Product Images are shown for illustrative purposes only and may differ from actual product.

MQ139 Freon Gas Sensor Module for Monitoring

  • Stock: Out Of Stock

    Availability: NotInStock priceValidUntil: 2026-03-30

  • Brand: Generic
  • SKU: 1823 | DAB106

Availability: NotInStock priceValidUntil: 2026-03-30

  • Rs. 4,602.00 (inc GST)
    Rs.3,900.00 + 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.

MQ139 Freon Gas Sensor Module for Monitoring

MQ139 sensor detects freon gas from 10 ppm to 1000 ppm, offering high sensitivity and simple interfacing.

The MQ139 Freon Gas Sensor Module is a reliable device for monitoring freon gas concentrations in various environments. It operates within a detection range of 10 ppm to 1000 ppm, making it suitable for R11, R22, R113, R134A, and more. This module features both digital and analog outputs, allowing easy integration with microcontrollers, Arduino, and Raspberry Pi projects. With its high sensitivity to freon gas, it ensures accurate readings for safety and environmental monitoring.

Built for long life and low cost, the MQ139 Freon Gas Sensor Module simplifies the detection process with a straightforward drive circuit. Ideal for household and industrial applications, it helps maintain safety standards by providing timely alerts on freon gas levels. Whether you're building a monitoring system or enhancing an existing setup, this sensor offers the precision you need.

Explore the benefits of the MQ139 Freon Gas Sensor Module for your projects today. Its versatility and ease of use make it a perfect choice for anyone looking to monitor gas concentrations effectively. Enhance your environmental safety with this essential tool.

At DNA, we provide quality products like the MQ139 Freon Gas Sensor Module from trusted manufacturers. Explore our wide range of GAS and Air Quality Sensor solutions to enhance your monitoring systems. Check other GAS and Air Quality Sensor that we have in stock.

If you are searching for specific electronic components, DNA is here to help. We can assist with imports and offer retail and bulk support. Explore related items like Transistors, Digital ICs, LCDs, Nextion Displays, Crystals, and Power Supplies. Contact Us.

Features of MQ139 Freon Gas Sensor Module for Monitoring

  • High sensitivity to freon gas
  • Detection range of 10 ppm to 1000 ppm
  • Simple drive circuit
  • Dual digital and analog output
  • Long life and low cost

Specification of MQ139 Freon Gas Sensor Module for Monitoring

  • Detection range: 10 ppm - 1000 ppm
  • Output: Digital and Analog
  • Sensitivity: High
  • Compatible with Arduino and Raspberry Pi

Applications of MQ139 Freon Gas Sensor Module for Monitoring

  • Freon gas detection
  • Environmental monitoring
  • Household safety systems
  • Industrial gas monitoring

Related Links for MQ139 Freon Gas Sensor Module for Monitoring

Package Includes

  • 1 X MQ139 Freon Gas Sensor Module for Monitoring
Extra Information
Country of Origin China
Imported By ElectroSource Private Limited

Reviews (2)

Write a review

Note: HTML is not translated!
    Bad           Good
CAPTCHA verification code

Frequently Asked Questions

Do you provide a GST bills?
Yes we provide GST Bill by the name of DNA Solutions. You will receive a GST compliant invoice for your records. You can take GST benefit.
What is your return / replacement policy?
Returns/replacements depend on the item type and condition. If there’s an issue, contact us with photos/videos and we’ll guide you as per policy.
Do you ship all over India?
Yes — we dispatch orders across India.
I forgot to add GST number at time of placing order, but I need GST Invoice in my firms name?
You can contact us via Contact us page and send your order details and GST number we will send you updated Invoice soft copy.
Do you accept bulk / OEM orders?
Yes — we handle bulk orders and OEM supply requests across India. Share part number and quantity for a quote.
Do you supply branded parts (Texas Instruments, ST, Vishay, etc.)?
Yes — if a brand/manufacturer is listed on the product page. If not listed, share the exact manufacturer + part number and we’ll check sourcing options.

NEW Products

Product Page : New Products

Hongfa HF46F/24-HS1T 24 Volt Relay

Hongfa HF46F/24-HS1T 24 Volt Electromagnetic RelayHongfa HF46F/24-HS1T Relay, 24VDC, SPDT, 5A contac..

Rs.44.84 (inc GST)
Rs.38.00 + GST

SKU: 7961 | DAH695
Stock: 50

20k Single Turn Potentiometer

Potentiometer 20K Variable Resistor 3386-20k Trimpot with 20Kohm resistance, 500mW power rating, and..

Rs.11.80 (inc GST)
Rs.10.00 + GST

SKU: 1417 | DAB204
Stock: 30

6S Active Balance Battery Management System Module

6S Active Balance Battery Management System Module 6S Active BMS Module for lithium-ion packs with o..

Rs.1,062.00 (inc GST)
Rs.900.00 + GST

SKU: 7396 | DAH232
Stock: 1

PIC16F628

PIC16F628PIC16f628 Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology16 I/O pins with..

Rs.160.48 (inc GST)
Rs.136.00 + GST

SKU: 152 | DAA304
Stock: 17

Have You Seen

Product Page : Have You Seen

USB ASP Programmer

USB ASP ProgrammerThese AVR programmers are based on Thomas Fischl's USBasp design and connect to yo..

Rs.251.34 (inc GST)
Rs.213.00 + GST

SKU: 690 | DAA958
Stock: 4

PG164150 - Microchip Technology MPLAB PICkit 5 In-Circuit Debugger

PG164150 - Microchip Technology MPLAB PICkit 5 In-Circuit DebuggerPG164150 Microchip MPLAB PICkit 5 ..

Rs.11,109.70 (inc GST)
Rs.9,415.00 + GST

SKU: 10500 | DAJ605
Stock: 1

XY129 3 Pin PCB Mount Screwable Terminal Block

3 Pin XY129 5.08 mm pitch PCB Mount Terminal BlockXY129 PCB Mount 3 Pin 5.08 mm pitch Screwable Term..

Rs.21.24 (inc GST)
Rs.18.00 + GST

SKU: 2747 | DAE287
Stock: 30

IRFP450 N-Channel Power MOSFET (Doingter)

Doingter IRFP450 N Channel Power MOSFETIRFP450 N Channel MOSFET; 500V Drain-Source Voltage; Fast Swi..

Rs.100.30 (inc GST)
Rs.85.00 + GST

SKU: 636 | DAE542
Stock: 45

Related Products

ZH03B Laser Dust Sensor Module

ZH03B Laser Dust Sensor Module

Winsen ZH03B Particles Sensor PM2.5 Dust SensorWinsen ZH03B PM2.5 Dust Sensor detects dust particles..

Rs.2,050.00 (inc GST)
Rs.1,737.29 + GST

SKU: 2139 | DAB517
Stock: 50