• 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 T2-Dew Point
• Unique sensor cap design twists to closed position for
protection during storage
• Data Hold freezes current reading on display
• Max/Min readings
• Auto power off to save battery life
• Optional external temperature probe (TP890)
• Complete with 2 AAA batteries