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Bosean Electronic Technology Co.,Ltd

www.bosean.com

Tel:86-371-86533226

Email:

[email protected]

- 2 -

specified by the Customer in advance.

Alarm set points: see attached table 1.
Accuracy:

±5% F.S.

Response time: T<30s

Indication: LCD indicates the time and state

Indication of alarm, fault and low voltage with LED, sound, vibration

Operating Environment:
Operating temperature -40

℃~

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: 2 years
Protection category: IP65
Weight: about 130g (including battery but without accessories)
Dimension: 100mm×58mm×30mm

3. Structure & Function

3.1 Appearance

1

Alarm light

5

Buzzer

2

Buttons

6

USB charging connection

3

LCD screen

7

Sensor

4

Back clip

8

Back clip

3.2 Detector structure:

the main shell, circuit boards, batteries, display, sensors,

chargers of the components.

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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