... be used for indoor air temperature monitoring in various industrial plant, clean room, lab, machine room, office, airport, station, ... selectable: 0-10VDC, 4-20mA, RS485/Modbus or all in one unitWith various protective methods, interface can ensure high reliability ... with function keys, can be ordered and installed in field separately. See details on MMI productModels CodeDescriptionTTD1Room Digital ...