Extech Instruments EA80 User Manual
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Extech Instruments EA80 User Manual

Extech Instruments EA80 User Manual

Indoor air quality meter/datalogger
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User Guide
Indoor Air Quality Meter/Datalogger
Model EA80

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Summary of Contents for Extech Instruments EA80

  • Page 1 User Guide Indoor Air Quality Meter/Datalogger Model EA80...
  • Page 2 Introduction Congratulations on your purchase of the Extech EA80 Indoor Air Quality Meter. This meter measures Carbon Dioxide (CO , ppm) levels, ambient Temperature and Relative Humidity (%RH). 16,200 readings can be logged by the meter and later transferred to a PC. This meter is shipped fully tested and calibrated and, with proper use, will provide years of reliable service.

  • Page 3: Preparation For Use

    The meter sensor requires approximately10 minutes to stabilize in still air before the readings can be considered accurate. Moving the meter may decrease this stabilization time. The primary display indicates the CO2 reading. The secondary display indicates temperature. The third display indicates %RH. EA80-en-GB_v3.3 09/15...

  • Page 4: Temperature Measurement

    Press the “WET” button The display will show the Wet Bulb Reading on the second display. Allow adequate time for the readings to stabilize Read the measurements on the LCD. Press the “WET” button again to exit the display. EA80-en-GB_v3.3 09/15...
  • Page 5 Press the H button again to return to normal INTV operation (the 'H' hold icon will disappear). 8888 8888 °C°F Backlight Press the button to turn the backlight on or off. The backlight will turn off automatically after 30 seconds. EA80-en-GB_v3.3 09/15...
  • Page 6 Press “” button to move the cursor to the hours. (Please note that this is a 24 hour clock) Press “” or “” button to set the hours. To change any setting, press “” or “” button to move the cursor to desired position. 10. Press “” button to store the settings and exit this mode. EA80-en-GB_v3.3 09/15...

  • Page 7: Storing Readings

    Press “SET” four times, the “CLr” and “  ” mark will be displayed. Press the “” button to clear the automatically stored data and to exit this mode. To abort, press the “SET” button again then press the “” button to exit. EA80-en-GB_v3.3 09/15...
  • Page 8 Press the “SET” button 7 times until “SET” and “CAL” are displayed on the LCD. Press “▼” or “▲” to adjust the display to the reference value. Press “” to store the value and exit the calibration mode. EA80-en-GB_v3.3 09/15...

  • Page 9: Specifications

    10% ~ 95% RH -20°C ~ +60°C (-4°C ~ +140°F) Resolution 0.1% RH 0.1°C (0.1°F) 3%RH @ 25°C(77°F), 30~95%RH) 0.5°C (0.9°F) Accuracy 5%RH @ at 25°C(77°F), 10~30%RH) Sensor type Precision capacitance sensor Thermistor 45%RH95%RH≦1min Response time 10°C / 2sec 95%RH45%RH≦3min EA80-en-GB_v3.3 09/15...

  • Page 10: Maintenance

    Software operational instructions are located on the software disc. Install the software by inserting the disc in the PC CD-ROM drive and following the on-screen prompts. Open the Software manual (PDF) and read the Installation and Operation instructions.   Copyright © 2013‐2015 FLIR Systems, Inc.  All rights reserved including the right of reproduction in whole or in part in any form  ISO‐9001 Certified  www.extech.com  EA80-en-GB_v3.3 09/15...

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