INSTRUMENTS
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4 MEASURING PROCEDURE
4.1 Measuring air speed
1. Put the on/off switch of the instrument (3-1) to the "ON" position.
2. Select the desired unit of measurement, using the "SELECT" button.
3. Take hold of the meter and position the rotor against the air flow to be measured.
4. The air flow speed will be shown on the screen in the selected measurement unit.
Air Flow Measurement
The yellow point on one side of the rotor, indicates the opposite direction to the measurement
direction of the air flow.
5. During the measurement, it is possible to display on the screen the peak value
recorded by pressing the "HOLD" key, the screen will display the word "max", which
indicates that the function is on, pressing the button again the message will disappear
from the screen making it possible to see the actual value of measurement.
4.2 Measuring temperature
1. Put the on/off switch of the instrument (3-1) to the "ON" position.
2. By pressing the "FUNCTION" button select the desired unit of measurement for the
temperature reading (°C - °F).
3. Place the rotor head in the opposite direction to the air flow, this will allow the
temperature of the latter to be measured.
Measuring Temperature
During the measurement of temperature, the unit of measurement can only be changed via
the "FUNCTION" button, the "SELECT" button is not active.
