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DIGITAL TRANSFORMER RATIOMETER E N G L I S H User Manual

1. 5 1 4 Ordering 5 1 4 1 Accessories and Replacement Parts 5 2 PRODUCT FEATURES 6 2 1 iDescription aun ote e n ee e ar itd 6 2 2 Control Features edd ti dee edens 8 2 3 Cable Identification ssse 9 3 SPECIFICATIONS 10 3 1 DTR 8510 10 3 2 Battery Charger 12 4 DISPLAY FUNCTI0NS 13 421 Program FOW Xu enitn tene cedi desde oues 13 4 2 Top Level 13 4 3 Configure Instrument u ene 14 4 3 1 Set Clock uitio reste enini 16 4 32 Setup 17 4 3 3 Select Test Type u u 20 4 3 4 Select Test Mode u 20 4 3 5 Select Storage 21 43 6 Select Filler a h aasawa ba detente 22 4 3 7 Erase Memory iei eee e d as 23 4 3 8 Select Language u 2
2. WINDING WINDING WINDING WINDING H H2 X1 X2 ob xb o 3 m 3 lt lt gt gt gt ms lt lt UJ lt lt gt O o 4 UJ lt lt gt O m lt UJ 10 lt gt gt Oo 4 C A 5 38 Digital Transformer Ratiometer DTR Model 8510 CHAPTER 7 DATAVIEW SOFTWARE 71 Installing DataView DO NOT CONNECT THE INSTRUMENT TO THE PC BEFORE INSTALLING THE SOFTWARE AND DRIVERS Minimum Computer Requirements Windows XP Windows Vista amp Windows 7 32 64 bit 256MB of RAM for Windows 1GB of RAM for Windows Vista amp Windows 7 32 bit 2GB or RAM for Windows Vista amp Windows 7 64 bit 80MB of hard disk space 200MB recommended CD ROM drive Windows is a registered trademark of Microsoft Corporation in the United States and other countries NOTE When installing the user must have Administrative access rights during the installation The users access rights can be changed after the installation is complete Be sure to select the all users option during installation if different users need to access the software on the same computer 1 Insert the DataView CD into your CD ROM drive If auto run is enabled the Setup program will start automatically If auto run is not enabled select Run from the Start menu and type in D SETUP if you
3. 47 Ta RUNNING S Testi s cio eee men eed 49 7 6 Downloading a Test n em 50 7 7 Saving the Measurement Records 51 7 8 Report Generation e 51 8 MAINTENANCIE 53 8 1 Charging the Batteries u u uu 53 8 2 O Im 56 APPENDIX A DISPLAY MESSAGES 57 eiie pde MER Aedes 60 Technical and Sales Assistance 60 Limited Warranty oie oit e nie t eiiis 61 Warranty Repalrs 225234 pP D 61 2 Digital Transformer Ratiometer DTR Model 8510 CHAPTER 1 INTRODUCTION WARNING N These safety warnings are provided to ensure the safety of personnel and proper operation of the instrument This instrument is protected from accidental voltages of not more than 50V with respect to earth The guaranteed level of protection of this equipment may be compromised if used in a manner not specified by the manufacturer Read the instruction manual completely and follow all safety information before attempting to use or service this instrument The Digital Transformer Ratiometer DTR Model 8510 is designed for use on de energized dead transformers only Make sure the test sample is completely disconnected f
4. 59 Repair and Calibration To ensure that your instrument meets factory specifications we recommend that it be scheduled back to our factory Service Center at one year intervals for recalibration or as required by other standards or internal procedures For instrument repair and calibration You must contact our Service Center for a Customer Service Authorization Number CSA This will ensure that when your instrument arrives it will be tracked and processed promptly Please write the CSA on the outside of the shipping container If the instrument is returned for calibration we need to know if you want a standard calibration or a calibration traceable to N I S T Includes calibration certificate plus recorded calibration data Ship To Chauvin Arnoux Inc d b a AEMC Instruments 15 Faraday Drive Dover NH 03820 USA Phone 800 945 2362 Ext 360 603 749 6434 Ext 360 Fax 603 742 2346 or 603 749 6309 E mail repair aemc com Or contact your authorized distributor Costs for repair standard calibration and calibration traceable to 1 5 are available NOTE You must obtain a CSA before returning any instrument Technical and Sales Assistance If you are experiencing any technical problems or require any assistance with the proper operation or application of your instrument please call mail fax or e mail our technical support team Chauvin Arnoux Inc d b a AEMC Instruments 200 Foxborou
5. effect until Write to Instrument command is executed Read from Instrument Allows the present configuration to be read Cancel Cancels the process to modify the configuration and closes the dialog box NOTE Parameters changed after Write to Instrument was executed will be lost i 48 Digital Transformer Ratiometer DTR Model 8510 7 5 Running a Test 1 Open the Control Panel and connect to the instrument 2 Next select Run Test from the Instrument menu or click on the Run Test icon on the side or top menu Run Test Test pest Osta 11882010 4 58 21 Object t Teg Test type Test mode Fee Secondary vote Figure 7 10 The user can select Test Type Test Mode Test Filter Present Name plate values and where the Measurement Record would be stored 3 Press Start to run the test The result Measurement Record of the Test will be displayed in the center NOTE Ifthe DTR 8510 is in Autosave mode the connection to the computer will disable the automatic saving of the Measurement Record Ifthe Test needs to be cancelled while testing is in progress press the TEST button on the instrument or CANCEL button on the screen If new Test Type Test Mode test Filter and or Present Nameplate values are selected the Configuration will be changed to reflect them in this and the following tests 4 Press Save to save the Measureme
6. DIGITAL TRANSFORMER RATIOMETER car nm 919 1 90 0610 Pid AEMC User Manual INSTRUMENTS Statement of Compliance Chauvin Arnoux Inc d b a AEMC Instruments certifies that this instrument has been calibrated using standards and instruments traceable to international standards We guarantee that at the time of shipping your instrument has met its published specifications An NIST traceable certificate may be requested at the time of purchase or obtained by returning the instrument to our repair and calibration facility for a nominal charge The recommended calibration interval for this instrument is 12 months and begins on the date of receipt by the customer For recalibration please use our Calibration services Refer to our repair and calibration section at www aemc com Serial Catalog 2136 50 Model 8510 Please fill in the appropriate date as indicated Date Received Date Calibration Due Chauvin Arnoux Inc d b a AEMC Instruments INSTRUMENTS www aemc com 2 Table of Contents 1 INTRODUCTION 3 1 1 International Electrical 4 1 2 Definition of Measurement Categories 4 1 3 Receiving Your Shipment u
7. o WARNING The DTR Model 8510 is designed for use on de energized dead transformers only Make sure the test sample is completely disconnected from AC power and is fully discharged Digital Transformer Ratiometer DTR Model 8510 33 1 Connect the Primary H cable to the appropriate connectors on the DTR Model 8510 and the transformer under test Connect the Secondary X cable as a loop through the current transformer hole as shown in the figure H BLACK H RED X BLACK gt X RED Figure 5 7 2 Press the TEST button During the Ratio test the instrument will check for H X reverse polarity short excessive current etc before conducting Ratio test NOTE Ifthe H X is reversed the instrument will display the error message see Fig 5 5 as in VT PT test and terminate the test If there were a polarity reversal the Ratio would be blinking with a negative sign This means either the connections are reversed on given side or the transformer is wound backwards relative to the marking The test can be cancelled at any time by pressing the TEST button during the operation The CT test ramps up the voltage in steps At the end of the test it ramps down the voltage There are certain low mass low ratio CT s for which the DTR 8510 may not be able to provide correct ratio The error message will be High Excitation Current 34 Digital Transformer Ratiometer Model 8510 As in VT PT
8. 3 NOTE The installation of the drivers may take a few moments Windows may even indicate that it is not responding however it is running Please wait for it to finish 15 Question dialog box appears next Click Yes to read the procedure for connecting the instrument to the USB port on the computer 16 Next the Installation Wizard Complete window will appear Click on Finish NOTE The Set up window remains open You may now select another option to download e g Adobe Reader or close the window s 17 Restart your computer then connect the instrument to the USB or Serial port on the computer 18 Once connected the Found New Hardware dialog box will appear Windows will complete the driver installation process automatically NOTE If you connected your instrument to the computer before install ing the software and drivers you may need to use the Add Remove Hardware utility to remove the instrument driver before repeating the process Pu 42 Digital Transformer Ratiometer Model 8510 7 2 Opening the Control Panel The Control Panel can be opened from the DTR icon or from DataView To open the Control Panel using the desktop icon Double click the DTR Icon that was created during installation located on the desktop Connection window will appear Click OK Cone rw shon port DTA Model 0510 SN 126
9. Electrically Quiet Applications Very Noisy Environment pp Environment 4 3 7 Erase Memory 1 Press the Y or A key until Erase Memory appears on the display then press ENTER Figure 4 18 2 Select Yes or No using Y or A and press ENTER The display will return to Erase Memory CAUTION Once the memory is erased the stored data cannot be recovered Download the data if desired before the Erase Memory function is executed Digital Transformer Ratiometer DTR Model 8510 23 4 3 8 Select Language 1 Press the V or A key until Select Language appears on the display then press ENTER Figure 4 19 2 Select a language using Y or A and press ENTER The display will return to Select Language The following languages are available English Italian French Spanish German Portuguese Once the language is chosen all the menu items error messages etc will be displayed in this language The configuration retains the language if the instrument is turned OFF and then turned ON i NOTE The language can also be selected immediately at start up Press and hold the TEST button while turning the unit ON After initialization the instrument will display the currently active language Release the TEST button The desired language can now be selected 24 Digital Transformer Ratiometer DTR Model 8510 4 3 9 Restoring Factory Defaults The factory default settings are shown in the following ta
10. Mode and the present Nameplate values Fig 5 1 The Green power LED on the front panel turns on solid Figure 5 1 NOTE Ifthe batteries are insufficiently charged The Green LED will blink if there is some battery capacity left The instrument will be operational under this condition The display will show Low Battery and the Green LED will blink if the battery packs have no capacity left The instrument cannot be used for testing under these circumstances The batteries must be recharged before use see 8 8 1 28 Digital Transformer Ratiometer Model 8510 5 2 Running a Test 5 2 1 Test In this section an example of running a test using the following configura tion see 8 4 3 for how to configure the instrument is shown Set Date Time July 4 2010 6 00 PM Set values in Nameplate Primary Voltage 19920 Secondary Voltage 7200 Select Type VT PT Select Test Mode CONT Ratio Storage Mode Manual SetFilter Normal Set Language English Typical Connection RATIO 2 767 1 PRIMARY SECONDARY H RED 19920 7200CT Alternate Connection RATIO 1 383 1 PRIMARY SECONDARY 19920 7200CT H RED X RED l l Heak X BLACK Figure 5 2 Digital Transformer Ratiometer DTR Model 8510 29 1 Connect the Primary H and Secondary X cables to the appropri ate connectors on the DTR 8510 and the transformer under test s
11. NOTE To move one level up and return to Configure Instrument press the V A keys simultaneously Select Setup Language Nameplate Select Select Filter Test Mode Select Test Type Select Storage Mode Figure 4 4 Digital Transformer Ratiometer DTR Model 8510 15 4 3 1 Set Clock 1 Within the top level of Configure Instrument press the W or A key until Set Clock appears on the display then press ENTER Figure 4 5 The Set Clock configuration allows you to format the following Date Format Allows the formatting of the date MM DD YY DD MM YY YY MM DD Figure 4 6 Time Format Allows the formatting of the time 12 or 24 hours Figure 4 7 Set Date and Time Allows the setting of the date and time in the selected format Note Time must be set in the 24 hour format It will be displayed with AM PM if the 12 hour format is chosen Figure 4 8 Example To set the time to 2 50 PM set the hour to 14 and the minutes to 50 16 Digital Transformer Ratiometer DTR Model 8510 To maneuver between the Set Clock configuration settings perform the following 1 Within the top level of Configure Instrument press the Y or A key until Set Clock appears on the display then press ENTER to configure the date 2 Use the Y or A keys to view the choices Press ENTER to make a selection Once the format is selected the display returns to Da
12. description of any damage Save the damaged packing container to substantiate your claim 1 4 Ordering Information Digital Transformer Ratiometer Model 8510 115 Cat 2136 50 Includes NiMH batteries installed 115V power cord set of 15 ft cables in a carrying bag an external battery charger 90 264VAc 50 60Hz DataView software CD ROM warranty card and user manual 1 4 4 Accessories and Replacement Parts Fuse set of 5 0 5A 250V 5x20mm Slow Blow Cat 2118 53 Fuse set of 5 4A 125V 5x20mm Slow Blow Cat 2118 55 Lead 5 2 30 ft eee Cat 2136 76 Lead Replacement set of 2 15 ft Cat 2136 77 Battery Replacement set of 2 12V NiMH rechargeable Cat 2136 78 Replacement Battery Cat 2136 79 Order Accessories and Replacement Parts Directly Online Check our Storefront at www aemc com for availability Digital Transformer Ratiometer DTR Model 8510 5 CHAPTER 2 PRODUCT FEATURES 2 4 Description The Digital Transformer Ratiometer DTR Model 8510 is a lightweight rugged portable instrument designed for onsite testing of power potential and current transformers Operation of the DTR 8510 is fully automatic No user calibration range selection hand cranking or tedious balancing is required During each test cycle the DTR 8510 autom
13. lt 150 mA for VT PT and lt 50mA for CT Calibration cycle is 1 year 3 1 DTR 8510 Specifications DTR 8510 ELECTRICAL Ratio Range VT PT Autoranging 0 8000 to 8000 1 Accuracy VT PT Ratio Range Accuracy of Reading 0 8000 to 9 9999 0 2 10 000 to 999 99 0 196 1000 0 to 4999 9 0 2 5000 0 to 8000 0 0 25 Ratio Range CT Autoranging 0 8000 to 1000 0 Accuracy CT Ratio Range Accuracy of Reading 0 8000 to 1000 0 0 5 Excitation Signal VT PT Mode 32Vrms max CT Mode Auto Level 0 to 1A 0 1 to 4 5Vrms Excitation Current Range 0 to 1000mA Display Accuracy 2 of Reading 2mA Excitation Frequency 70Hz Display Dual line alpha numeric LCD 16x2 characters with contrast adjustment and backlight control Day night visible Measurement Method In accordance with IEEE Std 57 12 907 2006 Power Source Two 12V 5x2 1650mAH NiMH rechargeable battery packs Battery Life Up to 10 hrs of continuous operation Low battery indication Battery Charger Universal input 90 to 264Vrms input smart recharger Charging Time lt 4 Hrs Data Storage 99 objects with 99 tests each Date Time Battery backed Real time clock 10 Digital Transformer Ratiometer Model 8510 Communication USB 2 0 compliant optically isolated 115 2 KB Software DataView analysis software included MECHANICAL
14. the CT test may be run as many times as needed by pressing the TEST button The measurement records can be saved in Manual or Auto mode as in VT PT mode The CT remains active until the configuration is changed Powering the instrument down and turning it back on will not change the Test Type 5 3 Tips for Making Precise Ratio Measurements The DTR Model 8510 is designed for step down transformers It sources low voltage on the primary It starts with a fraction of the final source voltage and checks the secondary voltage If it exceeds the primary by a pre determined value the safety feature stops the measurement The recommended procedure is to reverse the leads in these circumstances so that the primary of the transformer is connected to the H cables and the secondary of the transformer is connected to the X cables i CAUTION It is important to check that the H cables are connected to the primary side and the X cables are connected to the secondary side of the transformer before the test begins Always verify the integrity of the cable connections and reposition the clips as necessary for robust and low resistance connections Inspect the transformer terminals for dielectric coatings fungus dirt or corrosion Running a continuity test before the ratio test will provide a useful way to check windings and connections When testing polyphase transformers keep in mind that in some cases the measur
15. then return the instrument along with the signed CSA Form Please write the CSA on the outside of the shipping container Return the instrument postage or shipment pre paid to Ship To Chauvin Arnoux Inc d b a AEMC Instruments 15 Faraday Drive Dover NH 03820 USA Phone 800 945 2362 Ext 360 603 749 6434 Ext 360 Fax 603 742 2346 or 603 749 6309 E mail repair aemc com Caution To protect yourself against in transit loss we recommend you insure your returned material NOTE You must obtain a CSA before returning any instrument Digital Transformer Ratiometer DTR Model 8510 61 AEMC INSTRUMENTS 12 10 99 MAN 100353 v1 Chauvin Arnoux Inc d b a AEMC Instruments 15 Faraday Drive Dover NH 03820 USA Phone 603 749 6434 Fax 603 742 2346 www aemc com
16. 104 F 20 to 40 C SAFETY Insulation Class Electrical Safety Approval EN 60601 1 EN 60950 EN 60335 2 29 EMC Standards EN 61000 6 3 Emission EN 61000 6 1 Immunity Specifications are subject to change without notice 12 Digital Transformer Ratiometer DTR Model 8510 CHAPTER 4 DISPLAY FUNCTIONS 4 1 Program Flow In order to use the instrument efficiently it is important to understand the program flow Pressing the Y and A keys simultaneously allows going up one level if there is a level in the program flow Vertical navigation moving up a level e Pressing the Y or A key allows navigation within the level Horizontal navigation Pressing the ENTER key allows the selection and display of choices one level below if there is a level in the program flow Vertical navigation moving down a level 4 2 Top Level Menu The instrument has a top level control as shown in Fig 4 1 The user can navigate around the ring by pressing the Y or A key lA Figure 4 1 Configuration Once the instrument is turned on it initializes and then displays the Main Screen Figure 4 2 Digital Transformer Ratiometer DTR Model 8510 13 Main Screen Displays the Test Type Test Mode Filter Fast F Normal N or Slow S Storage Mode Auto A or Manual M and the Present Nameplate values if enabled Configure Instrument Configures the i
17. 2 Cleaning A Disconnect the instrument from any source of electricity Use a soft cloth lightly moistened with soapy water Wipe with a moist cloth and then dry with a dry cloth Never use alcohol solvents or hydrocarbons 56 Digital Transformer Ratiometer DTR Model 8510 APPENDIX A DISPLAY MESSAGES Check for H lt gt X Cable Reversal The DTR Model 8510 may have detected a potentially hazardous step up condition while attempting to test the transformer as connected Verify connections High Excitation Current Check test cable connections for inadvertent short circuits Check for shorted transformer windings Low Battery As the batteries are drained during use the green LED will begin to flash when the battery voltage reaches a pre determined threshold The tests can be run as usual during this time but the batteries will soon need to be charged As the batteries reach a predetermined threshold LOW BATTERY indica tion will appear on the display All the buttons will be non operational now The batteries must be recharged in order to continue testing i NOTE The DTR Model 8510 charges in 4 hours The instrument can not be used to test when the batteries are charging X Circuit CONT or OPEN The indication is for CONT Closed switch It indicates a good connection The indication is for OPEN Open switch It indicates a poor or open connection The message C
18. 4 4 3 9 Restoring Factory Defaults 25 4 4 Recall Dala tutes tien tt et t Re d 26 Digital Transformer Ratiometer DTR Model 8510 1 5 OPERATION 28 bat t ROWER Ups EUN 28 5 2 R nning Test ie tees teste epi 29 9 2 1 V TIPT sterben 29 5 2 2 Storing the Measurement Record Manual Auto 31 5 2 2 1 Manual 31 5 2 2 2 Auto MOOG ai n etg 32 5 2 3 VT PT Excitation Current 32 5 24 VT PT Continuity Test 33 5 2 5 CT TeSE u iai Puts 33 5 3 Tips for Making Precise Ratio Measurements 35 BA Ratio Test 91 15am 36 6 CONNECTIONS 37 6 1 Connection Diagrams u 37 6 2 Polyphase Connections u 38 7 DATAVIEW SOFTWARE 39 7 1 Installing DataView9 39 7 2 Opening the Control 43 7 3 Using the Control 45 7 4 Configuring the DTR 8510
19. 6116 Dv abu ite Figure 7 4 To open the Control Panel from DataView Double click on the DataView icon on your desktop The DataView splash screen with a logo and relevant information will be displayed for a few seconds and then the Quick Start dialog box will appear see Fig 7 5 DataVicw Quick Start Instrument Carcel Configure nstrument Help Real time Display Download Data en Data Fie Check foi Dataview Ipdales Open Existing Repert select resort fram lis below Mare Files 10 Test Report PSNH SN 30122743 0 15KVA 2 56 8510 Test PSNH SN 30122743 015 1 uva 8810 Test Report PSNH SN 27874639 0 50 2 8510 Test Report PSNH SN 27874639 0 50 1 Figure 7 5 Digital Transformer Ratiometer DTR Model 8510 43 Select Configure Instrument The Select Instrument dialog box will appear Select Instrument Instrument Ground Tester Installation Tester Megohmmeter Micro Ohmmeter Power Analyzer PO Logger Sentinel Simple Logger II Cancel Model 8510 8510 Figure 7 6 Select DTR and press OK The Connection dialog box will appear see Fig 7 4 The Connection window specifies the connected instrument in the com munications drop down list If multiple units are attached select the desired unit with its associated serial nu
20. Dimensions 10 70 x 9 76 x 5 12 272 x 248 x 130 mm Weight 8 1 lbs 3 7kg Connection XLR connectors Leads 15 ft 4 6m H amp X shielded with color coded large industrial alligator clips in carrying bag Enclosure Heavy duty Polypropylene case UL 94 VO Vibration IEC 68 2 6 1 5mm to 55Hz Shock IEC 68 2 27 30G Drop IEC 68 2 32 1m Index of Protection IP 40 Instrument lid open per EN 60529 IP 53 Instrument lid closed per EN 60529 ENVIRONMENTAL Operating Temperature 14 to 122 F 10 to 50 C Storage Temperature 4 to 140 F 20 to 60 C Relative Humidity 10 to 85 RH 35 C Altitude Up to 2000 meters 6560 ft SAFETY Safety Rating EN 61010 1 50V CAT IV Pollution Degree 2 Double Insulated Yes CE Marking Pending Specifications are subject to change without notice Digital Transformer Ratiometer DTR Model 8510 11 3 2 Battery Charger Specifications DTR 8510 BATTERY CHARGER from battery with mains off ELECTRICAL No load Voltage 41V 2V Fast Charge Current 0 9A 70mA Top off Charge 130mA 40mA Charge Termination Options dV dT dt Input Rating 90 to 264Vac 47 to 63Hz Maximum Output Power 35W Trickle Charge Current 50mA 25mA Leakage Current cmi MECHANICAL Dimensions 4 22 x 2 64 x 1 44 107 x 67 x 36 5mm Weight 0 55 Ibs 2509 Input Connection 2 pin IEC 320 C7 Output Connection NiMH 3 PIN DIN ENVIRONMENTAL Operating Temperature 4 to
21. Save the file in the default location of My Documents WDataViewData Files DTR or select a different folder to save to 7 8 Report Generation To generate a report a file needs to be open 1 Select Open from the File menu If necessary navigate to the appro priate folder where the icp file is located select it and press Open Lok e 29 0TR Samples i 2 A Otras Oct 21 10 50 Necere Decumentt 1 0482000 kp Diaz oct 8 m p FA test 2 oxt 0 2010 Dacian Ld Tes 4 Oct B 2010 kp ten 8 20 0 kp EA Test 6 oct 0 z010 kp LA test 7 21 2010 My Document My Computer File nave Test BHov 8 2010 m Deen Fiet ol DTA Data Comet My Ner C1 Open a reader Figure 7 14 Digital Transformer Ratiometer DTR Model 8510 51 Once the file is open select Create DataView Report from the File menu or click on the Create DataView Report icon report will appear on the screen Index Date Time Object Name Name Turns Ratio Deviation Current Primary Secondar 1 11 15 2010 4 44 18 000 PM Object Test 1 2 7555 1 0 01 19920 v 7200 v 2 11 15 2010 4 45 32 000 PM Object Test2 27657 0 00 19920 v 7200 V 3 11 15 2010 4 46 19 000 PM Object Test3 27655 0 00 mA 19920 v 7200 v 4 11 15 2010 4 46 36 000 PM Object Test4 27657 000 19920 V 7200 V 5 11 15 2010 4 46 50 000 PM O
22. Write to Instrument Default Storage Mode Read from Inst t Manual Present Nameplate Values O Automatic 19920 Figure 7 8 Date Format Allows selection of the Date Format as MM DD YY or DD MMyYY or YY MM DD Time format Allows selection of Time format as 24 hour or 12 hour format Default Test Type Allows selection of VT PT or CT test Default Test Mode Allows selection of test for Ratio only or Cont Ratio Continuity and Ratio mode Digital Transformer Ratiometer DTR Model 8510 47 Default Storage Mode Allows selection of storage of each Measurement Record in Manual or Automatic mode Default Nameplate Values Allows the user to store the most frequently used nameplate values or ratio values Present Nameplate Values Allows the selection of the present nameplate values The Deviation will be calculated based on the Present Nameplate values for each measurement Set Clock Allows setting the clock on the instrument manually or synchronized with the clock in the computer Date Time Dae 11 8 200 Time 43330PM 4 Synchronize with PC Clock Figure 7 9 Erase Memory Allows the memory to be completely erased Language Allows the selection of English French German Italian or Portuguese Write To Instrument Allows the present configuration values to be writ ten in the instrument pe NOTE None of the changes made on the configuration screen take
23. atically checks for lead reversal Continuity of tested circuits windings if configured Short circuit conditions high current Upon completion of a test cycle the DTR 8510 displays Turns Ratio The ratio of the primary to secondary voltage at the transformer terminals due to test excitation Excitation Current The RMS excitation current in the H winding due to test excitation during negligible loading of the associated X winding Polarity Indicates the polarity phase of X relative to H Deviation Indicates the deviation from nameplate ratio in Turns Ratio Excitation Current Polarity and Deviation are useful param eters in diagnosing and predicting a variety of faults that occur in power potential and current transformers 6 Digital Transformer Ratiometer DTR Model 8510 The DTR 8510 will display the following messages Incorrect Lead Connections H X Reversal accidental step up misconnection Short excess excitation current Open Circuits Circuit Continuity Low Battery In addition the DTR 8510 allows the user to store the data in automatic or manual mode after each test eliminating the need to write down the test results Each measurement record is date and time stamped providing complete test information The user can also save Nameplate voltages and compare the results as the data is being gathered The data can later be downloaded to a PC and analyzed using th
24. bject Test5 27655 0 01 19920 v 7200 v 11 15 2010 4 47 07 000 PM Object Testb 275657 000 19920 V 7200 V 7 8 9 11 15 2010 4 47 21 000 PM Object Test7 275541 0 01 19920 v 7200 v 11 15 2010 4 47 36 000 PM Object Test8 25551 0 00 0 mA 19920 v 7200 v 11 15 2010 4 47 50 000 PM Object Test9 2 7666 1 0 00 0 mA 19920 v 7200 v 11 15 2010 4 48 04 000 PM Object Test 10 2 556 1 0 00 0 19920 v 7200 v Figure 7 15 All downloaded files and reports are saved in the default location of My Documents or Documents for each user DataView and Control Panel CP are fully integrated programs for instrument control and data analysis report generation CP can download the Measurement Records previously stored in the DTR 8510 memory These Measurement Records can be stored in the icp format Reports can be generated by a single click on the icon or create DataView Report from the File menu When a report is created a database file dvb is automatically created DataView can also call the CP or the CP of other instruments DataView cannot open icp files When a report is created from the CP a report can be stored In the process a dvw file is generated DataView can also create a report from the available database files A dvb file is automatically created when the CP creates a report from icp file W
25. ble Parameter Default Value Test Mode Ratio Test Type VT PT Filter Normal Storage Mode Manual Language English Nameplate Disable 19920 7200 19920 4800 19920 2400 19920 2160 Nameplate 19920 120 Values 7200 2400 7200 2160 7200 120 2400 120 2160 120 Table 4 1 To set the instrument back to the factory default configuration 1 2 3 4 Turn the DTR 8510 OFF Press and hold the A button Turn the DTR 8510 ON Release the A button when the instrument beeps pie NOTE The previously stored Measurement Records will remain in the memory and the language will remain the same as before the default configuration was loaded Digital Transformer Ratiometer DTR Model 8510 25 4 4 Recall Data 1 Fromthe Main Screen press the V or A key until Recall Data appears on the display then press ENTER Figure 4 20 The Measurement Record in OBJECT 01 and TEST 01 will be dis played as well as the Ratio i NOTE The V after the Ratio indicates the VT PT test type C would be displayed if the Ratio was from a CT test Figure 4 21 2 Press the TEST button to move to second screen which will display Current and Deviation 96 Figure 4 22 3 Press the TEST button to move to the third screen to display the Date and Time 26 Digital Transformer Ratiometer DTR Model 8510 Figure 4 23 4 Press the TEST button to move to the fourth screen to d
26. c and will terminate on its own upon completion CAUTION Do not use any other charger Donot connect DC power supply Damage will occur to the instrument Digital Transformer Ratiometer DTR Model 8510 53 The DTR 8510 must be charged indoors Disconnect the charger upon completion of the charging process NiMH battery manufacturers do not allow trickle charge for a long time on a recurring basis Note The DTR 8510 Power Switch must be in the OFF CHARGE position in order for the unit to charge The DTR 8510 cannot be used to test while it is charging There is no indication on the front panel about the status of charging or its completion The Status LED is on the charger unit itself see Figure 8 1 Figure 8 1 Charge Cycle and Status LED Indication on the Charger LED MODE Orange Battery not connected Orange Battery initialization amp analysis Red Fast Charge Green with Intermittent Orange Flash Top off charge Green Trickle charge Alternating Red Green Error Table 8 1 54 Digital Transformer Ratiometer Model 8510 The smart charger has the following features Multiple charge detection methods dV typical and dT dt Typically the indication that the battery is fully charged is detected by a slight drop in its voltage d V However if the batteries are unused for a long time they may display the same drop in voltage in the early part of the charge c
27. e DataView software package which is included with the product DataView allows full control of the instrument i The DTR 8510 utilizes an advanced low voltage step down measure ment technique in which the high voltage H windings are subjected to test excitation This results in greater operator safety and the ability to test a much wider array of transformer types and sizes Digital Transformer Ratiometer DTR Model 8510 7 22 Control Features USE SPECIFIED CHARGER ONLY L A USE ONLY ON DE ENERGIZED TRANSFORMERS OFF HARGE lt gt 3 Cy ON A H CONTRAST AEM 6 DIGITAL TRANSFORMER RATIOMETER NSTRUM N INSTRUMENTS DTR MODEL 1 Display Displays data status and control features of the instrument 2 USB Connector Allows connection to a computer for instrument configuration set up and status check downloading of the stored data using the DataView software and running a test 3 High side H Cable Connector primary Connection for the primary side of the transformer 4 Low side X Cable Connector secondary Connection for the secondary side of the transformer 5 Battery Charge Input Connector Allows the smart charger to charge the batteries 6 Power Switch Turns the instrument ON or OFF if the charger is not con
28. e the Measurement Record So it is possible for the user to store the Measurement Record at various locations leaving gaps in the storage memory map All Measurement Records will be downloaded no matter where they are stored in the memory n Auto mode the instrument will store the Measurement Record at the end of a test starting with the first available location All the subsequent Measurement Records will be stored sequentially If the previously stored Measurement Record is encountered the Auto store mode will skip over and store the new Measurement Record in the next available location i NOTE If the DTR 8510 is connected to a computer Auto mode will be disabled The Measurement Record will not be saved in the instrument but will be sent to the computer Digital Transformer Ratiometer DTR Model 8510 21 4 3 6 Select Filter 1 From the top level of Configure Instrument press the Y or A key until Select Filter appears on the display then press ENTER Figure 4 17 2 Select Fast Normal or Slow using Y or A and press ENTER The display will return to Configure Instrument Select Filter i NOTE The DTR 8510 offers the user a choice of three digital filters for measurement depending upon the external electrical noise These are sophisticated digital filters in the design which offer maximum noise rejection for repeatable measurements Digital Filters The digitization of signal is done with Sigma Delta Z A
29. ed ratios must be multiplied or divided by V3 Refer to 6 for polyphase connection diagrams and associated ratio equations Digital Transformer Ratiometer DTR Model 8510 35 5 4 Ratio Test 1 1 A simple test can be conducted to test functionality of the DTR 8510 1 Connect the HRED to XRED cable and separately connect the HBLACK to XBLACK This connection simulates a 1 1 transformer 2 Run VT PT test In this connection mode the test results should yield a ratio nearly equal to 1 0000 If it does not the DTR 8510 may require repair or re calibration H RED X RED 1 1 H BLACK X BLACK EQUIVALENT CONNECTIONS Figure 5 8 36 Digital Transformer Ratiometer Model 8510 CHAPTER 6 CONNECTIONS 6 1 Connection Diagrams Make sure that the HRED lead is always connected such that it does not short to the XRED or XBLACK lead directly or through earth ground In the diagrams below the top three are good connections but the bottom two should be avoided Measurements OK HR HB e e XR XB HRe XR XB P s pe l 1 HB HR XB XR HB e XR XB fgg HR P lt S HB XB XR Measurements NOT OK HB HB XR XB P n XRIXB XB XR 1 S 1 HR XB XR HR i XR XB Digital Transformer Ratiometer DTR Model 8510 37 6 2 Polyphase Connections TRANSFORMER XFMR TURNS HIGH VOLTAGE LOW VOLTAGE VOLTAGE VOLTAGE
30. ee Fig 5 2 2 Press TEST button The test will run continuity first and then run the ratio test Figure 5 3 WARNING It is important to make sure the Primary H and the o Secondary X cables are connected properly BEFORE running the test This is especially true for the high turn ratio transformers since dangerous high voltage may appear on the DTR 8510 terminals NOTE In this 30 Continuity checks for the integrity of the cable connections only It does not check for H X reverse polarity If the continuity for the Primary connections is within specified limits the display shows or equivalent to a Closed Switch If the continuity for the Primary connections is outside the speci fied limits the display shows or equivalent to an Open Switch During the Ratio test the instrument will check for H X reverse polarity short excessive current etc before conducting Ratio test example the display will appear as shown below C lt 1mR D Figure 5 4 Digital Transformer Ratiometer DTR Model 8510 If the H X were reversed the instrument will display the following error message and terminate the test Check for Hi Cable Reversal Figure 5 5 NOTE If there were a polarity reversal the Ratio would be displayed negative and it would be blinking This means either the connections are reversed on a given side or the transformer is wound backwards relat
31. gh Boulevard Foxborough MA 02035 USA Phone 800 343 1391 508 698 2115 Fax 508 698 2118 E mail techsupport aemc com www aemc com NOTE Do not ship instruments to our Foxborough MA address 60 Digital Transformer Ratiometer DTR Model 8510 Limited Warranty The DTR Model 8510 is warranted to the owner for a period of one year from the date of original purchase against defects in manufacture This limited war ranty is given by AEMC Instruments not by the distributor from whom it was purchased This warranty is void if the unit has been tampered with abused or if the defect is related to service not performed by AEMC Instruments For full and detailed warranty coverage please read the Warranty Coverage Information which is attached to the Warranty Registration Card if enclosed or is available at www aemc com Please keep the Warranty Coverage Information with your records What AEMC Instruments will do Ifa malfunction occurs within the one year period you may return the instrument to us for repair provided we have your warranty registration information on file or a proof of purchase AEMC Instruments will at its option repair or replace the faulty material REGISTER ONLINE AT www aemc com Warranty Repairs What you must do to return an Instrument for Warranty Repair First request a Customer Service Authorization Number CSA by phone or by fax from our Service Department see address below
32. heck X Connection will be displayed Digital Transformer Ratiometer DTR Model 8510 57 H Circuit CONT or OPEN The indication is for CONT Closed switch The indication is for OPEN Open switch The message Check H Connection will be displayed Note If both H and X connections are open Check H X connection will be displayed Low X Signal Check Secondary X cables for inadvertent short Check to make sure the Secondary X cable is connected properly at the instrument panel Secondary X winding may be shorted or the transformer circuit breaker may be open or the ratio may be higher than the instrument can measure Low H Signal Check Primary H cables for inadvertent short Check to make sure the Primary H cable is connected properly at the instrument panel Primary H winding may be shorted Memory is Full Data NOT stored The instrument memory is full and there is no more location left for additional storage Memory Error Service Required Measurement Records cannot be stored or recalled because the memory cannot be accessed Factory service is needed However the DTR 8510 can be used to make measurements in a normal manner 58 Digital Transformer Ratiometer DTR Model 8510 APPENDIX B Transformer Serial Number Correlation to Object Number Object 1 99 Transformer Serial Digital Transformer Ratiometer DTR Model 8510 of Tests in Object 1 99
33. hen a report is created a dvw file is created This report can be directly opened from DataView NOTE For more information about using DataView refer to the DataView manual that is included on the installation CD This manual can also be found online at www aemc com on our software download page for DataView 52 Digital Transformer Ratiometer Model 8510 CHAPTER 8 MAINTENANCE Use only factory specified replacement parts AEMC will not be held responsible for any accident incident or malfunction following a repair done other than by its service center or by an approved repair center A WARNING To avoid electrical shock do not perform any service other than the operating instructions contained in this manual unless you are qualified to do so Do not allow water or other foreign substances into the case Disconnect the unit from all circuits and test cables before opening the case Use caution with metallic tools that may short battery packs power supplies etc 8 1 Charging the Batteries The DTR 8510 is supplied with an external smart charging unit In order to charge the NiMH battery packs the instrument switch must be in the OFF CHARGE position Connect the charger unit output cable to the 3 pin DIN connector on the front panel of the instrument and connect the AC power cord to the AC receptacle The charging starts as soon as the power is applied the process is auto mati
34. isplay the Primary and Secondary voltages of the Present Nameplate at the time the measurement was made Figure 4 24 5 Press the TEST button again to return to the first screen 6 Select any OBJECT and any TEST using the Y or A key and the ENTER key to view the Measurement Record at any location NOTE The DTR 8510 can store 99 OBJECTs Each OBJECT can store up to 99 TESTs n Manual mode the user can select the location to store the Measurement Record The Measurement Records do not have to necessarily be sequentially stored So during a Recall Data operation it is important for the user to know where the data is Appendix B on page 59 provides a form for the user to identify the information stored at each location The form can be copied and used as needed Digital Transformer Ratiometer DTR Model 8510 27 CHAPTER 5 OPERATION WARNING The DTR Model 8510 is designed for use on de energized dead transformers only Make sure the test sample is completely disconnected from AC power and is fully discharged 5 1 Power Up Turn the power switch to the ON position At power up the instrument goes through an initialization process Beeps once Displays Initializing Please Wait for a short duration Displays the Company Name and Firmware version number Displays Date and Time for a short duration The instrument rests at the Main Screen which displays Test Type Test Mode Filter Storage
35. ive to the marking The test may be run as many times as needed by pressing the TEST button An active test can be cancelled at any time by pressing the TEST button Make sure that the HRED lead is always connected such that it does not short to the XRED or XBLACK lead directly or through earth ground See 6 for more connection details 5 2 2 Storing the Measurement Record Manual and Auto Mode The storage mode you are in depends on what you selected when config uring the instrument see S 4 3 before running a test 5 2 2 1 Manual Mode When Manual mode is selected the Measurement Record storage is optional to the user 1 Tostore the active measurement using Manual mode press the MEM ENTER button The display looks as shown below TEST Sauve k 1 Test ic Figure 5 6 Digital Transformer Ratiometer DTR Model 8510 31 2 Select the OBJ and Test location using the Y or A key and press ENTER 3 Press ENTER or TEST to store the Measurement Record NOTE After the test is run the new location is automatically increased sequentially from the last stored location Ifa given location is not available for storage the Save field will display N A n order to NOT STORE the Measurement Record simply press the TEST button after the measurement is completed 5 2 2 2 Auto Mode When Auto mode is selected the instrument requires no user input 1 Atthe end of the test the Measu
36. lows splitting the screen to view the information Instrument Connect Establishes a connection with the instrument Disconnect Closes the connection with the instrument Configure Displays the instrument configuration window Download Downloads recorded data stored in the DTR 8510 Run Test Allows running a test from the computer Help Help Topics Displays the Control Panel help topic About DTR Displays a dialog box providing the current version number of the DTR 8510 and DataView software 46 Digital Transformer Ratiometer Model 8510 7 4 Configuring the DTR 8510 To Configure the DTR 8510 perform the following steps 1 Open the Control Panel and connect to the instrument To open the Control Panel refer to 7 2 2 Next select Configure from the Instrument menu or click on the Configure icon The Configure Instrument dialog box will be dis played DTR Model 8510 Configuration Panel Date Format Defined Nameplate Values Set Clock MM DD YY Primary Side Secondary Side O DD MM YY 19920 7200 O YYMM DD 19920 4800 Language Time Format 19920 5 2400 English 5 24 hour clock 12 hour clock 19920 42 Fast 19920 120 Normal 7200 2400 O Slow Default Test Type VT PT 7200 2160 Deviation r Enable Disable Default Test Mode 20 Ratio 120 Cont Rati 1 Cont Ratio 120
37. mber from the drop down list Once the desired instrument has been selected click OK and the DTR 8510 Control Panel and Configuration window will open see Fig 7 8 44 Digital Transformer Ratiometer DTR Model 8510 7 3 Using the Control Panel The Control Panel is used for instrument operation and configuration To open the Control Panel refer to 7 2 Figure 7 7 The main menu at the top of the screen lists the following commands File Open Opens a DTR icp file Save Saves the report file in the appropriate folder Save as Permits the user to save the report at the location of his choice Create DataView Report Generates report for the open test results Print Test Prints the result of the test Print Preview Provides a preview of the selected test to be printed Print All Tests Prints all the tests in the selected Object Print Prints the selected real time window Print Preview All Tests Provides a preview of all tests to be printed Print Setup Displays a Print Setup window allowing you to select a destination printer and change various printing options Exit Closes the control panel Digital Transformer Ratiometer DTR Model 8510 45 Edit Edit Edits the session information for the selected test in the opened icp file Delete Deletes the current test from the icp file View Toolbar Allows selection to view the toolbar Status bar Allows selection to view the status bar Split Al
38. modulator The output is a high frequency bit stream which is fed to a digital filter The filtering of signal is performed with sophisticated sinc Sinx x filter The primary function of the filter is to remove the quantization noise introduced during the modulation process The filter limits the band of the allowed frequency to significantly lower than one half of the frequency of the modulator itself This reduces the 1 bit output of a comparator in a band limited very low noise output The cut off frequency and the decimated data rate are appropriately programmed in the internal registered and the output is arithmetically averaged to provide an accurate final answer High decimation results in lower noise but at a slower throughput rate The calculation of arithmetic mean is a quick process at high clock speeds of the microprocessors The DTR 8510 improves the quality of measurements in the following ways 1 2 3 4 Low noise electronics Shielded electronics and cables Differential measurements to reduce common mode effects Ratiometric calculations to reduce dynamic errors 22 Digital Transformer Ratiometer DTR Model 8510 VT PT Fast Normal Slow Approx Measurement Time 6 55 95 195 Uses Electrically In Most Electrically Quiet Abplications Very Noisy Environment PP Environment Fast Normal Slow Approx Measurement Time 14 5 16 5 43 5 Uses Electrically In Most
39. nected If the charger is connected the batteries charge in OFF CHARGE position 7 Operation and Battery Low Indicator Green LED indicates that the instrument is on and blinks when the batteries are getting low lt 12V The instrument will completely shut down when the batteries are below 8 7V 8 Digital Transformer Ratiometer DTR Model 8510 8 Display Contrast Adjustment Allows adjustment of the display contrast 9 Function Keys Allows navigation of the menu and functions of the instrument 10 Backlight Control Button Turns the display backlight ON OFF 11 Test Button Runs the selected test when pressed and released 2 3 Cable Identification Primary H Cable RED INLINE PLUG H IDENTIFIER Cd o 5 CONNECTOR H IDENTIFIER BLACK PLUG Secondary X Cable RED INLINE PLUG X IDENTIFIER 3 PIN CONNECTOR X CABLE SET Mo X IDENTIFIER BLACK WE PLUG Each cable is clearly marked The Primary H cable has a 5 pin connector and the Secondary X cable has a 3 pin connector They cannot inadvertently be connected incorrectly Digital Transformer Ratiometer DTR Model 8510 9 CHAPTER 3 SPECIFICATIONS Reference Conditions 23 C 5 C 30 to 50 RH range Add 25ppm C from 10 to 18 C and 28 to 50 C to all accuracy specifications No external electrical or magnetic fields Output current
40. nstrument see 4 3 Recall Data Stored data can be selected and displayed see 4 4 NOTE The program flow is two or three levels deep at various points The available choices for a level can be viewed by pressing the Y or keys The ENTER key is used to select the following functions 4 3 Enter configuration menu Enter Recall Data menu Initiate storage of test results accept location parameters and store the Measurement Record Configure Instrument With the display showing Configure Instrument press the ENTER key The configuration ring see Figure 4 4 can be navigated around using the or Y key 14 Figure 4 3 Set Clock Allows the setting of Time and Date Setup Nameplate Allows selection and editing of Present Nameplate voltages or ratios Predefined ratios can only be edited through DataView Select Test Type Allows the selection of Test Type VT PT or CT Select Test Mode Allows selection of the Test Mode Ratio or Continuity Ratio in VT PT Mode Select Storage Mode Allows the selection of data storage mode Automatic or Manual Digital Transformer Ratiometer DTR Model 8510 Select Filter Allows selection of filter Fast Normal Slow See 4 3 6 Erase Memory Allows deletion of all the stored measurement records Select Language Allows selection of language on the display English French German Italian Spanish Portuguese
41. nt Record in the selected Object and Test locations then press Close to close the dialog box NOTE Pressing Save in the dialog box only saves the test to the instru ment NOT the computer To save the test on the computer select Save from the File menu Digital Transformer Ratiometer DTR Model 8510 49 7 6 Downloading a Test This selection permits downloading of the stored Measurement Records from the instrument To download a test 1 Click on the Download icon 8 in the toolbar or click on Recorded Data on the side menu The Select Tests dialog box will appear Select Tesis Select bests to download 1 Text 1 Object 1 Test 2 Object 1 Test 3 fest Object 1 teat 8 1 Test 6 Object 1 Test 7 Object 1 Text 6 1 Tout 9 Object 1 Test 10 Figure 7 11 This dialog box displays the content of the memory No Measurement Records are downloaded as yet 2 Select the Measurement Records individually or press Select All Press Download to get the data to the computer a Figure 7 12 50 Digital Transformer Ratiometer DTR Model 8510 7 1 Saving the Measurement Records 1 Select Save or Save As from the File menu The Save As dialog box will appear oom Soin AAI Objects Oct 21 2010 0 Test 1 Oct 6 2010 8 Mev 8 2050 DTA Dua Figure 7 13 2
42. o acknowledge Battery Fuse USB socket Compliance with the Low Voltage amp Electromagnetic Compatibility European directives 73 23 CEE amp 89 336 CEE 25220 eB P m 1 2 CAT I CAT II CAT Ill CAT IV In the European Union this product is subject to a separate collection system for recycling electrical and electronic components In accordance with directive WEEE 2002 96 EC Definition of Measurement Categories For measurements on circuits not directly connected to the AC supply wall outlet such as protected secondaries signal level and limited energy circuits For measurements performed on circuits directly connected to the electrical distribution system Examples are measurements on house hold appliances or portable tools For measurements performed in the building installation at the distri bution level such as on hardwired equipment in fixed installation and circuit breakers For measurements performed at the primary electrical supply lt 1000V such as on primary overcurrent protection devices ripple control units or meters Digital Transformer Ratiometer DTR Model 8510 1 3 Receiving Your Shipment Upon receiving your shipment make sure that the contents are consis tent with the packing list Notify your distributor of any missing items If the equipment appears to be damaged file a claim immediately with the carrier and notify your distributor at once giving a detailed
43. plate from the list in the future and may or may not edit the values As soon as the new Nameplate values are selected and or edited it becomes the new Present Nameplate Digital Transformer Ratiometer DTR Model 8510 17 The Present Nameplate values are displayed in the Main Screen Each Measurement Record will record the Present Nameplate along with other associated parameters and will be available when the data is downloaded The Ratio of the nameplate values must be between 1 and 32767 The Nameplate needs to be enabled If the Nameplate is not enabled the Deviation will not be reported after the measurements Subsequently the stored values will not have Nameplate and Deviation in the Measurement Record i NOTE The Main Screen will display the Present Nameplate only if it is Enabled If it is not Enabled it will display for Primary and Secondary To configure the settings for the Nameplate perform the following 1 Within the top level of Configure Instrument press the Y or A key until Setup Nameplate appears on the display then press ENTER Figure 4 9 2 The display will show Enable with Yes and No choices Press the Y key to select Yes Enable Nameplate Figure 4 10 18 Digital Transformer Ratiometer DTR Model 8510 3 The display will now show the following screen Figure 4 11 4 Select List by pressing the Y key The list can then be scrolled from 0 to 9 Nameplate values b
44. r CD ROM drive is drive D If this is not the case substitute the appropriate drive letter NOTE If installing onto a Vista Windows 7 computer the User Account Control dialog box may appear Select the Allow option to proceed jme Digital Transformer Ratiometer DTR Model 8510 39 2 A Set up window similar to the one below will appear Espa ol 37 Selaci an hom kal below ther select the Install bulton Options Descnpeon EIT iius the vernon of Daae onto tha cometer Adobe Reade This vernon of Dataview supporti the folowing nitrument Daarn Update Fermer Up ades Ground Tester Model 6470 0 6471 ond 5472 Documeni s Megohmmelter Model 1050 5060 and 5070 Mero hmmeber Model 6260 and 5250 Power Mater Model E2201 Powe Quality Logger Model aed ad Model 3345 and 3945 8 Il Model 0335 h Model 0230 Sentine Date Logger Simple Logger 1 DTA Model 8510 Figure 7 1 There are several different options to choose from Some options require an internet connection 40 DataView Version x xx xxxx Installs DataView onto the PC Adobe Reader Links to the Adobe website to download the most recent version of Adobe Reader to the computer Adobe Reader is required for viewing PDF documents supplied with DataView that are accessible from the Help menu DataView Updates Links to the online AEMC softwa
45. re updates to check for new software version releases Firmware Upgrades Links to the online AEMC firmware updates to check for new firmware version releases Documents Shows a list of instrument related documents that you can view Adobe Reader is required for viewing PDF documents supplied with DataView DataView Version x xx xxxx option should be selected by default Select the desired language and then click on Install The Installation Wizard window will appear Click Next To proceed accept the terms of the license agreement and click Next In the Customer Information window enter a Name and Company then click Next Digital Transformer Ratiometer DTR Model 8510 7 In the Setup Type window that appears select the Custom radio button option then click Next NOTE DataView is common to several AEMC Instruments products 8 In the Custom Setup window that appears select the instrument control panel that you want to install by clicking on the Red X icon and selecting the option Will be installed on local hard drive from the list then click Next i NOTE The PDF XChange option must be selected to be able to generate PDF reports from within DataView DalaView AEMC InstallAware Wizard Lustom Setup Choose the program features you would Bur to install be on an icon in the kst below to change how Feature is installed Festure Ground Morito Inctals
46. rement Record is stored in the loca tion next to the first available location and then will store sequentially NOTE If the previously stored Measurement Record is encountered the Auto store mode will skip over and store the new Measurement Record in the next available location 5 2 3 Excitation Current Excitation current displayed in milli amperes mA is the RMS current in the Primary H winding due to test excitation The loading on the Secondary X winding due to the DTR 8510 is negligible The DTR 8510 uses a maximum of 32Vrms excitation voltage for testing The displayed excitation current will almost always be a small fraction of transformer no load excitation at full rated voltage Most transformers will require less than 100mA f you are presently using a ratiometer that employs secondary X side excitation e g common hand cranked instruments in step up mode the current may be much higher than what the DTR 8510 displays This is normal and results directly from the fact that in most step down transformers the Primary H side has a much higher impedance than its associated Secondary X winding 32 Digital Transformer Ratiometer Model 8510 5 2 4 Continuity Test The Continuity Test function of the DTR 8510 serves as a useful means of identifying open primary and secondary windings high resistance con nections open circuit breakers and blo
47. rom AC power and is fully discharged Only qualified personnel should use the DTR 8510 The DTR 8510 must not be used in a manner in which any of its components including test cables are relied upon to provide protection from electric shock No high voltage insulation protection is provided by any component of the DTR 8510 Always make sure the circuit is fully discharged before attaching any test cables Do not touch adjust or reposition test cables while the DTR is conducting a test Use caution on any apparatus potentially high voltages and currents may be present and pose a shock hazard Safety is the responsibility of the user Only use the charging unit supplied with the instrument to recharge the battery Never open the instrument while it is connected to AC power or when test cables are connected to transformers equipment circuits etc Digital Transformer Ratiometer DTR Model 8510 3 1 1 International Electrical Symbols Signifies that the instrument is protected by double or reinforced insulation CAUTION Risk of Danger Indicates a WARNING and that the operator must refer to the user manual for instructions before operating the instrument in all cases where this symbol is marked Risk of electric shock The voltage at the parts marked with this symbol may be dangerous Ground Earth Important instructions to read and understand completely Important information t
48. tacle anywhere in the world without the need for an external transformer Digital Transformer Ratiometer DTR Model 8510 55 Functionality Charging begins when the charger is connected to the DTR 8510 and the power switch is in the OFF position The LED will be orange before the fast charge starts The LED will change to red when the fast charge cycle begins When the cells are fully charged and the voltage drops because of the dV signal from the cells the charger will go into a top off charge mode before switching to trickle charge mode During the top off charge session the LED will be green with short inter mittent orange flashes When the top off charge is complete the charger will go into trickle charge mode changing the LED color to green The charge current is now reduced to a safe level However trickle charging in excess of 12 hours on routine basis could be damaging for NiMH bat teries If the safety timer disconnects before dV the top off charge will not be engaged The charger will then go directly to trickle charge mode and the LED will turn green If the battery voltage is far below normal the charger will stop the fast charge current and switch to trickle charge mode The LED will then indicate an error by flickering green and red The battery packs and or the charger may need to be replaced If the line power is turned off the charger will reset and start a new charge cycle when it is turned on again 8
49. te Format 3 Usethe V or A keys to navigate to the other date and time options or press both Y A keys together to return to the top level 4 3 2 Setup Nameplate Nameplate values are primary and secondary voltages or ratios associated with a given transformer This information is available on the Nameplate of the transformer The measured results will be compared with selected edited Nameplate values and Deviation will be displayed and stored in relative to these values The DTR 8510 allows the storage of 10 Nameplate voltages or ratios which can be individually selected for a given test NOTE The Nameplate list of up to 10 transformers can be written to and saved only using DataView software The values in the list can be edited for use but cannot be saved from the front panel The keys on the front panel can select any one of the 10 transformer Nameplate values Once the transformer values are selected they can be edited to a new value using the V A and ENTER keys When the new values are selected even if they are not edited to new values it becomes the Present Nameplate and will be used for all subsequent VT PT and CT measurements Deviation will be reported and stored using these values The Present Nameplate values will be retained in memory even if the instrument is turned OFF and turned ON However it will not be saved in the list from which it was originally selected The user can select another Name
50. the control panel for the Ground Tester Digital Turns Ratiometer Tester Weqoluyeneter Power Quality Looper PurrerPad PowerPad 11 PoverPad Jr Sentinal Data Logger Sinple Logger Wattmeter Por xchanigs Model 8510 Required 22 712 KB Remaining 267 167 MB mmn Figure 7 2 NOTE Shortcuts for DataView and each instrument control panel selected during the installation process will be added to your desktop You can add another instrument at any time 9 The Destination Folder window appears Keep the install location at the default of Program Files and click Next Digital Transformer Ratiometer DTR Model 8510 41 10 In the Select Program Folder window that appears next select the all users radio button if more than one person will need to access the software on the same computer Click Next 11 In the Completing the Install Wizard for DataView window click on Next and the installation will begin 12 If the instrument selected for installation requires the use of a USB port a warning box will appear similar to Figure 7 3 Click OK DataView InstallShield Wizard m Do not connect the AEMC USB Instrument or cable unti after the instalation of the drivers and the Dota software has 1 the AEMC USB Irsbrueserd or cabin b connected to the copier nox Den disconnect t from the computer before proceeding OK J Figure 7
51. the display then press ENTER Figure 4 14 2 Select VT PT or CT using Y or A and press ENTER The display will return to Select Test Type i NOTE Once the Test Type is selected it is retained until changed by the user If the instrument is turned OFF and turned ON the Test Type will be the same as last selected 4 3 4 Select Test Mode 1 From the top level of Configure Instrument press the Y or A key until Select Test Mode appears on the display then press ENTER Figure 4 15 2 Select Ratio or CONT Ratio test using V or A and press ENTER The display will return to Select Test Mode 20 Digital Transformer Ratiometer DTR Model 8510 CONT Ratio Performs a Continuity test followed by Ratio test only in VT PT Continuity test is not available N A in CT mode Ratio test Performs only the Ratio test in the VT PT or CT mode i NOTE Test Mode can also be selected from the Main Screen by press ing ENTER which toggles the selection of CONT and Ratio 4 3 5 Select Storage Mode 1 From the top level of Configure Instrument press the Y or A key until Select Storage Mode appears on the display then press ENTER Figure 4 16 2 Select Auto or Manual using Y or A and press ENTER The display will return to Configure Instrument Select Storage Mode NOTE In Manual mode the user has a choice at the end of a test whether to store the Measurement Record or not The user also has a choice of where to stor
52. wn fuses When selected the DTR 8510 checks for continuity between its Secondary X and Primary H cables The DTR 8510 will indicate OPEN for circuits gt 4KQ and CONT for circuits lt 4KQ Check these values A small fraction of transformers High inductance or high winding Ohmic DC resistance may appear open The instrument checks for Secondary X connections first Even if itis found open it continues to check Primary H connections Regardless of the outcome the instrument proceeds to perform pre test checks Following the pre test checks if either X or H or both were found to be OPEN the instrument will display the appropriate error message Pressing the TEST button again will start a new Continuity test assuming the user fixed the connection problem again If it passes the Continuity test Ratio test will be executed Transformers with winding arrangement multiple parallel paths e g Delta type may read CONT even if one or more windings may be OPEN 5 2 5 CT Test In this section an example of running a test using the following configura tion see 4 3 for how to configure the instrument is shown Set Date Time July 4 2010 6 00 PM Set values in Nameplate Primary Current 19920 Secondary Current 7200 Select Type CT Select Test Mode Ratio Storage Mode Manual SetFilter Normal Set Language English Note CT test does not allow a CONT Ratio option It only runs a Ratio test
53. y using the Y or A key Select the desired Nameplate by pressing ENTER The display will return to Setup Nameplate Figure 4 12 5 Press ENTER then Yes Y on Enable 6 Select Edit by pressing the Y key The values in the Present Name plate can be edited digit by digit by selecting each digit with the Y or A and then pressing the ENTER key When the last digit on the Sec ondary is selected the display returns to Setup Nameplate Figure 4 13 Selecting one transformer from the list will replace the values in the Present Nameplate immediately The values can then be changed in the Edit mode if needed Selecting Edit will allow the user to modify the values in the Present Nameplate The Edit process changes the values in the Present Nameplate only The values previously stored would remain the same The stored List values can only be changed in DataView Digital Transformer Ratiometer DTR Model 8510 19 In order to write the Present Nameplate value you must press ENTER until Setup Nameplate is displayed Otherwise the ratio will not be entered If the up down arrows are pressed after setting the ratio then it performs a cancel operation and the changes will not be saved REMEMBER In order to move one level up and return to Configure Instrument press the W A keys simultaneously 4 3 3 Select Test Type 1 From the top level of Configure Instrument press the Y or A key until Select Test Type appears on
54. ycle even if they are not fully charged This is a false indication In order to prevent the termination of charge cycle due to this false indication there is an integral timer built in the charger which will disregard the dV for the first minutes of the charge cycle The battery packs are built with a thermistor The smart charger constantly monitors the battery pack temperature A built in temperature charge control dT dt secures optimal charge Safety timer termination In case the batteries do not exhibit sufficient dV dt for the charger to detect there is an internal safety timer which is custom programmed for the battery packs used in the DTR Model 8510 Fast charging cycle This charge cycle supplies a maximum 900mA charge until dV is detected Integral start timer to prevent initial false dV detection A few battery cells may have a voltage drop dV in the first part of the charge cycle This is especially true for battery cells which have been idle for a long period of time Because of this a start timer built into the charger prevents dV detection in the first minutes of the charger cycle Reverse polarity short circuit protection The charger is protected against reverse polarity by an automatically resettable polyswitch fuse on the output LED status indicator see Table 8 1 on page 54 Universal input voltage With the use of a proper power cord the charger can be connected to standard AC recep

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