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UG LAND INDIA

MQ-135 Air Quality Sensor Hazardous Gas Detection Module For boards compatible with Arduino AVR | Internet of Things Project IOT Science Project

MQ-135 Air Quality Sensor Hazardous Gas Detection Module For boards compatible with Arduino AVR | Internet of Things Project IOT Science Project

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  • 10 Days Returnable
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Specification:

Parameter Specification
Sensor Type MQ-135 (Semiconductor-type gas sensor)
Operating Voltage DC 5V
Power Consumption ≤ 800mW
Gas Detection Range 10 to 1000 ppm (depending on gas type)
Detectable Gases NH₃, NOx, alcohol, benzene, smoke, CO₂, and other VOCs
Output Signals Analog Output (AO), Digital Output (DO)
Preheat Time ≥ 20 seconds (optimal: 24–48 hours burn-in for accuracy)
Operating Temperature -10°C to +50°C
Humidity Range 5% – 95% RH
Response Time < 10 seconds
Module Dimensions Approx. 32mm x 20mm x 22mm
Mounting Type Through-hole/screw-mount module

 

Features:

  • Multi-Gas Detection: Detects a variety of harmful gases including ammonia, NOx, CO₂, benzene, smoke, and alcohol.

  • Dual Output Mode: Provides both analog (AO) and digital (DO) signals for flexible integration.

  • High Sensitivity & Stability: Ideal for long-term air quality sensing applications.

  • Adjustable Sensitivity: Onboard potentiometer to set the digital output threshold.

  • Plug & Play with Arduino: Simple 4-pin interface allows quick prototyping and testing with development boards.

Description:

Compatible with Arduino, AVR Boards | Ideal for IoT & Science Projects

The MQ-135 Air Quality Sensor Module is designed to detect a wide range of harmful and toxic gases, making it perfect for air quality monitoring and pollution detection systems. Compatible with Arduino and AVR-based boards, it's widely used in Internet of Things (IoT) and science fair projects related to environmental sensing.

This sensor can sense gases like ammonia (NH₃), nitrogen oxides (NOx), alcohol, benzene, smoke, and carbon dioxide (CO₂), providing valuable data on air cleanliness and indoor air pollution levels.

Shipping & Returns

Return Policy According

• Order can be return within 10 days from date of delivery.

• Order return request cannot be accepted after 10 days from date of delivery.
• Return request window are available for only 10 days.
• After 10 days return window will closed and we cannot accepted any request.
• Customer will sent the order to seller by any courier.
• Customer will paid own of courier charges to seller warehouse.
             

Generate (RMT) Return Merchant Ticket

• Note : Take photo and upload. Condition of product. Enter Correct Name, Mobile, Email, Order id / Invoice number (any one ) you can enter. Select Payment mode

Cash On Delivery / Prepaid .
• After Submit Return Request within 12 - 24 hour receive (RMT) Return Merchant Ticket number to your registered mobile number and email id.
• When you receive (RMT) Return Merchant Ticket number then ship your return to our warehouse address by any courier.
• We will initiate refund after delivered your return order to our warehouse.
• For any query please call our helpline number +91-9999115521 or
  mail us support@uglandindia.com

Refund policy

Prepaid Customer

• Refund of the order will be initiated after receiving the product at the warehouse address

• You will receive a notification message or mail for confirmation, of receiving the product.

• Full order value amount will transfer to your bank account. Money will be credited 5-7 working days.
• Money will issue same day when confirmation will receive by message and mail.
• Refund will not issued if product is not the same as which orders are sent by us.
• We can provide reverse amount in the DISCOUNT coupon if the buyer wants and can apply coupon to purchase another or the same product. Money will deduct.
• Coupon validity available for 1 year.
• If return request receive after 10 days from the date of delivery. we will not issue refund.
 
Deduct Non Refundable Charges
• Refund money reverse to you only product amount and delivery charges
• Delivery charges will not refund in case order refuse delivery to accept order / Incorrect address mentioned
Order Cancellation Charges
Order cancellation charges will be deduct if in case your order is Picked up or handover to the courier department. Delivery charges will deduct.
Refund will reverse only product amount.

For any query, please Call/WhatsApp to our helpline number +91-9999115521/+91-9999115512

Any complaint or query also technical support mail us support@uglandindia.com
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