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ATEX Certified Portable Multi Gas Detector High Precision For CO O2 H2S LEL CH4

Categories Multi Gas Detector
Brand Name: Bosean
Model Number: BH-4S
Certification: CE,FCC,ATEX,ROHS,SIL
Place of Origin: Zhengzhou,Henan,China
MOQ: 1pcs
Price: USD 130-200/PCS
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 1000PCS/DAY
Delivery Time: 5-8 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-4s Multi Gas Detector Alarm
Size: 145*69*28mm
Detecting Gas: Co, H2s, O2, Lel
Alarm Type: Sound+Light+Vibration+Visual
Display: LCD Screen
Response Time: 30s
Work Temperature: -20~60 Degree
Certificate: Atex
Sampling Method: Diffusion Sampling
Application: 12 Months
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ATEX Certified Portable Multi Gas Detector High Precision For CO O2 H2S LEL CH4

ATEX certified Bosean Portable multi gas detector Detected With Diffusion High Precision for CO, O2, H2S, LEL, CH4

Description

BH-4s portable multi gas detector could detect combustible gas, O2 and other two types toxic gases continuously and simultaneously. It is widely used in the area where explosion-proof is required or toxic gas leaks, like underground channels or mining industry,

so as to protect the workers' life and avoid damage on the relevant equipments.

Parameters

Operating & Storage EnvironmentTemperature: -20°C~55°C (-4F~122F)
Humidity: 5%-95% (Relative humidity non-condensing)
Pressure: 95~110kPa
Sampling methodDiffusion type
Detecting RangeCO: 0~1000ppm
H2S:0~100 PPM
O2: 0~30%vol
Combustible Explosive Gas (Ex / LEL / CH4): 0~100%LEL
SensorO2 /H2S / CO: plug-in electrochemical sensor
Alarm Typelow & high alarm, multiple gas alarm, sensor alarm, battery low alarm, prompt tone, automatic shutdown alarm
Resolution0.1%VOL (O2), 1ppm (CO), 0.1ppm (H2S), 1%LEL (EX)
Accuracy3% F.S
Response time10s
Repeatability1%
Zero drift1%
Data record500 pcs of data storage
DisplayAlphanumeric large LCD displays the real time gas concentration and alarm stage
BacklightAutomatically activated when working in poor lighting environment or the alarm sounding or the button is knobbed down.
Self-checking FunctionSelf-checking Battery power, display, sensor, hardware failure
Explosion-proofEXiaIICT4
Protection gradeIP65
Power SupplyRechargeable lithium battery

Main Features

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


Application

The detector is suitable for explosion-proof, toxic gas leakage and rescue, underground pipelines, mines, metallurgy, power plants, chemicals, tunnels, etc., effectively avoiding the occurrence of poisoning accidents, ensuring the safety of workers and avoiding losses of production equipment.


Detailed





Measurable Gas Meter

NoDetecting GasGasMeasure RangeResolutionAlarm Point
(High / Low)
1Combustible GasEX0-100%LEL /0-100%VOL1%LEL/1%VOL20 / 50% LEL
2OxygenO20-25% /30%VOL0.1%VOL19.5% / 23.5%VOL
3Hydrogen SulfideH2S0-50/100/200/1000 ppm0.1 ppm10 / 20 ppm
4Carbon MonoxideCO0-500/1000/2000/5000 ppm1 ppm50 / 150 ppm
5Nitrogen DioxideNO20-20/50/1000 ppm0.1 ppm5 / 10 ppm
6Nitric OxideNO0-250/500/1000 ppm1 ppm50 / 150 ppm
7Carbon DioxideCO20-5000 ppm /0-1%/5%/10%VOL1 ppm/0.1%VOL1000 /2000 ppm
8Sulfur DioxideSO20-20/50/100/200/1000 ppm0.1 /1 ppm5 / 10 ppm
9ChlorineCL20-20/100/1000 ppm0.1 ppm5 / 10 ppm
10AmmoniaNH30-50/100/500/1000 ppm0.1 ppm20 / 50 ppm
11HydrogenH20-1000/5000 ppm1 ppm50 /150 ppm
12PhosphinePH30-5/20/50/100/500/1000 ppm0.1 ppm5 / 10 ppm
13Hydrogen ChlorideHCL0-20/500/1000 ppm0.01/0.1 ppm5 / 10 ppm
14Chlorine DioxideCLO20-10/50/100 ppm0.1 ppm5 / 10 ppm
15Hydrogen CyanideHCN0-50/100 ppm0.01/0.1 ppm10 / 20 ppm
16Ethylene OxideC2H4O0-10/20/50/100/200/500 ppm0.1 /1 ppm20 / 50 ppm
17OzoneO30-10/20/100 ppm0.1 ppm2 / 5 ppm
18FormaldehydeCH2O0-20/50/100 ppm0.1 /1 ppm5 / 10 ppm
19Hydrogen FluorideHF0-1/10/50/100 ppm0.01 /0.1 ppm2 / 5 ppm
20Methylbenzene0-1/10/20/50/100 ppm0.01 /0.1 ppm5 / 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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