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Home Sensor Modules Gas and Dust Sensor
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Z19c Module - MH-Z19C NDIR Infrared Carbon Dioxide Sensor Module
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  • Z19c Module - MH-Z19C NDIR Infrared Carbon Dioxide Sensor Module
  • ldxy1rc5

MH-Z19C NDIR Infrared Carbon Dioxide Sensor Module

Rated 4.71 out of 5 based on 21 customer ratings
(21 customer reviews)
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MH-Z19C NDIR Infrared Carbon Dioxide Sensor Module:

  • Waterproof and anti-corrosion
  • High sensitivity
  • Low power consumption
  • Excellent stability
  • Temperature compensation
  • Excellent linear output
  • High cycle life
  • Anti-water vapour interference
  • No poisoning
Brand: Generic SKU: AI7084
Category: Gas and Dust Sensor
Tags: Air Quality Sensor, Buy Online India, Gas Sensor, Infrared, IR, Zbotic

₹2,645.56 (₹2,242.00 + GST)

Purchase this product now and earn 45 Zbotic Points!
Description
Additional information
Warranty
COO

This is the Red variant of the MH-Z19C NDIR Infrared Carbon Dioxide Sensor Module in Gas and Dust Sensor. Available at ₹2,645.56 (₹2,242.00 + GST) with free shipping across India.

MH-Z19C NDIR Infrared Carbon Dioxide Sensor Module

This is the latest MH-Z19C high-precision infrared CO2 sensor. The effectively measuring range is from 400 to 5000ppm. It is a small size sensor and based on non-dispersive infrared (NDIR) technology and has good selectivity and oxygen-free dependency. Besides, its service life could up to 5 years! It integrates temperature compensation and has ADC on board. Most importantly, the product is easy to use; it is compatible with all types of microcontrollers such as Arduino, Raspberry Pi etc.

In addition, this Infrared CO2 Sensor For Arduino (400~5000 ppm) is a high-performance sensor that combines the technology of mature infrared absorption gas detection with precision optical circuit design as well as sophisticated circuit design. It has characteristics such as high sensitivity, high resolution, low power consumption, fast response, anti-water vapour interference, no poisoning, high stability and long life. The unique of this sensor is that it has onboard converters which give you serial outputs and also gives analog output ranging 0.4V-2VDC.

This CO2 Sensor could be widely used in HVAC, indoor air quality monitoring, industrial process and security protection monitoring, agriculture and animal husbandry production process monitoring. Manual is attached for detailed instructions.
Specifications: 
  • Operating Voltage: 4.5-5.5VDC
  • Working Current: <40mA Average
  • Detection Range: 400-5000ppm
  • Detection accuracy: ± 50ppm
  • Preheat time: 1min
  • Digital output: serial data output (9600, N, 8,1)
  • Response time: ≤ 120S
  • The output signal:
  • Working temperature: 0 ~ 50 ℃
  • Working humidity: 0 ~ 90% RH
  • Storage temperature: -20 ~ 60 ℃
  • Size: 33mm x 20mm x 9mm
  • Weight: 5g
  • Interface Level: 3.3V(Compatible with 5V)

Package Includes(MH-Z19C NDIR Infrared Carbon Dioxide Sensor Module): 

  • 1 x MH-Z19 NDIR CO2 Sensor
  • 1 x 7-pin JST Cable
Tags: Air Quality Sensor Buy Online India Gas Sensor Infrared IR Zbotic
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Technical Specifications

ModelMH-Z19C
ColorRed
SKUAI7084
Weight0.01 kg
AvailabilityIn Stock

Applications & Use Cases

The MH-Z19C NDIR Infrared Carbon Dioxide Sensor Module is a versatile gas and dust sensor used across a wide range of applications including air quality monitoring, gas leak detection, industrial safety, HVAC systems, and environmental monitoring.

Common use cases:

  • Building a gas leak alarm for LPG/methane
  • Monitoring indoor air quality (CO2, VOC)
  • Dust monitoring in a workshop

This product is ideal for environmental engineers, safety professionals, and IoT developers.

Technical Tip: MQ-series sensors need a warm-up period (24-48 hours for first use). Calibrate in clean air for accurate readings.

Shipping & Delivery

  • Free shipping on orders above ₹999 across India
  • Dispatched within 1-3 business days
  • Expected delivery: 3-7 business days depending on location
  • Secure packaging to ensure safe transit of electronic components
Weight 0.01 kg
15 Days Warranty

Please note that this item is only covered by a standard supplier warranty against manufacturing defects for a period of 15days from the time of delivery. It is important to understand that only manufacturing defects are covered under this warranty, and any other issues will not be considered for reimbursement or replacement. We strongly advise inspecting the product upon delivery to ensure it meets your expectations. In case of any manufacturing defects, we guarantee reimbursement or replacement.


What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

Tags: Air Quality Sensor Buy Online India Gas Sensor Infrared IR Zbotic
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Country Of Origin: China

21 reviews for MH-Z19C NDIR Infrared Carbon Dioxide Sensor Module

  1. Avatar of Aman Malhotra
    Rated 5 out of 5

    Aman Malhotra (verified owner) – August 19, 2025

    Perfect MH-Z19C NDIR Infrared Carbon Dioxide Sensor for my automation project. Integrates seamlessly with my microcontroller.

  2. Avatar of Atharv Goyal
    Rated 5 out of 5

    Atharv Goyal – August 24, 2025

    This MH-Z19C NDIR Infrared Carbon Dioxide Sensor is a must-have for sensor projects. Plug and play with Arduino.

  3. Avatar of Gauri Bisht
    Rated 5 out of 5

    Gauri Bisht (verified owner) – August 31, 2025

    Perfect MH-Z19C NDIR Infrared Carbon Dioxide Sensor for my automation project. Integrates seamlessly with my microcontroller.

  4. Avatar of Mayank Bajaj
    Rated 5 out of 5

    Mayank Bajaj (verified owner) – August 31, 2025

    Love this MH-Z19C NDIR Infrared Carbon Dioxide Sensor. Response time is fast and readings are stable.

  5. Avatar of Darshan Gill
    Rated 5 out of 5

    Darshan Gill (verified owner) – August 31, 2025

    Very satisfied with this MH-Z19C NDIR Infrared Carbon Dioxide Sensor. Library support is good and it’s easy to interface.

  6. Avatar of Aarav Deshpande
    Rated 4 out of 5

    Aarav Deshpande (verified owner) – August 31, 2025

    Good quality MH-Z19C NDIR Infrared Carbon Dioxide Sensor. Some variation in readings but within acceptable range.

  7. Avatar of Hitesh Saini
    Rated 5 out of 5

    Hitesh Saini (verified owner) – September 8, 2025

    This MH-Z19C NDIR Infrared Carbon Dioxide Sensor is excellent for the price. My data logging project is working perfectly now.

  8. Avatar of Neeraj Rajan
    Rated 4 out of 5

    Neeraj Rajan – September 11, 2025

    Good quality MH-Z19C NDIR Infrared Carbon Dioxide Sensor. Some variation in readings but within acceptable range.

  9. Avatar of Bharat Kumar
    Rated 4 out of 5

    Bharat Kumar (verified owner) – September 17, 2025

    Good MH-Z19C NDIR Infrared Carbon Dioxide Sensor. Works as described. Calibration needed some patience but results are good.

  10. Avatar of Lakshmi Sen
    Rated 5 out of 5

    Lakshmi Sen (verified owner) – September 20, 2025

    Excellent MH-Z19C NDIR Infrared Carbon Dioxide Sensor! Readings are accurate and consistent. Perfect for my project.

  11. Avatar of Neeraj Modi
    Rated 5 out of 5

    Neeraj Modi (verified owner) – September 24, 2025

    Superb MH-Z19C NDIR Infrared Carbon Dioxide Sensor! Using it in my environmental monitoring system. Very reliable data.

  12. Avatar of Girish Panchal
    Rated 5 out of 5

    Girish Panchal (verified owner) – October 26, 2025

    Outstanding accuracy from this MH-Z19C NDIR Infrared Carbon Dioxide Sensor. Compared with a professional instrument, readings match closely.

  13. Avatar of Om Panchal
    Rated 5 out of 5

    Om Panchal (verified owner) – October 29, 2025

    Perfect for my weather station. This MH-Z19C NDIR Infrared Carbon Dioxide Sensor gives consistent readings day and night.

  14. Avatar of Aditi Gill
    Rated 5 out of 5

    Aditi Gill (verified owner) – December 9, 2025

    This MH-Z19C NDIR Infrared Carbon Dioxide Sensor is excellent for the price. My data logging project is working perfectly now.

  15. Avatar of Ravi Rao
    Rated 3 out of 5

    Ravi Rao (verified owner) – December 14, 2025

    Okay MH-Z19C NDIR Infrared Carbon Dioxide Sensor. Had to add a capacitor to stabilize readings. Works now.

  16. Avatar of Tejas Luthra
    Rated 4 out of 5

    Tejas Luthra – December 23, 2025

    Good quality MH-Z19C NDIR Infrared Carbon Dioxide Sensor. Some variation in readings but within acceptable range.

  17. Avatar of Tanya Bose
    Rated 5 out of 5

    Tanya Bose (verified owner) – December 29, 2025

    Love this MH-Z19C NDIR Infrared Carbon Dioxide Sensor. Response time is fast and readings are stable.

  18. Avatar of Kabir Sen
    Rated 5 out of 5

    Kabir Sen (verified owner) – February 25, 2026

    Very satisfied with this MH-Z19C NDIR Infrared Carbon Dioxide Sensor. Library support is good and it’s easy to interface.

  19. Avatar of Deepika Sen
    Rated 5 out of 5

    Deepika Sen (verified owner) – February 28, 2026

    Very satisfied with this MH-Z19C NDIR Infrared Carbon Dioxide Sensor. Library support is good and it’s easy to interface.

  20. Avatar of Mukesh Das
    Rated 5 out of 5

    Mukesh Das (verified owner) – March 8, 2026

    Very satisfied with this MH-Z19C NDIR Infrared Carbon Dioxide Sensor. Library support is good and it’s easy to interface.

  21. Avatar of Parth Dhillon
    Rated 5 out of 5

    Parth Dhillon (verified owner) – March 9, 2026

    Love this MH-Z19C NDIR Infrared Carbon Dioxide Sensor. Response time is fast and readings are stable.

Only logged in customers who have purchased this product may leave a review.

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