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MQ135 gas sensor
MQ135 gas sensor
MQ135 gas sensor
MQ135 gas sensor

Technical Documents

MQ-135 GAS SENSOR

EMS-00010-G

(Last updated) May 22, 2026

MQ135 gas sensor

MQ-135 Ammonia and Nitrous Oxide Analog

Subcategory
EMS - Input: Sensors

Description

The MQ 135 Air Quality Detector Sensor Module For Arduino has lower conductivity in clean air. When the target combustible gas exists, the conductivity of the sensor is higher along with the gas concentration rising. Convert change of conductivity to the corresponding output signal of gas concentration. The MQ135 gas sensor has a high sensitivity to Ammonia, Sulphide, and Benzene steam, also sensitive to smoke and other harmful gases. It is at low cost and suitable for different applications such as harmful gases/smoke detection.

Manufacturer Details

Manufacturer Part Number
Hanwei Electronics MQ-135
Zhengzhou Winsen Electronics MQ-135
Futurlec MQ-135

Application Resources

Z2M part_number application resource Z2M part_number Project code Air Quality Gas Sensor Module

Technical Specifications

Model MQ-135
Detecting range 100ppm to 1000ppm
Operating current 150 mA
Operating Voltage 5 V
Length 3.2 cm
Height 2.7 cm
Width 2 cm

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