Minimum Indicated Concentration .............. 10 ppm
Repeatability .............................................. ± 2% of reading
Accuracy * ................................................. ± 2% of full scale
Span Drift .................................................. < 10% change per year (typical)
Response Time (Rise) ................................. T50: < 20 seconds, successive exposures
T90: < 60 seconds, successive exposures
Recovery Time (Fall) ................................... T10: < 120 seconds
Temperature Range ................................... -20° to 50°C (-4° to 122°F)
Humidity Range (continuous) ...................... 5–95 %RH, non-condensing
Humidity Range (intermittent†) ................... 0–99 %RH, non-condensing
Pressure Range .......................................... Ambient atmospheric, ± 1 psi
Recommended Calibration Flow rate .......... 1.0 LPM
Oxygen Requirement .................................. 1% by volume, minimum
† Gas exposure should not exceed eight (8) hours during any 24 hour period.
* When unit is calibrated and serviced at recommended intervals.
AMMONIA
(Low Interferent)
(0-300 ppm)
Part No. 011243-D-2X
AMMONIA
Interferent TLV LEL Exposure Response
Alcohols 1000 ppm None
Carbon Monoxide 25 ppm 12.5 %v 1000 ppm None
Chlorine 0.5 ppm *** 1 ppm None
Hydrocarbons %vol range None
Hydrogen asphyxiant 4.0 %v 1 %vol None
Hydrogen Chloride C 5 ppm *** 5 ppm None
Hydrogen Cyanide C 4.7 ppm 5.6 %v 10 ppm None
Hydrogen Sulfide 10 ppm 4.0 %v 10 ppm + 1 ppm *
Interferent Notes
(*) Long term exposure may damage sensor.
(***) means the substance is not combustible in air under normal conditions. “C” Denotes a ceiling (in TLV column).
If an interferent is present and there is no target gas, certain transmitters will not display the interferent response until the EFFECT of the interferent reaches
± 4 ppm. This is due to display “blanking” that occurs between -3 ppm and + 3 ppm on transmitters that display gas concentrations as whole numbers (no decimals
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