ME3-HCL gas sensor
ME3-HCL gas sensor
  • HCL
  • 0~20ppm
  • Read More
MQ137 Ammonia Gas Sensor
MQ137 Ammonia Gas Sensor
  • NH3
  • 5-500ppm
  • Read More
MQ136 Gas Sensor for Hydrogen Sulfide
MQ136 Gas Sensor for Hydrogen Sulfide
  • H2S
  • 1-200ppm
  • Read More
MQ-8 Hydrogen Gas Sensor
MQ-8 Hydrogen Gas Sensor
  • H2
  • 100-1000ppm
  • Read More
Electrochemical Detection Module ZE12A
Electrochemical Detection Module ZE12A
  • CO, SO2, NO2, O3
  • CO (0-10ppm), SO2 (0-1ppm), NO2 (0-1ppm), O3 (0-1ppm)
  • Read More
Electrochemical Detection Module ZE11
Electrochemical Detection Module ZE11
  • benzene,dimethyl benzene,ethylene oxide,chloro ethylene and vinyl benzene etc.
  • (0~100)ppm
  • 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
Electrochemical Detection Module ZE03G
Electrochemical Detection Module ZE03G
  • CO, H2S, NH3, CL2, SO2, NO2, O2 and other gases
  • See manual
  • 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
MC109 Catalytic Flammable Gas Sensor
MC109 Catalytic Flammable Gas Sensor
  • hydrogen,ethyne,gasoline,VOC such as alcohol,ketone,benzene in industrial occasion
  • 0-100%LEL
  • 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-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
MP-702 Ammonia Gas Sensor
MP-702 Ammonia Gas Sensor
  • NH3
  • 0-100ppm
  • Read More
GM-802B MEMS NH3 Gas Sensor
GM-802B MEMS NH3 Gas Sensor
  • NH3
  • 1-300ppm
  • Read More
GM-602B MEMS H2S Gas Sensor
GM-602B MEMS H2S Gas Sensor
  • H2S, Benzene
  • 0.5-50ppm
  • Read More
GM-102B MEMS NO2 Gas Sensor
GM-102B MEMS NO2 Gas Sensor
  • NO2
  • 0.1-10ppm
  • Read More

Help you compare our sensors

Table Overview for Winsen Toxic sensor

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

Modle Detection principle Characteristics Target gas Detection range Size

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

MQ137
Semiconductor Good sensitivity to NH3 NH3 5-500ppm φ19×24.2

MQ136
Semiconductor Good sensitivity to H2S H2S 1-200ppm φ19×24.2

MQ-8
Semiconductor Good sensitivity to H2 H2 100-1000ppm φ19×24.2

ZE12A
Module, electrochemical City atmospheric environmental monitoring , enterprise environment monitoring, Factory area unorganized emission monitoring, emergency monitoring, environment evaluation monitoring, Portable gas detector, various gas detection equipment and smart home ap CO, SO2, NO2, O3 CO (0-10ppm), SO2 (0-1ppm), NO2 (0-1ppm), O3 (0-1ppm) Φ39×44 mm

ZE11
ZE11 Module, electrochemical Petroleum and chemical industry, environment protection filed, detection of benzene,dimethyl benzene,ethylene oxide,chloro ethylene and vinyl benzene benzene,dimethyl benzene,ethylene oxide,chloro ethylene and vinyl benzene etc. (0~100)ppm Ø32mm*31.2mm

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

ZE03G
Module, electrochemical Portable and fixed gas detector, various gas detection equipment and situation. CO, H2S, NH3, CL2, SO2, NO2, O2 and other gases See manual ø23.5mm*24.5mm

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

MC109
catalytic combustion "Bridge output voltage in linear, fast response, good repeatability and selectivity " hydrogen,ethyne,gasoline,VOC such as alcohol,ketone,benzene in industrial occasion 0-100%LEL φ12×9.5

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-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

MP-702
Semiconductor High sensitivity to NH3 NH3 0-100ppm φ9.4×7

GM-802B
Semiconductor、MEMS High sensitivity to NH3 NH3 1-300ppm 5×5×1.55

GM-602B
Semiconductor、MEMS High sensitivity to H2S H2S, Benzene 0.5-50ppm 5×5×1.55

GM-102B
Semiconductor、MEMS High sensitivity to NO2 gas, small sizes and low power consumption NO2 0.1-10ppm 5×5×1.55

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Toxic sensor Knowledge

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.

Winsen will recommend the most appropriate way of transportation (express, air, sea, train, etc.) according to customer's requirement on cost and time.

T/T, Paypal, West Union, Credit Card, etc.

MOQ is different depending on product models. Please contact Winsen sales for details.

Customer LOGO and packing design are acceptable.
Customized design and function will be provided without extra charge (including molding fee).

Sample order is acceptable and the fees will be borne by buyer.

Winsen has a complete and strict flow for offline sensors: aging-reject defective-sampling inspection-issue reports-finished ingoing...outgoing.

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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