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Bosean Electronic Technology Co.,Ltd

www.bosean.com

Tel:86-371-86533226

Email:

sales03@bosean.com

- 9 -

5. Possible fault and corresponding solution

Possible fault

Possible reason

Corresponding solution

No response to alarm

Wrong alarm point

Please reset the alarm point

Fault of electric circuit

Please contact the manufacturer

No response to gas
detected

Zero drift

Calibrate zero point

Fault of electric circuit

Please contact the manufacturer

Inaccurate indication

Sensor is overdue

Please contact manufacturer to
replace gas senor

Uncalibrated for long time

Please calibrate it in time

Insufficient

working

hours

Fault of Charger

Please change charger

Fault of the Device

Please contact the manufacturer

Can

not

charge

electricity

Fault of Charger

Please change charger

Fault of the Device

Please contact the manufacturer

6. Notices

6.1 Falling down from high places or strong shake is prohibited.
6.2 The detector may not work properly at interferential high-concentration gas.
6.3 To avoid incorrect result or possible damage to the detector, please operate and
handle the detector in accordance with the manual.
6.4 The detector should be not stored or used neither under the circumstance with
caustic gas (such as Cl2), nor under the other rugged circumstances, including
excessive high or low temperature, high humidity, electromagnetic field and strong
sunshine.
6.5 If there is dust on the surface of the detector after a long-term use, please clean it
lightly with clean soft cloth. The surface may be scraped or destroyed with caustic
solvent or hard things.
6.6 To assure the testing accuracy, the detector should be calibrated periodically. And
the calibration period should be less than one year.
6.7

Please put the used Lithium batteries to the appointed places or send to our

company. Don’t discard them into the dustbin randomly.

Summary of Contents for BH-90

Page 1: ...BH 90 Portable Single gas Detector User Manual Ver BSA20150424003 Bosean Electronic Technology Co Ltd ISO9001 2008...

Page 2: ...bility The detector adopts embedded MCU controller easy to operate The shell adopts special high strength material and anti smooth rubber with the characters of water proof and dust proof 2 Features a...

Page 3: ...70 for combustible gas Operating temperature 20 50 for toxic gas Humidity 95 RH non condensing Operating voltage DC3 7V Li battery 2000mAh Working time 8h continuously Charging time 4h 6h Sensor life...

Page 4: ...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...

Page 5: ...ector is turned off Attentions When the detector is not detecting status press continuously till it returns to the detection mode 4 5 Menu Operating Instructions The user menu contains the following o...

Page 6: ...etection interface If press the record will not be cleared and the interface will go directly to the menu setting screen Fig8 Fig9 Fig10 2 Low alarm settings Press the button in the menu interface the...

Page 7: ...nterface If there is no special requirement the alarm parameters should not be modified Fig14 Fig15 Fig16 Fig17 4 zero function setting Press the button in the menu interface the interface shown as Fi...

Page 8: ...enu page press the button to save the year value the instrument directly into the month setting screen as Fig 21 press and buttons to select the appropriate month press the button to save the month va...

Page 9: ...rm every minute to remind user 4 7 Charging Please charge the detector when it shows low battery or the detector can t be turned on due to low battery Before charging please turn off the detector to a...

Page 10: ...facturer 6 Notices 6 1 Falling down from high places or strong shake is prohibited 6 2 The detector may not work properly at interferential high concentration gas 6 3 To avoid incorrect result or poss...

Page 11: ...LEL 20 LEL 50 LEL BH 90 C3H8 0 100 LEL 20 LEL 50 LEL BH 90 H2 0 100 LEL 20 LEL 50 LEL BH 90 H2 0 1000ppm 35ppm 250 ppm BH 90 H2S 0 100ppm 10ppm 15ppm BH 90 CO 0 1000ppm 35ppm 200ppm BH 90 CO 0 2000pp...

Page 12: ...m 11 Declaration To keep continued product improvement Bosean reserves the right to change design features without prior notice Henan Bosean Electronic Technology Co Ltd No 228 West 4th Ring National...

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