34
GasAlertQuattro
Operator’s Manual
Performance Data According to EN 45544-1 Part 1 and 2:
Target Gas
CO
H
2
S
Time of response
13s
10s
Time of recovery
15s
10s
Alarm response time
4s
4s
Zero variation
2 ppm (v/v)
0,3 ppm (v/v)
Overall uncertainty
8% of the measuring value
2.8%
Lower limit of measuring range
1 ppm (v/v)
0,2 ppm (v/v)
Drift under zero gas (3 months)
1 ppm (v/v)
0,2 ppm (v/v)
Drift under standard test gas (3 months)
1 ppm (v/v)
2,3 ppm (v/v)
Maximum calibration period under test conditions
3 months
3 months
(Under operation conditions the calibration period may differ from value under test conditions)
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