The RKI Instruments AirLink 7543 wireless controller is a six channel gas monitor with 3 dry contact relays can monitor up to 6 individual wireless gas detectors and transmitters. RS-485 Modbus output allows for data communication to a PLC or other system monitoring device. Available with an optional WirelessHART® module that allows the received sensor readings to be viewable on a WirelessHART network.
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