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| Categories | Combustible Gas Detector | 
|---|---|
| Brand Name: | Bosean | 
| Model Number: | BH-4S | 
| Certification: | CE ATEX SIL | 
| Place of Origin: | Henan China | 
| MOQ: | 1pcs | 
| Price: | USD80-330/PCS | 
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram | 
| Supply Ability: | 200pcs/day | 
| Delivery Time: | 1-5 work days | 
| Packaging Details: | each set gas detector will be packed with the export standard carton package or aluminum box or as per customer require | 
| gas sampling method: | natural diffusion | 
| Alarm methods: | sound light vibration curve display | 
| Sensor life: | 2 years | 
| Charging time: | <7 hours | 
| Product name: | Four gas detector | 
| Detecting gas: | Combustible Gas | 
Combustible Gas Detector combustible gas indicator 4 in 1 combustion gas detector
product description
BH-4S portable compound gas detector is used for rapid detection of various gas concentrations, high measurement accuracy, good stability, small size, light weight, waterproof, dustproof, explosion-proof, LCD adopts advanced circuit design, mature kernel algorithm Processing, unique shape design, obtained a number of patents such as software works and appearance. The machine is suitable for detecting gas concentration in pipelines or in confined spaces and atmospheric environments; gas leakage. More than 500 kinds of gas are detected.
Advantage
Curve display: Can display changes of different gas concentrations of a period of time, to help observe and analyzer date
Alarm methods:indicate alarm by sound,light,vibration,and curve display in different colors,User can set high low alarm point according to actual need.
USB date transmission interface:By installing our software,user can upload records to computer, which makes it easier to do analysis.
International certification:ATEX,KA.MA,CNEX,CE,SIL

products paraments
| 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 | 
| 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% | 
| Data record | 500 pcs of data storage | 
| 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 | 

Support gas
| No. | Detected Gas | Detecting Scope | Resolution | Low/High Alarm Point | Response Time | Detection Accuracy | 
| 1 | PH3 | 0-20ppm | 0.1ppm | 5ppm/10ppm | ≤25s | ±5%(F.S) | 
| 2 | O2 | 0-30%vol | 0.1%vol | 19.5%vol/23.0%vol | ≤15s | ±5%(F.S) | 
| 3 | EX | 0-100%LEL | 1%LEL | 25%LEL/50%LEL | ≤5s | ±5%(F.S) | 
| 4 | CO | 0-1000ppm | 1ppm | 50ppm/100ppm | ≤25s | ±5%(F.S) | 
| 5 | H2S | 0-100ppm | 1ppm | 10ppm/20ppm | ≤30s | ±5%(F.S) | 
| 6 | NO2 | 0-20ppm | 0.1ppm | 3ppm/10ppm | ≤25s | ±5%(F.S) | 
| 7 | NO | 0-250ppm | 1ppm | 25ppm/50ppm | ≤60s | ±5%(F.S) | 
| 8 | SO2 | 0-20ppm | 0.1ppm | 5ppm/10ppm | ≤30s | ±5%(F.S) | 
| 9 | CL2 | 0-20ppm | 0.1ppm | 1ppm/10ppm | ≤30s | ±5%(F.S) | 
| 10 | NH3 | 0-100ppm | 1ppm | 25ppm/50ppm | ≤50s | ±5%(F.S) | 
| 11 | H2 | 0-1000ppm | 1ppm | 50ppm/100ppm | ≤60s | ±5%(F.S) | 
| 12 | HCN | 0-10ppm | 0.1ppm | 1ppm/5ppm | ≤200s | ±5%(F.S) | 
| 13 | HCL | 0-10ppm | 0.1ppm | 1ppm/5ppm | ≤60s | ±5%(F.S) | 
| 14 | CH4 | 0-100%LEL | 1%LEL | 25%LEL/50%LEL | ≤5s | ±5%(F.S) | 
Note: Other gas and measure range not listed are all support customize, please contact us for more details.

FAQ
Q1:Are you a trading company or manufacturer ?
A1:We are manufacturer.
Q2:What about the payment method?
A2:T/T, Paypal, Western Union, L/C is available.
Q3:Does your company accept customization?
A3:We do customizing service for customers.
Q4:What about the Shipment?
A4:We'll choose proper transportation mode based on the weight of goods, usually arrange shipment by air express such as DHL,FEDEX,TNT or UPS.
Q5:What about after-sale service?
A5:12 months warranty for all kinds of products.
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