RH390 Precision Psychrometer Hygro-Thermometer

$199.99 -- Highest RH accuracy--2%-- with fast 30 second response time

Purchase RH390 Precision Psychrometer Hygro-Thermometer

RH390 Product Sheet

RH390 User Manual English / Spanish

Extech RH390 Features:

� Dual backlit display

� Simultaneous display of:

Humidity/Temperature

Humidity/Dew Point

Humidity/Wet Bulb

� Slim design with rubberized sides for better grip and for one hand operation

� Data Hold and Min/Max functions

� Auto power off with disable and low battery indicator

� Complete with carrying case and 9V battery

Model RH490 measures Grains per Pound (grams per kilogram) to 1120 GPP (160g/kg)

Specifications of the RH390 Psychrometer Hygro-Thermometer

- Humidity 0 to 100%RH

- Temperature (Internal) -4 to 199�F (-20 to 100�C)

- Basic Accuracy �2%RH, �1.8�F/1�C

- Max. Resolution 0.1%RH, 0.1�F/�C

- Dewpoint -22 to 199�F (-30 to 100�C)

- Wet Bulb 32 to 176 �F (0 to 80�C)

- Dimensions 7.8x1.7x1.3" (200x45x33mm)

- Weight 7oz (200g)

Purchase RH390 Precision Psychrometer Hygro-Thermometer

Options: RH390 Precision Psychrometer; RH390 Psychrometer w/ NIST; RH490 Precision Psychrometer, Grains/pound; RH490 Psychrometer w/ NIST

Other products in the category Hygrometers / Psychrometers:

HD500 Psychrometer + 30:1 IR Thermometer -- HD500 Product Sheet HD500 User Manual English / Spanish Extech HD500 Features: � Built-in InfraRed Thermometer for non-contact temperature measurement to 932�F (500�C) with 30:1 distance to target ratio � Type K Temperature . . .

RH300 Psychrometer Hygro-thermometer -- RH300 Product Sheet RH300 Features Simultaneous display of %RH, Temperature and Dew Point or Wet Bulb or Probe Temperature Calculates T1-T2 differential (Air Temperature minus External Probe Temperature) using T2-Dew Point and optional probe . . .

RH350 Super Heat Psychrometer -- RH350 Product Sheet English / SpanishRH350 User Manual English / Spanish RH350 Features Dual Type K probe inputs (T1, T2) Superheat differential measurements : T1-T2, Air-T1, and T1-Dew Point Backlit LCD displays 3 parameters: . . .

RH401 Psychrometer plus Infrared Thermometer -- RH401 Product Sheet RH401 User Manual English / Spanish RH401 Features Triple display option with backlighting: - View Air temp + RH + surface temp - View Dew Point + RH + surface temp - View Wet Bulb + RH + surface . . .