3-3
STEP TIME TO REACH Less than 12 seconds (typically 6 seconds)
CHANGE 20% OF SCALE- Less than 20 seconds (ETO)
RESPONSE OXYGEN & TOXICS
TIME TO REACH Less than 30 seconds (typically 12 seconds)
50% OF SCALE- Less than 45 seconds (ETO)
OXYGEN & TOXICS
TIME TO REACH Less than 10 seconds
50% OF SCALE-
COMBUSTIBLES
TIME TO REACH Less than 30 seconds
90% OF SCALE-
COMBUSTIBLES
HUMIDITY 15 to 95% RH, non-condensing,
24 hours or less
15 to 60% RH (SO
2
**)
35 to 95% RH, long term
SENSOR CATALYTIC 3 years, typically
LIFE COMBUSTIBLES
OXYGEN & TOXICS 2 years, typically
AMMONIA ***
FULL REPLACEMENT 1 year from installation; 10 years for IR
WARRANTY Sensor source (see "MSA Instrument
Warranty" in this manual for complete details)
WIRING OXYGEN 2-wire or 3-wire
REQUIRE- & TOXICS
MENTS
COMBUSTIBLES 3-wire
RELAYS 3-wire
**SO
2
sensor should not be used in dirty or humid environments.
***0-100 ppm NH
3
sensor is consumable at a rate of 10% for every 200 ppm/hours of
exposure.
0-1000 ppm NH
3
sensor is consumable at a rate of 10% for every 1500 ppm/hours of
exposure.
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