Fuji Electric ZSJ Instruction Manual page 51

Setting range
Alarm value : 10 to 1000 ppm
Alarm count : 1 to 99 times (per hour)
Hysteresis : 0 to 20 % of full scale
[% full scale] represents the percentage with the CO range regarded as 100%.
Action of peak alarm
Example
Not counted, as it has not been below the
hysteresis width since the first count
Peak concentration
Measured value
(1) Peak count alarm conducts when it
Peak count alarm
Releasing peak count alarm
Count start
1 peak 2 peak 3 peak
Count start
1 hour
reaches 5 peaks/hour(ON)
5 ppm step (initial value: 500 ppm)
(initial value: 5 times)
(initial value: 0% of full scale)
1 peak 2 peak 3 peak 4 peak
1 hour
4 peak 5 peak
Count end
42
Count end
Hysteresis width
(2) Peak count alarm is opened when
it reaches 4 peaks/hour (OFF)
section from
INZ-TN2ZSJ-E
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