UEi Test Instruments DAFM4 User Manual
Page 3
TABLE OF CONTENTS
Introduction ................................................................................................3
Safety ..........................................................................................................3
Controls and Indicators ..............................................................................4
Figures and Components ............................................................................5
Operating Instructions
Disable Auto Power Off ....................................................................5
Selecting Units..................................................................................5
Basic Measurement ...................................................................... 5-6
Measuring Air Volume (CFM or CMM)
Entering
Duct Information ................................................................6
Timed Average Air Volume ...............................................................7
Measurement Location and Method ............................................ 7-8
Access Hole Spacing ........................................................................8
Sample Calculated Locations ...........................................................8
Diagram of Locations ........................................................................9
Round
Duct Access Hole Location ...................................................9
Estimating FREE AREA (Effective area) of a Grill ....................................10
Maintenance
Low Battery ....................................................................................11
Cleaning ..........................................................................................11
Battery Replacement ......................................................................11
Specifications ...........................................................................................12
Warranty and Service Information ..........................................................15