Taking a Measurement
1. Insert the hot wire or vane air velocity probe into the DC580. If
the hotwire probe is used make sure the sliding cover is over the
air sensor. (See page 5)
2. Press and hold the
key until the DC580 turns on.
3. If the hotwire probe is used the DC580 will countdown from 5.
During this time the hotwire sensor is being warmed up. If the
vane probe is used there will be no countdown.
4, If necessary, set the units of measure and duct size as outlined
on page 7 and 8.
5. Insert the air velocity probe into the air stream with the white dot
facing into the air. If the hotwire probe is being used make sure the
sliding cover is in the down position and the sensor is exposed.
6. The air velocity will be displayed in the upper display and the
temperature will be displayed in the lower display.
The most accurate way to take a reading of a duct or grille is to
traverse it and take the average reading. The DC580 can do this
without the need of manual calculations.
The following pages include instructions for traversing ducts and
grilles along with various features and functions available on the
DC580.
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