XSNS-MQ2 smoke sensor

Support RS485 industrial serial port (built-in GDT, PPTC, TVS combined protection circuit)

Support serial port baud rate range of 4800bps~115200bps (actual rate is limited by RS485 bus speed).

Support Modbus-RTU protocol

Support 1-way DO(OD gate output), which can drive the maximum load of 60V/3A.

Support 9~36V wide voltage supply

Detection gas type: smoke

Detection concentration range: 300～10000ppm

Detection sensitivity: ≥5ppm

Response time: > 1s

Click to download the agreement    Click to download the specification.