Download Print this page
Bosean Electronic Technology BH-90a User Manual

Bosean Electronic Technology BH-90a User Manual

Portable single gas detector

Advertisement

Quick Links

BH-90a
Portable Single gas Detector
User Manual
Ver: BSA20150424005
Bosean Electronic Technology Co.,Ltd
ISO9001-2008

Advertisement

loading

Summary of Contents for Bosean Electronic Technology BH-90a

  • Page 1 BH-90a Portable Single gas Detector User Manual Ver: BSA20150424005 Bosean Electronic Technology Co.,Ltd ISO9001-2008...
  • Page 2: Features And Specifications

    To avoid personal safety injury, Instrument damage and potential dangerous accident; do not use the product before reading this manual. 1. Description BH-90a portable single gas detector can make continuous detection to combustible and toxic gases. It is suitable for combustible and toxic gas leakage detection in underground pipe or mines, and keeps the workers safe, prevents the facilities from being destroyed.
  • Page 3: Structure And Function

    Bosean Electronic Technology Co.,Ltd www.bosean.com 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: -10℃~55℃...
  • Page 4: Operation And Function

    Bosean Electronic Technology Co.,Ltd www.bosean.com 4. Operation & Function 25.5 ℃ 10:45 4.1 Display Elements Gas type 10:45 Time Full voltage Concentration value 25.5 ℃ Temperature 4.2 Push buttons Push button Description To active the detector, press and hold it for 5 seconds ...
  • Page 5 Bosean Electronic Technology Co.,Ltd www.bosean.com 4.4 Turn off To deactivate the detector, press key, then it displays the following information: At this time, the buzzer gives beep sound. After 3 seconds, when it displays the following figure on the screen, loosen the key.
  • Page 6 Bosean Electronic Technology Co.,Ltd www.bosean.com Parameter setting of the detector Display Description 1. Zero function setting Press the button in the menu interface, the interface shown as Figure 14: press key to enter into the zero setting page as Figure 5: press the button ▲...
  • Page 7 Bosean Electronic Technology Co.,Ltd www.bosean.com value is stable after 2 minutes, press “SAVE” calibration is done. The rate of flow 500ml/min is recommended. Fig11 Fig12 Time setting Press the button in the menu interface, move the cursor with▼ key, choose the set time, the year interface shown as Figure 13: press →...
  • Page 8 Bosean Electronic Technology Co.,Ltd www.bosean.com Fig17 Low alarm setting Enter “LA set” menu, use ▲ to adjust the cursor, use ▼ to adjust the value, choose the right value and press “SAVE”. then it will return the normal detecting interface...
  • Page 9 Bosean Electronic Technology Co.,Ltd www.bosean.com Alarm type Low alarm: Short slow alarm tone; The alarm indication is yellow; The red alarm light flashes; Device vibrates . High alarm: Abnormal harsh alarm tone; The alarm indication is red; The red alarm light flashes;...
  • Page 10: Standard Accessories

    Bosean Electronic Technology Co.,Ltd www.bosean.com No response to Zero drift Calibrate zero point detected Fault of electric circuit Please contact the manufacturer Please contact manufacturer to Inaccurate indication Sensor is overdue replace gas senor Uncalibrated for long time Please calibrate it in time...
  • Page 11 Bosean Electronic Technology Co.,Ltd www.bosean.com Affix. Table1 Model Range L-alarm H-alarm □BH-90A-CH4 0-100%LEL 20%LEL 50%LEL □BH-90A-C3H8 0-100%LEL 20%LEL 50%LEL □BH-90A-H2 0-100%LEL 20%LEL 50%LEL □BH-90A-H2 0-1000ppm 35ppm 250 ppm □BH-90A-H2S 0-100ppm 10ppm 15ppm □BH-90A-H2S 0-100ppm 10ppm 20ppm □BH-90A-CO 0-1000ppm 35ppm 200ppm □BH-90A-CO...
  • Page 12 Bosean Electronic Technology Co.,Ltd www.bosean.com 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 High-Tech zone,Zhengzhou,China Tel: +86 371 86533226 Fax: +86 371 86533226 Website: www.bosean.com...