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MQ-135 Sensor
MQ-135 Sensor
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Technical Documents

MQ-135 GAS SENSOR

Application Resources

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

EMS-00010-G

(Last updated) Jun 20, 2026

MQ-135 Sensor

Harmful gas detection module

Subcategory
EMS - Input: Sensors

Description

The MQ-135 Air Quality Sensor Module is used to detect harmful gases and monitor air pollution levels. It changes its conductivity based on gas concentration and provides an analog output. It is sensitive to gases like ammonia, benzene, smoke, and other pollutants. It is widely used in air quality monitoring, IoT systems, and environmental safety projects.

Manufacturer Details

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

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

Part Family Variants (8)

Variant Title Status
EMS-00010-A Smoke Gas Sensor Published
EMS-00010-B MQ-3 Sensor Published
EMS-00010-C MQ-4 Gas Sensor Published
EMS-00010-D MQ-5 Gas Sensor Published
EMS-00010-E MQ-6 LPG Gas Sensor Published
EMS-00010-F MQ-7 Sensor Published
EMS-00010-G Current MQ-135 Sensor Published
EMS-00010-H Hydrogen Sensor Published

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