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Catalytic Combustible Gas Detector Digital Sensor BM22S3031-1

US$4.60 (Excl. Tax)

In stock

Quantity

6 pieces

Product ID

BM22S3031-1

DESCRIPTION

The BM22S3031-1 is a catalytic combustible gas detector sensor, mainly used to detect methane. When the gas concentration exceeds the default calibration concentration, the voltage output of the alarm pin (pin 5) changes from low level to high level (default). It is easy to make a gas detector by supplying power to this sensor and monitoring the alarm output pin.

Each BM22S3031-1 has been calibrated at the factory to maintain consistent characteristics. The calibrated alarm threshold is 9% LEL (Lower Explosion Limit), which is about 4500ppm.

Product information

Dimension: 25 x 16 x 22 mm
Net Weight: 5g

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PRODUCT FEATURES

Sensor type: catalytic combustible type
Operating Voltage: 2.5V
Operating current: < 160mA
UART interface, 9600 baud rate
Gas concentration range: 500ppm~10000ppm
Alarm threshold (factory calibration): 4500ppm (9%LEL) (configurable)
Full range linear deviation: < 3% LEL
Sensor service life: 5 years
Default preheat time: 180 seconds (configurable)
Factory calibration, good consistency
Fault detection function
When the gas concentration is detected to exceed the alarm point for five seconds, the sensor alarms (configurable)