Specifications; Meter Description - Extech Instruments EasyView EA20 User Manual

Specifications

Function Range and Resolution
Humidity 10.0 to 95.0% RH
Temperature -4 to 140
Display
Sensor Type
Response Time
Sampling Rate
Datalogging Memory
Operating Conditions
Storage Conditions
Power Supply
Battery Life
Dimensions / Weight

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. TIME button (for MX/MN elapsed
timer)
8. Temperature units (C/F) select
button
9. DEW POINT temperature select
button
10. RELATIVE mode button
11. WET BULB temperature select
button
12. MEM key manual datalogging
control key
13. READ key manual memory data reading
control key
14. keys to select memory
location
Note: The battery compartment is located
on the rear of the instrument
Accuracy
±3% RH (at 25
±5% RH (at 25
o o
F (-20 to 60 C) ±1.8
Multifunction LCD with bargraph and status indicators
Humidity: Precision capacitance sensor
Temperature: Thermistor
Humidity: 45% to 95% < 1 min; 95% to 45% < 3 min.
Temperature: Approx. 2 seconds for a 10
2 times per second
99 sets
o
32 to 140 F (0 to 60
o
14 to 140 F (-10 to 60
6 x 1.5V 'AAA' batteries with programmable auto power off (1
minute to 59 minutes in 7 selectable times)
Approx. 200 hours
5.9 x 2.8 x 1.4" (150 x 72 x 35mm); 8.3 oz. (235g)
2
4
3
6
9
2
o
C, 30 to 95% RH )
o
C, 10 to 30% RH )
o o
F (±1 C)
o
C); < 95% RH non-condensing
o
C); <70% RH non-condensing
o
C change
5
7
8
EA20 V1.6 02/06
1