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EA80  V2.1H  11/06 

7

Manual Dataogging 

Storing readings 

Press " 

MEM

 " button. LCD  will  display " 

M

 " and the 

memory address number. Total 
memory size is 99 readings. 

 
Viewing readings. 

Press " 

READ 

" button to enter READ mode. The LCD 

will display " 

R

 " and the memory address number. 

Press " 

" or " 

" button to scroll through stored readings 

Press " 

 " enter button to exit this mode. 

Deleting stored data 

Press “ 

SET

 ” button three times, the LCD will display “ 

CLr

 ” and enter the clear 

memory mode. 
Press “

” button to clear the all manually stored readings.   

If you wish not to clear the memory press “ 

SET

 ” button two times then press “

” button 

to exit the clear memory mode. 

 

Auto Datalogging 

Setting interval time 

Press “

SET

” button two times, the “

INTV

” mark is displayed and enter to the setting 

interval time mode. 

Press “

” or “

” button to select desired interval time from 1 second to 255 seconds. 

Press “

” button to store the setting value and exit this mode. 

Auto Datalogging mode 

Press and hold “

MEM

” button for two seconds (3 beeps), the LCD will display “ 

¯

 ”and 

the memory location. 

M

” will flash each time a recording is made 

The maximum memory capacity is 

20,000

 recordings and that can be divided into 

99

 

sets. 
Press “

” button to exit this mode and stop recording. 

 

Deleting Logged Data 

Press “

SET

” button four times, the “

CLr

” and “ 

¯

 ” mark will be displayed 

Press “

” button to clear the auto datalogged memorized data and exit this mode. 

If you choose not to clear the memory, press “

SET

” button again then press “

” button to 

exit the clear memory mode. 

SET MAX MIN

ALM

R

M

Err

INTV

Err

CO

2

ppm

ppm

%RH

d-h

CO

2

DEW

WET

°C°F

ppm

CO

2

m:s

8888

8888 8888

88

CAL

Summary of Contents for EA80

Page 1: ...User s Guide Indoor Air Quality Meter Datalogger Model EA80 ...

Page 2: ...EA80 V2 1H 11 06 2 Ø2 5 ...

Page 3: ...not hold the instrument close to your face Exhaled CO2 will affect the accuracy of the reading Taking Measurements The sensor for Temperature Humidity Dew Point and Wet Bulb measurements is located in the remote probe Hold the probe in the air in the area to be tested DO NOT immerse in liquid The sensor for CO2 measurements is located on the top of the meter itself Selecting temperature units of m...

Page 4: ...tly on the second display 4 Allow adequate time for readings to stabilize 5 Read the measurements on the LCD Dew Point Temperature Measurement 1 Press the button to power on the meter 2 Press DEW button 3 The display will show the Dew Point Reading on the second display 4 Allow adequate time for the readings to stabilize 5 Read the measurements on the LCD 6 Press DEW button again to exit dew point...

Page 5: ...its stamp time 4 Press MX MN button again The icon will appear with the current value and current time 5 Press MX MN button again cycle through the recorded MAX MIN and current readings 6 Press button to exit this mode 7 Press TIME button exit the time display mode Data Hold 1 Press the H button momentarily to freeze the displayed reading The H icon will appear on the upper left hand side of the d...

Page 6: ...ng and exit this mode Turning Alarm On Off Press ALARM button to turn on the alarm function ALM is displayed When the CO2 value is below the low limit value the meter displays mark and beeps When the CO2 value exceeds the high limit value the meter displays and beeps To exit the ALARM function press ALARM button again Setting the Real Time Clock 1 Press SET button to enter the real time clock sett...

Page 7: ... times the INTV mark is displayed and enter to the setting interval time mode Press or button to select desired interval time from 1 second to 255 seconds Press button to store the setting value and exit this mode Auto Datalogging mode Press and hold MEM button for two seconds 3 beeps the LCD will display and the memory location M will flash each time a recording is made The maximum memory capacit...

Page 8: ... 1 Press button to turn the meter on 2 Place the probe in a known humidity reference for 60 minutes 3 Press the SET button 6 times until SET and CAL are displayed on the LCD 4 Press or button to adjust the display to the reference value 5 Press to store the value and exit the calibration mode Temperature Calibration 1 Press button to turn the meter on 2 Place the probe in a known temperature refer...

Page 9: ...ndensing Dimensions 158 L x72 W x35 H mm 6 22 x2 83 x1 38 Weight approx 255g including batteries Accessories Instruction Manual Battery AC Adaptor Software CD ROM RS232 Cable CO2 Specifications Sensing Range 0 to 6000ppm Sensing Resolution 1ppm Accuracy 101 4 kPa 29 92 inHg and 25 C 77 F 3 of reading or 50ppm whichever is greater Sensing Method Dual wavelength detector with non dispersive infrared...

Page 10: ...nstrument Battery Replacement When the symbol appears on the LCD the six 1 5V AAA must be replaced 1 Turn the meter off 2 Remove the meter s battery cover 3 Replace the batteries observing polarity 4 Affix the battery cover and secure the rear screws RS 232 Interface Software Installation and Operation Software operational instructions are located on the software disc ...

Page 11: ... damage in transit This warranty does not apply to defects resulting from action of the user such as misuse improper wiring operation outside of specification improper maintenance or repair or unauthorized modification Extech specifically disclaims any implied warranties or merchantability or fitness for a specific purpose and will not be liable for any direct indirect incidental or consequential ...

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