ENMET EN Series - Manual (Page 16)

Sensor/Transmitter, Toxic Gas & Oxygen ENMET Corporation
14
Ozone (3E 1 sensor)
The following gases cause a reading:
Interferant
Gas/Vapor Interferant Concentration
in ppm Instrument Reading
in ppm
chlorine 1 0.80
fluorine 100ppb 0.07
germane 1 1
nitrogen dioxide 1 0.09
The following gases or vapors have been tested and do not cause a reading:
Interferant Gas/Vapor Concentration in ppm
hydrogen sulfide 1
sulfur dioxide 2
phosphine 100 ppb
carbon monoxide 300
carbon dioxide 5000
nitrogen 100%
nitrogen monoxide 10
hydrocarbons % range
hydrogen 1000
hydrogen cyanide 10
ammonia 10
hydrogen fluoride 3.8
hydrochloric acid 10
Arsine (2E sensor)
The following gases cause a reading:
Interferant
Gas/Vapor Interferant Concentration
in ppm Instrument Reading
in ppm
phosphine 100 ppb 110
chlorine 5 -400
hydrogen cyanide 10 100
ammonia 100 10
diborane 100 35
silane 1 100
germane 1.1 100
hydrogen selenide 50 ppb 5
The following gases or vapors have been tested and do not cause a reading:
Interferant Gas/Vapor Concentration in ppm
hydrogen sulfide 1*
sulfur dioxide 2
hydrochloric acid 5
carbon monoxide 300
carbon dioxide 5000
nitrogen 100 %
hydrocarbons % range
hydrogen 1000
*With onboard filter; continuous high level exposure may reduce the filter efficiency