Model 8321 VelociCalc® Rotating Vane Air Velocity Meter
Contents
1. Ventilation Testing Balancing Model 8321 VelociCalc Rotating Vane Air Velocity Meter Operation and Service Manual 1980438 Revision B February 2003 Model 8321 VelociCalc Rotating Vane Air Velocity Meter Operation and Service Manual U S Sales and Customer Service 800 874 2811 651 490 2811 Fax 651 490 3824 SHIP MAIL TO TSI Incorporated 500 Cardigan Road Shoreview MN 55126 3996 1980438 Revision B February 2003 INTERNATIONAL Sales and Customer Service 001 651 490 2811 Fax 001 651 490 3824 E mail address answers tsi com Website USA www tsi com 201 0 Copyright TSI Incorporated April 2001 2003 All rights reserved Address TSI Incorporated 500 Cardigan Road Shoreview MN 55126 USA Fax No 651 490 3824 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 This warranty period is inclusive of any statutory warranty This limited warranty is subject to the following exclusions a Hot wire or hot film sensors used with research anemometers and certain other components when indicated in specifications are warranted for 90 days from the date of shipment b Parts repaired or rep2. using the sweep technique or by averaging the readings by hand When taking multiple readings it should be noted that large variations might be observed between individual readings In general the more readings taken the more accurate the averaged result will be Use on Grilles Better measuring conditions can be obtained on grilles with adjustable direction vanes ifthe vanes on the grilles are temporarily straightened before making measurements This should not significantly affect the flow rate as long as any built in dampers are not accidentally disturbed It is advisable to use the aperture the actual effective area of air flow not the surface area of the grill in any flow rate calculation The VELOCICALC Rotating Vane is suitable for both supply and exhaust grilles and the procedure for both is the same except that the direction arrow Operation 11 on the instrument head must be aligned correctly with the direction of the air flow The head should be held close to the grille on exhaust but the head should not touch the grille Sweep Technique In addition to traditional traverse methods you may prefer to use a sweep technique A continuous and uniform movement of the VELOCICALC Rotating Vane over the entire measurement plane while the SAMPLE key is depressed will produce a time averaged reading If you attempt to rely solely on this method you should verify your sweep technique against co
3. CICALC Rotating Vane is in volume mode Press the CLEAR MENU key once The display will show ArEA Use A and Y keys to select a value for area Press CLEAR MENU key twice to accept the value and begin reading in flow rate The area value must be in either ft for English units or m for metric units To calculate the square area of your measurement area use one the following formulas square or rectangle length fi xwidth ft area ft length in xwidth in _ 144 area ft length m xwidth m area m length cm xwidth cm 10 000 area m Operation 9 round n x r area ft where m 3 14 and r radius ft n x r area m where TT 3 14 and r radius m mx 1 144 area ft where m 3 14 and r radius in mx 1 10 000 area m where m 3 14 and r radius cm Helpful Information in Using Rotating Vane Anemometers When used in airstreams of similar size or smaller than the VELOCICALC Rotating Vane head blockage effects may occur Velocity readings should be considered a relative measurement in this case This effect is somewhat variable depending on the size of the airway and the distance from the duct walls If 10 Chapter 2 the area is larger than 2 15 ft 0 2 m the effect should be minimal Flow Rate in Larger Areas When checking air velocity or volume flow rate over large areas multiple spot readings should be taken either
4. apter 4 Troubleshooting Table 2 lists the symptoms possible causes and recommended solutions for common symptoms encountered with the VELOCICALC Rotating Vane If your symptom is not listed or none of the solutions solves your problem please contact TSI Table 2 Troubleshooting the VELOCICALC Possible Corrective Symptom Causes Actions No display Unit not Press the switched on ON OFF key Low or dead Replace the batteries batteries Dirty battery Clean the battery contacts contacts Batteries Check the battery installed alignment against incorrectly illustration inside battery cover Display reads Batteries are Replace the LO BATT getting low batteries 15 Symptom BATT flashes and then no display Display reads Ur for temp value Display reads Or for temp value Display reads Or for Velocity value Display reads CAL 16 Possible Corrective Causes Actions Batteries are Replace the dead batteries Temperature Make sure is under range parameters are within range Temperature Return to factory sensor is for repair damaged Temperature Make sure is over range parameters are within range Temperature Return to factory sensor is for repair damaged Velocity is Make sure over range parameters are within range Instrument is Return to factory damaged for repair Instrument is Return to factory out of for recalibration calibration Chapter 4 Ap
5. es of battery life remaining after which the instrument will display Batt and shut off Auto Shut Off The VELOCICALC Rotating Vane has an auto shut off feature to help preserve battery life If no keys are pressed for 10 minutes the instrument will automatically turn itself off You cannot disable this function Safety Observe common sense safety precautions when using the VELOCICALC Rotating Vane Exercise care to ensure that the instrument does not interfere with any moving equipment or electrical wiring 2 Chapter 1 Product Registration Please return your Product Registration Card immediately This allows us to send service reminders special offers and important information about your product Setup Chapter 2 Operation This chapter thoroughly explains how to operate the VELOCICALC Rotating Vane General Information The VELOCICALC Rotating Vane is intended for measurement of air velocity and volume flow at return grilles fume hoods kitchen exhausts etc It uses rotating vane anemometer technology Air movement causes rotation of a multi blade fan mounted in low friction bearings An infrared sensor translates fan blade movement into measured air velocity In addition the temperature of the airflow is measured and displayed simultaneously with the flow reading Vane Head Orientation The VELOCICALC Rotating Vane features a 270 degree rotating head with detents at every 90 and will function sat
6. isfactorily in any angular position This allows the LCD display to be viewed from the front of the instrument while the head is oriented with the flow direction LCD Display The large four digits will display the velocity or volume reading The smaller digits near the upper left corner will always display temperature There are thirteen arrow indicators seven along the top ofthe display and six along the bottom of the display These indicators show units of measure statistics min max avg the X1 000 multiplier and area Detailed Operation Press the ON OFF key to turn the VELOCICALC Rotating Vane on and off When the instrument is first turned on it briefly illuminates all the LCD display segments The VELOCICALC Rotating Vane powers up reading in the unit of measure used last English Metric Unit Selection To select between English Imperial and Metric units press the CLEAR MENU key twice The 6 Chapter 2 display will show E n G for English or TIN E t for Metric Use either the A or Y key to make your selection Press the CLEAR MENU key to accept the selection Once English or Metric are chosen the A or Y arrows can be pressed to move between displaying in different units In Metric units the choices are m s km hr 1 s or m h In English the choices are fpm ft m mph and cfm Measuring Air Velocity Once the Model 8321 VELOCICALC Rotating Vane has started up 1t will begin reading velocit
7. laced as a result of repair services are warranted to be free from defects in workmanship and material under normal use for 90 days from the date of shipment Seller does not provide any warranty on finished goods manufactured by others or on any fuses batteries or other consumable materials Only the original manufacturer s warranty applies d Unless specifically authorized in a separate writing by Seller Seller makes no warranty with respect to and shall have no liability in connection with goods which are incorporated into other products or equipment or which are modified by any person other than Seller The foregoing is IN LIEU OF all other warranties 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 REMEDY OF THE USER OR BUYER AND THE LIMIT OF SELLER S LIABILITY FOR ANY AND ALL LOSSES INJURIES OR DAMAGES CONCERNING THE GOODS INCLUDING CLAIMS BASED ON CONTRACT NEGLIGENCE TORT STRICT LIABILITY OR OTHERWISE SHALL BE THE RETURN OF GOODS TO SELLER AND THE REFUND OF THE PURCHASE PRICE OR AT THE OPTION OF SELLER THE REPAIR OR REPLACEMENT OF THE GOODS IN NO EVENT SHALL SELLER BE LIABLE FOR ANY SPECIAL CONSEQUENTIAL OR INCIDENTAL DAMAGES SELLER SHALL NOT BE RESPONSIBLE FOR INSTALLATION DISMANTLING OR REINSTALLATION COSTS OR CHARGES No Action regardless of form may be brough
8. nventional traverse methods 12 Chapter 2 Chapter 3 Maintenance The VELOCICALC Rotating Vane requires very little maintenance to keep it performing well Care and Maintenance Remove the batteries from the instrument if not used for an extended period of time Do not bend or touch blades or accuracy will be affected Do not immerse in liquids Do not drop the instrument Use the carrying case for storage transport and protection from dust Use a clean damp cloth to wipe the instrument case Do not wipe the blades Return the VELOCICALC Rotating Vane for service if the instrument was dropped blades were deformed or liquid spilled on the instrument the blades in particular Service and Calibration Information To maintain a high degree of accuracy in your velocity measurements TSI recommends that you return your instrument to the factory for annual calibration For a nominal fee we will recalibrate the unit and return it to you with a certificate of calibration and NIST traceability This annual checkup assures you of consistently accurate readings it is especially Important in applications where strict calibration records must be maintained Before sending your instrument for calibration or repair you should call TSI Customer Service at 800 874 2811 TSI will provide you with the cost of service or calibration Return Material Authorization RMA number and shipping Instructions 14 Chapter 3 Ch
9. pendix A Specifications Specifications are subject to change without notice Specifications in parentheses indicate metric equivalents MEASUREMENT RANGE Velocity 50 6 000 fpm 0 25 30 m s 0 57 68 mph 0 9 110 km h Temperature 32 140 F 0 60 C DISPLAYED VOLUMETRIC FLOW RATE 4 5400 x 1 000 cfm 1 9 2548 x 1 000 l s 6 8 9174 x 1 000 m h Actual range is a function of velocity x area input Area Input 0 08 900 ft 0 007 83 m DISPLAY RESOLUTION Velocity 1 fpm 0 001 m s under 10 00 m s 0 01 m s otherwise Temperature 1 F 1 C ACCURACY Velocity 1 of reading or 5 fpm or 0 025 m s whichever is greater Temperature 2 F 1 C DISPLAY 4 digit 0 45 in 11 mm high LCD with 2 5 digit 0 15 in 3 8 mm high temperature indicator 17 INSTRUMENT STORAGE TEMPERATURE 14 140 F 10 60 C INSTRUMENT OPERATING TEMPERATURE 32 140 F 0 60 C POWER SOURCE 4 AA size Alkaline or NiCd batteries BATTERY LIFE Approximately 24 hours continuous use with alkaline batteries NiCd batteries will result in less battery life OVERALL DIMENSIONS 11 5 L x 4 0 H x 1 8 D in 29 2 L x 10 2 H x 4 7 D cm WEIGHT batteries included 13 1 oz 370 g 18 Appendix A TSI TSI Incorporated 500 Cardigan Road Shoreview MN 55126 U S A Web www tsi com
10. t against Seller more than 12 months after a cause of action has accrued The goods returned under warranty to Seller s factory shall be at Buyer s risk of 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 or defective instruments are as detrimental to TSI as they are to our customers our service policy is designed to give prompt attention to any problems If any malfunction is discovered please contact your nearest sales office or representative or call TSI s Customer Service department at 800 874 2811 USA and 001 651 490 2811 International CONTENTS Chapters VS SOCU iii 1 Unpacking uesensneneeeneeneenne nen 1 Installing the Batteries 2 Low Battery Indication e 2 Auto Shut Off cnesesessessensessensennenennn 2 SU o eet 2 Product Registration 3 2 OPeratiON cicccocinnascincane e eninna dinner 5 General Information 5 Vane Head Orientation 5 LCD Display 6 Detailed Operation 6 English Metric Unit Selection 6 Measuring Air Velocity enee 7 Measuring Air Vol
11. ume 8 Helpful Information in Using Rotating Vane Anemometer cece eeeeeee 10 Flow Rate in Larger Areas 11 Use on Grilles ini o 53 11 Sweep Technique ooooconicnnconionnooncononnoo 12 vil 3 Maintenance uu2u2u0un00ununnannnnnnnnnnnnn 13 Care and Maintenance nnee 13 Service and Calibration Information 14 4 Troubleshooting uerzesnnnennnennnnnnnnnnnn 15 Appendix A SpecificatiONS occcononnnoonoccccncnnnnnnos 17 Chapter 1 Setup This chapter guides you through unpacking and installing batteries into your VELOCICALC Rotating Vane See Chapter 2 for a detailed description of the digital VELOCICALC Rotating Vane s operating functions Unpacking Carefully unpack the instrument and accessories from the shipping container Check the individual parts against the list of components in Table 1 Ifany are missing or damaged notify TSI immediately Table 1 List of Components VELOCICALC Rotating Vane 8321 319291 AA alkaline batteries 1208013 Operation and service manual 1980438 Installing the Batteries The VELOCICALC Rotating Vane requires four 4 AA batteries The batteries are not installed when the instrument is shipped Remove the battery cover by pressing on the latch Install the batteries noting the correct polarity orientation Low Battery Indication When the LO BATT icon appears the VELOCICALC Rotating Vane has about 10 minut
12. y in real time This means the display will update continuously with the current value To read real time velocity of a location hold the rotating vane in the air stream noting the flow direction arrow on the instrument head Keep the vane in the air stream about five seconds This allows the vane anemometer to reach steady speed To hold a velocity reading on the display press the SAMPLE key The instrument will beep and the measured value will be displayed Operation 7 Note The average maximum and minimum values may be viewed after a hold sample but they will all be the same since there was only one sample value taken To hold another reading press the SAMPLE key again To return to reading real time velocity press the CLEAR MENU key To take a sweep reading press and hold the SAMPLE key for the desired time period The instrument will beep approximately every second Release the SAMPLE key to stop the measurement and display the average value After a time averaged reading is made you can view the average maximum and minimum values of the measuring sequence Press the A or Y key to toggle through average maximum and minimum Press the CLEAR MENU key to exit the statistics for the sample and go back to real time measuring Measuring Air Volume The operation for air volume measuring is the same as air velocity Once a volumetric unit of 8 Chapter 2 measure is chosen the VELO
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