This Multi-gas detector is a kind of mini size and high accuracy portable multi-gas detector.

Easy to operate, comprehensive functions can measure 4 common gas hazards:
carbon monoxide, hydrogen sulphide, flammable gases and oxygen depletion, other multi gases are available for customization.

The detector is with a back clip, protected by silicone case, suitable for different kinds of situations.


Carbon monoxide (CO) is a poisonous, colourless, odourless, and tasteless gas.

CO is a common industrial hazard resulting from the incomplete burning of natural gas and any other material containing carbon such as gasoline, kerosene, oil, propane, coal, or wood.

At standard temperature and pressure, two atoms of the element bind to form dioxygen, a colourless and odourless diatomic gas with the formula O. 2.

Diatomic oxygen gas constitutes 20.8% of the Earth’s atmosphere. As compounds including oxides, the element makes up almost half of the Earth’s crust.

Hydrogen sulfide (H2S) is a colourless gas known for its “rotten egg” smell. It is extremely flammable and highly toxic.

Hydrogen sulfide may be a safety issuefor workers in a number of industries, including oil and gas refining, mining, tanning, pulp and paper processing, and rayon manufacturing.

It also occurs in sewers, manure pits, water wells, oil and gas wells and volcanoes.

Hydrogen sulfide is also known as sewer gas, swamp gas, stink gas and sour damp


  1.  Employ original imported high-precision sensor.
  2.  Four random gas sensors can be combined freely.
  3.  LCD dot matrix display, support Chinese and English operation.
  4.  The gas concentration unit PPM and mg/m3 can be shifted quickly.
  5.  The battery and voltage can be checked by one press.
  6.   One press to restore factory settings.
  7.  Ultra-high buzzer alarm sound, alarm with sound, light and vibration at the same time.
  8.  Can record 100 sets alarm data, alarm record can be checked on the device.
  9.  The data storage function can record 100 thousand set data, historical data can be viewed on the device (optional function).
  10.  Rechargeable lithium polymer battery of large capacity, which ensures the device to work
    continuously for a long time.
  11.  Strong and upscale alligator clip, convenient to take along during operation.
  12.  Special engineering plastics housing of high intensity, strong and durable, exquisite and comfortable in touch.


Sampling Method Diffusion
Detected Gas CO, O2, H2S, EX
Measure Range 0-1000ppm(CO),0-30%VOL(O2),0-100ppm(H2S),0-100%LEL(EX)
Resolution 1ppm(CO),0.1%VOL(O2),0.1ppm(H2S),1%LEL(CH4)
Precision ≤±3%F.S.
Display Mode Monochrome dot matrix 128*128 LCD display
Blacklight Time of blacklight is settable when alarm the blacklight will be auto on
Data Recording The storage capacity of over one hundred thousand sets. Interval time ranges from 10-3600 seconds are settable (optional function)
Alarm Recording Can record 10000 set alarm record can be checked on the device (optional function)
Language English/Chinese
Alarm Type Sound light, vibration
Battery 3.7V rechargeable lithium battery, with a capacity of 2300mah
Working Time 14h continuously (common 4 gases). (with LEL sensor)
Charger Travel Charger with USB charging time 4_6 h
Explosion-Proof Grade Exia ll CT3
Protection Grade IP65
Working Temperature  -20c ~50c
Working Humidity 0-95%RH (Non-condensing, a filter dryer is needed in environment of humidity more than 90%RH)
Housing Material ABS+LEATHER CASE
Dimension 131*83*35mm (length,width,height)
Weight 240g


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