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Related Manuals for TSI Instruments ALNOR AXD 550
Summary of Contents for TSI Instruments ALNOR AXD 550
- Page 1 OWNER’S MANUAL AXD 550 MicroManometer...
- Page 2 Limitation of Warranty and Liability Seller warrants the goods sold hereunder, under normal TO THE EXTENT PERMITTED BY LAW, THE use and service as described in the operator's manual, shall EXCLUSIVE REMEDY OF THE USER OR BUYER, be free from defects in workmanship and material for AND THE LIMIT OF SELLER'S LIABILITY FOR ANY twenty-four (24) months, or the length of time specified in AND ALL LOSSES, INJURIES, OR DAMAGES...
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Page 3: Table Of Contents
Table Of Contents General Description .................... 3 Safety ........................3 Getting Started ....................4 Installing Batteries................... 4 Preparing the Instrument................. 4 Attaching the Optional Pitot Probe ..............4 Attaching a MicroPrinter.................. 4 Start-Up Sequence..................5 Zeroing the Instrument ..................5 Clearing the Memory .................. - Page 4 ® ™ Appendix C: Serial Communication using Microsoft Windows “Terminal”......................15 To prepare meter and computer for serial communication:......15 To download memory from a meter to “Terminal”: ........15 First method: ................... 15 Second method: ..................15 To export data from “Terminal” to another Windows application:....15 Serial Communication Through Windows 95 ..........
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Page 5: General Description
General Description The AXD 550 MicroManometer is a meter that measure. Optional hoses and pitot probes are measures differential pressure. It is also capable of available. measuring and displaying air velocity and volume The instrument’s memory can hold 100 readings flow. -
Page 6: Getting Started
Getting Started Installing Batteries If desired, attach the wrist strap to the bottom of the instrument. The AXD 550 uses three (3) AA size nonrechargeable batteries. The unit was shipped with batteries not installed. You will find the Attaching the Optional Pitot Probe batteries in the instrument package. -
Page 7: Start-Up Sequence
To attach the printer: • Make sure there is no air flowing past a Pitot probe. Also verify that none of the tubing is • Grasp the 8521 integral cable at the connector. pressurized by accidental squeezing. • Align the keyway. •... -
Page 8: Axd 550 Keypad And Menus
AXD 550 Keypad and Menus The AXD 550 Keypad The VOL key prepares the AXD 550 for air volume Each key (except ZERO) has two different measurements. After pressing this functions. The primary function is shown above key, you must indicate whether the diagonal line on the key’s surface. -
Page 9: Secondary Key Functions
Menu Selections UNIT The UNIT key allows you to select a unit of measurement. The ↑ Pressing the MENU key activates the main menu. ↓ keys move through the choices. Use the ↑ ↓ keys to scroll through the Use the ↵ key to accept a choice, available selections. -
Page 10: Using The Axd 550
This automatic shut-off option can Selecting this item allows the user be enabled or disabled by pushing to enable (on) or disable (off) the serial port. to select [ ] or [ ↑ ↓ then pushing the . key to enter •... -
Page 11: To Hold A Reading (For Storage Or Printing)
For example: To change the units of measurement to choose whether you are measuring by area (in from feet per minute (fpm) to meters per second square units) or by a round or rectangular cross- (m/s): section. Push the UNIT key until [ ] appears. -
Page 12: Data Storage
Data Storage memory until they are cleared or if the instrument is damaged or malfunctions. All measurements stored in the instrument’s memory are recorded on pages. A page is created A copy of this data can be obtained if a printer or whenever: computer is attached to the instrument. -
Page 13: Maintenance
Symptom Possible Cause and Corrective Action Measurement is erratic The input is not steady. Change your time constant setting to a higher value. Check to see that your Pitot probe is held steady. Erroneous readings Make sure that your Pitot probe is perpendicular to the air flow you are measuring. -
Page 14: Appendix A: Traversing A Duct To Determine Average Air Velocity Or Volume
Appendix A: Traversing a Duct to Determine Average Air Velocity or Volume The following techniques can be used to measure Traversing a Round Duct airflow inside ducts using a velocity probe or Pitot Using the log-Tchebycheff method, the duct is tube. -
Page 15: Notice Of Disclaimer
Figure 5: Location of measuring points for traversing a rectangular duct using the log- Tchebycheff method Number of points or traverse lines per side Position relative to inner wall Figure 4: Location of measuring points when 0.074, 0.288, 0.500, 0.712, 0.926 traversing a round duct using the log-Tchebycheff 0.061, 0.235, 0.437, 0.563, 0.765, 0.939... -
Page 16: Appendix B: Time Constant Averaging Technique
Appendix B: Time Constant Averaging Technique The averaging technique is common to many types new value for the displayed reading, a more stable of instrumentation. It also tends to increase the displayed reading results. The following table display rate of the microprocessor on the LCD. In shows the [ ] value and the percentages of new other words, the lower the time constant value, the... -
Page 17: Terminal
Appendix C: Serial Communication using Microsoft Windows “Terminal” ® ™ reappears on the terminal screen, then continue To prepare meter and computer for typing EE1. serial communication: Turn on your meter. Second method: 1. Connect the meter to the serial port on your At the terminal and after following the steps under PC using the Interface Cable (part no. -
Page 18: Serial Communication Through Windows 95
6. Enter the filename under which you will store Set port settings under Com1 Properties to the data. 1200BPS, 8 data bits, no parity, stop bits 1, and Flow Control to None, click OK. 7. Choose the OK key. Click File and choose Properties. Click on Settings, choose ASCII set up. -
Page 19: Appendix E: Correction Factors For Non-Standard Conditions
Appendix E: Correction Factors for Non-Standard Conditions The AXD 550 is a differential pressure instrument. temperature. Convert to units of °F and in Hg When it is connected to a Pitot-static probe, it can if the temperature and pressure were not taken be used to measure velocity. -
Page 20: Axd 550 Density Correction Factors
AXD 550 Density Correction Factors For Different Altitudes and Temperatures Altitude (ft.) Temp F° Level 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 -40° 0.89 0.91 0.92 0.94 0.96 0.98 1.00 1.02 1.04 1.05 1.07 0° 0.93 0.95 0.97 0.99 1.01... -
Page 21: Appendix F: Effects Of Resolution On Accuracy Statement
Appendix F: Effects of Resolution on Accuracy Statement The AXD 550 MicroManometer has a resolution e.g. differential pressure of .01 inches H of .01 inches H O (1 Pa in metric units). accuracy statement is ± (.01 x .01 + .01) or ±.0101 inches H O or reading error is The accuracy statement reads ±... -
Page 22: Service Information
Service Information Contact TSI Incorporated directly, before Send your instrument to the factory transportation returning your instrument. See INSTRUCTIONS prepaid. To assure fast turn-around time, FOR RETURN. Follow the procedure carefully as photocopy and fill out this form with as much it will expedite processing. -
Page 23: Instructions For Return
Instructions for Return Service and Repair Damaged in Transit Please return your Product Registration Card All orders are carefully packed for shipment. On immediately. This allows us to send you service receipt, if the shipping container appears to have reminders, special offers, and important been damaged during shipment, the instrument information about your product. -
Page 24: Ownership/Calibration Log
Ownership/Calibration Log Equipment Log Date of Purchase _________________________________________________________________________ Calibration Record ________________________________________________________________________ 1. ____________________________ 2. ___________________________ 3. _________________________ 4. ____________________________ 5. __________________________ 6. _________________________ 7. ____________________________ 8. ___________________________ 9. _________________________ 10. ____________________________11. __________________________ 12._________________________ Notes: __________________________________________________________________________________ _______________________________________________________________________________________ _______________________________________________________________________________________ _______________________________________________________________________________________ _______________________________________________________________________________________ _______________________________________________________________________________________ _______________________________________________________________________________________ _______________________________________________________________________________________ _______________________________________________________________________________________... - Page 25 AXD 550 MicroManometer Specifications Measurement Units Physical Dimensions 7.6 x 3.2 x 1.3 inches Pascals 193 x 81 x 33 millimeters in. H 2 O inches of Water Column Weight 11.6 oz. (330g) with batteries mm. H 2 O millimeters of Water Column Power Source 3 AA-size alkaline batteries feet per minute...
- Page 26 TSI Incorporated Alnor Products 500 Cardigan Road Shoreview, MN 55126 USA Toll-Free (800) 424-7427 Telephone (651) 490-2811 September 2002 Fax (651) 490-3824 Printed in USA www.alnor.com Part No. 116-159-128 Rev. 13 customerservice@alnor.com © Copyright 1999–2002 TSI Incorporated...
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