O2+Ex+CO+H2S 4 In 1 Portable Multi Gas Detector Monitor Analyzer Combustible Gas Leakage Detection



This is a 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

Operating & Storage Environment

Temperature: -20℃~55℃ (-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

Combustible gas (LEL): plug-in catalytic combustion 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%
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 145x69x28mm(L×W×H)

Compound Gas Analyzer Packing accessories:

  • 1 * metal aluminum case
  • 1 * host
  • 1 * manual
  • 1 * Repair card
  • 1 * USB data cable
  • 1 * Charger,
  • 1 * lanyard
  • 1 * set the cover
  • 1 * nuts

Compound Gas Analyzer Features:

Support more than 30 kinds of sensors, flexible configuration, according to customer needs to customize the gas

The product of the default three kinds of gas detection: : gas (EX), oxygen (O2), carbon monoxide (CO)

  • 1. Industrial-grade sensor, high precision, real data, strong stability, real-time detection, can view the historical alarm data, and has a data storage function
  • 2. Four alarm mode (sound, light, vibration, display) is not easy to ignore, high security, high and low alarm value can be set free
  • 3. High-strength ABS material, waterproof, dustproof, explosion-proof, three anti-design
  • 4. Data connected to the computer, can store 500 sets of alarm records, with the software, you can query the alarm data, export, easy to compare the analysis of data changes
  • 5. Simple operation, bilingual, three buttons, powerful, 2.4-inch LCD screen, resolution 320 * 240 HD interface display, clear and comfortable. Chinese and English bilingual settings

    We can tailor made combination of FOUR / THREE / TWO different gas below into one reader upon customer request. Contact us to get a quote: enquiries@winsensors.com

    Other Gas Options

    Model Range L-alarm H-alarm
    CO 0-1000ppm 35ppm 200ppm
    O2 0-30%vol 19.5%vol 23.5%vol
    H2 0-100%LEL 20%LEL 50%LEL
    H2S 0-100ppm 10ppm 20ppm
    CH4 0-100%LEL 20%LEL 50%LEL
    C2H4O 0-20ppm 10ppm 15ppm
    C2H4 0-100%LEL 20%LEL 50%LEL
    C3H8 0-100%LEL 20%LEL 50%LEL
    C2H5OH 0-100%LEL 20%LEL 50%LEL
    NH3 0-100ppm 25ppm 50ppm
    CL2 0-20ppm 5ppm 10ppm
    O3 0-20ppm 5ppm 10ppm
    SO2 0-20ppm 2ppm 5ppm
    PH3 0-20ppm 0.3ppm 5ppm
    CO2 0-50000ppm 1000ppm 2000ppm
    NO 0-250ppm 20ppm 50ppm
    NO2 0-20ppm 5ppm 10ppm
    HCN 0-500ppm 10ppm 20ppm
    HCL 0-50ppm 10ppm 20ppm
    CH2O 0-10ppm 2ppm 5ppm


    20ppm 50ppm
    C6H6 0-100ppm 20ppm 50ppm