WPCK81 Level Transmitter
WPCK81 Level Transmitter
MEu-H2S Hydrogen Sulfide Gas Sensor
MEu-H2S Hydrogen Sulfide Gas Sensor
  • Hydrogen Sulfide(H2S)
  • 0~100ppm
  • Read More
MEu-2CO Carbon Monoxide Sensor Over 7 years lifetime
MEu-2CO Carbon Monoxide Sensor Over 7 years lifetime
  • Carbon monoxide(CO)
  • 0~500ppm,Max Range 1000ppm
  • Read More
MEu-2O2 Oxygen Sensor
MEu-2O2 Oxygen Sensor
  • O2
  • 0~25% VOL
  • Read More
WPAH01 Ceramic Pressure Sensor
WPAH01 Ceramic Pressure Sensor
MEu-O2 Oxygeon Sensor
MEu-O2 Oxygeon Sensor
  • Oxygen(O2)
  • 0~25% VOL
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ME2-O2-Ф20 Oxygen Sensor
ME2-O2-Ф20 Oxygen Sensor
  • O2
  • 0~25%Vol
  • Read More
ME3-CH2O Electrochemical Formaldehyde Sensor
ME3-CH2O Electrochemical Formaldehyde Sensor
  • CH2O
  • 0~10ppm
  • Read More
ME3-HCL gas sensor
ME3-HCL gas sensor
  • HCL
  • 0~20ppm
  • Read More
MH-741A Infrared CH4 Gas Sensor
MH-741A Infrared CH4 Gas Sensor
  • Combustible gas
  • 0~100%VOL optional
  • Read More
ZC01 Methane Module for Mine Use
ZC01 Methane Module for Mine Use
  • CH4 gas
  • Read More
ZC02 Methane Module for Mine Use
ZC02 Methane Module for Mine Use
  • CH4 gas
  • Read More
MQ-7B Semiconductor Sensor for Carbon Monoxide
MQ-7B Semiconductor Sensor for Carbon Monoxide
  • CO
  • 10-500ppm
  • Read More
MQ-9B Semiconductor Sensor for Carbon Monoxide
MQ-9B Semiconductor Sensor for Carbon Monoxide
  • CO,CH4
  • CO(10-500ppm),CH4(300-10000ppm)
  • Read More
Electrochemical Detection Module ZE03
Electrochemical Detection Module ZE03
  • CO,O2,NH3,H2S,NO2,O3,SO2, CL2,HF,H2,PH3,HCL, etc.
  • See manual
  • Read More
MH-742B Combustible Gas Sensor
MH-742B Combustible Gas Sensor
  • Combustible gas
  • 0~100% Vol optional
  • Read More
MH-441D NDIR Infrared CH4 Sensor
MH-441D NDIR Infrared CH4 Sensor
  • CH4
  • 0~10% Vol optional
  • Read More
MH-440D NDIR Infrared CH4 Sensor
MH-440D NDIR Infrared CH4 Sensor
  • CH4
  • 0~10% Vol optional
  • Read More
MH-712B Infrared CO2 Gas Sensor
MH-712B Infrared CO2 Gas Sensor
  • CO2
  • 0~5% Vol optional
  • Read More
MH-411D NDIR Infrared CO2 Sensor
MH-411D NDIR Infrared CO2 Sensor
  • CO2
  • 0~10% Vol optional
  • Read More
MH-711A Infrared CO2 Gas Sensor
MH-711A Infrared CO2 Gas Sensor
  • CO2
  • 0~5% Vol optional
  • Read More
MH-410D NDIR Infrared CO2 Sensor
MH-410D NDIR Infrared CO2 Sensor
  • CO2
  • 0~10% Vol optional
  • Read More
MC119 Catalytic Flammable Gas Sensor
MC119 Catalytic Flammable Gas Sensor
  • hydrogen, acetylene, gasoline, VOC such as alcohol, ketone, benzene.
  • 0-100%LEL Anti-explosion Mark:ExdibⅠ
  • Read More
MC114/MC114C Catalytic Flammable Gas Sensor
MC114/MC114C Catalytic Flammable Gas Sensor
  • Combustible gases such as industrial natural gas,LPG, coal gas and alkanes
  • 0-100%LEL Anti-explosion Mark:ExdibⅠ
  • Read More
MC113/ MC113C Catalytic Flammable Gas Sensor
MC113/ MC113C Catalytic Flammable Gas Sensor
  • Combustible gases such as industrial natural gas,LPG, coal gas and alkanes
  • 0-100%LEL(Anti-explosion Mark:ExdibⅠ)
  • Read More
MC112/MC112C/MC112D Catalytic Flammable Gas Sensor
MC112/MC112C/MC112D Catalytic Flammable Gas Sensor
  • Combustible gases such as industrial natural gas,LPG, coal gas and alkanes
  • 0-100%LEL(Anti-explosion Mark:ExdibⅠ)
  • Read More
ME4-ETO Ethylene Oxide Gas Sensor
ME4-ETO Ethylene Oxide Gas Sensor
  • C2H4O
  • 0-20ppm, Max 100ppm
  • Read More
ME4-SO2 Sulfur Dioxide Gas Sensor
ME4-SO2 Sulfur Dioxide Gas Sensor
  • SO2
  • 0-20ppm, Max 200ppm
  • Read More
ME4-H2S Hydrogen Sulfide Gas Sensor
ME4-H2S Hydrogen Sulfide Gas Sensor
  • H2S
  • 0-100ppm, Max 500ppm
  • Read More
ME4-NO2 Nitrogen Dioxide Gas Sensor
ME4-NO2 Nitrogen Dioxide Gas Sensor
  • NO2
  • 0-20ppm, Max 150ppm
  • Read More
ME4-NH3 Ammonia Gas Sensor
ME4-NH3 Ammonia Gas Sensor
  • NH3
  • 0-50ppm, Max 200ppm
  • Read More
ME4-H2 Hydrogen Gas Sensor
ME4-H2 Hydrogen Gas Sensor
  • H2
  • 0-1000ppm, Max 2000ppm
  • Read More
ME4-CO Carbon Monoxide Gas Sensor
ME4-CO Carbon Monoxide Gas Sensor
  • CO
  • 0-1000ppm, Max 1500ppm
  • Read More
ME4-Cl2 Chlorine Gas Sensor
ME4-Cl2 Chlorine Gas Sensor
  • CL2
  • 0-20ppm, Max 100ppm
  • Read More
ME4-CO-E4 Carbon Monoxide Gas Sensor
ME4-CO-E4 Carbon Monoxide Gas Sensor
  • CO
  • 0-1000ppm, Max 2000ppm
  • Read More
ME3-HCN Hydrogen Cyanide Sensor
ME3-HCN Hydrogen Cyanide Sensor
  • HCN
  • 0-100ppm, Max 150ppm
  • Read More
ME3-NO2 Electrochemical Gas Sensor
ME3-NO2 Electrochemical Gas Sensor
  • NO2
  • 0-20ppm, Max 150ppm
  • Read More
ME3-H2S Hydrogen Sulfide Gas Sensor
ME3-H2S Hydrogen Sulfide Gas Sensor
  • H2S
  • 0-100ppm, Max 500ppm
  • Read More
ME3-CL2 Gas Sensor
ME3-CL2 Gas Sensor
  • CL2
  • 0-10ppm, Max 100ppm
  • Read More
ME3-C7H8 Gas Sensor
ME3-C7H8 Gas Sensor
  • C7H8
  • 0-500ppm, Max 1000ppm
  • Read More
ME3-CO Carbon Monoxide Gas Sensor
ME3-CO Carbon Monoxide Gas Sensor
  • CO
  • 0-1000ppm, Max 2000ppm
  • Read More
ME3-HF Gas Sensor
ME3-HF Gas Sensor
  • HF
  • 0-10ppm, Max 100ppm
  • Read More
ME3-ETO Gas Sensor
ME3-ETO Gas Sensor
  • C2H4O
  • 0-20ppm, Max 100ppm
  • Read More
ME3-CH2CHCL Gas Sensor
ME3-CH2CHCL Gas Sensor
  • CH2CHCL
  • 0-20ppm, Max 100ppm
  • Read More
ME3-NH3 Gas Sensor
ME3-NH3 Gas Sensor
  • NH3
  • 0-100ppm, Max 200ppm
  • Read More
ME3-H2 Gas Sensor
ME3-H2 Gas Sensor
  • H2
  • 0-1000ppm, Max 2000ppm
  • Read More
ME3-C6H6 Gas Sensor
ME3-C6H6 Gas Sensor
  • C6H6
  • 0-100ppm, Max 500ppm
  • Read More
ME3-PH3 Gas Sensor
ME3-PH3 Gas Sensor
  • PH3
  • 0-10ppm, Max 20ppm
  • Read More
ME3-O3 Gas Sensor
ME3-O3 Gas Sensor
  • O3
  • 0-10/20ppm, Max 50/100ppm
  • Read More
ME3-SO2/HCL Gas Sensor
ME3-SO2/HCL Gas Sensor
  • SO2, HCL
  • 0-20ppm, SO2 Max 150ppm, HCL Max 200ppm
  • Read More
ME3-C2H4 Electrochemical Gas Sensor
ME3-C2H4 Electrochemical Gas Sensor
  • C2H4
  • 0-100ppm, Max 200ppm
  • Read More

Help you compare our sensors

Table Overview for Winsen Industrial Safety and Automation

Unsure which sensor to choose, please leave your infomation or email us

Modle Detection principle Characteristics Target gas Detection range Size

WPCK81
Piezoresistive

WPCK05
Diffused Silicon

WPAK70
Diffused Silicon

MEu-H2S
Electrochemical Excellent repeatability and stability Hydrogen Sulfide(H2S) 0~100ppm

MEu-2CO
Electrochemical Excellent repeatability and stability Carbon monoxide(CO) 0~500ppm,Max Range 1000ppm

MEu-2O2
Electrochemical Low power consumption, high precision O2 0~25% VOL

WPBH01
Piezoresistive Ceramic sensitive film with high overload capacity,Laser calibration for zero and full scale φ18.0×11.8 mm

WPAH01
Piezoresistive Ceramic sensitive film with high overload capacity,Laser calibration for zero and full scale

MEu-O2
Electrochemical No pollution, long life, high precision, high sensitivity, Excellent repeatability and stability Oxygen(O2) 0~25% VOL

ME2-O2-Ф20
Electrochemical Low consumption,High precision O2 0~25%Vol

ME3-CH2O
Electrochemical Low consumption,High precision,High sensitivity CH2O 0~10ppm

ME3-HCL
Electrochemical Low consumption,High precision HCL 0~20ppm

MH-741A
NDIR High sensitivity, high resolution, low power consumption Combustible gas 0~100%VOL optional Φ44×61mm

ZC01
Catalytic CH4 gas

ZC02
Catalytic CH4 gas

WPCK07
Diffused Silicon

WPCK03
Diffused Silicon

WPAK68
Diffused Silicon

WPAK63
Diffused Silicon

MQ-7B
Semiconductor Good sensitivity to CO CO 10-500ppm φ16.7×9.4

MQ-9B
Semiconductor Good sensitivity to CO CO,CH4 CO(10-500ppm),CH4(300-10000ppm) φ16.7×9.4

ZE03
Module, electrochemical Supply UART output and analog voltage output; Use for portable and fixed gas detector, various gas detection equipment and occasion. CO,O2,NH3,H2S,NO2,O3,SO2, CL2,HF,H2,PH3,HCL, etc. See manual ø23.5mm*24.5mm

MH-742B
non-dispersive infrared (NDIR) principle 1.High sensitivity, high resolution, low power consumption; 2.Widely used for industrial field instrumentation, industrial-process control and safety protection Combustible gas 0~100% Vol optional Φ39×44 mm

MH-441D
non-dispersive infrared (NDIR) principle 1. High sensitivity, high resolution, fast response;2.Output method: UART, analog voltage signal;3. Temperature compensation, excellent linear output;4. Excellent stability, Long lifespan;5. Anti-poisons, anti-vapor interference;6. Can replace catalytic CH4 0~10% Vol optional Φ20 mm×22.2 mm

MH-440D
non-dispersive infrared (NDIR) principle 1. High sensitivity, high resolution, fast response;2. Output method: UART, analog voltage signal;3. Temperature compensation, excellent linear output;4. Excellent stability, Long lifespan;5. Anti-poisons, anti-vapor interference;6. Can replace catalytic CH4 0~10% Vol optional Φ20×22.6mm

MH-712B
non-dispersive infrared (NDIR) principle 1. High Sensitivity and resolution, low power consumption, fast response;2. Output method: UART, analog voltage output signal, etc. 3. Temperature compensation, excellent linear output;4. Good stability;5. Long lifespan;6. Anti-poisons, anti-vapor interfe CO2 0~5% Vol optional Φ39×44 mm

MH-411D
non-dispersive infrared (NDIR) principle 1. High sensitivity, high resolution, low power consumption, Fast response time; 2. Output method: UART, analog voltage signal; 3.Temperature compensation, excellent linear output; 4. Long lifespan; 5. Excellent stability;6. Anti-poisons, anti-vapor inter CO2 0~10% Vol optional Φ20 mm×22.2 mm

MH-711A
non-dispersive infrared (NDIR) principle Detect combustible gas concentration matching with flame-proof marked detector in area 1&2 explosive environments which mix of ⅡA, ⅡB, ⅡC and T1-T6 flammable gases, vapors and air CO2 0~5% Vol optional Φ44 mm×61 mm

MH-410D
non-dispersive infrared (NDIR) principle 1. High sensitivity, high resolution, low power consumption, Fast response time; 2. Output method: UART, analog voltage signal; 3.Temperature compensation, excellent linear output; 4. Long lifespan;5. Excellent stability;6. Anti-poisons, anti-vapor interf CO2 0~10% Vol optional Φ20 mm×22.6 mm

MC119
catalytic combustion "Bridge output voltage in linear, fast response, good repeatability and selectivity " hydrogen, acetylene, gasoline, VOC such as alcohol, ketone, benzene. 0-100%LEL Anti-explosion Mark:ExdibⅠ 19×9.5×14

MC114/MC114C
catalytic combustion "Bridge output voltage in linear, fast response, good repeatability and selectivity " Combustible gases such as industrial natural gas,LPG, coal gas and alkanes 0-100%LEL Anti-explosion Mark:ExdibⅠ 114: 19×9.5×14; 114C: 14×8×10

MC113
catalytic combustion Bridge output voltage in linear, fast response, good repeatability and selectivity Combustible gases such as industrial natural gas,LPG, coal gas and alkanes 0-100%LEL(Anti-explosion Mark:ExdibⅠ) 113:19×9.5×14 113C:14×8×10

MC112/MC112C/MC112D
catalytic combustion Bridge output voltage in linear, fast response, good repeatability and selectivity Combustible gases such as industrial natural gas,LPG, coal gas and alkanes 0-100%LEL(Anti-explosion Mark:ExdibⅠ) 112C:14×8×10;MC112/112D:19×9.5×14

ME4-ETO
Electrochemical Detection of ethylene oxide in petroleum and petrochemical, pharmaceutical and environmental protection fields C2H4O 0-20ppm, Max 100ppm φ32×14.5

ME4-SO2
Electrochemical Detection of sulfur dioxide in industrial and environmental protection fields SO2 0-20ppm, Max 200ppm φ32×14.5

ME4-H2S
Electrochemical Detection of hydrogen sulfide in industrial, underground mining and environmental protection fields H2S 0-100ppm, Max 500ppm φ32×14.5

ME4-NO2
Electrochemical Detection of nitrogen dioxide in industrial, underground mining and environmental protection fields NO2 0-20ppm, Max 150ppm φ32×14.5

ME4-NH3
Electrochemical Detection of ammonia in industrial and environmental protection fields NH3 0-50ppm, Max 200ppm φ32×14.5

ME4-H2
Electrochemical Detection of hydrogen in industrial and environmental protection fields H2 0-1000ppm, Max 2000ppm φ32×14.5

ME4-CO
Electrochemical Petroleum and petrochemical, metallurgy, mining and other industrial sites and environmental protection fields CO 0-1000ppm, Max 1500ppm φ32×14.5

ME4-Cl2
Electrochemical Detection of chlorine gas in chemical, pharmaceutical production and environmental protection fields CL2 0-20ppm, Max 100ppm φ32×14.5

ME4-CO-E4
Electrochemical Urban atmosphere and enterprise environmental monitoring, unorganized emission pollution gas monitoring in factories, emergency monitoring, environmental assessment and monitoring CO 0-1000ppm, Max 2000ppm φ32×14.5

ME3-HCN
Electrochemical Detection of hydrogen cyanide in petroleum and petrochemical, pharmaceutical production and environmental protection fields HCN 0-100ppm, Max 150ppm φ20×16.4

ME3-NO2
Electrochemical Detection of nitrogen dioxide in industrial, underground mining and environmental protection fields NO2 0-20ppm, Max 150ppm φ20×16.4

ME3-H2S
Electrochemical Detection of hydrogen sulfide in industrial, underground mining and environmental protection fields H2S 0-100ppm, Max 500ppm φ20×16.4

ME3-CL2
Electrochemical Detection of chlorine gas in chemical, pharmaceutical production and environmental protection fields CL2 0-10ppm, Max 100ppm φ20×16.4

ME3-C7H8
Electrochemical Detection of toluene in industrial and environmental protection fields C7H8 0-500ppm, Max 1000ppm φ20×16.4

ME3-CO
Electrochemical Petroleum and petrochemical, metallurgy, mining and other industrial sites and environmental protection fields CO 0-1000ppm, Max 2000ppm φ20×16.4

ME3-HF
Electrochemical Detection of hydrogen fluoride in industrial and environmental protection fields HF 0-10ppm, Max 100ppm φ20×16.4

ME3-ETO
Electrochemical Detection of ethylene oxide in petroleum and petrochemical, pharmaceutical production and environmental protection fields C2H4O 0-20ppm, Max 100ppm φ20×16.4

ME3-CH2CHCL
Electrochemical Detection of Vinyl chloride and ethylene oxide in petroleum and petrochemical, pharmaceutical production and environmental protection fields CH2CHCL 0-20ppm, Max 100ppm φ20×16.4

ME3-NH3
Electrochemical Ammonia detection in industrial and environmental protection fields NH3 0-100ppm, Max 200ppm φ20×16.4

ME3-H2
Electrochemical Detection of hydrogen in industrial and environmental protection fields H2 0-1000ppm, Max 2000ppm φ20×16.4

ME3-C6H6
Electrochemical Detection of benzene in industrial and environmental protection fields C6H6 0-100ppm, Max 500ppm φ20×16.4

ME3-PH3
Electrochemical Detection of phosphine in industrial, underground mining and environmental protection fields PH3 0-10ppm, Max 20ppm φ20×16.4

ME3-O3
Electrochemical Use for O3 detection in industrial and environmental protection fields O3 0-10/20ppm, Max 50/100ppm φ20×16.4

ME3-SO2
Electrochemical Use for SO2 and HCl detection in industrial and environmental protection fields SO2, HCL 0-20ppm, SO2 Max 150ppm, HCL Max 200ppm φ20×16.4

ME3-C2H4
Electrochemical Use for ethylene detection in industrial and environmental protection fields C2H4 0-100ppm, Max 200ppm φ20×16.4

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Keeping low CO2 level is important for human health, which not only means that the current environment has sufficient fresh air, but also greatly reduce the risk of building syndrome. Winsen CO2 sensor meets RESET standard, which is widely used in control panels or thermostats for HVAC systems.

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Professional manufacturer of gas sensors, global sensing solutions provider with over 30 years of experience. Top quality guarantee, Excellent service, Customized products, Fast delivery!

Reference lead times: 1-15 days after receiving deposit depending on volume. The actual lead time can be confirmed with Winsen Order Processing Dept.

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All Winsen products go through strict inspections and tests to make sure they are 100% qualified before shipping out.

ppm: parts per million
ppb: parts per billion
VOL: volume ratio
LEL: lower explosive limit
NDIR: Non-Dispersive Infra-Red

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