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

MQ139 Freon Gas Sensor Module for Monitoring

  • Stock: 5

    Availability: InStock priceValidUntil: 2026-09-02

  • Brand: Generic
  • SKU: 1823 | DAB106

Availability: InStock priceValidUntil: 2026-09-02

  • Rs. 1,412.46 (inc GST)
    Rs.1,197.00 + 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 a larger quantity or item 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.
How do I track my shipment?
After dispatch, you’ll receive a tracking link/number via email/WhatsApp/SMS (as applicable).
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 support Purchase Orders (PO) for companies/colleges?
Yes — we accept POs. To process a PO faster, share: PO copy, billing address, shipping address, GSTIN (if applicable), and contact number. We’ll confirm availability, price, and dispatch timeline.
What if I received fewer / more quantity than ordered?
Send your order number and unboxing photo/video. We’ll verify and resolve quickly.

NEW Products

Product Page : New Products

AD586 High Precision 5V Reference

AD586 High Precision 5 Volt ReferenceThe AD586 offers much higher performance than most ot..

Rs.470.82 (inc GST)
Rs.399.00 + GST

SKU: 969 | DAA006
Stock: 5

2N6027 Programmable Unijunction Transistor

2N6027 Programmable Unijunction Transistor2N6027 Transistor is designed to enable the engineer to “p..

Rs.49.32 (inc GST)
Rs.41.80 + GST

SKU: 1121 | DAA288
Stock: 1

ALDP112W PANASONIC 12 Volt Relay

PANASONIC ALDP112W 12V Power Relay for AppliancesALDP112W: 5A 277VAC Compact SPST Power Relay with l..

Rs.59.00 (inc GST)
Rs.50.00 + GST

SKU: 10209 | DAI760
Stock: 100

1206 SMD Blue LED (PACK of 10)

SMD Blue LED 1206 Package (PACK of 10) Blue SMD LED in 1206 PackageNow a days hobbyist and elec..

Rs.18.88 (inc GST)
Rs.16.00 + GST

SKU: 1490 | DAB662
Stock: 50

Have You Seen

Product Page : Have You Seen

STM8S103f3p6 Development Board

STM Development Board STM8S103F3P6 Microcontroller STM8S103F3P6 Development Board with STM8 microco..

Rs.177.00 (inc GST)
Rs.150.00 + GST

SKU: 1713 | DAB063
Stock: 10

Soldron Metal Body Desoldering Pump Soldron

Soldron Metal Body Desoldering Pump Soldron Desoldering Pump for effective solder removal; features..

Rs.295.00 (inc GST)
Rs.250.00 + GST

SKU: 2357 | DAC107
Stock: 5

1x40 2 mm Berg Strip Straight Female Header Strip

Berg Strip 1x40 2mm Straight Female Header Strip 1x40 2mm Berg Strip - Straight Female Header Strip ..

Rs.29.99 (inc GST)
Rs.25.41 + GST

SKU: 7860 | DAH480
Stock: 50

10uf 35 VOLT SMD ELECTROLYTIC CAPACITOR(MAKE:HYNCDZ)

HYNCDZ 10µF 35V SMD Electrolytic Capacitor HYNCDZ 10µF 35V SMD Electrolytic Capacitor designed for ..

Rs.4.43 (inc GST)
Rs.3.75 + GST

SKU: 7980 | DAD620
Stock: 1000

Related Products

4028 BCD to Decimal Decoder

4028 BCD to Decimal Decoder

4028 BCD to Decimal Decoder IC HEF4028B BCD to Decimal Decoder + 4-bit operation + 3V to 15V power s..

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

SKU: 251 | DAA116
Stock: 16
MQ131 Ozone Gas Sensor Module

MQ131 Ozone Gas Sensor Module

MQ131 Gas Sensor for Ozone DetectionMQ131 Gas Sensor for monitoring ozone gas concentration with dig..

Rs.970.26 (inc GST)
Rs.822.25 + GST

SKU: 1820 | DAB107
Stock: 5
Meanwell SE-1000-12 1000W single-output AC-DC SMPS

Meanwell SE-1000-12 1000W single-output AC-DC SMPS

Meanwell SE-1000-12 1000W AC-DC SMPS Power Supply Meanwell SE-1000-12, 1000W AC-DC SMPS, 12V DC outp..

Rs.17,641.00 (inc GST)
Rs.14,950.00 + GST

SKU: 7527 | DAG457
Stock: 0
TSOP32238 – Remote Receiver Sensor

TSOP32238 – Remote Receiver Sensor

TSOP32238 Remote Receiver Sensor TSOP32238 IR Receiver Sensor, 38 kHz carrier frequency, low power c..

Rs.40.36 (inc GST)
Rs.34.20 + GST

SKU: 8558 | DAC767
Stock: 0
Winsen ZH07 Laser Dust Sensor Module

Winsen ZH07 Laser Dust Sensor Module

Winsen ZH07 Laser Dust Sensor Module Winsen ZH07, high-performance sensor for detecting PM2.5 and P..

Rs.1,516.71 (inc GST)
Rs.1,285.35 + GST

SKU: 8999 | DAI072
Stock: 2
CC1206KKX5R9BB475-YAGEO-SMD Multilayer Ceramic Capacitor, 4.7 µF, ± 10% (NTL-SME)

CC1206KKX5R9BB475-YAGEO-SMD Multilayer Ceramic Capacitor, 4.7 µF, ± 10% (NTL-SME)

YAGEO SMD Multilayer Ceramic Capacitor 4.7µF ±10% 6.3V CC1206KKX5R9BB475 YAGEO SMD Capacitor 4.7µF ±..

Rs.15.19 (inc GST)
Rs.12.87 + GST

SKU: 9420 | DAI417
Stock: 0
AS7341 DLGM SENSOR

AS7341 DLGM SENSOR

AMS AS7341 DLGM Sensor AS7341 DLGM Sensor for precise color detection with 11 channels, 16-bit ADC, ..

Rs.1,043.82 (inc GST)
Rs.884.59 + GST

SKU: 9459 | DAI331
Stock: 0