Fieldpiece SRH2 Diagnostic Sling Psychrometer Measures temperature (DB) and percent relative humidity (-Percent RH) Calculates wet bulb (WB) and dew point (DP) Calculates Target Superheat (TSH) Calculates Target Evaporator Exit Temp (TEET) (aka - delta T, temp split) Only digital psychrometer that takes measurements using an electronic sensor (NTC) or k-type thermocouples (T/C)