InspectorTools Digital Psychrometer EXRH300

Simultaneous display of %RH, Temperature and Dew point or Wet Bulb or Probe Temperature Wet bulb measurements without slinging Calculates T1-T2 differential (Air Temperature- External Probe Temperature) using optional probe Unique sensor cap design twists to closed position for protection during storage Switchable °F/°C temperature units with 0.1° Features Simultaneous display of %RH, Temperature and Dew point or Wet Bulb or Probe Temperature Wet bulb measurements without slinging Calculates T1-T2 differential (Air Temperature minus External Probe Temperature) using optional probe (TP890) and T-2 Dew Point Unique sensor cap design twists to closed position for protection during storage Switchable °F/°C temperature units with 0.1° resolution Data Hold freezes current reading on display Max/Min readings Auto power off to save battery life RH300 complete with 2 AAA batteries Optional external temperature probe (TP