Extech CO100 Operating Manual

User's Guide
Desktop Indoor Air Quality Monitor
Model CO100
Introduction
Congratulations on your purchase of this Extech Meter. The Carbon Dioxide (CO2) Monitor is designed for air quality control and health control by measuring Carbon Dioxide level in areas where CO be a concern. The measured CO will be displayed on the LCD along with three CO (800 to1200ppm), Poor (>1200ppm). An acoustic alarm sounds when the CO
value in ppm (parts-per-million), Temperature, Humidity and Time
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status indications: Good (0 to 800ppm), Normal
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level exceeds a defined
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level. This meter is shipped fully tested and calibrated and, with proper use, will provide years of reliable service.
could
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Operation
1. Power button (rear) Turns the unit on or off.
2. HOLD button (rear) Freezes the current reading in the display.
3. °C/°F button (rear) Selects °C or °F
4. Clock button (rear) Press and hold this button for 2 seconds to enter into clock mode. Press the “” or “▼” button to adjust the flashing digits. Press the clock button again to step through the settings (day:month:year;hour:minute). Press the “ESC” button to exit the clock setting mode.
5. Alarm button Press the Alarm button once to activate the Alarm mode. The display. If the measured value exceeds the defined value, the alarm will sound and the display will flash. Press the button again to exit the Alarm mode.
Alarm Value Setting
Press and hold the ALARM button for 2 seconds to enter into setting mode. The will flash. Press the ▲or ▼ button to increase or decrease the value. Press the ESC button to exit the setting mode.
“GOOD-NORMAL” and “NORMAL-POOR” Value Setting
In the Alarm Value Setting mode, press the ALARM button to set the GOOD NORMAL threshold value. “GOOD NORMAL” will appear in the display. Adjust the value as needed. Press the ALARM button again to set the NORMAL POOR threshold value. “NORMAL POOR” will appear in the display. Adjust the value as needed. Press the ESC button to exit the mode.
6. button Press this button to increase a value. Press the “ESC” button to exit the function.
7. button Press this button to decrease a value. Press the ESC button to exit the function.
8. MAX MIN button Press the button once, the ”MAX” icon appears and the Maximum measured value of CO2, temperature and humidity will be displayed on the screen. The display will be updated only if a higher value is measured. Press this button again, the ”MIN” icon appears and the Minimum measured value of CO2 temperature and humidity will be displayed on the screen. Press ESC button to exit the function.
icon appears on LCD
icon
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