Extech RH350-NIST Input Hygro-Thermometer Psychrometer

Extech, RH350-NIST, Dual Input Hygro-Thermometer Psychrometer with NIST Certificate

Two Type K External Probe inputs for Superheat Plus built-in memory stores up to 99 data records.

Includes:

• NIST Certificate
• Two Type K bead wire temperature probes
• 4 AAA batteries

Features:

• Superheat differential measurements: T1-T2, Air-T1, T1-Dewpoint
• Dual Type K external temperature probe inputs (T1, T2)
• Simultaneous display of %RH, Temperature and Dew point or Wet Bulb or External Probe Temperatures
• Built-in RS-232 interface — uses optional Windows® 95/98/2000/ME/NT/XP compatible software
• Retrieve Max/Min readings with data and time plus Average function
• Real time clock
• Triple display with backlighting
• 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
• Auto power off to save battery life