• New Dual-Channel Gas Detection Controller

Gas Detection

New Dual-Channel Gas Detection Controller

Apr 01 2020

Bacharach has launched the MGS-402 gas detection controller for refrigerant, toxic and combustible gas detection applications.  The system is designed for safety compliance in mechanical rooms, cold storage facilities, walk-in freezers, and cold room applications to -40° F/C.

The MGS-402 is part of the MGS-400 series gas detectors that connect through Modbus to up to two remote MGS-410 gas detectors at up to 1000ft (305m). The MGS-402 is powered by 110-240V AC and provides three 10A output relays (fault, low alarm, high alarm) to initiate auxiliary ventilation or restrict refrigerant flow, two analog outputs for interface to a BMS or fire/safety panel packaged in an IP66 enclosure.  Upstream Modbus connectivity enables remote configuration and communication with building management systems.

The MGS-402 has a built-in audible alarm and high-visibility visual alarm that eliminates the need for an external horn/strobe in close proximity.  The remote silence input enables silencing the alarm from outside the monitored environment.  Configuration of the MGS-402 is simple and intuitive, reducing installation time.


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