Humidity temperature meter 1.Input:mV /mA /V /Pt/TC,temp. and humidity sensor ... available 2.Output:relay,2 alarms 3.RS485. HA series Humidity temperature ... settable,2 alarm output either temperature or humidity selectbal,with high,low and intervals alarm mode ... thousands of different models of products, including Temperature Controller, Digital Adjustor,thermocouple (TC and RTD ...