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| Categories | Multi Gas Detector |
|---|---|
| Brand Name: | Bosean |
| Model Number: | BH-4A |
| Certification: | CE,FCC,ATEX,ROHS,SIL |
| Place of Origin: | Zhengzhou,Henan,China |
| MOQ: | Negotiable |
| Price: | Negotiable |
| 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-4A Multi Gas Detector Alarm |
| Color: | Yellow |
| Detecting Gas: | Co, H2s, O2, Lel |
| 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 |
Description
Designed for enhanced battery operation and improved functionality in cold weather environments. For simple, cost-effective management of your records, calibration and bump testing, choose BW's MicroDock II automatic test and calibration system and Fleet Manager II software.
1) Advanced MCU control with low power consumption
2) Adjustable low and high alarm level
3) Adjustable calibrating level
4) High concentration protection for combustible gas
5) Self test for the combustible gas sensor
6) Low battery indication
7) Replaceable sensor module
8) Self-adjustment function
9) Visual and audible alarm with vibration
10) STEL and TWA alarming for toxic gases
11) Advanced self-examination and self-renovation function
12) Password management to avoid wrong operation
13) Explosive proof housing
| Operating & Storage Environment | Temperature: -20°C~55°C (-4F~122F) Humidity: 5%-95% (Relative humidity non-condensing) Pressure: 95~110kPa | ||
| Sampling method | Diffusion type | ||
| Detecting Range | CO: 0~1000ppm H2S:0~100 PPM O2: 0~30%vol Combustible Explosive Gas (Ex / LEL / CH4): 0~100%LEL | ||
| Sensor | O2 /H2S / CO: plug-in electrochemical sensor Combustible gas (LEL): plug-in catalytic combustion sensor | ||
| Alarm Type | low & high alarm, multiple gas alarm, sensor alarm, battery low alarm, prompt tone, automatic shutdown alarm | ||
| Resolution | 0.1%VOL (O2), 1ppm (CO), 0.1ppm (H2S), 1%LEL (EX) | ||
| Accuracy | 3% F.S | ||
| Response time | 10s | ||
| Repeatability | 1% | ||
| Zero drift | 1% | ||
| Display | Alphanumeric large LCD displays the real time gas concentration and alarm stage | ||
| Backlight | Automatically activated when working in poor lighting environment or the alarm sounding or the button is knobbed down. | ||
| Self-checking Function | Self-checking Battery power, display, sensor, hardware failure | ||
| Explosion-proof | EXiaIICT4 | ||
| Protection grade | IP65 | ||
| Power Supply | Rechargeable lithium battery | ||
| Dimensions | 130mm*67mm*30mm | ||
Application
Our customers and patent certificate
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