MQ-135 Gas Sensor Module (Air Quality/Smoke/CO2)

150.00 -14% 174.00

MQ-135 Gas Sensor Module (Air Quality/Smoke/CO2) is a sensor module essential for detecting hazardous gases, including smoke, ammonia, benzene, and CO2, for indoor air quality monitoring and pollution alarms.

AVAILABILITY: AVAILABLE
SKU: 125

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Description

Overview: The Essential Sensor for Air Quality Monitoring. The MQ-135 Gas Sensor Module is an indispensable component for environmental sensing and building air purification or alarm systems. This module is ABSOLUTELY ESSENTIAL because it detects a wide spectrum of air contaminants, including smoke, alcohol, benzene, and harmful gases like NH3 and CO2. The module features a built-in heater and circuitry to provide both an ANALOG OUTPUT (for precise concentration measurement) and a DIGITAL OUTPUT (for simple threshold alarms). This makes it a TRUSTED SOLUTION for monitoring indoor air quality in homes, offices, and laboratories.

Description Summary. The MQ-135 Gas Sensor Module (Air Quality/Smoke/CO2) is a sensor module essential for detecting hazardous gases, including smoke, ammonia, benzene, and CO2, for indoor air quality monitoring and pollution alarms.

Key Technical Specifications (Datasheet Snapshot). - COMPONENT TYPE: Gas Sensor (Semi-conductor type).

TARGET GASES: Smoke, Alcohol, Benzene, CO2, NH3, and NOx.
OUTPUT TYPE: DUAL OUTPUT - Analog (A0 for measuring concentration) and Digital (D0 for alarm threshold).
HEATER VOLTAGE: Typically 5V DC (Required for the sensor element to function).
SENSITIVITY: Adjustable via onboard potentiometer to set the digital alarm threshold.
INTERFACE: Easy to connect to microcontrollers (Arduino, ESP32).
PACKAGE: Small PCB module with header pins.

Applications: Environmental Safety and Automation. This sensor is expertly suited for: Building AIR PURIFIER AND VENTILATION SYSTEMS, creating GAS LEAK AND FIRE ALARMS (smoke detection), implementing INDOOR AIR QUALITY (IAQ) MONITORS, and use in EDUCATIONAL KITS to teach environmental sensing.

Projectile Electronics Quality and Trust. We guarantee high-quality MQ-135 modules with reliable sensing capability, ensuring your environmental monitoring systems are accurate and dependable. The MQ-135 is a TRUSTED SOLUTION for air quality control. For any support or technical query, please contact Projectile Electronics at 01779-150816.

Package Includes: 1 × MQ-135 Gas Sensor Module.