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UEi DAFM3B, Instruction Manual

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UEi DAFM3B Instruction Manual Download 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

Estimating FREE AREA (Effective area) of a Grill ......................................8
Maintenance
 

Low Battery  ......................................................................................9

 Cleaning ............................................................................................9
 

Battery Replacement ........................................................................9

Specifications ...........................................................................................10
Warranty and Service Information  ..........................................................11

Summary of Contents for DAFM3B

Page 1: ...VOL 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 Air Flow Meter DAFM3B ...

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Page 3: ...s 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 8 Maintenance Low Battery 9 Cleaning 9 Battery Replacement 9 Specifications 10 Warranty and Service Information 11 ...

Page 4: ...nt 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 battery indicator INCLUDED DAFM3B Meter Air vane probe Battery 1 x 9V User manual Hard carrying case SAFETY NOTES Before using this meter read all safety information carefully In this manual the word WA...

Page 5: ...rature 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 setting up area for calculation of air volume Pressing repeatedly scrolls through the three options LW Length Width D Diameter A Area 7 MIN MAX AVG Press to display minimum or maximum values for any ...

Page 6: ...SELECTING 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 to return to normal operation BASIC MEASUREMENT When the DAFM3B is first powered on air velocity is the default display To view other parameters press MODE key Each parameter will be displayed in tu...

Page 7: ...r 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 Note Grill manufacturers often provide engineering data on effective or free area This is indicated as the Ak value ENTERING DUCT INFORMATION 1 Press MODE until VOL is showing in the upper right cor...

Page 8: ...med 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 Press MIN MAX AVG after capturing data to view average volume a AVG flashing and elapsed time will show when displaying average b AVG flashing elapsed time and MIN will show minimum measured volume c AV...

Page 9: ...n 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 floor register Step 1 4 and 10 Step 2 4 x 10 40 square inches Step 3 40 144 0 2777 square feet Step 4 0 277 x 0 70 0 194 square feet use this when entering free area A on the DAFM3B Method 2 Measure the...

Page 10: ...n 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 the structural components BATTERY REPLACEMENT Remove screw from the battery compartment cover on the back of your meter and remove cover Replace battery with a fresh 9 Volt battery paying attention t...

Page 11: ...b 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 F 0 1 C Dew point accuracy 3 10 60 RH 5 at other range LCD Size HxW 1 38 x 2 13 inches 35 2 x 54 mm Operating temperature range 32 122 F 0 50 C Operating RH Less than 80 handset Storage temperature r...

Page 12: ...s 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 wa...

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