Feature

• Operating voltage: 5V
• Operating current: <250mA
• Detection range: 300ppm~10000ppm
• Interfaces: UART (TX / RX) / STATUS
• Communication mode: UART communication
• Communication interface baud rate: 9600BPS
• Sensor service life: 5 years
• Alarm point factory calibration, default 9%LEL (CH4)
• Users can recalibrate alarm point

Description

The BM22S3021-1 is a semiconductor gas detector digital sensor, which includes an integrated MCU as the master device with a serial communication mode, which can offer widespread and convenient use. The sensor has the advantages of small size, convenience of integration into product applications, long service life, easy operation, no external drive circuit, low cost, etc. To summarise, it is a low-cost digital sensor specially designed for gas detection applications and suitable for use in
gas leakage alarms, smart homes, etc.

Application

• Gas leakage alarms
• Smart gas stoves
• Gas water heaters
• Smart homes
• IoT devices

Datasheet