Stabilization time
After mounting, it is essential to allow the detector temperature to stabilize. In
addition, after turning the power on, certain sensors require a further pre-heating
time. Any adjustment before the time indicated will result in an incorrect
measurement, which may in turn compromise the safety of the goods and
personnel. The total waiting time is summarised below:
Explosimeter: 2 hours
Oxygen detector: 1 hour (2 year sensor) to 1.5 hour (5 year sensor)
Electrochemical detector: 1 hour, excluding:
- NO (nitrogen monoxide): 12 hours
- HCl (hydrogen chloride): 24 hours
- ETO (ethylene oxide): 36 hours
- CH
2
O (formaldehyde): 36 hours
Semiconductor sensor: 4 hours
Infra-red detector: 2 hour
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