TSI Incorporated Alnor RVD Owner's Manual
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TSI Incorporated Alnor RVD Owner's Manual

Rotating vane anemometer
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OWNER'S MANUAL
Model RVD
Rotating Vane Anemometer

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Summary of Contents for TSI Incorporated Alnor RVD

  • Page 1 OWNER’S MANUAL Model RVD Rotating Vane Anemometer...
  • Page 2 LIMITATION OF WARRANTY AND LIABILITY Seller warrants the goods sold hereunder, under normal use and service as described in the operator's manual, shall be free from defects in workmanship and material for twenty-four (24) months, or the length of time specified in the operator's manual, from the date of shipment to the customer.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Chapters Unpacking and Parts Identification ........... 3 Parts Identification ................. 4 Setting-Up ..................5 Supplying Power to the RVD............5 Installing the Batteries............. 5 Using the Optional AC Adapter..........5 Auto Power Off Feature ............5 Selecting the Display Units............6 The Rotating Vane Head...............
  • Page 4 Serial Communications..............13 Connecting the Optional Model 8522 Portable Printer ..13 Printing Data Using the 8522 Portable Printer......13 Connecting to a Computer............14 Downloading Data to A Computer..........15 Data Acquisition (Polling) ............15 Maintenance ................17 Rotating Vane Head ..............17 Recalibration................17 Cases...................17 Storage ..................17 Troubleshooting ................19 Appendixes DIP Switch Settings..............21...

  • Page 5: Chapters

    CHAPTER 1 Unpacking and Parts Identification Carefully unpack the instrument and accessories from the shipping container. Check the individual parts against the list of components in Table 1-1. If any are missing or damaged, notify TSI or your local distributor immediately. Table 1-1: List of Components Item Description Part/Model...

  • Page 6: Parts Identification

    Parts Identification Figure 1-1: RVD and Accessories 1. Keypad 2. Display 3. Printer Output/ Communications Port 4. Battery Access Cover 5. Rotating Vane Head 6. Rotating Vane Handle 7. Articulating Extension...

  • Page 7: Setting-Up

    CHAPTER 2 Setting-Up Supplying Power to the RVD The RVD can be powered in one of two ways: four size AA batteries or the optional AC adapter. Installing the Batteries Insert four AA batteries as indicated by the diagram located on the inside of the battery compartment.

  • Page 8: Selecting The Display Units

    Selecting the Display Units The RVD is capable of displaying the measured values in several different measurement units, as shown in Table 2-1. Table 2-1: Choices of Measurement Units Velocity Temperature Flow Rate ft/min °F /min °C If you wish to change the display units on your RVD, see Appendix A. The Rotating Vane Head The rotating vane head of the RVD contains the velocity and temperature sensors along with stored calibration data.

  • Page 9: Start Up Sequence

    Start Up Sequence When the instrument is first turned on it goes through a preprogrammed power- up sequence that includes an internal self-check which illuminates all the LCD segments. The RVD will then display percentage of battery life remaining (accurate for alkaline batteries only), baud rate, percentage of memory log remaining, time, time constant value, and current test ID.

  • Page 11: Operation

    CHAPTER 3 Operation Keypad Functions When pressing the keys on the front panel, the RVD will beep to confirm the function. If you press a key and the RVD does not beep, then the RVD does not allow that function during the current mode. The RVD has the ability to data log, determine statistics and recall individual data points.

  • Page 12: Temp Key

    TEMP Key Press the TEMP key to display air temperature readings. The RVD will display temperature readings in either degrees Fahrenheit (°F), or degrees Celsius (°C) depending on the DIP switch settings (refer to Appendix A). VOL Key The RVD can calculate air volume using a known area. The RVD displays the volumetric flow in ft /min, m /h, or l/s, depending on the DIP switch setting...

  • Page 13: Sweep Mode

    Sweep Mode This is a way to temporarily bypass the time constant to produce an average during the entire time the READ key is pressed. Press and hold the READ key to start the sample. If the READ key is not released within one second, the instrument is in sweep mode.

  • Page 14: Continuous Data Storage (Datalogging)

    Continuous Data Storage (Datalogging) This option will allow automatic storage of data over a period of time. All readings are stored in test ID numbers. You may store up to 999 samples in 285 test IDs. To set up the datalog feature: Press the TIME LOG key.

  • Page 15: Recall Key

    RECALL Key The RECALL key has two purposes. One is to view the statistics for the current test ID number, and the other is to review data for a particular test ID, including individual sample values. To View Statistics On Current Test ID Number Press and release RECALL key.

  • Page 16: Connecting To A Computer

    from 3 to 0. When 0 is on the display, release the key. If the key is released at any other time, nothing will be printed. To print only a selected test ID, press the RECALL key to show the test ID number.

  • Page 17: Downloading Data To A Computer

    Downloading Data to A Computer “COMPUDAT” is a windows-based program from TSI designed to download the data stored in the memory of the RVD to a computer. This data includes the test ID, measurement, unit of measure, flow area, and time constant. This data is date and time stamped.

  • Page 19: Maintenance

    CHAPTER 4 Maintenance Rotating Vane Head Periodically inspect the rotating vane head to ensure that it is clean. Dust and oil deposits on the temperature sensor or rotating blades decrease the accuracy of the RVD. Caution: The RVD must be switched off for cleaning. Do not use high-pressure air or strong solvents to clean the sensor head;...

  • Page 21: Troubleshooting

    CHAPTER 5 Troubleshooting Table 5-1 lists the symptoms, possible causes, and recommended solutions for common problems encountered with the RVD. If your symptom is not listed, or if none of the corrective actions solve your problem, please contact Customer Service. Table 5-1: Troubleshooting the RVD Symptom Possible Causes...

  • Page 23: Dip Switch Settings

    APPENDIX A DIP Switch Settings To access the DIP switches, remove the batteries from the battery compartment. On the inside of the battery compartment, there is a window with eight DIP switches. The table below shows the functions for each switch.
  • Page 24 Table A-1: DIP Switch Settings Switch Function Settings Temperature Scale OFF: Fahrenheit (°F) ON: Celsius (°C) Auto Shut-off OFF: enabled ON: disabled 3, 4 Velocity/Volume 3 ON, 4 OFF: m/s, l/s (#1 is ON)* Units of measure 3 ON, 4 ON: m/s, m /min selection 3 OFF, 4 OFF: ft/min, ft...

  • Page 25: Field Calibration Adjustments

    APPENDIX B Field Calibration Adjustments The Alnor Rotating Vane Anemometer Model RVD has field adjustment capability. This allows you to override the velocity and/or temperature calibrations of the instrument if necessary. These adjustments will be saved in the instrument's calibration EEPROM. This change is permanent until it is changed again.
  • Page 26 2. Temperature Calibration Adjust The temperature calibration adjustment adds or subtracts a constant number of degrees Fahrenheit (°F) or degrees Celsius (°C) from the displayed reading. The adjustment range is ±10.0°F or ±5.5°C. Temperature calibration adjustments can be done in either the °F or °C scale depending on temperature scale selected.
  • Page 27 SPECIFICATIONS Specifications are subject to change without notice. Specifications in parentheses () indicate metric equivalents. VELOCITY: Range (large head): 50 to 6,000 ft/min (0.25 to 30 m/s) Accuracy (large head): ±1.0% of reading or ±3 ft/min (±0.015 m/s), whichever is greater Range (small head): 80 to 6,000 ft/min (0.4 to 30 m/s) Accuracy (small head): ±1.5% of reading or ±5 ft/min (±0.025 m/s), whichever is greater...
  • Page 28 __________________________________________________________________ TSI Incorporated Alnor Products 500 Cardigan Road Shoreview, MN 55126 USA Toll-free (800) 424-7427 Telephone (651) 490-2811 June 2002 Fax (651) 490-3824 Printed in USA www.alnor.com Part No. 116-159-220, rev . 2 Copyright 2002 TSI Incorporated customerservice@alnor.com...

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