Toll Free: 1-877-275-9606
(603) 746-5524
$5.99 Flat Fee Economy Shipping on Most Items Shipped in the Continental USA

You have no items in your shopping cart.

Subtotal: $0.00

COVID-19 Update: MicroDAQ.com, Ltd. is open for business and assisting our customers to the best of our abilities during these unprecedented challenging times. Please read our updated COVID-19 Statement here.

Hygro-Thermometer Humidity Alert Detector with Dew Point

Precision Hygro-Thermometer Psychrometer

Extech Precision Psychrometer for Temperature, Humidity and Dew Point Measurements

Part Number: RH390

Be the first to ask a question about this product

Be the first to review this product

  • Simultaneous Display Humidty/Temperature, Humidity/Dew Point and Humidity/Wet Bulb
  • Fast Response Time When Taking a Measurement
  • Data Hold and Min/Max Functions, Auto Power off and Low Battery Indicator
  • CE Approved with 1 Year Warranty
  • Dual Backlit LCD

Includes Carrying Case and 9 Volt Battery

Special order - please allow 2-4 weeks for this item to ship.