EA25 Ver la hoja de datos (PDF) - Extech Instruments Corporation.

Número de pieza

componentes Descripción

Fabricante

EA25

EasyView Digital Hygro-Thermometer Datalogger

Extech Instruments Corporation. 

Specifications

Function

Humidity

Range and Resolution

10.0 to 95.0% RH

Temperature* -4 to 140oF (-20 to 60oC)

Accuracy

±3% RH (at 25oC, 30 to 95% RH )

±5% RH (at 25oC, 10 to 30% RH )

±1.8oF (±1oC)

* Dew Point and Wet Bulb temperatures have the same range as shown above

Display

Multifunction LCD with bargraph and status indicators

Sensor Type

Response Time

Humidity: capacitance sensor; Temperature: thermistor

Humidity: 45% to 95% < 1 min; 95% to 45% < 3 min.

Temperature: Approx. 2 seconds for a 10oC change

Reading Rate

RS-232 PC Interface

2 readings per second

Optical connection with supplied interface cable. Software

compatible with WindowsTM 95/98, ME, 2000, and XP systems

Datalogger storage

Sampling Intervals

Operating Conditions

Storage Conditions

Power Supply

Stores 99 sets of data in manual mode (15,000 in auto mode)

3 to 255 seconds (1 to 86,400 secs. using supplied software)

32 to 140oF (0 to 60oC); < 95% RH non-condensing

14 to 140oF (-10 to 60oC); <70% RH non-condensing

6 x 1.5V ‘AAA’ batteries

Auto power off

Battery Life

Dimensions / Weight

After 30 minutes of inactivity

Approx. 200 hours

5.9 x 2.8 x 1.4” (150 x 72 x 35mm); 8.3 oz. (235g)

Meter Description

1. Humidity/Temperature Probe

2. Multifunction LCD with bargraph

and status indicators

3. Power ON/OFF button

4. MX/MN button

5. DATA HOLD button

6. Humidity / Temperature select

button

7. SET button

2

8. Units (C/F) select button

9. MEM (memory) button

4

10. ENTER button

3

11. READ button

6

12. DEW POINT temperature select

& left arrow button

9

13. UP/DOWN programming keys

14. WET BULB temperature select &

right arrow button

15. RS-232 optical jack

16. The battery compartment is

located on the rear of the instrument

2

1

5

7

8

EA25 V2.1 02/06

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