Fieldpiece Relative Humidity Measurement Instruments
Wet-bulb, Dry-bulb, and Relative Humidity....
Relative humidity and temperature play a large role in creature comfort and commissioning of HVAC systems. Fieldpiece meters like the ARH5 and the ARH4 are staple instruments for every technician tool box. Return air wetbulb is used to determine target total superheat and temperature split to assure proper airflow (evaporator operation) and refrigerant charge.