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DAFM3B

                   

Digital Air Flow Meter

Limited Warranty

The DAFM3B is warranted to be free from defects in materials and 

workmanship for a period of one year from the date of purchase. If 

within the warranty period your instrument should become inoperative 

from such defects, the unit will be repaired or replaced at UEi’s option. 

This warranty covers normal use and does not cover damage which 

occurs in shipment or failure which results from alteration, tampering, 

accident, misuse, abuse, neglect or improper maintenance. Batteries 

and consequential damage resulting from failed batteries are not 

covered by warranty. 

Any implied warranties, including but not limited to implied warranties 

of merchantability and fitness for a particular purpose, are limited 

to the express warranty. UEi shall not be liable for loss of use of the 

instrument or other incidental or consequential damages, expenses, or 

economic loss, or for any claim or claims for such damage, expenses 

or economic loss. 

A purchase receipt or other proof of original purchase date will be 

required before warranty repairs will be rendered. Instruments out of 

warranty will be repaired (when repairable) for a service charge. 

For more information on warranty and service:

1-800-547-5740 • FAX: (503) 643-6322

www.ueitest.com • Email: [email protected]

This warranty gives you specific legal rights. You may also have other 

rights which vary from state to state.

17132 05/14

Copyright © 2014 UEi. All Rights Reserved

Para la versión en español de este manual por favor visite 

www.ueitest.com

Pour une version française du manuel de l'utilisateur s'il vous 

plaît visitez www.ueitest.com

Summary of Contents for H26-475

Page 1: ...OL LW MODE HOLD START STOP EXIT HOLD TO EXIT AVG MODE LW D AREA ON OFF SET MAX MIN AVG DAFM3B 1 800 547 5740 Fax 503 643 6322 www ueitest com email info ueitest com INSTRUCTION MANUAL ENGLISH Digital...

Page 2: ......

Page 3: ...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 Estimating FREE AREA Effective area of a Grill...

Page 4: ...t and air volume CFM CMM 3 diameter air vane Timed accumulative average for air volume with one hour maximum Min Max and Hold English Metric Scales Fast response Auto power off can be disabled Low bat...

Page 5: ...ature 4 EXIT Use to exit setup Note Press and hold to exit timed average display 5 START STOP Press to begin air volume timed average Press a second time to pause timed average 6 LW D AREA Press when...

Page 6: ...ELECTING UNITS With the meter off press and hold ON OFF Set button for more than two seconds Press MIN MAX AVG to select unit P10 Press or to switch units Press MIN MAX AVG to select choice Press EXIT...

Page 7: ...Diameter D If measuring the exit with a grill it is recommended to use the effective area or free area A from the grill manufacture If this is not known the air volume measurement will be an estimate...

Page 8: ...ed average a Slowly move the probe across the entire surface of the grill or duct opening 5 Press STOP to end timed average a The cumulative timer will stop when the DAFM3B is not capturing data 6 Pre...

Page 9: ...area Note For return registers that are more open increase the factor to 0 9 90 open For louvered registers with much more covered area decrease to 0 5 or 0 6 50 60 open Example 4 x10 residential flo...

Page 10: ...your meters case using a damp cloth not wet only DO NOT use abrasive flammable liquids cleaning solvents or strong detergents as they may damage the finish impair safety or affect the reliability of...

Page 11: ...range 7 6 158 F 22 70 C Wet bulb resolution 0 1 F 0 1 C Air volume display 0 99999 CFM m3 s Air volume resolution 0 1 0 9999 9 1 10000 99999 Dew point range 90 158 F 68 70 C Dew point resolution 0 1...

Page 12: ...for a particular purpose are limited to the express warranty UEi shall not be liable for loss of use of the instrument or other incidental or consequential damages expenses or economic loss or for an...

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