MQ-135 Gas Sensor: Comprehensive Overview

Product Summary

The MQ-135 Gas Sensor is an advanced device designed for detecting various gases, including benzene, alcohol, and smoke. Its high sensitivity and rapid response time make it ideal for air quality monitoring applications. This sensor is particularly useful for individuals or organizations focused on maintaining safe indoor environments by continuously measuring gas concentrations.

Key Features

• Gas Sensitivity: Highly sensitive to benzene, alcohol, and smoke.
• Voltage Output: The output voltage increases proportionally with the concentration of detected gases.
• Quick Response Time: Fast reaction and recovery rates ensure timely detection of gas levels.
• Adjustable Sensitivity: Users can modify sensitivity settings according to specific requirements.
• Signal Output Indicator: Provides clear visual feedback on gas concentration levels.

Technical Specifications

• Power Supply Range: Operates between 2.5V to 5.0V.
• Dimensions: Compact size of 40mm x 21mm facilitates easy integration into various projects.
• Mounting Hole Size: Features mounting holes sized at 2mm for straightforward installation.

Applications

The MQ-135 sensor is primarily utilized in:

• Air quality monitoring systems to assess environmental safety.

Installation Instructions

For integration with a microcontroller (MCU):

1. Connect VCC to a power supply within the range of 2.5V – 5.0V.
2. Attach GND to the ground connection of the power supply.
3. Use AOUT for analog output connected to MCU.IO.
4. Connect DOUT for digital output linked with MCU.IO.

Package Contents

Included in your purchase:

1. One MQ-135 Gas Sensor unit (x1).
2. One custom connector jumper wire (4-pin) (x1).

Additional Information

| Specification | Details |
|———————–|———————————-|
| Package Weight | 0.03 kg / 0.06 lb |
| Package Dimensions | 5 cm x 4 cm x 1 cm |
| Quantity per Carton | 4800 units |
| Carton Weight | 158.40 kg / 349.21 lb |
| Carton Dimensions | 60 cm x 40 cm x 40 cm |
| Container Loading | – For a standard container:
20GP holds up to 1329600 pcs
40HQ accommodates 3091200 pcs |

Shipping
This product ships from China using different shipping carriers depending on the country you purchase from and will be delivered within 7–21 business days. 

Payments
WE ACCEPT THE DIFFERENT PAYMENT METHODS ADVERTISED ON THE SITE, SUCH AS VISA, MASTERCARD, AMERICAN EXPRESS, DINERS CLUB CARDS AND MORE.

Returns And Refunds
Sometimes we may require you to return the item to receive a refund in the uncommon situation it arrives defective; otherwise, if proven that you did not receive the item due to circumstances such as shipping carrier issues etc., you can request a full refund via your original payment method or alternatives like PayPal or cryptocurrencies by contacting us through WhatsApp, email or contact form.Read our full Returns and Refunds Policy here.

How To Place An Order and common questions:
FAQ Page – Snug Wares.