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11 

Chapter 5 
 
Troubleshooting 

Table 5-1 lists the symptoms, possible causes, and recommended solutions 
for common problems encountered with the Model 5725. If your symptom is 
not listed, or if none of the solutions solves your problem, please contact 
TSI. 
 

Table 5-1:  Troubleshooting the Model 5725  

 

Symptom 

Possible Causes 

Corrective Action 

No Display 

Unit not turned on 

Switch unit on. 

 

Low or dead batteries 

Replace batteries or plug 
in AC adapter. 

 

Dirty battery contacts 

Clean the battery 
contacts. 

Velocity reading 
fluctuates unstable 

Fluctuating flow 

Reposition probe in 
less-turbulent flow or use 
longer time constant. 

Instrument Error 
message appears 

Memory is full 

Download data if desired, 
then DELETE ALL 
memory. 

 

Fault in instrument 

Factory service required 
on instrument. 

 
 

WARNING

!

 

Remove the probe from excessive temperature immediately: 
excessive heat can damage the sensor. Operating temperature limits 
can be found in 

Appendix A, Specifications

.  

 

Summary of Contents for VELOCICALC 5725

Page 1: ...Ventilation Testing VELOCICALC Air Velocity Meter Model 5725 Operation and Service Manual ENERGY AND COMFORT...

Page 2: ...rranties and is subject to the LIMITATIONS stated herein NO OTHER EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR PARTICULAR PURPOSE OR MERCHANTABILITY IS MADE TO THE EXTENT PERMITTED BY LAW THE EXCLUSIVE...

Page 3: ...Using the Optional Articulating Extension 3 Connecting to a Computer 3 CHAPTER 3 OPERATION 5 Keypad Functions 5 Common Terms 5 Menus 6 DISPLAY SETUP 6 SETTINGS 6 FLOW SET UP 6 DATA LOGGING 6 Measurem...

Page 4: ......

Page 5: ...ack the instrument and accessories from the shipping container Check the individual parts against the list of components below If anything is missing or damaged notify TSI immediately 1 Carrying case...

Page 6: ......

Page 7: ...he handle screw the handle into the bottom of the rotating vane head until secure Remove the handle after use to prevent damage to either the head or the handle Using the Optional Articulating Extensi...

Page 8: ...ata see Chapter 3 section titled LogDat2 Downloading Software Caution This symbol is used to indicate that the data port of the Model 5725 is not intended for connection to a public telecommunications...

Page 9: ...e used in different places The following is a brief explanation of the meanings of those terms Sample Consists of all of the measurement parameters stored at the same time Test ID A group of samples T...

Page 10: ...soft keys to scroll through the settings for each option and use the key to accept settings FLOW SET UP In Flow Setup mode there are 3 types Round Duct Rectangle Duct and Duct Area Use the g or h soft...

Page 11: ...clear memory and reset the memory available LogDat2 Downloading Software The Model 5725 comes with special software called LogDat2 Downloading Software which is designed to provide you with maximum f...

Page 12: ......

Page 13: ...824 The Model 5725 can also be recalibrated in the field using the CALIBRATION menu These field adjustments are intended to make minor changes in calibration to match a user s calibration standards Th...

Page 14: ......

Page 15: ...unit on Low or dead batteries Replace batteries or plug in AC adapter Dirty battery contacts Clean the battery contacts Velocity reading fluctuates unstable Fluctuating flow Reposition probe in less t...

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Page 17: ...ating Electronics 40 to 113 F 5 to 45 C Operating Vane Head 32 to 140 F 0 to 60 C Storage 4 to 140 F 20 to 60 C Instrument Operating Conditions Altitude up to 4000 meters Relative humidity up to 80 RH...

Page 18: ...14 Appendix A Power Requirements Four AA size batteries included or AC adapter optional 9 VDC 300 mA 4 18 watts input voltage and frequency vary depending on which adapter is used...

Page 19: ...i com Website www tsiinc fr Germany Tel 49 241 523030 E mail tsigmbh tsi com Website www tsiinc de Sweden Tel 46 8 595 13230 E mail tsiab tsi com Website www tsi se India Tel 91 80 41132470 E mail tsi...

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