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AIR VELOCITY METER

ALNOR

®

MODEL

AVM440/AVM440A

AIRFLOW™ INSTRUMENTS

MODEL TA440/TA440A

OPERATION AND SERVICE MANUAL

P/N 1980584, REV G

FEBRUARY 2016

www.

.com

[email protected]

1.800.561.8187

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Содержание AIRFLOW TA440

Страница 1: ...AIR VELOCITY METER ALNOR MODEL AVM440 AVM440A AIRFLOW INSTRUMENTS MODEL TA440 TA440A OPERATION AND SERVICE MANUAL P N 1980584 REV G FEBRUARY 2016 www com information itm com 1 800 561 8187 ...

Страница 2: ...e instrument is opened by anyone other than a factory authorized service center with the one exception where requirements set forth in the manual allow an operator to replace consumables or perform recommended cleaning g This warranty is VOID if the product has been misused neglected subjected to accidental or intentional damage or is not properly installed maintained or cleaned according to the r...

Страница 3: ...f loss and will be returned if at all at Seller s risk of loss Buyer and all users are deemed to have accepted this LIMITATION OF WARRANTY AND LIABILITY which contains the complete and exclusive limited warranty of Seller This LIMITATION OF WARRANTY AND LIABILITY may not be amended modified or its terms waived except by writing signed by an Officer of Seller Service Policy Knowing that inoperative...

Страница 4: ...robe 3 Retracting the Probe 3 Connecting to a Computer 4 CHAPTER 3 OPERATION 5 Keypad Functions 5 Common Terms 5 Menus 6 DISPLAY SETUP 6 SETTINGS 6 FLOW SET UP 6 ACTUAL STANDARD SETUP 6 DATA LOGGING 7 Measurements 7 Log Mode Log Settings 7 Delete Data 7 Memory 7 LogDat2 Downloading Software 8 CHAPTER 4 MAINTENANCE 9 Recalibration 9 Cases 9 Storage 9 CHAPTER 5 TROUBLESHOOTING 11 APPENDIX A SPECIFIC...

Страница 5: ...nd 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 2 Instrument 3 USB cable 4 CD ROM with downloading software www com information itm com 1 800 561 8187 ...

Страница 6: ...ide the correct voltage and frequency which is marked on the back of the AC adapter The AC adapter will not recharge the batteries Using the Telescoping Probe The telescoping probe contains the velocity temperature and humidity sensors When using the probe make sure the sensor window is fully exposed and the orientation dimple is facing upstream N o t e For temperature and humidity measurements ma...

Страница 7: ...ed data For more information on how to download stored data see Chapter 3 section titled LogDat2 Downloading Software C a u t i o n This symbol is used to indicate that the data port of the Alnor AVM440 Airflow Instruments TA440 is not intended for connection to a public telecommunications network Connect the USB data port only to another USB port www com information itm com 1 800 561 8187 ...

Страница 8: ...ifferent 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 The statistics average minimum maximum and count are calculated for each test ID The maximum number of test IDs is 100 Time Constant The time constant is an averaging period It is used to dampen the display If yo...

Страница 9: ... are 4 types Round Duct Rectangle Duct Duct Area and Horn Use the or soft keys to scroll through the types and then press the key to accept the desired type To change the value highlight the Enter Settings option and press the key Use the instructions below to change the value of the type that you selected N o t e The horn numbers are the models of the horns For example 100 refers to a horn model ...

Страница 10: ...ing readings and logging by pressing the key The instrument will continue taking measurements until the key is pressed again Auto save and Cont Key modes have the following additional Log Settings Mode Log Settings Auto save Log Interval Cont key Log Interval Pressing the keys simultaneously will lock the keypad to prevent unauthorized adjustments to the instruments To unlock the keypad press the ...

Страница 11: ...on your computer follow the instructions on the label of the LogDat2 CD ROM To download data from the Alnor AVM440 AIRFLOW TA440 connect the supplied computer interface USB cable to the Alnor AVM440 Airflow Instruments TA440 and to a computer USB port Then run the LogDat2 downloading software Within the LogDat2 software either select the tests to be downloaded or double click on a test to open it ...

Страница 12: ...s are intended to make minor changes in calibration to match a user s calibration standards The field adjustment is NOT intended as a complete calibration capability For complete multiple point calibration and certification the instrument must be returned to the factory Cases If the instrument case or storage case needs cleaning wipe it off with a soft cloth and isopropyl alcohol or a mild deterge...

Страница 13: ...ch 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 section 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 instrume...

Страница 14: ... 3 C Resolution 0 1 F 0 1 C Relative Humidity from Velocity Probe Range 5 to 95 RH Accuracy4 3 RH Resolution 0 1 RH Wet Bulb Temperature from Velocity Probe Range 40 to 140 F 5 to 60 C Resolution 0 1 F 0 1 C Instrument Temperature Range Operating Electronics 40 to 113 F 5 to 45 C Operating Probe 14 to 140 F 10 to 60 C Storage 4 to 140 F 20 to 60 C Instrument Operating Conditions Altitude up to 400...

Страница 15: ...culating knuckle 0 38 in 9 5 mm Meter Weight Weight with batteries 0 6 lbs 0 27 kg Power Requirements Four AA size batteries included or AC adapter optional 9 VDC 300 mA min 1 Temperature compensated over an air temperature range of 40 to 150 F 5 to 65 C 2 The accuracy statement of 3 0 of reading or 3 ft min 0 015 m s whichever is greater begins at 30 ft min through 6000 ft min 0 15 m s through 30...

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