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Extech RH300-NIST with NIST Certificate

Digital Psychrometer with NIST Certificate

The pricing for this model includes a NIST Traceable Calibration Certificate. For the standalone unit without a NIST Certificate, please see the Extech RH300.

Order #: RH300-NIST

Mfg Part #: RH300-NIST

$220.99 USD

$194.47 USD


Usually ships in 7-10 days

Free shipping over $250

This product is available for shipping to United States, Canada and Puerto Rico only

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Overview :

Product Highlights

  • 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

Each Unit Includes

  • 2 AAA batteries

Accessories :