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8375 Owner`s Manual

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1. Select the RS232 Output Device Computer or Printer Press to display CHANGE Test ID Press until SETUP appears Press lt 4 Press until COM DEV appears Press 4 The display shows the current selection PRINTR or COMPU Me em Chapter 4 How To 23 6 Press A or Y to change device 7 Press COM DEV is displayed 8 Press ESC to return to SETUP Set the Baud Rate Before transferring data to a computer or printer you must set the baud rate to the speed at which your printer or computer will accept information Press to display CHANGE Test ID Press until SETUP appears Press lt 4 Press until BAUD appears Press A The display shows the currently selected baud rate Press A or Y to change the baud rate Options are 19200 9600 4800 2400 and 1200 Press BAUD is displayed Press ESC to return to SETUP 9e mA ome UY cO Oe oe Set the Format for Date and Decimal The Format option lets you set the format for the date mm dd or dd mm and also for the delimiter or the instrument uses Press to display CHANGE Press until SETUP appears Press lt 4 Press until FORMAT appears Press lt 4 The currently selected format appears SUCUS A o as Press A or V to change the format Options are a Peri nndd use a period for the delimiter and show date as month day a Peri ddnn use a period for the delimiter and show date as day month Q Conn nndd use a comma for the
2. Capture Hood and Velocity Matrix the instrument uses barometric pressure measured by an internal barometric pressure sensor For these tools the instrument will also use temperature measured by a temperature sensor plugged into the side of the meter The hood base temperature sensor accessory temperature probe or the accessory temperature humidity probe can be used for supplying this temperature measurement If none of these temperature sensors are plugged in you will need to enter the flow temperature using the STP SET menu For the Diffuser Flow tool Flow from Pressure and K factor temperature and barometric pressure are not used for calculating flow Therefore the user is not required to enter a temperature for this tool Chapter 4 How To 21 To display the Barometric Pressure 1 2 3 4 5 Press lt 4 to display CHANGE Test ID Press until STP SET appears Press ACT STD is displayed Press until B PRESS appears The measured barometric pressure is displayed Barometric pressure is not changeable by the user Press ESC to return to the STP SET menu To view the Measured Temperature and set the Entered Temperature Note Since the entered temperature is not used for the Diffuser Flow tool Flow from Pressure and K Uu E tr p uin factor this ENT MES menu screen is not available if that tool is selected Press to display CHANGE Test ID Press until STP SET appears Press lt 4 ACT STD is
3. ON and OFF 7 Press 4 DEADbAnd is displayed 8 Press ESC to return to the main display Calibrate the Micromanometer User Calibration A full instrument checkout and calibration with a calibration certificate is available from the factory However some users prefer to calibrate their own instruments Pressure temperature and humidity can be calibrated in the field 1 Press to display CHANGE Test ID Press until CALIB appears 2 3 Press 4 The display shows CALIB plus which measurement is selected for calibration 4 Press until the desired measurement to calibrate is shown 5 Press The display shows SPAN and the requested calibration condition is shown on the bottom left If the current measurement is available for display it will be shown on the bottom right 6 Try to expose the sensor being calibrated to a condition close to the requested calibration condition on the lower left Press A or Y to change the value shown on the lower left to the actual value you want the display to read under that condition 7 Press lt 4 The display will show the next desired span condition Repeat steps 6 7 until the display shows DONE If any errors are shown on the display it is because the user calibration data taken is too much different from the factory calibration data Error codes are explained at the end of Chapter 7 Notes The calibration for the accessory temperature humidity probe is saved on an EEPROM in the
4. meter represents the air flow through the diffuser grille in its original state that is without the presence of the capture hood Verifying Flow Measurements It is always the recommended practice to verify the flow measurements obtained with a capture hood by performing appropriate multi point in duct velocity traverses using a Pitot static tube or a thermal anemometer We recommend the use of the Log linear method when traversing a round duct and the Log Tchebycheff method when traversing a rectangular duct We recommend that you refer to the most up to date copy of the duct traverse specification you require from an approved regulatory or professional organization 51 Appendix B Actual vs Standard Air Velocity and Flow Measurements Actual Air Velocity is also known as the local air velocity It can be thought of as the speed of a microscopic dust particle being carried along in the air stream Actual Air Velocity is measured with a Pitot tube using the basic formula Pair where Vacris Actual Air Velocity in units of Actual Feet per Minute VP is Velocity Pressure measured in units of in H20 Pair is the air density in units of Ib ft Air density Pair can be calculated from the equation Pair 1 325x Bier _ Eq 2 Tacr 460 where Pacr is the atmospheric pressure in units of in Hg Tacr is the local air temperature in units of F Standard Air Velocity is also known as the mass v
5. probe If that probe is unplugged and used in a different micromanometer the calibration will follow the probe The calibration for the temperature probe is saved in the micromanometer If those probes are unplugged and used in a different manometer the calibration will not follow the probe The hood flow calibration is an offset from the factory calibration An offset of 12 can be applied to the hood flow measurement With the hood icon on the display illuminated and the display showing FACTOR use the UP or DOWN key to adjust the offset facto and press ENTER to accept To return to the factory calibration adjust the factor to 1 000 and press ENTER to accept Select User Calibration or Factory Calibration Performing a user calibration does not erase the factory calibration because the user calibration is saved in a different place than the factory calibration It is possible to re select whether the micromanometer uses the user or factory calibration at any time 1 Press lt 4 to display CHANGE Test ID 2 Press until CALIB appears 3 Press 4 The display shows CALIB plus which measurement is selected for calibration Chapter 4 How To 27 Press until the display shows SOURCE U F for the desired measurement Press 4 The display shows SOURCE and whether USEr or FACt is selected for that measurement Press A or V to select USEr or FACt IE MC ux Press to save the selection Notes For the accessory temperature humi
6. 1 ft x 4 ft 305 mm x 1220 mm and 2 ft x 4 ft 610 mm x 1220 mm fabric hood 801206 and frame kit 2 ftx 4 ft 610 mm x 1220 mm fabric hood and frame kit 801201 ftx 5 ft 305 mm x 1525 mm fabric hood and frame kit 801202 1 ft x 5 ft 305 mm x 1525 mm and 3 ft x 3 ft 915 mm x 915 mm fabric hood 801207 and frame kit 3 ft x 3 ft 915 mm x 915 mm fabric hood and frame kit 801203 8 in x 21 in 203 mm x 533 mm BSC fabric hood frame poles and stand kit 801204 10 in x 21 in 254 mm x 533 mm BSC fabric hood frame poles and stand kit 801205 Please complete the registration card included with this product and mail it promptly The card allows us to inform you of product updates If you prefer register through the TSI web site Preparing the Instrument for Use Before you can use the micromanometer you must decide on a power source Power the Micromanometer with the AC Adapter When the AC adapter is plugged into the micromanometer the unit automatically turns on runs a brief diagnostic check and briefly lights all segments of the display It then displays the type of batteries the unit is set to use alkaline or rechargeable NiMH and turns itself OFF Whenever the AC adapter is plugged into the micromanometer the rechargeable batteries are recharged Assuming you are using rechargeable batteries and the switch inside the battery compartment is set to NiMH See below Power the Micromanometer with Batteries Wh
7. Maintenance and Troubleshooting uurssunneennennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 45 o UA RD 45 Mibromeromeler aa CL s que Silane e ped ca estu cs 45 Velocity Matrix Manitold aussi and dada 45 A A E a ar E 46 A tits ee cr Acsi d Soucab inc ae iR e RATER Ede Ede dc dd Ue dde der 46 ENON OCG Maa Mme ESI 47 Appendix A Back Pressure 5 0 etx ads 51 Verifying Flow Measurernents ete ec alada 51 Appendix B Actual vs Standard Air Velocity and Flow Measurements 53 About This Manual This manual explains how to set up operate and maintain the TSI Model 8710 DP CALC Micromanometer and Model 8375 ACCUBALANCE Module Air Balancing Tool Read it thoroughly before using the instrument Formatting and Typography a Step by step instructions are numbered in boldface type 1 2 3 etc set flush left against the margin Q References to keys on the micromanometer and the instrument s displayed readout are represented by a typeface called Arial In addition to the different typeface displayed messages appear in quotes Q When reference is made to other sections of the manual the section title is italicized Technical Assistance Help For technical assistance or questions about the instrument of this manual or if the Model 8710 Micromanometer or Model 8375 ACCUBALANCE Modular Air Balancing Tool needs repair or recalibration call Technical Support at 651 490 2811 or 800 874
8. Warranty in H O pa hPa kPa mm Hg in Hg cm Hg mm H O cm H O ft min m s ft min m h m min l s degrees F degrees C min max average up to 1000 readings 1000 readings time and date stamped user selectable 10 to 600 seconds 2 to 8 seconds 6 digit 0 75 in character height multi line sectored multiple symbolic icons high contrast backlit LCD 7 4 in x 4 5 in x 2 3 in 18 8 cm x 11 4 cm x 5 8 cm in OD straight ports for use with 3 16 in ID flexible tubing 8710 17 oz 0 5 kg 8375 7 4 lb 3 4 kg four AA size cells rechargeable NiMH included or alkaline or AC adapter included 7 5 VDC 1 6 A regulated minimum of 12 hours typical hour external charger 4 hours internal charger 2 ftx 2 ft 610 mm x 610 mm 2 ft x 4 ft 610 mm x 1220 mm 1 ft x 4 ft 305 mm x 1220 mm 1 ftx 5 ft 305 mm x 1525 mm 3 ft x 3 ft 915 mm x 915 mm ASCII character codes 1200 2400 4800 9600 19200 baud rate selectable no parity 8 data bits stop bit no handshaking 2 year factory warranty TSI Incorporated 500 Cardigan Road Shoreview MN 55126 U S A USA Tel 1 800 874 2811 E mail info tsi com Website www tsi com UK Tel 444 149 4 459200 E mail tsiuk tsi com Website www tsiinc co uk France Tel 433491952190 E mail tsifrance tsi com Website www tsiinc fr Germany Tel 449 241 523030 E mail tsigmbh tsi com Website www tsiinc de Sweden Tel 46
9. micromanometer to be attached Micromanometer with display Flap Actuator Read Switch c1 O nm Figure 13 Flow Hood Components Hood Assembly The Model 8375 Flow Hood is shipped from the factory partially assembled with the 2 ft x 2 ft 610 mm x 610 mm nylon hood attached to the base If you wish to use another hood size see Alternate Hood Installation below To complete the assembly of the 2 ft x 2 ft 610 mm x 610 mm hood follow these six steps 1 Place the base of the capture hood on the floor 2 Liftthe top of the fabric Insert one end of a support pole into its pole mount in the base There is a cup in each corner of the frame to accept the other end of each support pole 3 Grasp the support pole Bend the pole slightly to insert the top end of the pole into the support pole cup located in the opposite corner of the fabric frame The poles are connected to the frame corners in a crisscross fashion as shown in Figure 14 The support poles always cross as pairs at the front and back of the fabric hood 31 Fe 5 UX ZN N 77 Wy Figure 14 Installing a Support Pole 4 Insert the second support pole into the pole mount on the opposite side of the base Repeat step 3 for the second support pole 6 Repeat steps 4 and 5 for the remaining two support poles Four other hood sizes are available from TSI and can be purchased separately Available hood sizes are identified by the dimensions of
10. the displayed value For these Tools use of a K Factor is optional and setting the K Factor to 1 0 will turn it off The K factor range for these Tools is 0 500 to 1 500 For the Diffuser Flow Tool Flow from Pressure and K factor the use of a K Factor is mandatory The displayed flow for this tool is the square root of pressure times the entered K Factor The K factor range for this Tool is 0 001 to 9 999 You can only enter a K factor if you have selected a Tool that can use a K factor The Pressure Tool does not use K factors To select or set a K factor proceed as follows 1 Press to display CHANGE Test ID 2 Press until K FACT appears 3 Press 4 The K factor currently being used flashes on the display 4 Press to scroll through the available K factors or turn the K factor Off The instrument lets you set four K factors for each tool that uses a K factor 5 If you want to change the value of a K factor use A and Y to change the K factor to the value desired 6 Press to accept the desired K factor K FACT is displayed You can repeat steps 3 6 to select and or adjust other K factors for the Tool Once you set a K factor it remains set until you change it View Set Standard Pressure and Temperature Temperature and barometric pressure are used for calculating some of the flow and velocity measurements shown by this instrument as follows For the Pitot Flow Pitot Velocity Air Flow Flow Air Flow Velocity
11. the frame structure at the top of the hood and include 2 ft x 4 ft 610 mm x 1220 mm 1 ft x 4 ft 305 mm x 1220 mm 1 ft x 5 ft 305 mm x 1525 mm and 3 ft x 3 ft 915 mm x 915 mm To change hood sizes first remove the hood currently attached to the base To remove the attached hood first unlatch the cinch belt where the fabric is attached to the base Then remove the fabric from its frame structure by pulling the shock cord out of the aluminum frame Finally fold up the fabric you just removed so that it can fit into one of the accessory pockets inside the carrying case It is a good idea to fold the fabric so that the tag identifying its size remains visible for future reference Alternate Hood Installation Refer to Figures 15 through 18 to determine the frame channels needed to assemble any of the standard sized frames Select the pieces required for the frame size desired and assemble with the aid of the appropriate figure Each channel is labeled with its number for easy identification Several sections numbers 1 3 and 4 consist of a straight channel portion each a different length and a corner piece This corner piece has an eyelet and slot arrangement which mates with a similar eyelet and slot at the end of the straight portion of the channel pieces see Figure 19 These pieces can be slid together and are self locking by means of a retention spring The arrangement forms a rugged frame which is additionally strengthened when the ho
12. 2811 Product application notes are available to provide more information on the product These application notes as well as other related material can be obtained by visiting the TSI web site at http www tsi com or by calling Customer Service Chapter 1 Introduction The Model 8710 DP CALC Micromanometer is a lightweight and easy to use instrument packaged with a variety of accessories for measuring pressure temperature humidity air velocity and air volume Features of the micromanometer include Single function keys for ease of use Auto zero for pressure measurements and auto density correction User selectable English and metric units Conversions between actual and standard flow Discrete or continuous display and data logging capabilities Output port for downloading to a printer or a PC Powered by AC adapter or batteries rechargeable NiMH or alkaline Full field calibration Ooococooo ob The Micromanometer is designed for Q Test and balance professionals Mechanical contractors a a Industrial hygienists a Plant engineers and facilities maintenance personnel Applications include a Test balance or commission HVAC systems Test clean rooms and biological safety cabinets a a Measure fume hood or filter face velocity a Measure pressure temperature relative humidity air velocity or air flow Instrument Description The basic Model 8710 includes a micromanometer carrying case 18 in 46 c
13. 8595 13230 E mail tsiab tsi com Website www tsi se T a Y India Tel 4918041132470 E mail tsi india tsi com WE China Tel 86 1082601595 E mail tsibeijing tsi com ENCE INNOVATION TRUST CI Contact your local TSI Distributor or visit our website www tsi com for more detailed specifications q P N 1980525 Rev D Copyright O 2007 by TSI Incorporated Printed in U S A m
14. CCUBALANCE Air Balancing Tool Set Units of Measure for Temperature Pressure Velocity Flow and Humidity Press to display CHANGE Test ID Press until SETUP appears Press e Press until UNITS appears Press lt 4 The display shows TEMP Press The display shows the current temperature units Options are F or C Use A and Y to select between options Press lt 4 when you have selected the desired units Press until PRESS is displayed E A A y m Press 4 The display shows the current pressure units Options are in H20 cm H20 mm H20 in Hg cm Hg mm Hg kPa hPa and Pa 11 Use A and Y to select between options 12 Press lt 4 when you have selected the desired units 13 Press until VELFLO is displayed 14 Press 4 The display shows the current velocity flow units Options are ft min for velocity with CFM for flow and m s for velocity with either l s m h or m min for flow 15 Use A and Y to select between options If m h or m min is selected for flow m s will be used for velocity even though m s is not shown on the display 16 Press lt 4 when you have selected the desired units 17 Press until HUMID is displayed 18 Press lt 4 The display shows the current humidity units Options are DEWPT WETBULB and 7 RH 19 Use A and V to select between options 20 Press 4 when you have selected the desired units 21 Press ESC twice to return to SETUP
15. Options are DISCRT and CONTIN Press A or V to change the logging option DU WEN ON Ry SOS cp im Press 3 If you selected DISCRT LOG is displayed Continue with step 9 If you selected CONTIN the display shows LOG INT to indicate you must enter a logging interval 8 Press A and V to select the logging interval Options are in sec 10 15 20 30 60 120 180 240 300 360 420 480 540 and 600 9 Press LOG is displayed 10 Press ESC to return to SETUP Turn Back Pressure Compensation On and Off Back pressure caused by flow through the capture hood can lower the flow being measured causing measurement error If it is desired to minimize this error turn the back pressure compensation on 1 Press to display CHANGE Test ID Chapter 4 How To 25 Fe SN UL oes Press until SETUP appears Press 4 Press until BP COMP appears Press 4 The display shows whether back pressure compensation is on or off Press A or V to change the option Options are ON and OFF Press BP COMP is displayed Press ESC to return to the main display Take Back Pressure Compensated Hood Readings When back pressure compensation is turned on the sequence of taking flow readings with the capture hood is somewhat different 1 2 SS A A Open the flap in the capture hood base Hold the capture hood to the diffuser being measured to capture its air flow Press READ on the meter face or the red Read Switc
16. P CALc Micromanometer and Model 8375 ACCUBALANCE Air Balancing Tool Possible Causes Corrective Action Pressure sensor divider calibration out of Return to factory range 609 A to D reference voltage out of range Return to factory 5V reference voltage out of range Return to factory 71 72 An invalid K Factor was corrected The micromanometer has set the K factor to 1 0 to correct it 74 Pressure voltage for user pressure Re do user calibration calibration out of range 75 User temperature calibration gt 5 F 3 C Re do user calibration different from factory calibration Replace temperature probe Internal program error Please contact the factory Chapter 7 Maintenance and Troubleshooting 49 Appendix A Back Pressure The quantity of air flowing through a supply diffuser or a return grille is reduced to some extent whenever a capture hood is placed over the flow opening The amount of flow reduction will vary depending on the combined effects of the diffuser grille resistance the capture hood resistance and the flow rate The Modular Air Balancing Tool features a built in capability to make flow measurements which are compensated for the effects of the capture hood induced back pressure This is accomplished by taking two sequential flow measurements at a diffuser or grille the first with the back pressure flap OPEN and the second with the flap CLOSED The resulting Backpressure Compensated Flow displayed by the
17. Time 4250 m h capture hood Display Temperature 40 to 250 F 40 to 121 C temperature probe 14 to 140 F 10 to 60 C temperature RH probe 40 to 140 F 4 4 to 60 C operating electronics Storage temperature 4to 160 F 20 to 71 C Hi antem 0 to 95 RH temperature RH probe Resolution Pressure 0 00001 in H5O 0 001 pa static and differential 0 01 in Hg 1 mm Hg absolute Velocity 1 ft min 01 m s Volume 1 ft min 1 m h RN 0 1 RH Temperature 0 1 F 0 1 C Accuracy Pressure 2 of reading 0 001 in H O 0 25 pa static and differential 2 of reading absolute Velocity 3 of reading 7 ft min 0 04 m s gt 50 ft min 20 25 m s Volume 3 of reading 7 ft min 12 m h gt 50 ft min gt 85 m h Hh ts 3 RH Temperature 0 5 F 0 3 C from 32 to 160 F 0 to 71 C max 2 0 F 1 2 C from 40 to 32 F 40 to 0 C and from 160 to 250 F 71 to 121 C Specifications are subject to change without notice Dimensions micromanometer only Pressure connection Weight with batteries Power requirements Battery life Recharge time Hood sizes available Standard Optional RS232C output
18. Ventilation Testing Balancing Model 8710 DP CALc Micromanometer and Model 8375 ACCUBALANCE Modular Air Balancing Tool AccuBaLANcE TS A Operation and Service Manual 1980525 Revision D J uly 2007 Model 8375 AccuBALANCE Modular Air Balancing Tool x28 u W Model 8710 DP CALC E Micromanometer e TRUST SCIENCE INNOVATION LIMITATION OF WARRANTY AND LIABILITY Copyright TSI Incorporated 2005 2007 All rights reserved Address TSI Incorporated 500 Cardigan Road Shoreview MN 55126 USA Fax No 651 490 3824 LIMITATION OF WARRANTY AND LIABILITY effective July 2000 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 replaced 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 C Seller does not provide any warranty on f
19. and their meanings All error codes are preceded by ERR 46 Model 8710 DP CALc Micromanometer and Model 8375 ACCUBALANCE Air Balancing Tool Table 6 Error Codes Possible Causes Corrective Action The AC adapter voltage is too low The NiMH batteries will not recharge fully with low AC adapter voltage The AC adapter voltage is too high The NiMH batteries will not fast charge with high AC adapter voltage Use correct AC adapter Use correct AC adapter rM Model number checksum error Return to factory Accessory temperature humidity probe checksum error for temperature Accessory temperature probe calibration De EITOT ON UA AR N Re NO oo Pressure calibration voltage at 1 in H O must be less than pressure calibration voltage at 5 in H O Pressure calibration voltage at 5 in HO must be less than pressure calibration voltage at 15 in H20 While performing user calibration of accessory temperature humidity probe the correct probe was not found While performing user calibration of accessory temperature sensor the accessory temperature humidity probe was found instead E ON Flap closed pressure was flap open pressure or flap open versus flap closed pressure ratio exceeds allowed limits Chapter 7 Maintenance and Troubleshooting Serial number checksum error Accessory temperature humidity probe checksum error for humidity Pressure senso
20. anging during or between the two measurements the measurement results will be inaccurate Error Display If the limits of allowed flow parameters are exceeded during a backpressure compensated measurement an error message will be displayed This can happen if there are flow reversals during the measurement or other changes in the flow during the measurement such as changing a damper position or as a result of other operator errors 44 Model 8710 DP Catc Micromanometer and Model 8375 ACCUBALANCE Air Balancing Tool Chapter 7 Maintenance and Troubleshooting The Model 8710 Micromanometer is designed for long term field use If used with reasonable care it should be able to make precise measurements over a long time period Some of the components can be cleaned periodically When cleaning the components please follow the instructions given below Fabric Hood The hoods can be washed with mild detergent and cold water When washing the hood keep the hood away from objects with sharp corners or sharp edges Careless cleaning may cause damage If the fabric gets ripped it should be replaced or repaired Duct tape can be placed over the rip on both sides of the fabric for temporary repair To replace a damaged fabric or to order a different fabric size contact your local TSI products distributor To determine who your local TSI products distributor is visti our website at www tsi com or you may call toll free at 800 874 2811 If
21. calculated from the square root of pressure times a user entered K factor Table 3 identifies each Tool and the units of measure available for that tool Table 3 Tool Selection Display Display Shows Tool Units Available mm Hg cm Hg in Hg U Capture Hood l s m hr m min CFM Waa Ie eee X factor and flow units with flow units p with velocity units Pitot Tube Flow l s m hr m min CFM y with velocity units To select a Tool proceed as follows 1 Press to display CHANGE Test ID 2 Press until TOOL appears 3 Press 4 The display shows an icon and units see Table 3 above to indicate the currently selected TOOL and the units selected for it 4 Press A or V to scroll through the available TOOLs See Table 3 above 5 When the TOOL you want to use is displayed press lt 4 6 If you select flow using either a pitot tube or an Air Flow probe the display will flash a C and L This indicates that you need to enter the duct shape and duct size Proceed with steps 7 10 If you selected another TOOL you will return to the TOOL menu Note The only way to change the duct shape or size later is to re enter the Tool select menu and re select the Tool Use A or V to select the duct shape and stop the flashing Press 4 The display shows the currently selected duct size flashing 9 Use A or V tochange the size If you selected a rectangular size you need to enter change the size for bo
22. d dAtA while printing 28 Model 8710 DP CALc Micromanometer and Model 8375 ACCUBALANCE Air Balancing Tool To print all samples stored within a particular Test ID first enter the RECALL menu Select the desired Test ID to print using the up down arrow keys Then press and release the rem key The display will flash Send dAtA while sending To print an individual sample first enter the RECALL menu Select the Test ID containing the desired sample using the up down arrow keys and press 4 Use the up down arrow keys to scroll thru MIN MAX etc until the desired Sample is displayed Then press and release the print icon key The display will flash Send dAtA while sending Connect and Download Data to a Computer Use the RS232 computer interface cable provided to connect the instrument to a COM port on the computer A 9 pin to 25 pin adapter will be required if your computer has a 25 pin serial port connector The program HyperTerminal which comes with Microsoft Windows can be used for capturing data sent by the micromanometer To send data from the micromanometer use the printing function of the micromanometer as shown above The program LogDat which comes with your micromanometer can be used to assist in downloading data to a Windows based computer and formatting that data To install LogDat software run the SETUP EXE file on the LogDat distribution disc Once you open the program it is self directing a
23. delimiter and show date as month day a Conn ddnn use a comma for the delimiter and show date as day month Press to select the new format FORMAT is displayed 8 Press ESC to return to SETUP 24 Model 8710 DP CaLc Micromanometer and Model 8375 ACCUBALANCE Air Balancing Tool Set Display Mode for Running Average or Single If Single is selected the instrument will show READY on its display and will not start taking readings until READ is pressed If Running Average is selected the instrument will constantly measure and display a running average The READ button can then be used to stop and start the running average 1 Press lt 4 to display CHANGE Test Id 2 Press until SETUP appears 3 Press lt 4 4 Press until DS MODE appears 5 Press 4 The display shows the currently selected display mode Options are RUNAVG and SINGLE Press A or Y to change the display mode Press DS MODE is displayed 8 Press ESC to return to SETUP e Select Discrete or Continuous Logging Discrete logging means you have to press SAVE each time you want to save a displayed reading Continuous logging means reading and saving is done automatically at the user selectable Sample Logging Interval Then the continuous logging is started and stopped by pressing SAVE Press to display CHANGE Press until SETUP appears Press e Press until LOG appears Press 4 The display shows the currently selected option
24. displayed Press until ENT MES appears Press 4 The display shows the user ENTered temperature on the left and the currently MEaSured temperature on the right if a temperature sensor is plugged in Adjust the user entered temperature using A and V then press to save it and return to the STP SET menu Note To save time if a temperature probe is installed you can copy the measured temperature to the entered temperature by pressing READ ENTered temperature is used for density correction of velocity or flow values only if no temperature probe is connected If a temperature probe is connected during velocity or flow measurement MEaSured temperature will be used for density correction For most accurate density correction be sure the connected temperature probe is exposed to the temperature of the flow or velocity being measured To Select Actual Flow Velocity or Standard Flow Velocity The Actual Standard selection is used for all tools displaying flow and velocity except the Diffuser Flow Flow from Pressure and K factor tool 1 IX smy RD 22 Press to display CHANGE Test ID Press until STP SET appears Press lt 4 ACT STD is displayed Press 4 The display shows the currently selected option flashing Options are ACTUAL and STD Use A or V to select the option you want to use Press ENT MES is displayed Press ESC to return to the STP SET menu Model 8710 DP CALc Micromanometer and Model 8375 A
25. dity probe it is not possible to mix user and factory calibrations for the different measurements For example USEr cannot be selected for temperature with FACt selected for humidity The hood flow calibration factor is applied when the offset factor is changed There is no option to select USEr or FACt calibration for hood flow measurement Set value to 1 000 to restore factory calibration Connect and Download Data to an Optional Printer To connect a printer use the RS232 printer cable supplied with the optional printer Note that the printer interface cable is different from the computer interface cable The printer must be set to the same baud rate as the instrument To change the baud rate of the printer refer to the printer s operations manual Always turn the instrument on before the printer If the printer MODEL 8710 DP Calc SERIAL 0404004 TEST ID 2 Sample I 02 16 04 15 14 31 1 00 CFM Shape Round Dia 4 0 in 9 Entered Temp 74 4 F Baro Press 29 16 in Hg 15 14 31 28 5 rh Figure 12 Sample Print Out The Model 8710 allows printing of the entire memory all Samples stored within a particular Test ID or an individual Sample To print the entire memory press and hold the 5 key This starts a countdown from 3 to 0 on the display When the display shows 0 release the button If you release the key at any time other than 0 during the countdown nothing will print The display will flash Sen
26. e 2 of this manual Figure 21 Direct Inflow Measurement Hood Chapter 5 Changing Flow Hoods 37 The direct inflow BSC hood includes see Figure 22 U Fixed frame assembly with four removable flaps Fabric hood Hood support poles Base mounting hardware threaded insert washer and screw Oooo Telescopic pole stand with case to freely hold the 8710 Micromanometer in a vertical position when mounted to a biological safety cabinet or lab hood Figure 22 Direct Inflow Measurement Hood Components To complete the assembly of the BSC hood follow these seven steps 1 Remove the plug located at the back of the base assembly and insert the Philips screw with washer into the hole from the inside of the base see Figure 23 Place the threaded insert on the outside of the base opposite the screw and tighten with a Philips screwdriver Figure 23 Remove Plug Located at Back of Base Assembly 38 Model 8710 DP CALc Micromanometer and Model 8375 ACCUBALANCE Air Balancing Tool 2 Attach the fabric hood and hood support poles to the frame and base assembly in the same manner as previously described for the other hood sizes 3 Insert the flaps into the slots from the side of the frame where the fabric hood is attached to the U channel of the frame see Figure 24 Use the different flap lengths to fit various cabinet widths Figure 24 Attach Fabric Hood and Hood Support Poles to Frame and Base Assembly 4 Mount the Mic
27. e All Sample Data Select Set a K factor View Set Standard Pressure and Temperature Set Units of Measure for Temperature Pressure Flow and Humidity Select the RS232C Output Device Computer or Printer Set the Baud Rate Set the Date and Decimal Format Set Display Mode for Running Average or Single Select Discrete or Continuous Logging Turn Back Pressure Compensation On and Off Take Back Pressure Compensated Hood Readings Set Deadband On and Off Calibrate the Micromanometer Select User vs Factory Calibration Connect and Download to a Printer Connect and Download to a Computer Data Acquisition Polling Note The operations described below assume you are starting from the READY display As you use the instrument you will find it unnecessary to return to the READY display each time Press the ESC key one or more times to return to the READY display Select a Tool The instrument accepts a number of different measurement devices referred to as Tools The Tools are a Ooo O Capture hoods for measuring flow from grilles and diffusers A velocity matrix for area averaged multi point velocity measurements Pitot tubes for flow and velocity measurements Air Flow probes for flow and velocity measurements A Diffuser Flow tool which can calculate flow for diffusers equipped with differential pressure taps The Diffuser Flow tool is a flow calculation method not a physical device For the Diffuser Flow tool flow is
28. e range of 40 to 250 F 40 to 121 C Temperature Humidity Probe The temperature humidity probe is used to obtain temperature measurements over the range of 14 to 140 F 10 to 60 C humidity measurements over the range of 0 to 95 RH along with calculated wet bulb temperature of 40 to 140 F 4 to 60 C and dewpoint temperature of 5 to 120 F 15 to 49 C Chapter 1 Introduction 3 Chapter 2 Unpacking and Setting Up This chapter describes unpacking and setting up preparing the micromanometer for use Figure 3 shows a picture of the Model 8710 with a velocity matrix measuring the face velocity on a laboratory hood Figure 3 Model 8710 with Velocity Matrix Unpacking As you unpack the instrument and accessories check the components against your packing list If any parts are missing or damaged notify us immediately Tables 1 and 2 list available standard and optional components Table 1 List of Standard and Optional Components tem PartNo Model No TSI Model 8375 ACCUBALANCE Modular Air Balancing Tool with North American AC Adapter TSI Model 8375 ACCUBALANCE Modular Air Balancing Tool with multi Country AC Adapter Lo Mem Part No Model No Capture Hood upgrade kit for 8710 DP CALC includes 2 ft x 2 ft hood fabric 801179 frame poles base wheeled carrying case S7IOUSA Table 2 List of Optional Hood Components 1 ft x 4 ft 305 mm x 1220 mm fabric hood and frame kit 801200
29. ectly oriented 5 Verify the battery selection switch is correctly set see Figure 5 6 Reinstall the battery holder and replace the compartment cover Note Make sure the battery holder is oriented so that its terminals make contact with the spring contacts in the battery compartment If fresh new alkaline batteries are used the battery indicator will show 4 bars when first turned on With NiMH batteries the indicator may show a lower value even when they are fully charged Notes The percent power remaining will not be accurate for NiMH batteries because their voltage does not decrease linearly with power use Due to the danger of battery leakage remove batteries from the battery compartment before storage Never mix battery types The NiMH batteries should only be charged at room temperature Starting with batteries that are too cold or too warm can cause the charge cycle to stop early Connecting the Pitot Tube to the Micromanometer The static pressure port on the pitot tube will be connected to the negative pressure port on the micromanometer and the total pressure port on the pitot tube will be connected to the positive port on the micromanometer see Figure 6 Total Pressure Port 4 P Static Pressure Port Figure 6 Pitot Tube Connecting the Static Pressure Port to the Micromanometer The static pressure port on the static pressure probe will be connected to the port on the micromanomet
30. elocity of air It can be thought of as the local air velocity corrected to standard conditions of air Standard Conditions are defined as air at 70 F and Pstp 29 92 in Hg Substituting Standard Conditions into Eq 2 above we can see that 29 92 Ib uu 51 325 x 0 0748 Eq 3 Pairsrp 70 460 PE q 3 Standard Air Velocity and Standard Air Flow are often the preferred units of measure when evaluating Heating Ventilating and Air Conditioning HVAC system performance because the heat carrying capacity and cooling capacity of air is directly related to Standard not Actual units of measure Converting between Standard and Actual units of measure simply involves an inverse air density ratio as follows From the continuity of mass equation we can state the following X Yaop X VsTp Eq 4 p aiTACT p aifsTD 53 Thus to convert from Actual Velocity to Standard Velocity use the following equation Eq 5 p air ACT X Vacr Vstp p airgrp Substituting known values into Eq 5 we get Pacr 70 460 xV V Tacr 460 290905 ACT ID or Pact V X x17 714 V Eq 6 ACT Tic 460 STD q 6 where Pacr is the local atmospheric pressure as measured by the micromanometer for example in units of in Hg Tacr is the local temperature of the air flow being measured in units of F Vacris Actual Air Velocity in units of AFPM Vsrp is Standard Air Velocity i
31. en not using the AC adapter the micromanometer requires four AA size batteries to operate These can be either alkaline batteries or rechargeable NiMH batteries For your convenience four NiMH batteries are included with the micromanometer To select the type of batteries you are using 1 Turn the unit off and locate the battery cover on the back of the micromanometer see Figure 4 6 Model 8710 DP CALc Micromanometer and Model 8375 ACCUBALANCE Air Balancing Tool Figure 4 Battery Cover Removal 2 Press down on the compartment cover and slide it down The cover slides off 3 Remove the battery holder by pulling up on the bottom to loosen it and then pulling the battery holder free 4 Referto Figure 5 and set the battery selection switch to indicate the type of batteries you are using Battery Selection Switch Figure 5 Location of Battery Type Selector Switch 5 Reinstall the battery holder and replace the battery compartment cover To install replacement batteries 1 Turn the unit off and locate the battery cover on the back of the micromanometer see Figure 4 2 Press down on the compartment cover and slide it down The cover slides off 3 Remove the battery holder by pulling up on the bottom to loosen it and then remove the battery holder Chapter 2 Unpacking and Setting Up 4 Remove the old batteries and replace with fresh batteries alkaline or rechargeable NiMH Make certain batteries are corr
32. er The port on the micromanometer will be open to atmosphere see Figure 7 8 Model 8710 DP CALc Micromanometer and Model 8375 ACCUBALANCE Air Balancing Tool Magnet ES Static Pressure Port nee Figure 7 Static Pressure Probe Attaching the Micromanometer to the Capture Hood Base 1 Tilt the meter forward and align the tabs in the base of the meter with the two matching slots in the bottom of the recessed area at the front of the base see Figure 8 2 When the tabs are engaged in the slots press firmly on the face of the meter above the display until the tab in the top center of the meter clicks into the bent metal retaining clip in the base Attach the temperature cable and the back pressure flap switch cable to the right side of the meter To remove the meter from the base first disconnect the temperature cable and the back pressure flap switch cable then press upward on the metal retaining clip to release the meter from the base Figure 8 Attaching the Meter to the Capture Hood Base Connecting the Velocity Matrix to the Micromanometer The positive port is located on the side of the Velocity Matrix that is opposite the handle assembly The positive port on the Velocity Matrix will be connected to the port on the micromanometer and the negative port on the Velocity Matrix is connected to the port on the micromanometer Chapter 2 Unpacking and Setting Up Standoffs can be screwed toge
33. gle Test ID 9e Ame WW E qm oF Press to display CHANGE Test ID Press until DELETE appears Press lt 4 The display shows DELETE ALL Press The display shows DELETE Test ID Press The display shows the currently selected Test ID Use A and V to display the Test ID whose Samples you want to delete Press lt 4 DELETE flashes while all Samples for the selected Test ID are deleted Repeat steps 6 and 7 to delete other Test IDs Delete a Single Sample A UC CES t qus m Press to display CHANGE Test ID Press until DELETE appears Press lt 4 The display shows DELETE ALL Press The display shows DELETE Test ID Press The display shows DELETE Press lt 4 The display shows the currently selected Test ID Use A and V to display the Test ID containing the Sample you want to delete Press The display shows the last Sample in the Test ID Press 2 DELETE flashes while the last Sample of the selected Test ID is deleted 10 Repeat step 9 to delete other Samples in the selected Test ID 20 Model 8710 DP CALc Micromanometer and Model 8375 ACCUBALANCE Air Balancing Tool Select Set a K factor for a Tool It is possible to enter K Factors to adjust the calculations of the velocity and flow measurements For Pitot Velocity Pitot Flow Air Flow Probe Flow Air Flow Probe Velocity and Velocity Matrix the K Factor is simply multiplied by the calculated velocity or flow in order to get
34. h on the left side of the hood base READ OPEn flashes on the display When the open flap reading is done CLOSE tHE FLAP is displayed Close the flap and press READ or the Read Switch READ CLOSEd flashes on the display When the closed flap reading is done the backpressure compensated flow is displayed If you want to save the flow reading to log memory press SAVE now STORE is shown on the display then the saved reading is shown Before pressing any more buttons open the flap If the display mode is set to SINGLE pressing READ now will start a new backpressure compensated reading If the display mode is set to RUNAVG pressing READ now will measure and display a running average of non backpressure compensated readings Press READ once more to start a new backpressure compensated reading Set Deadband On and Off The deadband determines the velocity or volume measurement threshold for displaying O If the deadband is ON readings below 18 fpm 0 0914 m s or 18 cfm 30 58 m h 8 49 1 s will be displayed as 0 If the deadband is OFF readings down to 0 will be displayed The default is set to ON 1 26 2 3 4 5 Press to display CHANGE Test ID Press until SETUP appears Press e Press until DEADbAnd appears Press lt 4 The display shows whether DEADbAnd is on or off Model 8710 DP CALc Micromanometer and Model 8375 ACCUBALANCE Air Balancing Tool 6 Press A or V to change the option Options are
35. inished 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 brought 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 los
36. lightweight micromanometer incorporates auto zeroing for high accuracy low end pressure measurements 2 Model 8710 DP CaLc Micromanometer and Model 8375 ACCUBALANCE Air Balancing Tool Standard Tools This section gives a brief description of standard tools for the micromanometer Pitot Tube The pitot tube is primarily used to obtain air velocity air volume and velocity pressure measurements within ductwork Static Pressure Probe The static pressure probe is primarily used to obtain static pressure measurements within ductwork Optional Tools This section gives a brief description of optional tools for the micromanometer Capture Hoods Capture hoods are primarily used to obtain volumetric air flow measurements through diffusers registers and grilles Capture hoods are available in a kit with one 2 ft x 2 ft 610 mm x 610 mm fabric hood frame and base assembly Alternate hood sizes are available and descriptions and part numbers can be found in Table 2 of Chapter 2 in this manual Velocity Matrix The velocity matrix is primarily used to obtain area averaged multi point air velocity measurements useful in laboratory hood face velocity testing filter face velocity testing and other applications Air Flow Probe The air flow probe is primarily used to obtain single point air velocity or air volume measurements in ductwork Temperature Probe The temperature probe is used to obtain temperature measurements over th
37. loh 35 20 Se Desde a aia 1 Instrument Description sprei ior ex Ru ED IPRC ere aste ERU wens uu OR Dada ede Me e iae Eu a 1 ll regenun itfoupiziome e eT 2 Micr manemeter sce aesti pedet cuia fpc td eia ademas edes cL mean gang 2 standard TOO Sassari ia 3 PUBL UO HM s REP 3 Static Pressure Probe s t een 3 Optional LOGS Lr es 3 Capture OOS p 3 Velocity Malereien ee eigen 3 D vgullo Badio o REESE 3 Termperat re Probe Tr 3 Temperature Humidity Probe 2 2 Na NER cant oh rix pep ens 3 Chapter 2 Unpacking and Setting Up eese eene eene nennen nennen 5 Unpacking PET 5 Preparing the Instrument for Use oooooococccocccccncnoninnnnccncnncnnnnnnnnnenccnnnnn nn rene 6 Power the Micromanometer with the AC Adapter ssssssen 6 Power the Micromanometer with Batteries ccccccceeeeeeeeeeeseneeeeeeeeeeseeeseeeeneeeeeeseees 6 Connecting the Pitot Tube to the Micromanometer sssseesseeeeeeee en 8 Connecting the Static Pressure Port to the Micromanometer oooocooooccccccccccccnonananonononnncnnnananons 8 Attaching the Micromanometer to the Capture Hood BaS6 ccocooocccccccoccccccocancccnonancccnnnanancnnnns 9 Connecting the Velocity Matrix to the Micromanometer sees 9 Connecting the Air Flow Probe to the Micromanometer seen 10 Connecting the Temperature Probe or Temperature and Humidity Probe
38. m pitot tube 2 static pressure probes 2 8 ft 2 4 m Norprene tubing user manual LogDat for Windows data downloading software and RS232 interface cable neck strap internal NiMH battery charger 4 AA NiMH batteries AC adapter and NIST traceable certificate The Model 8375 ACCUBALANCE adds a 2 ft x 2 ft 610 mm x 610 mm capture hood kit base and wheeled carrying case A variety of optional tools see below are also available to meet your measurement needs The following paragraphs provide brief descriptions of the micromanometer and the various standard and optional tools for use with the micromanometer Refer to Chapters 3 and 4 for more detailed information on using the micromanometer and taking measurements with various sensors and probes Norprene is a registered trademark of Norton Performance Plastics Akron Ohio USA Micromanometer Figures 1 and 2 show the features of the micromanometer Keypad AC Adapter Connection Headphone Connection RS232 Port Probe Connector For Future Use Figure 1 Features of the Model 8710 DP CALc Micromanometer Front View Airflow Battery Compartment Figure 2 Features of the Model 8710 DP CALc Micromanometer Back View Micromanometer The micromanometer is a multifunction instrument useful in obtaining air velocity air flow absolute and differential pressure temperature and humidity measurements when used with the tools listed below The
39. ments first with the back pressure flap OPEN and then with the flap CLOSED Here is the sequence of operation 1 Place the capture hood over the diffuser grille or other opening through which you wish to make a measurement 2 Open the back pressure flap This can easily be accomplished by pressing up on the flap handle with your left hand as you hold the hood in place Press until the flap clicks into full open position 3 Press the red trigger button Again this is easily accomplished with your left hand as you hold the hood in place The message READ OPEN will flash as the meter takes its reading In very low flows this step and step 5 may take as many as 8 seconds each Higher flows will require less time 4 Wait for the message CLOSE the FLAP and then close the flap by pulling down on the flap handle until it clicks into the fully closed position Press the red trigger button The message READ Closed will flash as the meter takes its reading 6 The backpressure compensated measurement value will appear and remain on the display until another reading is initiated or some other meter function is initiated Note It is important that the capture hood see the same flow for both parts of the backpressure compensated flow measurement It is best to keep the hood in place for both measurements but it is alright to remove and replace the hood between the two readings However if the flow is changed or ch
40. n of TEST IDs in Chapter 3 Recall Sample Data To recall Sample data so that you can review it or send it to a printer or computer proceed as follows 1 Press to display CHANGE Test ID Press until RECALL appears 2 3 Press to display the current Test ID 4 Use A and Y to select the Test ID you want to recall a Sample from 5 Press 4 The COUNT for the selected Test ID is displayed Count is the number of Samples in the Test ID Press A or Y to display an entry in the selected Test ID In addition to displaying individual Sample values you can also view the MAX MIN AVG and SUM of the data in the Test ID SUM is only available for Diffuser Flow flow from pressure and K Factor Hold down A or Y to scroll quickly through the data Chapter 4 How To 19 Delete Sample Data You can delete data in three ways 1 delete all Sample data in all Test IDs 2 delete all Sample data for a single Test ID and 3 delete only the last Sample currently stored in a Test ID Delete all Sample Data 1 2 3 4 Press to display CHANGE Test ID Press until DELETE appears Press lt 4 The display shows DELETE ALL Press 4 The instrument counts down from 3 to 0 and then deletes all Sample data Note This countdown gives you time to change your mind If you decide not to delete all samples after pressing 4 press ESC before the count reaches 0 Samples will not be deleted Delete the Samples Stored in a Sin
41. n units of SFPM Similarly to convert from Standard to Actual Air Velocity use the following equation Tirts Nono XII x 0 05645 Vcr Eq 7 ACT For Volumetric Flow measurements the analysis is exactly the same Thus Fl Aer 17 714 Fl Eq 8 OW act X T 460 x 17 714 Flowsrp q 8 ACT Tacr 460 Flowsrp X X x 0 05645 Flow acy Eq 9 ACT where Flowacr is Actual Air Flow in units of ACFM Flowsrp 1s Standard Air Flow in units of SCFM Note The Model 8170 performs these calculations automatically You can choose to view velocity or flow measurements in either Actual or Standard units of measure 54 Model 8710 DP CALc Micromanometer and Model 8375 ACCUBALANCE Air Balancing Tool Model 8710 DP CaALc M Micromanometer and Model 8375 ACCUBALANCE Modular Air Balancing Tool Specifications Range Units Differential pressure 15 in H O 3735 pa 150 in Pressure H O maximum safe operating pressure Velocity Absolute pressure 15 to 40 in Hg 356 to Volume 1016 mm Hg Temperature Velocity 25 to 8 000 ft min 0 125 to Statistics 40 m s pitot probes 25 to 5 000 ft min 0 125 to Data Storage 25 m s air flow probe 25 to 2 500 ft min 0 125 to Logging Interval 12 5 m s velocity matrix Volume 25 to 2 500 ft min 42 to Response
42. nd provides all the necessary instructions for downloading data Data Acquisition Polling The micromanometer is designed to allow the user to perform polling through the use of a computer The computer must send an upper case V to the micromanometer while the micromanometer is taking measurements The V must be sent alone without a carriage return or linefeed The micromanometer will then output the values of the last measurements read Note that the V polling command will not start the micromanometer taking new measurements therefore it works much better if the micromanometer display mode is set to RUNAVG You must write your own program to use the V polling command Therefore this command is only designed for medium to advanced programmers who need real time data acquisition The V polling command cannot be used to request logged data yyperTerminal is a registered trademark of Hilgraeve Inc windows is a registered trademark of Microsoft Corporation Chapter 4 How To 29 Chapter 5 Changing Flow Hoods This chapter identifies the flow hood parts and gives instructions for assembling the flow hood Flow Hood Parts Identification Figure 13 identifies the major parts of the capture hood which are described in the following paragraphs Before using the hood please familiarize yourself with the various parts You may also refer to Tables 1 through 3 Fabric hood Basic hood assembly Base allows
43. oceed as follows 1 6 Connect the AC adapter to the micromanometer or install batteries in the micromanometer see Chapter 2 Turn on the micromanometer by pressing the I O key The unit displays INIT initializing and runs a brief diagnostic test If the display mode is set to SINGLE the unit will stop and show READY on the display Pressing READ will begin a reading which stops automatically when the reading is done If the display mode is set to RUNAVG the micromanometer will start measuring continuously and pressing READ will pause and resume the measurement See Chapter 4 on how to set the display mode to SINGLE or RUNAVG While the unit reads the measurements it makes a clicking sound When data collection is finished the display shows the pressure reading Press the SAVE key to save the displayed reading to the currently selected Test ID If the SAVE key is pressed before the micromanometer has collected enough data to save NO DATA is displayed Repeat steps 4 5 to save additional Samples Refer to Chapter 4 for detailed How To information on recalling the saved Samples and many other specific operations Chapter 3 Getting Started 15 Chapter 4 How To This chapter explains how to perform a variety of operations D co co OLD OLDOUOCOLDOUOLUOUOLDUILDOLDOCOLDCDIZoLDZoZto Select a Tool Probe Set the Date and Time Change the current Test ID Recall Sample Data Delete Sample Data Delet
44. od is attached 32 Model 8710 DP CALc Micromanometer and Model 8375 ACCUBALANCE Air Balancing Tool Figure 15 1 ft x 4 ft 305 mm x 1220 mm hood and frame The support poles always cross as pairs at the front and back of the fabric hood For the 1 ft 4 ft 305 mm x 1220 mm the support poles are inserted into the outside ferrule locations Chapter 5 Changing Flow Hoods 33 Figure 16 2 ftx 4 ft 610 mm x 1220 mm hood and frame The support poles always cross as pairs at the front and back of the fabric hood For the 2 ft x 4 ft 610 mm x 1220 mm the support poles are inserted into the inside ferrule locations The number 1 and 5 channels also have a wing nut at the straight end which will mate with an angle and studs on the ends of numbers 2 5 and 6 to form the longer frame sides see Figure 20 34 Model 8710 DP CALc Micromanometer and Model 8375 ACCUBALANCE Air Balancing Tool Figure 17 1 ft x 5 ft 305 mm x 1525 mm hood and frame The support poles always cross as pairs at the front and back of the fabric hood For the 1 ft x 5 ft 305 mm x 1525 mm the support poles are inserted into the inside ferrule locations Chapter 5 Changing Flow Hoods 35 Figure 18 3 ftx 3 ft 915 mm x 915 mm h
45. oncccnonconancnnnnnancnnnnnnnnnnnnnnnnncnnrnnnnnnnnnnns 25 Turn Back Pressure Compensation On and Oflooaooocccccnnccccccnnocccnnncnonononnnnnnncnnnnnnnc cn nnnna nn 25 Take Back Pressure Compensated Hood Readings sse 26 Sel Deaaband On and Olla a ni es 26 Calibrate the Micromanometer User Calibration 27 Select User Calibration or Factory Calibration 27 Connect and Download Data to an Optional Printer sssseeeeee 28 Connect and Download Data to a Computer uussssssennnenssnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nn 29 Data Acquistion PONO emision een een 29 Chapter 5 Changing Flow HoodS 222202244000000000000nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnannnnnnnnannnnnnn 31 Flow Hood Parts Identification ss sr 31 Hood AA er ee erlebe 31 Alternate Hood Installation ee 32 Direct Inflow Measurement Hood for Biological Safety Cabinets 37 Chapter 6 Flow Measurements Using the Capture Hood seen 43 Non Backpressure Compensated Measurements ssssseeeeeene 43 Single Measurements o t apts eer e toe ei 43 Running Average Measuremen s uuusnssssssnnnnannnnnnnnnnnnnnnnannnnnnnnnnnnnnnnnnnannnnnnn nennen nn 43 Backpressure Compensated Measurements 4444404444nnnnnnnnnnnnnnnnnnnnnnnnnnn nennen 44 A ee Masten einge dopo eden naan stem D E shed el 44 Chapter 7
46. ood and frame The support poles always cross as pairs at the front and back of the fabric hood For the 3 ft x 3 ft 915 mm x 915 mm the support poles are inserted into the outside ferrule locations Figure 19 Frame Corner Assembly 36 Model 8710 DP CALc Micromanometer and Model 8375 ACCUBALANCE Air Balancing Tool W m A er Figure 20 Frame Side Coupler Assembly Each hood is constructed in a trapezoidal shape sewn together so that one open end forms a round attachment to the base and the other forms a square or rectangle large enough to fit its matching frame assembly Around the frame end of the hood an elastic shock cord has been sewn into the hood This cord is of a size such that it can be pushed into the open side of the U shaped channels of the frame In general attach a hood to the frame first and then to the base unit By stretching around the frame corners the cord is slightly reduced in diameter and is easier to press into the frame channel Note The hood corners should always be aligned with the corners of the base near the hood support brackets The base has rivets located in the corners which can be used as a guide for aligning the hood corners Direct Inflow Measurement Hood for Biological Safety Cabinets The BSC hood kits for the Model 8375 ACCUBALANCE are designed to measure the inflow through a biological safety cabinet see Figure 21 Part numbers and description of each kit can be found in Tabl
47. ood in place during the entire measurement otherwise the reading will be in error Running Average Measurements In the Running Average measurement mode the meter will constantly measure and display a running average of flow This mode is useful when making adjustments to the flow If you wish to hold a particular value on the display momentarily press either the READ key on the meter or the red trigger button on the base To restart the running average measurements from a held value simply press the READ key or the red trigger button again Note The running average utilizes a variable time constant determined by the meter not user selectable depending on the flow At very low flows under 100 ft min for example the time constant is approximately 6 seconds When using the Running Average mode for adjusting flows setting or changing duct damper positions for instance keep in mind that there will be a lag time after flow adjustments are made for the meter to settle at any new flow reading 43 Backpressure Compensated Measurements In most cases backpressure compensated measurements will provide the most satisfactory flow measurement results In order to prepare for backpressure compensated measurements be sure the Back Pressure Compensation function is turned ON see Turn Back Pressure Compensation On and Off in Chapter 4 Backpressure compensated measurements require two sequential measure
48. pter 4 for more information on continuous data logging Test ID A Test ID consists of a group of Samples A Test ID can contain up to 1000 Samples The maximum number of Test IDs is 255 Any new Sample will be saved to the current Test ID You can change the current Test ID at any time to keep your data organized refer to instructions in Chapter 4 The unit does not allow you to store Samples of different character in the same Test ID If the READ key is pressed after changes have been made to the Tool or display units or some other parameter TEST ID flashes on the display and a new unused TEST ID is selected In addition to the data for each Sample the statistics that are available to view by TEST ID are SUM The sum of all stored values in that TEST ID SUM is only available for Diffuser Flow flow from pressure and K Factor MINIMUM The lowest value stored in that TEST ID MAXIMUM The highest value stored in that TEST ID AVERAGE The SUM divided by the number of Samples COUNT The number of Samples in that TEST ID Once you have collected data in a Test ID you can send it to a printer or a computer See instructions for downloading data in Chapter 4 14 Model 8710 DP Catc Micromanometer and Model 8375 ACCUBALANCE Air Balancing Tool Step By Step Example Operation The quickest way to become acquainted with the operation of the micromanometer is to take a few Samples while in the pressure mode To take Samples pr
49. r Sm checksum error A to D converter calibration checksum Return to factory error Barometric pressure sensor calibration Return to factory checksum error Return to factory Perform user calibration or return to factory Perform user calibration or return to factory Perform user calibration or return to factory Perform user calibration or return to factory Make sure calibration pressures are correct Make sure calibration pressures are correct The accessory temperature humidity probe was either not plugged in or is faulty Plug in the selected probe Barometric pressure measured was lt 15 00 The barometric pressure 1s too low to in Hg take a reading Barometric pressure measured was gt 40 00 The barometric pressure is too high to in Hg take a reading Take data again 47 Possible Causes Corrective Action 37 There was an error reading the AD7708 A Return to factory if error re occurs to D converter 38 There was an error reading the AD7718 A Return to factory if error re occurs to D converter 39 40 41 42 Error in logged data If using accessory temp humidity probe make sure probe securely connected Erase logged data A Could not send RS232 data because the Make sure printer or computer is ready receiving device was busy gt 10 seconds to receive Check RS232 interface cable Pressure sensor zero voltage is too high Return to factory if error re occurs Pressure senso
50. r gain out of range Perform user calibration or return to factory Lithium battery voltage is too low Replace lithium battery or return to factory AD7708 A to D converter calibration Return to factory factor out of range AD7718 A to D converter calibration Return to factory factor out of range User entered flow temperature out of The micromanometer has reset the range temperature to 70 0 F 21 1 C to correct it Barometric pressure zero factor out of Return to factory range Barometric pressure span factor out of Return to factory range Offset factor for user temperature sensor Re do user calibration set temperature calibration out of range sensor calibration to FACT or return to factory cA n N n tA ER CA cA ON CA oo nN No Slope factor for user temperature sensor Re do user calibration set temperature calibration out of range sensor calibration to FACT or return to factory Humidity sensor voltage at 20 RH out of Perform user calibration or return to range factory Humidity sensor voltage at 80 RH out of Perform user calibration or return to range factory Pressure sensor gain factor A out of range Perform user calibration or return to factory Pressure sensor gain factor B out of range Perform user calibration or return to factory Pressure sensor gain factor C out of range Perform user calibration or return to factory Ra N p 48 Model 8710 D
51. robe or Temperature Humidity Probe Chapter 2 Unpacking and Setting Up Chapter 3 Getting Started This section provides information to help you quickly become familiar with the Model 8710 Micromanometer functions It also includes step by step instructions for taking Sample readings Keypad Operation The keypad lets you enter information initiate functions and change values stored in the micromanometer It will be helpful before operating the micromanometer to understand more fully what each of the keys do lt gt Y anda The arrow keys let you navigate through menus or select options Generally only one set of arrow keys A V or 4 are operational for any given operation Use and to move through menus use A and V to increase or decrease a value ESC The ESCAPE key is used to cancel or end an operation or back up to the last screen of displayed information The ESC key is useful if you press and realize you meant to use one of the other keys The ENTER key is used to accept the present value or move to the next level of a menu READ If the display mode is set to SINGLE pressing the READ key begins a reading which stops automatically when the reading is done If the display mode is set to RUNAVG the micromanometer will measure continuously and pressing READ will alternately pause or resume the measurement See Chapter 4 on how to set the display mode to SINGLE or RUNAVG Note Pressing the READ key
52. romanometer base to the telescopic stand by fastening the screw on the telescopic stand to the threaded insert mounted on the base opposite the display manometer see Figure 25 Figure 25 Mount Micromanometer Base to Telescopic Stand 5 Adjustthe height and position of the telescopic stand so that the bottom part of the hood frame rests against the cabinet opening and the Micromanometer is horizontal to the cabinet see Figure 26 Chapter 5 Changing Flow Hoods 39 Figure 26 Adjust Height and Position of Telescopic Stand 6 Lower the sash of the cabinet until it rests on the foam lip of the hood frame see Figure 27 Figure 27 Lower Sash of Cabinet Until it Rests on Foam Lip of Hood Frame 7 Adjust the flaps to cover the opening of the cabinet Tape the edges of the flaps to the sash and frame of the cabinet to create a tight fit The unit is now ready to make measurements see Figure 28 40 Model 8710 DP CALc Micromanometer and Model 8375 ACCUBALANCE Air Balancing Tool CLASS II TYPE 183 Figure 28 Unit Ready to Make Measurements Chapter 5 Changing Flow Hoods 41 Chapter 6 Flow Measurements Using the Capture Hood There are two methods of making flow measurements using the capture hood Non Backpressure Compensated and Backpressure Compensated methods see Appendix A Back Pressure for an explanation of the implications of capture hood induced back pressure on the measured flow Flows in both S
53. s 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 Customer Service at 651 490 2811 or 800 874 2811 SHIP TO MAIL TO TSI Incorporated 500 Cardigan Road Shoreview MN 55126 3996 USA U S amp INTERNATIONAL Sales and Customer Service 800 874 2811 1 651 490 2811 Fax 1 651 490 3824 Model 8710 DP CALc Micromanometer and Model 8375 ACCUBALANCE Modular Air Balancing Tool Operation and Service Manual 1980525 Revision D J uly 2007 E mail address answers tsi com Website http www tsi com EUROPE Sales and Customer Service TSI AB 46 8 595 132 30 Fax 46 8 595 132 39 TSI GmbH 49 241 52 3 03 30 Fax 49 241 52 3 03 49 Y CONTENTS About This Manual d A A A E LRQ RA XR IA RN iii Forrmaung arnd Typograpliy acrilico Tal doctus uds mi et aan iii Technical Assistanee Helpl u a Re a one ipie di ata aaae San iii Gliapter T Introducl
54. th height and width even if the duct is square Change the x dimension first then press lt 4 and change the y dimension 10 Press to exit to the TOOL menu 18 Model 8710 DP CALc Micromanometer and Model 8375 ACCUBALANCE Air Balancing Tool Set the Time and Date Press to display CHANGE Test ID Press until SETUP appears Press Press until TIME is displayed Press lt 4 The display shows the current time and date The hours value is flashing Use and to move between values and A and Y to adjust values NOA B Press when you have set the time and date as desired Note You can change the date format see Set Format below Allowable formats are mm dd and dd mm Change the Currently Selected Test ID To change the Test ID in which Samples will be stored proceed as follows 1 Press to display CHANGE Test ID 2 Press to display the current Test ID 3 Use A and Y to select the Test ID you want to use Note If you press amp again after the highest numbered Test ID is displayed you will add a new Test ID The Test ID is empty until you send Samples to it Also if you press SAVE or try to automatically log data to a Test ID and the Tool or display units or measurement parameters are different from the information already stored in the currently selected Test ID the instrument will automatically change the currently selected Test ID to a new unused Test ID See the descriptio
55. ther to make different lengths and are used to maintain a fixed and level orientation away from a filter The standoffs are attached to the positive side of the velocity matrix The handle assembly is attached to the downstream or negative side in the center of the velocity matrix see Figure 9 Standoffs Positive e Port Negative Port Figure 9 Velocity Matrix Connecting the Air Flow Probe to the Micromanometer The static pressure port on the Air Flow Probe will be connected to the negative pressure port on the micromanometer and the total pressure port on the Air Flow Probe will be connected to the positive port on the micromanometer see Figure 10 Note Observe the arrow indicator on the Air Flow Probe when taking air velocity or air volume measurements P dd Pressure Port 4 ee Pressure Port Figure 10 Air Flow Probe Connecting the Temperature Probe or Temperature and Humidity Probe to the Micromanometer The Temperature probe and Temperature Humidity probe attach to the 8 pin connector located on the right hand side of the micromanometer When connecting the probe to the meter the dimple on the connector must be aligned to fit the receptacle indentation on the meter see Figure 11 10 Model 8710 DP CALc Micromanometer and Model 8375 ACCUBALANCE Air Balancing Tool Match key on plug to detent on receptacle Figure 11 Connector for the Temperature P
56. thin the carrying case and then inside a shipping box The original shipping box is preferred Prior to shipment please visit our website at http rma tsi com to complete an RMA form online or contact Customer Service for an RMA Return Materials Authorization number at 651 490 2811 800 874 2811 Ship directly to TSI Incorporated ATTN Customer Service 500 Cardigan Road Shoreview MN 55126 3996 Tables 6 and 7 list the symptoms possible causes and recommended solutions for common problems encountered with the instrument If your symptom is not listed or if none of the solutions solves your problem please contact the factory Table 5 Troubleshooting the Instrument Symptom Possible Causes Corrective Action No display Unit not turned on Press l O key Low or dead batteries Replace the batteries Dirty battery contacts Clean the battery contacts AC adapter not connected Plug in AC adapter a E Low battery charge Replace or recharge the batteries Clean the battery contacts flashing on display Dirty battery contacts 888888 The pressure is too high to measure The maximum pressure is shown flashing on display This same display is shown if on the specifications page measuring velocity or flow and the pressure at that velocity is too high 8888 The temperature is too high to The maximum temperature is flashing on displa measure shown on the specifications page Table 6 lists the possible error codes
57. to the MICA O Mt rE 10 Chapter 3 Getting Started osa ea 13 Keypad OPS Pile MENU ES 13 COTdon Terme are esteem eatis ee e e et UE 14 SANA e TR 14 Loga ng Intervalo ED LUUD 14 Test D ais 14 Step By Step Example Operation esseseeeeeeeeeeeeeeeen nennen 15 Chapter 4 HOW TO u ca Dc tetti io oe MD EUN 17 Selecta Tool O 17 SOU TG TNS arid Dale oc c e een o i ete Em etia tpa tet dis 19 Change the Currently Selected Test ID sseessseeeeeeeennneeenee nnn 19 Recall Sample Bri E 19 Delete Sample Data orae ee 20 Delete all Sample Data ii 2 20 tei stetur o ret eed e ie ld esa 20 Delete the Samples Stored in a Single Test ID 20 Delete a Single Sampler ute ee 20 Select Set a K factor for a TOOL epe ea SU RE acne ER PR eR ela ghe 21 View Set Standard Pressure and Temperature ooooocccnnoccccnnconocccnnnonnncnnnnnannncnnanannnnnnnanannnnnnns 21 Set Units of Measure for Temperature Pressure Velocity Flow and Humidity 23 Select the RS232 Output Device Computer or Printer eeeeeesesseeeeeess 23 seltne Baud Fal sisse ict e tertii iet uo Erdgas Een 24 Set the Format tor Date and DeciMal iiooiinionn pa REA nite E Ie ERR E SER UE nne 24 Set Display Mode for Running Average or Single occocooocccncncocccncononccnnnnancconnnannnncncnnnnancncnnns 25 Select Discrete or Continuous LOQQINO occccccnoccccnon
58. upply and Return flow direction can be taken with either non backpressure compensated or backpressure compensated mode Note Return flows will be indicated by a negative flow number as long as the tubes leading to the Matrix manifold in the base are connected properly The proper tube orientation is from the upper portion of the Matrix manifold leading to the positive port on the back of the meter Non Backpressure Compensated Measurements To take non backpressure compensated measurements be sure the Back Pressure Compensation function is turned OFF see Turn Back Pressure Compensation On and Off in Chapter 4 Non backpressure compensated measurements can only be made with the back pressure flap in the OPEN position If you attempt to make a non backpressure compensated measurement with the flap closed or partially closed the meter will display the message OPEN the FLAP In the non backpressure compensated mode it is possible to take either single measurements or running average measurements see Set Display Mode for Running Average or Single in Chapter 4 Single Measurements Single measurements are individual flow measurements initiated by pressing either the READ button on the meter or the red trigger button on the left side of the base Depending on the flow being measured a single reading will take from one to eight seconds to complete lower flows take longer Note Keep the h
59. will not store any measurement to memory SAVE The SAVE key is used to save the currently displayed measurement to the data logging memory NEXT TEST The NEXT TEST key is used to select a new unused Test Id for saving Samples when logging data The PRINT key downloads data to an optional printer or to a computer Refer to Chapter 4 for information on downloading data STATS The STATISTICS key lets you display COUNT MINimum MAXimum and AVeraGe for the Test ID currently selected for logging data 1 0 The ON OFF key is used to turn the micromanometer on or off a e The BACKLIGHT key turns the display s backlighting on and off Use backlighting only when working in areas where you cannot read the display with existing light Backlighting has a significant impact on battery life Common Terms In this manual there are several terms that are used in different places The following is a brief explanation of the meanings of terms Sample A Sample consists of all of the measurement parameters stored each time the SAVE key is pressed or after each logging interval has passed The maximum number of Samples is 1000 Logging Interval The Logging Interval is the frequency period that the micromanometer will log readings when logging is set to CONTIN continuous For example if logging is set to CONTIN and the logging interval is set to 60 seconds a Sample can be taken and saved automatically every 60 seconds Refer to Cha
60. you wish to order a new hood fabric use the following part numbers shown in Table 4 Table 4 Hood Fabric Only Part Numbers Fabric Hood Size 2 ftx 2 ft 610 mm x 610 mm 1801197 1 ftx 4 ft 305 mm x 1220 mm 1801198 2 ftx 4 ft 610 mm x 1220 mm 1801199 ftx 5 ft 305 mm x 1525 mm 1801200 3 ftx 3 ft 915 mm x 915 mm 1801210 Micromanometer The micromanometer case display screen and keys can be cleaned using a damp cloth with mild detergent solution Do not immerse it in water Wipe the unit dry before use Velocity Matrix Manifold If you observe the flow sensing taps of the manifold becoming clogged with dust or other material clean them with a damp cloth The manifold should be kept in place during cleaning Do not apply excessive forces on the grid of the manifold If any part of the grid is damaged please contact Customer Service for repair information 45 Cases If the instrument case or storage case needs cleaning wipe it off with a soft cloth and isopropyl alcohol or a mild detergent Calibration TSI recommends an annual calibration for the instrument For a nominal fee we will calibrate the unit and return it to you with a certificate of calibration and NIST traceability This annual checkup assures you of consistently accurate readings To calibrate the instrument please ship the complete package that includes the meter the base the manifold and any fabrics used Everything should be packed carefully wi

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