Extech EA20 Data Sheet

www.extech.com

5/30/08 - R1

Relative Humidity, Temperature, Dew Point, and Wet Bulb measurements

With choice of Datalogger model

EasyView™ Hygro-Thermometers

Ordering Information:

EA20 ............................EasyView Hygro-Thermometer

EA20-NIST....................EA20 with NIST Certificate

EA25 ............................EasyView Hygro-Thermometer Datalogger

EA25-NIST....................EA25 with NIST Certificate

Features:

• Compact and rugged design features large display and bargraph

• Display any two parameters (Temperature and Humidity or

Dew Point, or Wet Bulb) simultaneously

• Min/Max function stores & recalls highest and lowest readings

• Timer function displays the elapsed time (mins : secs and day : hour)

to the minimum and maximum readings

• Programmable auto power off time frame

• Remote capacitance sensor with 39" (1m) coiled cable

• Switchable °C/°F temperature units

• Data Hold function freezes reading on display

• Auto power off to save battery life

• Low battery and overrange indication

• Complete with built-in stand, protective holster,

probe and 6 AAA batteries

Model EA25 Additional Features:

• Datalogs up to 15,000 records plus automatic timer function

• Built-in RS-232 PC serial interface comes complete with

Windows

95/98/NT/2000/ME/XP compatible software

and optically isolated RS-232 cable

Applications:

• Monitor Relative Humidity and Temperature in

factories, clean rooms, offices, and greenhouses

• Produce reports of overnight or long term

humidity and temperature fluctuations

Specifications: Range Resolution Basic Accuracy

Humidity 10% to 95% 0.1% ±3% (30% to 95%)

±5% (10% to 30%) Temperature -4 to 140°F (-20 to 60°C) 0.1° ±1.8°F (±1°C) Dimensions 5.9 x 2.8 x 1.4" (150 x 72 x 35mm) Weight 8.3oz. (235g)