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Brand Name : Bosean
Model Number : bh-90
Certification : CE,FCC,ATEX,ROHS,SIL
Place of Origin : Zhengzhou,Henan,China
MOQ : 1pcs
Price : USD60-120/PCS
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability : 1000PCS/DAY
Delivery Time : 3-8 WORK DAYS
Packaging Details : each set detector alarm will be packed with the export standard carton package or aluminum box or as per customer require
Product Name : Bh-90A Single Gas Detector
Color : Yellow
Detecting Gas : Co, H2s, O2, Lel etc
Battery : Rechargeable Lithium Battery
Sampling : Diffusion
Response Time : 30s
Work Temperature : -20~60 Degree
Certificate : Atex
Sampling Method : Diffusion Sampling
Application : 12 Months
Sensor : Catalytic or Electrochemical or Infrared
Indication : LCD Indicates
BH-90 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.
 The detector, adopting excellent-quality sensor, makes detection in the way of natural diffusion. It has good sensitivity and reproducibility. 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.







| Gas Detected | combustible gas (CH4,C3H8,H2) and toxic gas, oxygen, Other rare toxic gas like ammonia , NO,PH3,NH3,NO2,HCN, SO2 etc also available, Can be specified by the Customer in advance | 
| Accuracy | <±5% F.S. | 
| Response time | T<30s | 
| Indication of alarm | fault and low voltage with LED, sound, vibration | 
| Sampling Method | Natural diffusion | 
| Display | Large LCD display | 
| Alarm Method | Sound, light, vibration | 
| Operating Environment | Operating temperature -40ºC~70ºC (for combustible gas) Operating temperature: -20ºC~50ºC (for toxic gas) | 
| Humidity | <90%RH non-condensing | 
| Operating voltage | DC3.6V Li battery 1200mAh | 
| Working time | Combustible gas: < 8h continuously Toxic gas: <300h continuously Charging time:4h~6h | 
| Sensor life | 2 years | 
| Protection category | IP65 | 
| Weight | about 130g (including battery but without accessories) | 
| Dimension | 100mm*58mm*40mm | 
| Certificate | CE, CNEX, ATEX, FCC, RoHS. | 
Application
  
 
 
  
 Our customers and patent certificate

| No | Detecting Gas | Gas | Measure Range | Resolution | Alarm Point (High / Low) | 
| 1 | Combustible Gas | EX | 0-100%LEL /0-100%VOL | 1%LEL/1%VOL | 20 / 50% LEL | 
| 2 | Oxygen | O2 | 0-25% /30%VOL | 0.1%VOL | 19.5% / 23.5%VOL | 
| 3 | Hydrogen Sulfide | H2S | 0-50/100/200/1000 ppm | 0.1 ppm | 10 / 20 ppm | 
| 4 | Carbon Monoxide | CO | 0-500/1000/2000/5000 ppm | 1 ppm | 50 / 150 ppm | 
| 5 | Nitrogen Dioxide | NO2 | 0-20/50/1000 ppm | 0.1 ppm | 5 / 10 ppm | 
| 6 | Nitric Oxide | NO | 0-250/500/1000 ppm | 1 ppm | 50 / 150 ppm | 
| 7 | Carbon Dioxide | CO2 | 0-5000 ppm /0-1%/5%/10%VOL | 1 ppm/0.1%VOL | 1000 /2000 ppm | 
| 8 | Sulfur Dioxide | SO2 | 0-20/50/100/200/1000 ppm | 0.1 /1 ppm | 5 / 10 ppm | 
| 9 | Chlorine | CL2 | 0-20/100/1000 ppm | 0.1 ppm | 5 / 10 ppm | 
| 10 | Ammonia | NH3 | 0-50/100/500/1000 ppm | 0.1 ppm | 20 / 50 ppm | 
| 11 | Hydrogen | H2 | 0-1000/5000 ppm | 1 ppm | 50 /150 ppm | 
| 12 | Phosphine | PH3 | 0-5/20/50/100/500/1000 ppm | 0.1 ppm | 5 / 10 ppm | 
| 13 | Hydrogen Chloride | HCL | 0-20/500/1000 ppm | 0.01/0.1 ppm | 5 / 10 ppm | 
| 14 | Chlorine Dioxide | CLO2 | 0-10/50/100 ppm | 0.1 ppm | 5 / 10 ppm | 
| 15 | Hydrogen Cyanide | HCN | 0-50/100 ppm | 0.01/0.1 ppm | 10 / 20 ppm | 
| 16 | Ethylene Oxide | C2H4O | 0-10/20/50/100/200/500 ppm | 0.1 /1 ppm | 20 / 50 ppm | 
| 17 | Ozone | O3 | 0-10/20/100 ppm | 0.1 ppm | 2 / 5 ppm | 
| 18 | Formaldehyde | CH2O | 0-20/50/100 ppm | 0.1 /1 ppm | 5 / 10 ppm | 
| 19 | Hydrogen Fluoride | HF | 0-1/10/50/100 ppm | 0.01 /0.1 ppm | 2 / 5 ppm | 
| 20 | Methylbenzene | 0-1/10/20/50/100 ppm | 0.01 /0.1 ppm | 5 / 10 ppm | 
Note: The above table is a general parameter. If you need other gas and range, please contact our online customer service.
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