Power Supply; Operation; Power On/Off - Wohler CD 210 Mode D'emploi

4.

Power Supply

The meter is powered by 4 AA batteries.
Install the batteries into the battery compartment on the rear and make sure they
are in correct polarity and good contact. When battery voltage gets low, a battery
icon and "Lob" will appear on the LCD. (Fig. 4.1). At the same time a beeper
sounds. The CO
failed CO -measurement (press any key but the ON/OFF-key to stop the beeps)
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and the readings will not be displayed. Please replace with fresh batteries.
Fig. 4.1: Display when battery voltage gets low.
5.

Operation

5.1. Power ON/OFF

Press the ON/OFF-key (Set) shortly to turn the meter on and off. When the device
poweres up, it emits a short beeb and performs a 30 seconds countdown for the
meter to warm up, then it enters normal mode with current CO
humidity readings displayed.
Fig. 5.1: Normal mode
5.2. Taking Measurement (CO
The meter starts measurement when it is powered on and it updates the readings
every second. In the condition of operating environment change (e.g. from high to
low temperature), it takes 30 seconds to respond for CO
relative humidity. Note: Do not hold the meter close to faces because inhalation will
affect the CO level.
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5.3. Air, Dew Point, Wet Bulb Temperature
Press DP/WBT to switch temperatures display. The lower left display will cycle from
air temperature, dew point temperature and wet bulb temperature.
e-Mail: mgkg@woehler.de
-sensor cannot work under low voltage, so it beeps to indicate
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-level, air temperature and relative humidity)
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Wöhler CD 210
, temperatures and
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sensor and 30 minutes for
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http://mgkg.woehler.de 21