Bacharach MGS-460 Gas Detector Transmitter with remote (5m) catalytic sensor for Refrigerant Gases (HFC, CFC, HCFC) 0-100% measurement in Refrigeration Applications. 3 x relays (low, high & fault), analog output (4 to 20 mA, 0 to 5 V, 0 to 10 V, 1 to 5 V, 2 to 10 V), RS485 MODBUS RTU output, included audible & visual alarms: 72dB @10cm buzzer and single tri-color LED (green, red, orange). IP66 Housing. CE, UL and CSA Approvals. Factory configured for either R600 or R290. Mobile App Bluetooth Interface.