Humidity temperature meter 1.Input:mV /mA /V /Pt/TC, ... 3.RS485. HA series Humidity temperature meter Features:1, Input:dual line displaying temperature and humidity at the same time ... including Temperature Controller, Digital Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter, Frequency Meter, flowmeter ...