... to kinds of sensorsRS485 communication, modbus protocol2 alarm output4-20mA analog outputDimensions(mm) 48HX48W, 48HX96W, 72HX72W, 86HX48W, 96HX96W Ordering code ModelInput ... signalAccuracyAlarm Analog outputRS485 CommunicationSR-R20BTC,RTD 0-10V,4-20mA, 0-50mV ...