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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
This peak is ignored because
the measured value has not
go down below the hysteresis
band after the first peak.
Peak concentration
Measured values
(1) The analyzer emits a peak count
alarm because the peak count has
reached five times per hour.
Peak count alarm
Releasing peak count alarm
1
Count
ON
1
2
3
4
Count
ON
1 hour
5 ppm step (initial value: 500 ppm)
(initial value: 5 times)
(initial value: 0% of full scale)
2
3 4 times
Count
OFF
1 hour
5 times
Count
OFF
38
Hysteresis
(2) The analyzer stops the peak
count alarm because the
peak count during the latest
hour was four.
INZ-TN2ZPB-E
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