MIKROE-4151 Ammonia Click Board - MQ-137 Gas Sensor 5-200 ppm

Technical description of the product (MIKROE-4151):

Ammonia Click is an Ammonia detection (NH3) sensor, based on the MQ-137 gas sensor. This gas sensor has a sensitive layer made of SnO2, which changes its resistance when exposed to ammonia. The sensor is able to sense NH3 concentration in the range of 5 ppm to 200 ppm. This Click board™ is also equipped with a trimmer potentiometer, used to adjust the sensitivity and offset of the MQ-137 sensor, making it well suited for the detection of ammonia, which may cause severe health disorders in the human body. Type: Gas. Applications: It can be used in different Ammonia concentration detectors for air quality control, or for gas leak detection. On-board modules: Ammonia Click uses the MQ-137, a high accuracy Ammonia sensor, from Hanwei Electronics. Key Features: 5 ppm to 200 ppm range of NH3 concentration sensing, integrated PWM-controlled heating element, protected against particles and mechanical damage. Interface: GPIO, SPI, Analog. Compatibility: mikroBUS. Click board size: L (57.15 x 25.4 mm). Input Voltage: 3.3V or 5V.