0 ratings
Item #:
126922975
MQ-131Air Quality and Hazardous Gas Detection Sensor Alarm Module MQ-131 MQ-136 MQ-137 MQ-138 MQ-139 for Your Choice New 2025 High Reliable
Item #:
126922975
ETB 9846
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Click BUY NOW to start your exciting experience of this product
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Advanced Detection
The MQ-131 module provides high accuracy in detecting hazardous gases, ensuring early warnings for safer environments, significantly reducing health risks associated with air quality.
Stable Performance
Designed for reliability, this sensor maintains stable performance under varying conditions, making it essential for continuous monitoring and delivering consistent results over time.
User-Friendly Integration
The MQ-131 offers easy integration with various electronic projects, enabling hobbyists and professionals to incorporate robust air quality monitoring into their designs effortlessly.
Product Details
| Brand | MSETSEATNE |
| Number of Items | 1 |
| Manufacturer | MSETSEATNE |
| Item Weight | 0.5 lbs (230 grams) |
Who Should Buy?
-
Environmental Monitors
Ideal for users needing precise air quality measurements to track hazardous gas levels effectively.
-
Health & Safety Personnel
Useful for safety inspectors in workplaces where hazardous gases could pose health risks, ensuring regulatory compliance.
-
Educational Institutions
Beneficial for schools or research labs conducting experiments or projects focusing on environmental science and air quality.
-
Home Use
Not suitable for casual home users who won’t utilize advanced monitoring features for air quality.
Product Description
MQ-131Air Quality and Hazardous Gas Detection Sensor Alarm Module MQ-131 MQ-136 MQ-137 MQ-138 MQ-139 for Your Choice New 2025 High Reliable Electronic Component, Precision, Stable Performance
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the MQ-131 air quality and hazardous gas detection sensor used for?
Answer: The MQ-131 sensor module is designed to detect various hazardous gases and monitor air quality. It is particularly sensitive to gases like carbon monoxide and methane, making it ideal for applications in homes, laboratories, and industrial settings where air quality is crucial. By measuring gas concentrations, users can take proactive measures to ensure a safe environment. For instance, it can be integrated into home automation systems to trigger alarms or ventilation when dangerous gas levels are detected. -
Question:
How do I connect the MQ-131 sensor to my microcontroller?
Answer: Connecting the MQ-131 sensor module to a microcontroller involves a few straightforward steps. You typically connect the power pins to your board’s power source, and the output pin to an analog input on the microcontroller. This allows the device to read gas concentrations. Additionally, ensure that the sensor is calibrated correctly according to the manufacturer's specifications. This setup is ideal for DIY projects where you want to monitor air quality in real-time through microcontroller-based applications like Arduino. -
Question:
Can the MQ-131 detect multiple gases at the same time?
Answer: Yes, the MQ-131 can detect various gases simultaneously, although its sensitivity to each gas varies. This versatility makes it suitable for general air quality monitoring where multiple pollutants may be present. However, keep in mind that while it provides reliable detection of several gases, specific calibration may be needed for accurate readings. Users often employ the MQ-131 in environmental monitoring studies where multiple variables affect air quality. -
Question:
What is the lifespan of the MQ-131 sensor module?
Answer: The lifespan of the MQ-131 sensor module is generally expected to be several years under normal conditions. This longevity is attributed to its robust design and stable operation. Regular maintenance and calibration can help extend the operational life. Users typically replace sensors in systems that require long-term air quality monitoring to ensure accuracy and reliability. This is particularly important in settings like industrial facilities or laboratories where precise measurements are critical. -
Question:
Is the MQ-131 suitable for outdoor use?
Answer: While the MQ-131 can be used outdoors, it is essential to protect it from harsh environmental conditions such as excessive moisture, direct sunlight, and extreme temperatures. For outdoor applications, housing the sensor in a protective enclosure can mitigate these effects. Users commonly employ it in outdoor air quality monitoring stations where it aids in assessing environmental pollution levels and studying air quality trends over time. -
Question:
How often should I calibrate the MQ-131 sensor?
Answer: Calibration frequency for the MQ-131 sensor depends on usage and environmental conditions. Typically, it is advisable to calibrate the sensor every few months, especially if it’s in a high-traffic area or where gas levels fluctuate significantly. Regular calibration ensures consistent and accurate readings, which are crucial for effective air quality monitoring. Many users adopt this practice in industrial settings where air quality regulations dictate strict monitoring protocols. -
Question:
What are the power requirements for the MQ-131 module?
Answer: The MQ-131 sensor module typically operates at a voltage range of 5V to 12V. This power requirement allows for compatibility with most common microcontrollers and Arduino boards. Connecting the sensor to a stable power supply is essential for reliable performance. Since many projects involve battery power, users often create efficient power management systems to optimize sensor operation without draining battery life. Making sure to follow the power specifications helps avoid overheating or damaging the sensor. -
Question:
What environments are best suited for the MQ-131 sensor?
Answer: The MQ-131 sensor is ideal for a variety of environments including residential homes, commercial buildings, laboratories, and industrial facilities. It is especially beneficial in locations where there is a risk of hazardous gas accumulation, such as near garages or manufacturing areas. Users often install it in settings to ensure the safety of workers and residents, enabling timely alerts when air quality deteriorates. Its versatility makes it a go-to choice for many air monitoring applications. -
Question:
What is the difference between the MQ-131 and other MQ series sensors?
Answer: The MQ-131 sensor differs from other MQ series sensors primarily in its sensitivity to specific gases. While some MQ sensors are tailored for particular gases, the MQ-131 excels in identifying carbon monoxide and other combustible gases, making it a versatile choice for air quality applications. Additionally, the calibration and operational parameters can vary significantly among the different models. Users often select sensors from the MQ series based on their specific project requirements and environmental conditions. -
Question:
Where can I buy MQ-131 Air Quality and Hazardous Gas Detection Sensor in Ethiopia?
Answer: You can purchase the MQ-131 Air Quality and Hazardous Gas Detection Sensor Module through Ubuy. Ubuy provides a wide selection of electronics with convenient options and efficient user experiences. As an established e-commerce platform, Ubuy typically offers various sensor modules including the MQ-131 and related products for your projects. Simply visit the Ubuy website, search for the MQ-131 sensor, and you’ll find the available options based on your requirements.
MSETSEATNE Additive Manufacturing Products Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
ETB 9846
This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- High-quality materials ensure durability and reliability.
- Affordable pricing for exceptional value.
- Worldwide shipping available for convenience.
- User-friendly installation with clear instructions.
- Versatile applications in industrial, automotive, and household electronics.
- Dedicated customer support ready to assist you.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.