Time Based Traverse of a Horizontal Duct
1. Insert the hotwire probe into the DC580 and turn the meter on.
2. Enter the duct type and size and prepare the duct for transverse
measurements as outlined on page 13.
3. Press the
key. The display will prompt for time or point based
traverse. Use the
key to select time based traverse record.
4. Press the
key to confirm the selection.
5. Insert the hotwire probe all the way into the duct at the first hole.
Make sure the white dot is facing the air flow. HINT: If you turn the
probe you will see the readings change up or down, when the
reading is at the highest you are in the proper position.
Press the Up Arrow key repeatedly
until the timer symbol is seen.
14
