PCE Instruments PCE-423, Manual

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Manual
7
5. Move the protection ring to the lower position (Fig. 2). Use the telescopic stick (Fig. 3) to adjust
the sensor to the desired length. Remember to carefully insert the sensor cable into the
telescopic tube when extending it, to prevent damage to the cable.
6. On top of the sensor, you can find arrows which indicate the flow direction. Please make sure that
these arrows are in line with the actual flow direction (Fig. 4). Now you can see the flow rate
on the main display and the temperature on the secondary display.
Protection ring
in upper
position
Air velocity
sensor