MEMS Ammonia Gas Sensor

Cat No: MGS-LJX-0007 Datasheet

Product Name: MEMS Ammonia Gas Sensor

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Basic Information

Detailed Description	The MEMS ammonia gas sensor utilizes a Si-based micro-hotplate based on MEMS technology and a metal-oxide-semiconductor material with low conductivity in clean air. When the detected gas is present in the ambient air, the sensor's conductivity changes; the higher the concentration of the gas, the higher the sensor's conductivity. A simple circuit can convert this conductivity change into an output signal corresponding to the gas concentration.
Main Applications	Widely applicable to detection of gas leaks in refrigerators, ammonia leaks in cold storage, and ventilation control in agriculture and animal husbandry.
Product Type	MEMS ammonia gas sensor
Standard Package	Ceramic packaging
Detecting Gas	Ammonia, etc.
Detection Concentration	1ppm～300ppm (NH3)
Circuit Voltage	≤24V DC
Heating Voltage	2.0V±0.1V AC or DC
Load Resistor	Adjustable
Heating Resistor	80Ω±20Ω (room temperature)
Heating Power Consumption	≤45mW
Surface Resistance of the Sensitive Body	1KΩ-30KΩ(in 50ppm NH3)
Sensitivity	Ro(in air)/Rs(in 50ppm NH3)≥3
Standard Test Temperature and Humidity	20℃±2℃; 55%RH±5%RH
Standard Test Circuit	Vc: 5.0V±0.1V; VH : 2.0V±0.1V

Features

Employing MEMS technology, it features a robust structure and high sensitivity to ammonia gas.
It features small size, low power consumption, high sensitivity, and fast response recovery.
The drive circuit is simple, stable, and has a long lifespan.

Note

Note	Product specifications are subject to change without notice.

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