+3 Hygro Precision Psychrometer EX-RH490 $359.99 In stock Quantity: 1 Add to Bag Product Details UPC: 0.00 Brand: no Hygro Precision Psychrometer 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 Save this product for later Favorite