MP135 MP-135 Semiconductor - type Gas Sensor Mainly For Indoor Air Quality Monitoring Detect Harmful Gases Such As CO And Alcohol

Model Number:MP135 MP-135
Minimum Order Quantity:1
Delivery Time:3-5 work days
Payment Terms:L/C, D/A, D/P, T/T, Western Union, MoneyGram
Place of Origin:CN
Price:Negotiable
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Location: Shenzhen Guangdong China
Address: Room 3306AB 33rd Floor, SEG Plaza,Huaqiang North Road, Futian District, Shenzhen Guangdong Province 518028
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MP135 MP-135 Semiconductor - type Gas Sensor Mainly For Indoor Air Quality Monitoring Detect Harmful Gases Such As CO And Alcohol


The MP135 is a planar semiconductor gas sensor designed for detecting harmful gases like hydrogen (H₂), alcohol and carbon monoxide (CO). It integrates a heater and metal oxide semiconductor material on a subminiature aluminum oxide (Al₂O₃) ceramic substrate. The electrodes lead out the electrical signals, and the entire sensing component is encapsulated in a metal socket and cap. Its working principle relies on the change of conductivity with the concentration of target gases — the higher the concentration of the detected gas, the higher the conductivity of the sensor. By means of a simple external circuit, this conductivity change can be converted into an output signal that matches the gas concentration, enabling easy integration into various detection systems.


Application Scenarios:


  • Household and office air quality monitoring equipment, used to detect harmful gases such as CO and alcohol.
  • Automatic exhaust devices, which trigger exhaust operations when harmful gas concentrations exceed the set threshold.
  • Air purifiers, helping to identify air pollution levels and start purification procedures accordingly.
  • Small - sized gas detection modules that require simple driving circuits and low power consumption.

Sensor TypeSemiconductor planar sensor
EncapsulationMetal cap, DIP - 4 package
Detectable GasesHydrogen (H₂), Alcohol, Carbon Monoxide (CO)
Detection RangeH₂: 10 - 1000 ppm; Alcohol: 10 - 1000 ppm; CO: 10 - 500 ppm
Loop Voltage (Vc)DC ≤ 24V; Standard test condition: 5.0V ± 0.1V DC
Heating Voltage (Vh)5.0V ± 0.1V (AC or DC)
Heating Resistance (Rh)95Ω ± 10Ω (at room temperature)
Heating Power Consumption (Ph)≤ 300mW
Surface Resistance (Rs)10kΩ - 100kΩ (in 50 ppm H₂)
Operating Temperature Range-10°C - +50°C
Storage Temperature Range-20°C - +70°C
Operating Humidity Range<95%RH
Standard Test ConditionsTemperature: 20°C ± 2°C; Humidity: 65% ± 5%RH
Warm - up TimeMore than 48 hours
Load Resistance (RL)Adjustable

China MP135 MP-135 Semiconductor - type Gas Sensor Mainly For Indoor Air Quality Monitoring Detect Harmful Gases Such As CO And Alcohol supplier

MP135 MP-135 Semiconductor - type Gas Sensor Mainly For Indoor Air Quality Monitoring Detect Harmful Gases Such As CO And Alcohol

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