Optical-Electronic Smoke Fire Alarm Detector "СН-ДЫМ" for Fire Detection

Fire detector smoke optical-electronic radio channel "SN-DYM" is designed to detect fire with the appearance of smoke and sending a message "Fire" to the control panel Nord GSM WRL on a bidirectional radio channel in the frequency range from 433.05 to 434.79 MHz. The operating principle of the sensor is based on the registration of optical radiation reflected from smoke particles. It has an inbuilt device for checking the operability.

Transmits a fault message if the sensor circuitry fails or if the sensitivity decreases by more than 2.5 times. Transmits a message about attempted removal from the place of installation, tampering with the housing. Automatically switches to the backup frequency in case of difficult interference situation on the main frequency.

It has a two-colour LED indicator. Has a built-in backup power supply. Sends a message about the low charge of the main and backup batteries to the control panel.