Introducing the MQ-3 Alcohol Gas Sensor Module, featuring the highly sensitive MQ3 sensor designed to detect alcohol gas concentrations ranging from 0.05 mg/L to 10 mg/L. This affordable semiconductor sensor uses SnO2 as its sensitive material, with conductivity increasing in response to higher alcohol gas concentrations.
Features:
High Sensitivity: The MQ-3 sensor module offers high sensitivity to alcohol, ensuring accurate detection of alcohol gas concentrations.
Dual Outputs: Provides both digital and analog outputs, offering flexibility in interfacing with microcontrollers, Arduino boards, Raspberry Pi, and other devices.
Signal Output Indicator: Features a signal output light indicator for easy monitoring of sensor operation.
Simple Drive Circuit: Requires only one resistor for the drive circuit, simplifying the interfacing process.
Fast Response Time: Delivers rapid response and recovery features, ensuring timely detection of alcohol gas presence.
Specifications:
Operating Voltage
5V ±0.1
Current Consumption
150mA
Operation Temperature
-10°C ~ +70°C
Concentration
0.05 mg/L ~ 10 mg/L Alcohol
Load resistance
200 kΩ
Applications:
Breathalyzer devices
Alcohol detection systems
Safety and security applications
Environmental monitoring
Upgrade your projects with the MQ-3 Alcohol Gas Sensor Module, offering reliable and accurate detection of alcohol gas concentrations. Whether you’re building breathalyzer devices or implementing safety measures, this sensor module provides the performance and functionality you need. Order now and enhance your projects with advanced alcohol detection capabilities!
The MQ-3 Alcohol Gas 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
0.0078 kg
Dimensions
3 × 3 × 2 cm
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.
Yashwant Nair (verified owner) –
This MQ-3 Alcohol Gas Sensor is a must-have for sensor projects. Plug and play with Arduino.
Sonali Joshi (verified owner) –
Outstanding accuracy from this MQ-3 Alcohol Gas Sensor. Compared with a professional instrument, readings match closely.
Sameer Chauhan (verified owner) –
Perfect MQ-3 Alcohol Gas Sensor for my automation project. Integrates seamlessly with my microcontroller.
Tanya Menon (verified owner) –
This MQ-3 Alcohol Gas Sensor works great with Arduino. Easy to wire up and code.
Om Bajaj (verified owner) –
Outstanding accuracy from this MQ-3 Alcohol Gas Sensor. Compared with a professional instrument, readings match closely.
Pooja Luthra –
Superb MQ-3 Alcohol Gas Sensor! Using it in my environmental monitoring system. Very reliable data.
Shubham Solanki –
Excellent sensitivity and range on this MQ-3 Alcohol Gas Sensor. Works better than I expected.
Varun Pillai (verified owner) –
Perfect MQ-3 Alcohol Gas Sensor for my automation project. Integrates seamlessly with my microcontroller.
Tarun Batra –
Nice MQ-3 Alcohol Gas Sensor. Readings are mostly accurate. Good enough for my hobby project.
Shivam Dhawan (verified owner) –
Great MQ-3 Alcohol Gas Sensor. Using it in my smart agriculture system. Reliable measurements every time.
Nikhil Grewal (verified owner) –
Outstanding accuracy from this MQ-3 Alcohol Gas Sensor. Compared with a professional instrument, readings match closely.
Nitin Nayak (verified owner) –
Good MQ-3 Alcohol Gas Sensor. Works as described. Calibration needed some patience but results are good.
Lalit Gupta (verified owner) –
This MQ-3 Alcohol Gas Sensor works great with Arduino. Easy to wire up and code.
Tanmay Kumar (verified owner) –
Love this MQ-3 Alcohol Gas Sensor. Response time is fast and readings are stable.
Arun Trivedi (verified owner) –
Great MQ-3 Alcohol Gas Sensor. Using it in my smart agriculture system. Reliable measurements every time.
Aryan Verma (verified owner) –
Excellent MQ-3 Alcohol Gas Sensor! Readings are accurate and consistent. Perfect for my project.
MARS ELECTRONICS (verified owner) –
Sandhya Rao (verified owner) –
Great quality MQ-3 Alcohol Gas Sensor. Calibrated it easily and the accuracy is impressive.
Chitra Saini (verified owner) –
Great MQ-3 Alcohol Gas Sensor. Using it in my smart agriculture system. Reliable measurements every time.
Rakesh Rao (verified owner) –
Perfect for my weather station. This MQ-3 Alcohol Gas Sensor gives consistent readings day and night.
Akash Bajaj (verified owner) –
Average MQ-3 Alcohol Gas Sensor. Readings fluctuate a bit. Works for rough measurements.
Sachin Sethi (verified owner) –
This MQ-3 Alcohol Gas Sensor is a must-have for sensor projects. Plug and play with Arduino.
Tushar Menon (verified owner) –
Excellent MQ-3 Alcohol Gas Sensor! Readings are accurate and consistent. Perfect for my project.