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Table of Contents
Related Manuals for Extech Instruments EA80
Summary of Contents for Extech Instruments EA80
- Page 1 User's Guide Indoor Air Quality Meter/Datalogger Model EA80...
- Page 2 Ø EA80 V2.1H 11/06...
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Page 3: Preparation For Use
The meter sensor needs about 10 minutes to stabilize in still air, after that the readings can be considered accurate. Moving the meter may decrease this stabilization time. Primary display shows the CO2 reading. Secondary display shows temperature reading. Third display shows %RH. EA80 V2.1H 11/06... - Page 4 Press “ 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 “WET” button again to exit the display. EA80 V2.1H 11/06...
- Page 5 Press the H button again to return to normal operation INTV (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 second. EA80 V2.1H 11/06...
- Page 6 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 V2.1H 11/06...
- Page 7 ” 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. EA80 V2.1H 11/06...
- Page 8 Press the “SET” button 7 times until “SET” and “CAL” are displayed on the LCD. Press “▼” or “▲”button to adjust the display to the reference value. Press “↵” to store the value and exit the calibration mode. EA80 V2.1H 11/06...
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Page 9: Specifications
Temperature Range 10% ~ 95%RH. -20℃~+60°C/-4℉~+140°F Resolution 0.1%RH 0.1°C, 0.1°F ±3%RH @ 25°C(77°F), 30~95%RH) Accuracy ±0.5°C, ±0.9°F ±5%RH @ at 25°C(77°F), 10~30%RH) Sensor type Precision capacitance sensor. Thermistor 45%RH→95%RH≦ 1min Response 10°C / 2sec time 95%RH→45%RH≦ 3min EA80 V2.1H 11/06... -
Page 10: Maintenance
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. EA80 V2.1H 11/06... -
Page 11: Warranty
Warranty EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and workmanship for one year from date of shipment (a six month limited warranty applies to sensors and cables). If it should become necessary to return the instrument for service during or beyond the warranty period, contact the Customer Service Department at (781) 890-7440 ext.
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