene Oxide ETO-C 0 to 500 ppm 10 ppm
Hydrogen 0 to 2,000 ppm 2 ppm
Hydrogen Chloride 0 to 15 ppm 1 ppm
Hydrogen Cyanide 0 to 50 ppm 0.5 ppm
Hydrogen Fluoride 0.5 to 10 ppm 0.1 ppm
Hydrogen Sulfide 0 to 100 ppm 0.1 ppm
Hydrogen Sulfide extended 0 to 1,000 ppm 0.1 ppm
Liquid Oxygen 0 to 30% 0.1%
Sulfur Dioxide 0 to 20 ppm 0.1 ppm
Nitric Oxide 0 to 250 ppm 1 ppm
Nitrogen Dioxide 0 to 20 ppm 0.1 ppm
Phosphine 0 to 20 ppm 0.1 ppm
Specifications are subject to change without notice.
AreaRAE 139 User Manual
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