0 Item(s)

Extech RH401

Digital Psychrometer + InfraRed Thermometer

Order #: RH401

Mfg Part #: RH401

$199.99 USD

$159.99 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

New Purchase Calibration Learn More

Save time and money by calibrating your new instrument before it leaves our warehouse, ensuring it arrives ready to be put into service. Find out how.

Add a Calibration to Your Item

Add Items to Cart

Request a Calibration Quote

Transcat can calibrate your existing instruments.

Request a Calibration Quote

Rent From Transcat

Do you need a test instrument for a short time?

Request a Rental Quote

View All Extech Products

Overview :

Product Highlights

  • Triple display with backlighting
  • Displays Air temp+RH+surface temp or Dew Point+RH+surface temp or Wet Bulb+RH+surface temp
  • Built-in InfraRed Thermometer with laser pointer and 8:1 distance to target ratio
  • Adjustable emissivity from 0.3 to 1.0
  • Precision humidity capacitance sensor is retractable for protection during transportation and storage
  • Calculates T1 (IR Surface Temperature) - DP (Dew Point) differential