User's Guide
SuperHeat Psychrometer
Models RH350 and RH355 (kit)
Introduction
Congratulations on your purchase of the Extech RH350 SuperHeat Psychrometer. This
device measures Differential Temperature (T1-T2, Air-T1, T1-DP), Humidity, Air
Temperature, Dew Point and Wet Bulb. Advanced features include built-in memory and
recall of up to 99 data points, Min/MAX/Average readings from the captured data, Data
Hold, selectable Auto Power Off, and an RS-232 for capturing readings to a PC using
HyperTerminal (cable sold separately). Careful use of this meter will provide years of
reliable service.