MQ-136 H2S Gas Sensor Module
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MQ-136 H2S Gas Sensor Module
MQ-136 H2S Gas Sensor Module
MQ-136 H2S Gas Sensor Module
MQ-136 H2S Gas Sensor Module
MQ-136 H2S Gas Sensor Module
MQ-136 H2S Gas Sensor Module

MQ-136 H2S Gas Sensor Module

Available:Out of Stock
  • Product SKU: KG1326
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Specification

Description

MQ-136 Hydrogen Sulfide (Hâ‚‚S) Gas Sensor Module

The MQ-136 Gas Sensor Module is designed for monitoring the concentration of Hydrogen Sulfide (Hâ‚‚S) gas with high sensitivity and reliability. Based on a SnOâ‚‚ semiconductor sensing element, the sensor exhibits low conductivity in clean air and increased conductivity when exposed to hydrogen sulfide gas, allowing accurate detection through simple signal conversion circuits.

This module simplifies the use of the MQ-136 sensor by providing both analog and digital (TTL) outputs, making it easy to interface with Arduino, Raspberry Pi, and other microcontrollers. With fast response and recovery time, long service life, and low cost, it is suitable for a wide range of domestic and industrial safety applications.

Note: Actual product design may vary depending on stock availability.

Features

  • High sensitivity to Hydrogen Sulfide (Hâ‚‚S) gas
  • Dual output: Analog voltage and TTL digital output
  • TTL output is active LOW (signal LED turns ON when output is LOW)
  • Analog output range: 0–5 V (higher gas concentration produces higher voltage)
  • Good sensitivity to liquefied gas, natural gas, city gas, and smoke
  • Fast response and recovery characteristics
  • Stable performance with long service life
  • Low cost and simple drive circuit
  • Arduino and MCU compatible

Technical Details

  • Item Type: Gas Sensor
  • Model: MQ-136
  • Main Chip: LM393 Comparator
  • Sensing Element: ZYMQ-136 (SnOâ‚‚)
  • Target Gas: Hydrogen Sulfide (Hâ‚‚S)
  • Output Type: Analog (0–5 V) and Digital (TTL)
  • Digital Output Logic: Active LOW
  • Drive Circuit: Simple external circuitry

Applications

  • Domestic hydrogen sulfide gas detectors
  • Industrial Hâ‚‚S gas monitoring systems
  • Portable hydrogen sulfide detectors
  • Environmental and safety monitoring
  • Arduino and IoT-based gas sensing projects

Physical Attributes

  • Length: 29 mm
  • Width: 19 mm
  • Height: 24 mm
  • Weight: 8 g
  • Compact PCB-mounted sensor module

Package Includes

  • 1 × MQ-136 Hydrogen Sulfide (Hâ‚‚S) Gas Sensor Module