1-Superheat differential measurements: T1-T2, Air-T1, T1-Dewpoint.

2-Dual Type K external temperature probe inputs (T1, T2), Simultaneous display of %RH, Temperature and Dew point or Wet Bulb or External Probe Temperatures.

3-Built-in RS-232 interface, it uses optional Windows® 95/98/2000/ME/NT/XP compatible software.

4-Retrieve Max/Min readings with data and time plus Average function.

5-Real time clock.

6-Triple display with backlighting.

7-Unique sensor cap design twists to closed position for protection during storage.

8-Switchable °F/°C temperature units with 0.1° resolution.

9-Data Hold freezes current reading on display.

10-Auto power off to save battery life.

11-RH350 complete with two Type K bead wire temperature probes and 4 AAA batteries.

12-Optional RH355 kit includes RH350, 33% and 75%.

13-calibration bottles, PC software with cable and case.

Made In USA.