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MQ138 Formaldehyde Gas Detection Sensor Module


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  • Stock: 1

    Availability: InStock priceValidUntil: 2026-03-14

  • Brand: Generic
  • SKU: 1822 | DAB105

Availability: InStock priceValidUntil: 2026-03-14

  • Rs. 4,440.93 (inc GST)
    Rs.3,763.50 + GST

    Qty :

GST Invoice: Available for all purchases — eligible for input tax credit.

Delivery: 2–8 days across India. No MOQ required.

Bulk Orders: Need more quantity or not in stock? Email: dnatechindia [at] gmail.com

Import Service: We import a wide range of electronic components on request.

MQ138 Formaldehyde Gas Detection Sensor Module

MQ138 Sensor for formaldehyde detection, 1-10 ppm range, compatible with Arduino and Raspberry Pi.

The MQ138 Formaldehyde Gas Detection Sensor Module is designed for precise monitoring of formaldehyde gas concentrations in various environments. This sensor detects formaldehyde in the range of 1 to 10 ppm, making it ideal for indoor air quality assessments. Its dual output enables easy interfacing with microcontrollers like Arduino and Raspberry Pi, enhancing versatility in applications. The MQ138 is suitable for detecting other volatile organic compounds as well, such as alcohols and ketones, providing comprehensive air quality monitoring. With the MQ138 Formaldehyde Gas Detection Sensor Module, ensure a safer and healthier living space by accurately measuring harmful gas levels in real-time.

Explore the precision of GAS and Air Quality Sensors with the MQ138 from DNA. This sensor enhances air quality monitoring. Check other GAS and Air Quality Sensor that we have in stock.

At DNA, we cater to all your electronic component needs. If you need specific parts or can't find what you're looking for, feel free to reach out. We can import items for you and support both retail and bulk orders. Check out related items like Humidity & Temperature Sensors, Connectors, or Power Supplies. Contact Us.

Features of MQ138 Formaldehyde Gas Detection Sensor Module

  • Digital and analog output
  • Detects formaldehyde from 1 to 10 ppm
  • Compatible with Arduino and Raspberry Pi
  • Detects multiple volatile compounds.

Specification of MQ138 Formaldehyde Gas Detection Sensor Module

  • Detection range: 1-10 ppm
  • Operating voltage: 5V
  • Output type: Digital and analog

Applications of MQ138 Formaldehyde Gas Detection Sensor Module

  • Indoor air quality monitoring
  • Environmental testing
  • Safety in laboratories
  • HVAC systems
  • Home automation.

Related Links for MQ138 Formaldehyde Gas Detection Sensor Module

Package Includes

  • 1 X MQ138 Formaldehyde Gas Detection Sensor Module.
Extra Information
Country of Origin China
Imported By ElectroSource Private Limited

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