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Process of Over-range incorrect operation
Users should avoid using gases which exceed the measure range to impact the sensor, because it will affect
the lifespan and sensitivity of the sensor, even, "poison" the sensor. If there is any over-range incorrect
operation makes the detector displaying an concentration at a large reading, the remedy is to take the device
out of the environment immediately and put it in clean air for over half an hour, and then observe the reading, if
it keeps going down, then wait until the reading back to zero before powering it off, and do the zero point
calibration next time before using it. If the reading maintained at full scale, user should send the device back to
manufacturer or agent for repair or replacing the sensor.
①
— Alarm light
•
②
③
— LCD
④
— USB charging port
⑤
— UP
⑥
— DOWN
⑦
—ON/OFF
⑧
— Sensor air chamber
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Note
*If detector is used for the gas cylinder detection, considering the high pressure in the cylinder, please use a
pressure regulator, and keep it as the below data:
Flow rate: 800mL~1L/minute
Pressure: 0.1MPa or 1Bar
* Working temperature: -20~50 degree C
* Working humidity: 0-95%RH, no condensing
* Please put the detector in clean air for about 5 minutes and waiting for the data falling down to normal before
turning it off after measurement.
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