Selecting The Measurement Channel - Wohler FA 410 Mode D'emploi

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Fig. 21: Deactivate the Auto-Off function
5.2

Selecting the measurement channel

Fig. 5: Flow velocity and air temperature
display
To deactivate the Auto-Off function, proceed as
follows:

With the fan anemometer powered off, press
and hold the On/Off and AVG keys simultane-
ously for 2 seconds.
"n" is shown on the display before the fan ane-
mometer switches to the normal Measuring mode
(Wöhler FA 410) or the warm-up phase begins
(Wöhler FA 430).
The Auto-Off function is deactivated, the fan ane-
mometer will now not power off automatically.
To re-activate the Auto-Off function power the fan
anemometer off and on again.
After the fan anemometer is powered on, the flow
velocity is displayed in the top part of the display
and the air temperature is displayed in the lower
part of the display.
Wöhler FA 430

To toggle between displayed readings in the
top part of the display, briefly press the Up
key.
The flow velocity, relative humidity and the CO
readings are displayed in succession.
Wöhler FA 410
It is not possible to toggle between readings in the
top part of the display.
Operating the fan anemometer
EN
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