Uei-test-instruments DAFM4 Instrukcja Użytkownika

DAFM4CFMVOLLWMODEHOLDSTARTSTOPEXIT[HOLD TO EXITAVG MODE]LW-D-AREAON / OFF(SET)MAX / MINAVG1-800-547-5740 • Fax: (503) 643-6322www.ueitest.com • email:

9 DIAGRAM OF LOCATIONSROUND DUCT ACCESS HOLE LOCATIONFor round ducts drill three holes at 60 degrees separation. This will allow you to cover all loc

10ESTIMATING FREE AREA (EFFECTIVE AREA) OF A GRILLTo obtain air volume on a grill with unknown effective or free area you must estimate the free area.

11MAINTENANCELOW BATTERY When the low battery “ ”iconappearsonthedisplay,allreadingswillchange to “ “ to prevent inaccurate results. Chan

12SPECIFICATIONS: English MetricAir Velocity Range 99 ~ 3937 ft/min 0.5 ~ 20 m/sAir Velocity Resolution 0.1 ft/min 0.1 m/sAir Velocity Accuracy ±(3% o

DAFM4 Digital Air Flow MeterLimited WarrantyThe DAFM4 is warranted to be free from defects in materials and workma

TABLE OF CONTENTSIntroduction ...3Safety ...

3INTRODUCTIONThe DAFM4 Anemometer/Psychrometer is designed with 6 HVAC/R parameters in one instrument. These are included in a portable, battery-opera

4CONTROLS AND INDICATORS 1. On/Off (Setup): Press briefly to power meter on. Press and hold to turn the meter off. • Note: When the meter is O

5FIGURES AND COMPONENTS OPERATING INSTRUCTIONSDISABLE AUTO POWER OFFWith the meter off, press and hold ON/OFF and HOLD for more than two seconds.The

6OPERATING INSTRUCTIONS CONT.• VOL – Air volume in CFM or CMM, based on dimensions entered Note: Icon at bottom of screen will indicate the method

7MEASURING AIR VOLUME (CFM OR CMM) CONT.TIMED AVERAGE AIR VOLUME 1. Press MODE until VOL is showing in the upper right corner of the display 2.

8MEASURING AIR VOLUME CONT.We recommend the following number of access holes depending on duct size; • 18”orless–Twoaccessholes6”apart • 1