Beijing Dashiweiye Tech Co., Ltd.
Main products:Power Meter Enclosure,Thermostat Enclosure,Portable Gas Detector,Medical Equipment Enclosure,Monitoring System Enclosure
Contact Us
  • Contact Person : Ms. Han Lily
  • Company Name : Beijing Dashiweiye Tech Co., Ltd.
  • Tel : 86-10-62545258
  • Fax : 86-10-82673292
  • Address : Beijing,Beijing,Room906,Yifang Building,No.13,Haidian Nan Lu, Haidian District, Beijing
  • Country/Region : China
  • Zip : 100080

portable 2 in 1 gas detector equipment

portable 2 in 1 gas detector equipment
Product Detailed
1. Compact size , light weight, rugged ABS+PC case 2. Two gas sensors in one device multi-functional 3. Welcome OEM


We, Beijing Dashiweiye Tech Co, Ltd., is grown out of Haolian Design Center. We design and produce plastic enclosures of electrical devices. Providing the product design service, making plastic injection mold and producing the plastic parts according to our customer's requirement is our main business scope in recent twenty years.  Gas detectors are the most important business scope of ours. Our designers and engineers have much experience to produce the portable different gas detectors using in the industry , above the ground or underground. We aim to be the leading supplier of gas detection equipment for the protection of personal and facilities around the world. 




it’s used in industrial or mining applications, including underground Coal Mine, petrochemical, metallurgical, chemical, municipal gas, and other places at the scene detection;


Technical specification



Technical indicator


Measuring range

 CO: ( 0~1000) ppm; ( 0.00~4.00 ) %CH4

Measurement error

CO: ( 0~20 )ppm: ±2ppm; ( 20~100 )ppm: ±4ppm

( 100~ 500)ppm: true value±5%; (500~1000ppm:true value±6%

CH4: ( 0.00~1.00 ) %CH4:±0.10% CH4

( 1.00~3.00 ) %CH4:(true value)±0.10%

( 3.00~4.00 ) %CH4:±0.30%CH4

Resolution ratio

CO:  1ppm;

Ch4: 0.01%CH4


Liquid crystal display(LCD)display

Response time

CO: ≤45s (T90); CH4: ≤20S ( T90 )

Alarm sound intensity


Alarm light

≥20M visible

Alarm point

can be set  in full proceed (factory setting 24ppm)

Alarm way

Sound, light

Continuous working time

>3 months ( without backlight)

Sensor lifetime

≥2 year

Working current

< 1mA ( without backlight)

Battery model


Charging time

4-5 hours

Protection degree





Besides our own gas detectors, we have customized many kinds of gas detectors for our customers in the world. If you have any request on the plastic enclosure, electronics,  or technical specifications on the gas detectors, welcome you contact with me. we are very glad to customize the product you want according to your requirement. 

portable 2 in 1 gas detector equipment

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