Extech RH390-NIST Psychrometer with Nist

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Precision Psychomotor that features the highest 2% RH accuracy with fast 30 seconds response time. This product is NIST Certified which indicates that the product is traceable to standards provided by the National Institute of Standards and Technology (NIST).
Fast response time (<30 seconds)
Fast response time (<30 seconds)
Dual backlit display
Fast response time (<30 seconds)
Fast response time (<30 seconds)
Dual backlit display
Simultaneous display of: Humidity/Temperature, Humidity/Dew Point or Humidity/Wet Bulb
Fast response time (<30 seconds)
Fast response time (<30 seconds)
Dual backlit display
Fast response time (<30 seconds)
Fast response time (<30 seconds)
Dual backlit display
Simultaneous display of: Humidity/Temperature, Humidity/Dew Point or Humidity/Wet Bulb
Data Hold and Min/Max functions