4.9 Luminance(Lux) measurement
Move the sensor on top of the meter to light source in a
horizontal position. Press the “Lux” button to measure. The
LCD display will show the luminance at the meter.
4.10 Wind speed measurement
For measurement, place the sensor of anemometer in the
environment to be tested, be sure the fan is in a upright
position to the air current, and press the “ANEMO” button to
measure. When the meter is first powered on, the default
scale setting is set at m/s scale. The user may change it to
km/h, ft/m and knots by pressing “UNIT” button.
4.11 Air flow measurement
Before measurement press “SET” button to enter the area of
the air current. Press “UNIT” button to select which digit of the
area to change. Press “HOLD” button and “B.L.” button to
change the selection to the value needed. Press “SET” button to
save the setting.
Place the sensor for anemometer in the environment to be
tested, be sure fan is in upright position, face to the air current,
and press “ANEMO” button to measure.
When the meter is powered on the default scale is CMM, area
set default is 1.0m2. To change to CFM press “UNIT’ button,
then set area.
NOTE:
While measuring the wind speed and the air flow, avoid
direct sunlight.
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