Product Description
Bosean BH-4A 4 In 1 Gas Detector
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Detector 4 kinds of gas from Bosean. industrial grade
Detect:
- Oxygen (O2)
- Carbon Monoxide (CO)
- Hydrogen Sulfide (H2S)
- Explosive gases (EX/LEL/CH4)
Features Bosean BH-4A 4 In 1 Gas Detector
- Astigmatic design is applied to rugged surroundings
- Continuously gas concentration and composition colorful LCD real-time display
- Rechargeable lithium battery (continuous working period can be 16~18 hours)
- Concentration units ppm and mg/m3 can be switched
- Built-in vibration alarm which is applied for noisy environment
- Two stage alarm threshold: the low alarm and high alarm point can be adjusted
- Simple automatic calibration program and plug-in replaceable sensor
- Fully functional self-testing: sensor, integrity of battery and circuit, acoustic & visual & vibration three-stage alarm
- Portable & light weight
Specifications Bosean BH-4A 4 In 1 Gas Detector
| Operating & Storage Environment | Temperature: -20C~55C Humidity: 5%-95% Pressure: 95~110kPa |
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| 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 |
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| Sensor | O2 /H2S / CO: plug-in electrochemical sensor Combustible gas (LEL): plug-in catalytic combustion sensor |
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| Alarm Type | Low & high alarm Multiple gas alarm Sensor alarm Battery low alarm Prompt tone Automatic shutdown alarm |
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| 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 | |||
| Weight | 400g | |||
| Dimensions | 130mm*67mm*30mm | |||
Bosean BH-4 Datasheet
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