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MQ138 Formaldehyde Gas Detection Sensor Module

Write a review | 2 reviews

Stock: 10
Availability: InStock priceValidUntil: 2026-08-29
Brand: Generic
SKU: 1822 | DAB105

Rs. 1,383.03 (inc GST)
Rs.1,172.06 + GST

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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.

Description

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.

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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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.

Can I return a component if I ordered the wrong value/package?

If the item is unused and in original packaging, we’ll check eligibility case-by-case. Some items may be non-returnable depending on category/condition.

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