Sensors and Transmitters

Natural Gas Detection Sensor - MQ-4

The MQ-4 natural gas detection sensor has high sensitivity to methane and good sensitivity to propane and butane. This sensor can detect a variety of combustible gases, especially natural gas, and is a low-cost sensor suitable for multiple applications.

Alcohol Sensor - MQ-3

The MQ-3 semiconductor sensor has high sensitivity to alcohol and can resist interference from gasoline, smoke, and water vapor. This sensor can detect alcohol atmospheres at various concentrations and is a low-cost sensor suitable for multiple applications.

Smoke Sensor - MQ-2

The MQ-2 gas sensor has high sensitivity to liquefied gas, propane, and hydrogen, and is also ideal for detecting natural gas and other combustible vapors. This sensor can detect a variety of combustible gases and is a low-cost sensor suitable for multiple applications.

Alcohol Sensor - MQ303B

MQ303B is a tin dioxide semiconductor alcohol gas sensor with high sensitivity and fast response to alcohol, suitable for portable alcohol detectors and automotive ignition systems, etc.

Air Quality Sensor - MP501

The MP501 gas sensor is an air quality gas sensor. It uses multi-layer thick film manufacturing technology, with a heater and a metal oxide semiconductor gas sensing layer formed on both sides of a miniature Al2O3 ceramic substrate, with electrode leads, packaged in a TO-5 metal shell. When the target gas is present in the ambient air, the sensor's conductivity changes; the higher the gas concentration, the higher the sensor's conductivity.

Organic Vapor Sensor - WSP2110

The WSP2110 semiconductor organic vapor sensing element uses advanced planar production technology, forming a heater and metal oxide semiconductor gas sensing material on a miniature Al2O3 ceramic substrate, with electrode leads, packaged in a metal base and cap. When the target gas is present, the higher the concentration of VOC gas in the air, the higher the sensor's conductivity.

Air Pollution Gas Sensor - MP135

The MP135 planar semiconductor gas sensing element for air pollution detection (air pollution sensor, air quality sensor) uses advanced planar production technology, forming a heater and metal oxide semiconductor gas sensing material on a miniature Al2O3 ceramic substrate, with electrode leads, packaged in a metal base and cap. When the target gas is present, the higher the concentration of the gas in the air, the higher the sensor's conductivity.

Propane Gas Sensor (C3H8 Gas Sensor) - MP-5

The MP-5 planar semiconductor gas sensing element for combustible gas detection uses advanced planar production technology, forming a heater and metal oxide semiconductor gas sensing material on a miniature Al2O3 ceramic substrate, with electrode leads, packaged in a metal base and cap. When the target gas is present, the higher the concentration of the gas in the air, the higher the sensor's conductivity. A simple circuit can convert this conductivity change into an output signal corresponding to the gas concentration.

MG811 Electrolyte Carbon Dioxide Sensor (CO2 Sensor) - MG811

The MG811 electrolyte CO2 sensor has good sensitivity and selectivity to CO2, is less affected by temperature and humidity changes, and has good stability and reproducibility.

China Winsen Air Quality Gas Sensor - MP901

The MP901 air quality gas sensor uses multi-layer thick film manufacturing technology, with a heater and metal oxide semiconductor gas sensing layer formed on both sides of a miniature Al2O3 ceramic substrate, packaged in a metal shell. When the target gas is present in the ambient air, the sensor's conductivity changes; the higher the gas concentration, the higher the sensor's conductivity.

Hydrogen Sulfide Gas Sensor (H2S Gas Sensor) - WSP7110

The WSP7110 hydrogen sulfide gas sensing element uses advanced planar production technology, forming a heater and metal oxide semiconductor gas sensing material on a miniature Al2O3 ceramic substrate, with electrode leads, packaged in a metal base and cap. When the target gas is present, the higher the concentration of the gas in the air, the higher the sensor's conductivity.

Freon Sensor - WSP5110

The WSP5110 Freon gas sensing element uses advanced planar production technology, forming a heater and metal oxide semiconductor gas sensing material on a miniature Al2O3 ceramic substrate, with electrode leads, packaged in a metal base and cap. When the target gas is present, the higher the concentration of the gas in the air, the higher the sensor's conductivity. A simple circuit can convert this conductivity change into an output signal corresponding to the gas concentration.

Air Quality Sensor - MP503

The MP503 gas sensor is an air quality gas sensor. It uses multi-layer thick film manufacturing technology, with a heater and a metal oxide semiconductor gas sensing layer formed on both sides of a miniature Al2O3 ceramic substrate, with electrode leads, packaged in a TO-5 metal shell. When the target gas is present in the ambient air, the sensor's conductivity changes; the higher the gas concentration, the higher the sensor's conductivity.

Hot Wire Type Combustible Gas Sensor - MR511

The MR511 hot wire type gas sensor operates on the principle that gas adsorption on the metal oxide semiconductor surface causes changes in thermal conductivity and electrical conductivity, and the gas concentration is determined by the change in resistance of the platinum coil. MR511 consists of a detection element and a compensation element paired to form two arms of a bridge. When encountering combustible gas, the resistance of the detection element decreases, causing a change in the bridge output voltage. This voltage change increases proportionally with gas concentration, while the compensation element serves as a reference and provides temperature compensation.

Thermal Conductivity Carbon Dioxide Sensor (CO2 Sensor) - MD62

The MD62 gas sensing element is made based on the principle that the total thermal conductivity of a mixed gas changes with the content of the gas to be analyzed. It consists of a detection element and a compensation element paired to form two arms of a bridge. When encountering combustible gas, the resistance of the detection element decreases; when encountering non-combustible gas, the resistance increases (against an air background). The bridge output voltage changes, and this voltage change increases proportionally with gas concentration, while the compensation element serves as a reference and provides temperature compensation.

Thermal Conductivity Combustible Gas Sensor - MD61

The MD61 gas sensing element is made based on the principle that the total thermal conductivity of a mixed gas changes with the content of the gas to be analyzed. It consists of a detection element and a compensation element paired to form two arms of a bridge. When encountering gas with a thermal conductivity higher than air, the resistance of the detection element decreases; when encountering gas with a thermal conductivity lower than air, the resistance increases (against an air background). The bridge output voltage changes, and this voltage change increases proportionally with gas concentration, while the compensation element serves as a reference and provides temperature compensation.

Infrared Methane Sensor (CH4 Sensor) - MH-440D

The MH-440D infrared methane sensor is a universal, intelligent, miniature sensor that uses the non-dispersive infrared (NDIR) principle to detect CH4 in the air. It has good selectivity, no oxygen dependence, stable performance, and long life. It has a built-in temperature sensor for temperature compensation. The sensor is easy to use and has complete gas detection, analog voltage signal output, and serial communication functions.

Infrared Carbon Dioxide Sensor (Infrared CO2 Small Module) - MH-Z16

The MH-Z16 NDIR infrared gas small module is a universal, small sensor that uses the non-dispersive infrared (NDIR) principle to detect CO2 in the air. It has good selectivity, no oxygen dependence, and long life. It has a built-in temperature sensor for temperature compensation, and provides both digital output and analog voltage output for ease of use.

Hot Wire Type Volatile Organic Compound Sensor (VOC Sensor) - MR516

The MR516 gas sensing element operates on the principle that gas adsorption on the metal oxide semiconductor surface causes changes in thermal conductivity and electrical conductivity, and the gas concentration is determined by the change in resistance of the platinum coil. MR516 consists of a detection element and a compensation element paired to form two arms of a bridge. When encountering organic vapor, the resistance of the detection element decreases, causing a change in the bridge output voltage. This voltage change increases proportionally with gas concentration, while the compensation element serves as a reference and provides temperature compensation.

Hot Wire Type Alcohol Sensor - MR513

The MR513 hot wire type alcohol sensor operates on the principle that gas adsorption on the metal oxide semiconductor surface causes changes in thermal conductivity and electrical conductivity, and the gas concentration is determined by the change in resistance of the platinum coil. MR513 consists of a detection element and a compensation element paired to form two arms of a bridge. When encountering alcohol, the resistance of the detection element decreases, causing a change in the bridge output voltage. This voltage change increases proportionally with gas concentration, while the compensation element serves as a reference and provides temperature compensation.

Catalytic Combustion Type Sensor - MC105

The MC105 catalytic element operates on the principle of catalytic combustion. It consists of a detection element and a compensation element paired to form two arms of a bridge. When encountering combustible gas, the resistance of the detection element increases, causing a change in the bridge output voltage. This voltage change increases proportionally with gas concentration, while the compensation element serves as a reference and provides temperature and humidity compensation.

Catalytic Combustion Type Sensor - MC101

The MC101 catalytic element operates on the principle of catalytic combustion. It consists of a detection element and a compensation element paired to form two arms of a bridge. When encountering combustible gas, the resistance of the detection element increases, causing a change in the bridge output voltage. This voltage change increases proportionally with gas concentration, while the compensation element serves as a reference and provides temperature and humidity compensation.

Carbon Dioxide Sensor (CO2 Sensor) - MH-711A

The MH-711A carbon dioxide gas sensor is a universal intelligent infrared gas sensor that uses the non-dispersive infrared (NDIR) principle to detect carbon dioxide in the air. It has good selectivity, no oxygen dependence, stable performance, and long life, with built-in temperature compensation.

Infrared Carbon Dioxide Sensor (CO2 Sensor) - MH-712B

The MH-712B sensor is a universal intelligent sensor that uses the non-dispersive infrared (NDIR) principle to detect hydrocarbon gases in the air. It has good selectivity, no oxygen dependence, stable performance, and long life, with a built-in temperature sensor for temperature compensation.

Infrared Gas Sensor - MH-410D

The MH-410D infrared gas sensor is a universal, intelligent, miniature sensor that uses the non-dispersive infrared (NDIR) principle to detect CO2 in the air. It has good selectivity, no oxygen dependence, stable performance, and long life. It has a built-in temperature sensor for temperature compensation.

Infrared Methane Sensor (CH4 Sensor) - MH-742B

The MH-742B sensor is a universal intelligent sensor that uses the non-dispersive infrared (NDIR) principle to detect hydrocarbon gases in the air. It has good selectivity, no oxygen dependence, stable performance, and long life, with a built-in temperature sensor for temperature compensation.

Catalytic Gas Sensing Element - MC114/114C

The MC114 catalytic element operates on the principle of catalytic combustion. It consists of a detection element and a compensation element paired to form two arms of a bridge. When encountering combustible gas, the resistance of the detection element increases, causing a change in the bridge output voltage. This voltage change increases proportionally with gas concentration, while the compensation element serves as a reference and provides temperature and humidity compensation.

Catalytic Sensor - MC113/113C

The MC113 catalytic element operates on the principle of catalytic combustion. It consists of a detection element and a compensation element paired to form two arms of a bridge. When encountering combustible gas, the resistance of the detection element increases, causing a change in the bridge output voltage. This voltage change increases proportionally with gas concentration, while the compensation element serves as a reference and provides temperature and humidity compensation.

Catalytic Sensor - MC112/112C

The MC112 catalytic element operates on the principle of catalytic combustion. It consists of a detection element and a compensation element paired to form two arms of a bridge. When encountering combustible gas, the resistance of the detection element increases, causing a change in the bridge output voltage. This voltage change increases proportionally with gas concentration, while the compensation element serves as a reference and provides temperature and humidity compensation.

Catalytic Combustion Sensor - MC109

The MC109 catalytic element operates on the principle of catalytic combustion. It consists of a detection element and a compensation element paired to form two arms of a bridge. When encountering combustible gas, the resistance of the detection element increases, causing a change in the bridge output voltage. This voltage change increases proportionally with gas concentration, while the compensation element serves as a reference and provides temperature and humidity compensation.

Catalytic Element - MC119

The MC119 catalytic element operates on the principle of catalytic combustion. It consists of a detection element and a compensation element paired to form two arms of a bridge. When encountering combustible gas, the resistance of the detection element increases, causing a change in the bridge output voltage. This voltage change increases proportionally with gas concentration, while the compensation element serves as a reference and provides temperature and humidity compensation.

Catalytic Element - MC116

The MC116 catalytic element operates on the principle of catalytic combustion. It consists of a detection element and a compensation element paired to form two arms of a bridge. When encountering combustible gas, the resistance of the detection element increases, causing a change in the bridge output voltage. This voltage change increases proportionally with gas concentration, while the compensation element serves as a reference and provides temperature and humidity compensation.

Catalytic Element - MC115

The MC115 catalytic element operates on the principle of catalytic combustion. It consists of a detection element and a compensation element paired to form two arms of a bridge. When encountering combustible gas, the resistance of the detection element increases, causing a change in the bridge output voltage. This voltage change increases proportionally with gas concentration, while the compensation element serves as a reference and provides temperature and humidity compensation.

Catalytic Element - MJC4/3.0L

The MJC4/3.0L catalytic element operates on the principle of catalytic combustion. It consists of a detection element and a compensation element paired to form two arms of a bridge. When encountering combustible gas, the resistance of the detection element increases, causing a change in the bridge output voltage. This voltage change increases proportionally with gas concentration, while the compensation element serves as a reference and provides temperature and humidity compensation.

Catalytic Element - MJC4/2.8J

The MJC4/2.8J catalytic element operates on the principle of catalytic combustion. It consists of a detection element and a compensation element paired to form two arms of a bridge. When encountering combustible gas, the resistance of the detection element increases, causing a change in the bridge output voltage. This voltage change increases proportionally with gas concentration, while the compensation element serves as a reference and provides temperature and humidity compensation.

Catalytic Element - MJC4/2.5J

The MJC4/2.5J catalytic element operates on the principle of catalytic combustion. It consists of a detection element and a compensation element paired to form two arms of a bridge. When encountering combustible gas, the resistance of the detection element increases, causing a change in the bridge output voltage. This voltage change increases proportionally with gas concentration, while the compensation element serves as a reference and provides temperature and humidity compensation.

Humidity Sensor - MS-Z2

The MS-Z2 humidity sensor is made of polymer humidity-sensitive material. As humidity increases, the polymer swells, increasing internal free volume and charge carriers, while the activation energy of the polyelectrolyte counterions decreases, improving mobility and reducing the material's impedance. Conversely, when ambient humidity decreases, water molecules are released from the ionic polymer, increasing the material's resistance.

Infrared Flame Detector - RD-913F

The RD-913F lithium tantalate pyroelectric infrared detector is an excellent thermal detector. The Curie temperature of lithium tantalate crystal material is above 600°C, and its relative dielectric constant is small. Therefore, over a wide room temperature range, the pyroelectric coefficient of the material changes very little with temperature, and the temperature variation rate of the output signal is only 1-2‰. The detector has excellent temperature stability and very consistent spectral response in the 1-20μm wavelength range.

Pyroelectric Infrared Sensor - RD-623

The RD623 pyroelectric infrared sensor detects infrared radiation based on temperature changes. It uses a dual sensitive element complementary method to suppress interference caused by temperature changes, improving the sensor's working stability. The product is widely used in applications such as safety devices, burglar alarms, sensor doors, automatic lighting, and smart toys.

Pyroelectric Infrared Sensor - RD-622

The RD622 pyroelectric infrared sensor detects infrared radiation based on temperature changes. It uses a dual sensitive element complementary method to suppress interference caused by temperature changes, improving the sensor's working stability. The product is widely used in applications such as safety devices, burglar alarms, sensor doors, automatic lighting, and smart toys.

Austria SENSORE Limiting Current Zirconia Oxygen Sensor - SO-D0-001-A100C

The limiting current zirconia oxygen sensor SO-D0-001-A100C can measure oxygen concentrations from 10 to 1000 ppm. It has high accuracy, low cross-sensitivity, and in most cases requires only a single-point calibration. It is packaged in a threaded housing with a metal sintered top and a 1-meter cable, widely used in nitrogen generation.

Austria SENSORE Ion Flow Limiting Current Zirconia Oxygen Sensor - SO-D2-960-A300C

The limiting current zirconia oxygen sensor SO-D2-960-A300C can measure oxygen concentrations from 1% to 96%. It has high accuracy, low cross-sensitivity, long service life, and in most cases requires only a single-point calibration. It is packaged in a threaded aluminum housing with a 3-meter cable and a metal sintered filter.

Austria SENSORE Limiting Current Zirconia Oxygen Sensor - SO-D2-050-A300C

The limiting current zirconia oxygen sensor SO-D2-050-A300C can measure oxygen concentrations from 0.05% to 5%. It has high accuracy, low cross-sensitivity, long service life, and in most cases requires only a single-point calibration. It is packaged in a threaded aluminum housing with a metal sintered filter and a 3-meter cable, commonly used in fermentation units.

Austria SENSORE Limiting Current Zirconia Oxygen Sensor - SO-D2-020-A300C

The limiting current zirconia oxygen sensor SO-D2-020-A300C can measure oxygen concentrations from 0.01% to 2%. It has high accuracy, low cross-sensitivity, long service life, and in most cases requires only a single-point calibration. It is packaged in a threaded aluminum housing with a metal sintered filter and a 3-meter cable, commonly used in laser metal sintering equipment for 3D printing.

Austria SENSORE Limiting Current Zirconia Oxygen Sensor - SO-D2-010-A300C

The limiting current zirconia oxygen sensor SO-D2-010-A300C can measure oxygen concentrations from 0.01% to 1%. It has high accuracy, low cross-sensitivity, long service life, and in most cases requires only a single-point calibration. It is packaged in a threaded aluminum housing with a metal sintered filter and a 3-meter cable, commonly used for oxidation protection in precision instruments.

Austria SENSORE Limiting Current Zirconia Oxygen Sensor - SO-D2-001-A300C

The limiting current zirconia oxygen sensor SO-D2-001-A300C can measure oxygen concentrations from 10 to 1000 ppm. It has high accuracy, low cross-sensitivity, long service life, and in most cases requires only a single-point calibration. It is packaged in a threaded aluminum housing with a metal sintered filter and a 3-meter cable, commonly used in nitrogen generators.

Austria SENSORE 3D Printing Oxygen Concentrator Limiting Current Zirconia Oxygen Sensor - SO-D0-960-A300C

The SO-D0-960-A300C limiting current zirconia oxygen sensor can measure oxygen concentrations from 1% to 96%. It has high accuracy, low cross-sensitivity, long service life, and in most cases requires only a single-point calibration. It is packaged in a threaded housing with a sintered metal top and a 3-meter cable, commonly used in oxygen concentrators.

Austria SENSORE Limiting Current Zirconia Oxygen Sensor (O2 Sensor) - SO-D0-250-A300C

The SO-D0-250-A300C is a limiting current zirconia oxygen sensor with a range of 0.1% to 25%. It has high accuracy, low cross-sensitivity, and long service life. It is packaged in a threaded housing with a sintered metal top and a 3-meter cable, widely used in food baking machines.

Austria SENSORE Limiting Current Zirconia Oxygen Sensor (O2 Sensor) 3D Printing - SO-D0-050-A300C

The SO-D0-050-A300C limiting current zirconia oxygen sensor can measure oxygen concentrations from 0.05% to 5%. It has high accuracy, low cross-sensitivity, long service life, and in most cases requires only a single-point calibration. It is packaged in a threaded housing with a sintered metal top and a 3-meter cable, widely used in inert gas processing cabinets.

Austria SENSORE Trace Oxygen Sensor/PPM Level Oxygen Sensor 3D Printing - SO-D0-020-A300C

The SO-D0-020-A300C is a limiting current oxygen sensor with a range of 0.01% to 2% and a 3-meter cable. It can detect oxygen as low as 100 ppm. The trace oxygen sensor SO-D0-020-A300C is widely used in metal laser sintering 3D printers, nitrogen generation, fermentation, and other fields.

Austria SENSORE Limiting Current Zirconia Oxygen Sensor - SO-D0-010-A300C

The SO-D0-010-A300C limiting current zirconia oxygen sensor can measure oxygen concentrations from 0.01% to 1%. It has high accuracy, low cross-sensitivity, long service life, and in most cases requires only a single-point calibration. It is packaged in a threaded housing with a sintered metal top and a 3-meter cable, widely used in metal laser sintering.

Austria SENSORE Limiting Current Zirconia Oxygen Sensor - SO-D0-001-A300C

The ion flow oxygen sensor SO-D0-001-A300C can measure oxygen concentrations from 10 to 1000 ppm. It has high accuracy, low cross-sensitivity, long service life, and in most cases requires only a single-point calibration. It is packaged in a threaded housing with a sintered metal top and a 3-meter cable, widely used in nitrogen generation.

Austria SENSORE Limiting Current Zirconia Oxygen Sensor - SO-D2-960-A100C

The limiting current zirconia oxygen sensor SO-D2-960-A100C can measure oxygen concentrations from 1% to 96%. It has high accuracy, low cross-sensitivity, and in most cases requires only a single-point calibration. It is packaged in a threaded aluminum housing with a metal sintered filter and a 1-meter cable, widely used in oxygen concentrators.

Austria SENSORE Limiting Current Zirconia Oxygen Sensor - SO-D2-250-A100C

The SO-D2-250-A100C is a limiting current zirconia oxygen sensor with a range of 0.1% to 25%. It has high accuracy, low cross-sensitivity, and long service life. It is packaged in a threaded housing with a sintered metal top and a 1-meter cable, widely used in food baking machines.

Austria SENSORE Limiting Current Zirconia Oxygen Sensor - SO-D2-020-A100C

The zirconia oxygen sensor SO-D2-020-A100C can measure oxygen concentrations from 0.01% to 2%. It has high accuracy, low cross-sensitivity, and in most cases requires only a single-point calibration. It is packaged in a threaded aluminum housing with a metal sintered filter and a 1-meter cable, widely used in incubators.

Austria SENSORE Limiting Current Zirconia Oxygen Sensor - SO-D2-010-A100C

The zirconia oxygen sensor SO-D2-010-A100C can measure oxygen concentrations from 0.01% to 1%. It has high accuracy, low cross-sensitivity, and in most cases requires only a single-point calibration. It is packaged in a threaded aluminum housing with a metal sintered filter and a 1-meter cable, widely used in metal laser sintering 3D printing.

Austria SENSORE Limiting Current Zirconia Oxygen Sensor - SO-D2-001-A100C

It can measure oxygen concentrations from 10 to 1000 ppm. It has high accuracy, low cross-sensitivity, and in most cases requires only a single-point calibration. It is packaged in a threaded aluminum housing with a metal sintered filter and a 1-meter cable, widely used for preservation of precision instruments.