Bosean Electronic Technology BH-90, Руководство пользователя

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Bosean Electronic Technology Co.,Ltd www.bosean.com
Tel:86-371-86533226 Email: sales03@bosean.com - 3 -
3.3 Principle: Electrochemical or Catalytic sensor.
4. Operation & Function
4.1 Display Elements
CH4 Gas type 13:01 Time
Full voltage 0%LEL Concentration value
4.2 Push buttons
Push button Description

To active the detector, press and hold it for 5 seconds

Press it to cancel the the operation;

To deactive the detector, press and hold it for 5 seconds

Press and for more than 1s to set up the parameters

Can check parameters, alarm record, low alarm, high alarm, zero
calibration, calibration,time set.

To set the parameters, press it

To turn off the alarm sound and vibration in the alarm state, press
it

Press the button in the lower left, press it and turn on the light
4.3 Turn on
Press the button for 5s and then release it. The interface shows “Starting”, “LED
Testing”, and then vibrates with “Motor Testing”, then beep and flashes with “Sound and
Alarm Testing”,it enters into detecting status.
At this time, it displays the concentration of gas in the environment as figure 1.
CH4 13:01
0
% LEL