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D30R Users Manual

55

Do Not Touch Test Leads while test is in Progress!

71-023 Rev C 5/8/2007

6.

After time has elapsed for the DC Over Voltage Test, usually 60
seconds per IEEE 95, press the “Save Meg” button. Megohm data will
be displayed in the middle of the screen between the voltage and
current slider bars. Data acquired at 30 seconds and at 1 minute will be
displayed. These two values are required for calculation of DA and PI
tests. The tester automatically acquires these values; however, if only a
DC Over Voltage Test (HiPot test) is required, these data points will
not be used.

Fig 5-10: Completed Test View

Sample Data showing Good & Poor Insulation

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Summary of Contents for D30R

Page 1: ...le test is in Progress 71 023 Rev C 5 8 2007 Users Manual Digital Surge DC HiPot Resistance Tester Models D30R Baker Instrument Company 4812 McMurry Avenue Fort Collins CO 80525 970 282 1200 970 282 1...

Page 2: ...D30R Users Manual 2 Do Not Touch Test Leads while test is in Progress 71 023 Rev C 5 8 2007...

Page 3: ...s furnished by Baker hereunder Baker s liability to purchaser relating to the product whether or in tort arising out of warranties representations instructions installations or defects from any cause...

Page 4: ...D30R Users Manual 4 Do Not Touch Test Leads while test is in Progress 71 023 Rev C 5 8 2007...

Page 5: ...F TEST PERFORMED ON THE TESTER FOR ALL INTERNAL MEMORY MODULES WHEN THE TESTER IS POWERED UP ANY FAILURES WILL BE NOTED ON THE CRT DISPLAY 22 CHAPTER 2 RECOMMENDED TEST SEQUENCE VOLTAGES AND TESTING P...

Page 6: ...HiPot Test 54 Sample Data showing Good Poor Insulation 55 Storing the Test Results in Memory 56 USING THE FOOT SWITCH 57 THE HIPOT OVER CURRENT TRIP INDICATOR 58 EFFECTS OF TEMPERATURE 58 Step Voltag...

Page 7: ...LER MOTOR TESTING 93 FIELD COILS 93 DC MOTOR GENERATORS 93 ARMATURES 94 Bar to Bar Surge Test 94 Span Testing 94 Determination of a Fault 96 Notes and Tips for Span Testing Armatures 97 TESTING LARGE...

Page 8: ...c Information 125 Step 2 Applications or Service Problem 125 APPLICATIONS WHAT TO DO FIRST 126 Common Application Problems 126 Service What to do First 129 Open Condition Display 129 HiPot Display Che...

Page 9: ...ile test is in Progress 71 023 Rev C 5 8 2007 PREFACE Inside Safety Precautions Power Source Precautions Ground the Product Terms and Symbols Warranty Notes Authorized Service Centers Training Seminar...

Page 10: ...D30R Users Manual 10 Do Not Touch Test Leads while test is in Progress 71 023 Rev C 5 8 2007...

Page 11: ...ground For capacitor start motors or systems with surge arrestors power factor correction capacitors be sure to disconnect all capacitors from the test circuit before testing The surge test is NOT app...

Page 12: ...s or practices that could result in personal injury or loss of life Notices that are bolded indicate operational cautionary information Notes are important information and hints on the operation of th...

Page 13: ...is out of warranty a purchase order will be required if the unit is returned for repair The Baker Instrument Company Service Department phone number is 800 752 8272 or 970 282 1200 Authorized Service...

Page 14: ...approved for use in an explosive environment Shipment All Baker testers are shipped using factory foam filled containers Should the tester be returned to Baker Instrument Company for any reason we re...

Page 15: ...D30R Users Manual 15 Do Not Touch Test Leads while test is in Progress 71 023 Rev C 5 8 2007 CHAPTER 2 INSTRUMENT OVERVIEW Inside Front Panel Controls Initial Tester Power Up Checkout...

Page 16: ...D30R Users Manual 16 Do Not Touch Test Leads while test is in Progress 71 023 Rev C 5 8 2007...

Page 17: ...D30R Users Manual 17 Do Not Touch Test Leads while test is in Progress 71 023 Rev C 5 8 2007 Digital Front Panel Diagram D30R 21...

Page 18: ...Top menus corresponding to the four function keys above the CRT are shown The main portion of the screen displays the waveforms being measured and or recalled with corresponding graticules for refere...

Page 19: ...he center of one major graticule line below center for surge testing 11 HORIZONTAL POSITION This control adjusts the side to side positioning of the surge wave pattern A trace beginning at the far lef...

Page 20: ...traces There are four settings corresponding to 1250 2500 5000 and 7500 volts per division Note this knob setting does not limit the output voltage of the tester 14 SECONDS DIV This control adjusts th...

Page 21: ...he Test button The footswitch will operate the tester in a manner identical to the Test button freeing the user s hands from having to operate the switch 17 SURGE HIPOT SELECTOR This function like Fun...

Page 22: ...he supply to the tester broken ground bad extension cord excessive ground to neutral voltage and assure that a low impedance ground is provided to the unit 1 Check that the On Off switch is in the Off...

Page 23: ...023 Rev C 5 8 2007 CHAPTER 2 RECOMMENDED TEST SEQUENCE VOLTAGES AND TESTING PRECAUTIONS Inside Recommended Test Sequence Coil Resistance Megohm Test Dielectric Absorption DA Polarization Index PI DC...

Page 24: ...D30R Users Manual 24 Do Not Touch Test Leads while test is in Progress 71 023 Rev C 5 8 2007...

Page 25: ...t are 1 hard shorts to the motor s core 2 hard shorts between coils either within the same phase or between phases 3 coils rewound with the improper gauge wire 4 loose or corroded connections Further...

Page 26: ...tor polarizes the electric dipoles distributed throughout the insulator align themselves with an applied electric field As the molecules polarize a polarization current also called an absorption curre...

Page 27: ...e that is substantially higher than the Megohm Test but once again based on operating voltage of the motor and the appropriate standards company guidelines Look for unusually high leakage currents or...

Page 28: ...SA DC HiPot IEEE 522 Surge Testing IEC 34 15 Baker recommended testing voltages Note Representations of motors are listed The formulas to calculate voltages are also listed so that test voltage on any...

Page 29: ...600 490 7400 4810 2300 1878 14200 9230 4160 3397 21640 14066 6900 5634 32600 21190 13800 11268 60200 39130 Baker Instrument Company V Line Per Unit In Service 2E 1000 480 392 1960 575 469 2150 600 49...

Page 30: ...sistance Measurements IEEE 429 1972 Evaluation of Sealed Insulation Systems for AC Electric Machinery Employing Form Wound Stator Coils IEEE 432 1992 Guide for Insulation Maintenance for Rotating Elec...

Page 31: ...2007 IEEE Customer Service 445 Hoes Lane P O Box Piscataway NJ 08855 1331 Phone 1 800 678 IEEE Fax 908 981 9667 Reprints of NEMA standards are available from National Electrical Manufacturers Associa...

Page 32: ...D30R Users Manual 32 Do Not Touch Test Leads while test is in Progress 71 023 Rev C 5 8 2007...

Page 33: ...Progress 71 023 Rev C 5 8 2007 CHAPTER 3 COIL RESISTANCE TESTING Inside Principles of Coil Resistance Testing Resistance Test Display Resistance Test Checklist Auto Ranging Resistance Measurements Sav...

Page 34: ...D30R Users Manual 34 Do Not Touch Test Leads while test is in Progress 71 023 Rev C 5 8 2007...

Page 35: ...d by the variation of copper conductivity with temperature Therefore the measured resistance value should be corrected to a common temperature usually 25o C before comparing two different measurements...

Page 36: ...ing or while line voltage is present at the motor leads 2 Connect the RESISTANCE TEST LEADS to leads 1 2 of the motor 3 Set the FUNCTION KNOB to the Res 1 2 position 4 Press the RUN TEST button to sta...

Page 37: ...injecting a low current 20 50mA into the coil and measuring the voltage drop across the coil If the Baker tester does not detect a voltage drop the current will be increased to approximately 0 2 amps...

Page 38: ...or If the resistance readings are significantly different from the motor nameplate data or a single lead is more than a few percent different from the others there is probably a short in one or more o...

Page 39: ...D30R Users Manual 39 Do Not Touch Test Leads while test is in Progress 71 023 Rev C 5 8 2007 CHAPTER 4 PRINCIPLES THEORY OF DC TESTING Inside Principles of DC Testing Principles of the Megohm Test...

Page 40: ...D30R Users Manual 40 Do Not Touch Test Leads while test is in Progress 71 023 Rev C 5 8 2007...

Page 41: ...ads from the Baker Tester are connected to the motor s three phase coils and the black test lead is connected to the motor s steel core frame The output voltage on the red test leads is raised to a pr...

Page 42: ...can also be found in IEEE 43 2000 NEMA MG 1 1993 and EASA technical manuals see chapter 2 When first applying the voltage to a motor or when increasing the voltage an unusually high current is observ...

Page 43: ...may not be meaningful In these situations the leakage current is often very low almost zero Such low leakage currents are difficult to accurately measure and as a result instrument errors become very...

Page 44: ...ation resistance value at the high applied voltage is not of interest with the HiPot test However the value of the leakage current is and more specifically whether or not the observed leakage current...

Page 45: ...Notes Test Precautions High Voltage DC Test Checklist DC Testing Full DC Testing of a Motor Performing Only a Megohm Test Performing Only DC Over Voltage Test DC HiPot Test Sample Data Showing Good Po...

Page 46: ...D30R Users Manual 46 Do Not Touch Test Leads while test is in Progress 71 023 Rev C 5 8 2007...

Page 47: ...Bar e Results from 30 sec 1min 3 min 10 min PI DA Mohm HiPot f Digital Output Resistance Measurement Current Measurement g Volts Div Setting Current Test Name Amps Div Setting General User Cautions an...

Page 48: ...the high voltage test leads to the motor at the same time Please do not hesitate to contact Baker Instrument Company for technical applications assistance at 970 282 1200 or toll free at 800 752 8272...

Page 49: ...Testing As explained earlier in Chapter 2 the Megohm test gives a quantitative measure of insulation resistance IR and is performed at a test voltage similar to operating voltage of the motor See IEE...

Page 50: ...st voltage up to desired Megohm test voltage and press the Time 0 button at the top of the screen after reaching required voltage 6 Adjust uA div knob if required to get machine in the most accurate c...

Page 51: ...he DA and PI tests The tester automatically acquires these values Fig 5 4 Test Active to 60 seconds 8 Continue to press and hold Test button In the screen s center the tester will acquire and display...

Page 52: ...st Active 10 Minutes 10 Continue to press and hold Test button and turn Function knob to 100uA div position 11 Ramp test voltage to desired DC over voltage test value HiPot test voltage 12 Change uA d...

Page 53: ...5 8 2007 Fig 5 7 DC Tests Complete 14 Save test results by pressing the Store button and selecting desired record Performing Only a Megohm Test 1 Connect appropriate high voltage leads to stator windi...

Page 54: ...oltage and current slider bars Data acquired at 30 seconds and at 1 minute will be displayed These two values are required for calculation of the DA and PI tests The tester automatically acquires thes...

Page 55: ...displayed in the middle of the screen between the voltage and current slider bars Data acquired at 30 seconds and at 1 minute will be displayed These two values are required for calculation of DA and...

Page 56: ...023 Rev C 5 8 2007 Fig 5 13 Sample Data Good Insulation with high voltage and low leakage current Fig 5 14 Sample Data Poor Insulation with low voltage and high leakage current Storing the Test Result...

Page 57: ...t keys and press SELECT The leakage current and applied voltage will be saved in the system s internal memory The main menu will reappear and the next motor may be tested after grounding the motor for...

Page 58: ...a very strong effect on megohm readings because insulation resistance varies inversely with temperature on an exponential basis IEEE 43 has a very good description of this effect Simply put the insula...

Page 59: ...Note It is important for the insulation to be free of moisture and dirt when this test is made Step Voltage Test Procedure Determine the number of steps to perform and the voltages and time increment...

Page 60: ...etting and then increase voltage to 8000 volts 13 Change uA div knob to best match the observed leakage current 14 At the end of the minute four minutes after test start note the resistance reading 15...

Page 61: ...1 023 Rev C 5 8 2007 CHAPTER 6 PRINCIPLES AND THEORY OF SURGE TESTING Inside Principles of Surge Testing Surge Testing Theory Determination of a Fault Motivation for Surge Testing Contact Bounce Light...

Page 62: ...D30R Users Manual 62 Do Not Touch Test Leads while test is in Progress 71 023 Rev C 5 8 2007...

Page 63: ...pe display to observe the surge waveform in progress The surge waveform is a representation of the voltage present across the test leads of the Baker tester during a test The indication of a turn to t...

Page 64: ...the coil and increased the frequency of the ringing pattern from the surge The voltage or amplitude of the surge wave pattern is also reduced due to the decrease in inductance of a coil with a fault b...

Page 65: ...ng intermittent shorting or arcing is probably occurring in the windings under the voltage stress Arcing is often accompanied by audible sounds It may be desirable to store the wave pattern by this ar...

Page 66: ...gh inductance of electric motors are what give these kick back voltage spikes their high energy Lightening Strikes Lightening strikes can often be present on the power system or grid Although a great...

Page 67: ...testers to make a very fast high voltage switch which is the heart of the surge impulse generator These IGBT devices are very fast switching transistors These are often found in variable speed motor d...

Page 68: ...D30R Users Manual 68 Do Not Touch Test Leads while test is in Progress 71 023 Rev C 5 8 2007...

Page 69: ...l 69 Do Not Touch Test Leads while test is in Progress 71 023 Rev C 5 8 2007 CHAPTER 7 PERFORMING SURGE TESTS Inside Surge Test Display Surge Test Setup 480V 3 Phase Motor Check List Single Coil Surge...

Page 70: ...D30R Users Manual 70 Do Not Touch Test Leads while test is in Progress 71 023 Rev C 5 8 2007...

Page 71: ...put General User Cautions and Notes Irregularities particularly vertical spikes may be seen the first cycle of the surge wave pattern Therese occur most frequently on large high voltage motors Do not...

Page 72: ...leads with the Test Lead Select Switch in the GROUND POSITION Never connect test leads from two or more testers on the same motor This includes connection of host and power pack unit leads to the same...

Page 73: ...hould look like the one shown below Note the Surge message at the bottom of the display indicates a normal surge test is active and not an AT101 type test or a power pack test Before beginning the tes...

Page 74: ...e the test selector knob to Lead 1 7 Press and hold the Test button The instrument is now generating surge pulses and the waveform is shown on the display The trace for the waveform may be moved up an...

Page 75: ...reached stop pressing the output control button and release the Test button 12 Store the results for Lead 1 in one of the 10 test records with the following procedure a Press the store Function Key ab...

Page 76: ...s nothing connected to the coil or winding being tested This is extremely important when testing installed coils or windings Test inaccuracies will result and can be hazardous to personnel performing...

Page 77: ...e is numerically displayed in the upper right portion of the Surge Test display 8 When the test for the lead is complete the TEST button may be released 9 If the surge wave pattern appears steady and...

Page 78: ...n by this arcing for reference The operator must attempt to release the TEST thus freezing the wave pattern for storage at the moment when the wave pattern appears the most affected by the fault reduc...

Page 79: ...standard coil is surge tested results are stored in memory and recalled to the screen QUICK STORE is useful for this situation All unknown coils would be tested and compared to the standard coil s wav...

Page 80: ...D30R Users Manual 80 Do Not Touch Test Leads while test is in Progress 71 023 Rev C 5 8 2007...

Page 81: ...Single Phase Motors and Two Terminal Divices Form Coils Three Phase Motors Two or More Single Coils Wound Rotor Motors Synchronous Motor Generator DC Motor Generators Field coils Chiller Motor Testing...

Page 82: ...D30R Users Manual 82 Do Not Touch Test Leads while test is in Progress 71 023 Rev C 5 8 2007...

Page 83: ...y high current in a hard turn to turn short The high current causes heating and deterioration of the surrounding insulation systems The single turn to turn short rapidly compounds until the damage cau...

Page 84: ...perating voltage plus 1000 volts Refer to Recommended Voltages for a thorough description of how to determine test voltages along with IEEE references that explain the reasons for these recommendation...

Page 85: ...ad 2 to the opposite side of the two terminal device Connect the ground lead and test lead 3 of the tester to the frame or metal core material Determination of a Fault If a fault exists in a single ph...

Page 86: ...pattern appears the most affected by the fault reduced amplitude and increased frequency or shift to the left Form Coils Form coils should be tested similarly to a two terminal device see Single Phas...

Page 87: ...ltage range Minimum Number of turns x 500 Volts Maximum Winding operating voltage x 1 5 The minimum voltage would be necessary to show a void in the turn insulation that would result in arcing The max...

Page 88: ...the Test this freezes the wave pattern at the moment when the wave pattern appears the most affected reduced amplitude and increased frequency or shift to the left Separation in two of three wave patt...

Page 89: ...dible sounds It may be desirable to store the wave pattern produced by this arcing for reference if the operator can release the Test this freezes the wave pattern at the moment when the wave pattern...

Page 90: ...n single coils may allow for differences in turns count which causes a slight steady separation The operator should investigate whether this condition is acceptable or not A slight imbalance separatio...

Page 91: ...the rotor test voltage level Rotor Voltage is not the same as the stator voltage If the wave patterns are stable and they superimpose on the display the windings are identical They have no faults and...

Page 92: ...ct the pole piece leads before testing 4 The Hot and Ground leads are then reversed and the test repeated on each coil If the wave patterns are stable and they superimpose on the display the windings...

Page 93: ...instructions usually recommend bleeding the vessel to atmospheric pressure before applying a test potential Surge test procedures for chiller motors follow those outlined for Three Phase Motors Field...

Page 94: ...m bar to bar Surge testing the Model AT101D Bar to Bar testing accessory is necessary Bar to Bar testing instructions accompany the AT101D and can be found in Supplement 3 Model AT101D Bar to Bar Arma...

Page 95: ...ad 1 to one of the brush assembly pigtails Connect the GRD test lead to the shaft or other good ground on the frame Note When testing armatures that have bars that are wired in series it is very impor...

Page 96: ...he test button or footswitch is not released each time the armature is turned the wave pattern will show regular shifts and flickers as the brushes move across one commutator bar to the next This wave...

Page 97: ...The greater the span surge test voltage is the more adequate the stress between bars is ideally 335 volts according to Pashen s Law Voltage stress is measured by the differential or drop between each...

Page 98: ...ut the 360 degrees of rotation for instance as the armature or fixture is rotated every third bar shifts left a little which is not a fault This is due to the equalizers and does not indicate faulty w...

Page 99: ...s counter clockwise limit to begin when testing high voltage AC machines Notes and Tips for Large AC Stator Motors Large AC motors with parallel windings may show little if any separation of wave patt...

Page 100: ...the rotor is considered as a secondary of a transformer When one phase being surges has a different number of rotor bars under its stator windings than the other phase being surged and compared there...

Page 101: ...turned carefully observe the wave pattern as the test voltage is slowly raised Watch for a sudden shift to the left instability or flickering which could indicate a winding fault Many winding insulati...

Page 102: ...the same When interpreting the wave patterns for good or bad windings stability and symmetry are the most important factors Notes and Tips for Testing from the Switchgear The test motor should be pro...

Page 103: ...ed voltage Conversely the smaller the motor size the longer the cable can be Transformers Transformers contain similar insulation systems as motors ground turn to turn and phase insulation However the...

Page 104: ...ad 1 to H2 and repeat the surge test This is commonly referred to as shooting in the other direction 5 Repeat this test process for each TAP position Three Phase Transformers It is beyond the scope of...

Page 105: ...e Phase transformer testing refer to Single Phase Motors and Two Terminal Devices Determination of a Fault The determination of a fault when surge testing a transformer winding follows that of the Two...

Page 106: ...D30R Users Manual 106 Do Not Touch Test Leads while test is in Progress 71 023 Rev C 5 8 2007...

Page 107: ...0R Users Manual 107 Do Not Touch Test Leads while test is in Progress 71 023 Rev C 5 8 2007 CHAPTER 9 DOCUMENTING TESTS Inside Test Data Storage Recalling Test Data Printing Reports Compatible Printer...

Page 108: ...D30R Users Manual 108 Do Not Touch Test Leads while test is in Progress 71 023 Rev C 5 8 2007...

Page 109: ...y locations for recording three phase surge testing results Each record can also record the results of HiPot tests The four FUNCTION KEYS above the display correspond to the four functions displayed b...

Page 110: ...peration will be returned to the main menu UP moves the cursor up the Record list DOWN moves the cursor down the Record list Press SELECT to choose the Record that the cursor is presently on In Surge...

Page 111: ...ogress 71 023 Rev C 5 8 2007 Store HiPot and PI Data If the tester is currently in the HiPot mode the next display will allow the user to choose whether to store HiPot or Polarization Index data into...

Page 112: ...Surge tests Three Lead locations are available for each Record Fig 9 3 Store Surge Data STORE Lead Submenu Options CANCEL UP DOWN SELECT Press CANCEL to return to the main menu without storing any da...

Page 113: ...ge data in all three leads the Meg ohm HiPot and the PI data stored in the Record the cursor is presently on Resistance all three surge wave patterns HiPot and PI results will be displayed simultaneou...

Page 114: ...test is in Progress 71 023 Rev C 5 8 2007 Fig 9 4 Recall Resistance Data Recall HiPot Data If the tester is currently in HiPot mode the tester will display the recorded HiPot and Polarization Index da...

Page 115: ...ecall Lead Submenu Options CANCEL UP DOWN SELECT Press CANCEL to return to the main menu without recalling any data Press ERASE to delete the record UP moves the cursor up the Lead list DOW moves the...

Page 116: ...ill print the record currently on the display Clear Clear will remove or blank out the wave pattern and message area of the display It has no affect on memory locations or the data stored there Erase...

Page 117: ...nter language command set A non inclusive list of compatible printers follows 500C 550C 600C 610C 612C 695C 697C 832C 895C 970C The 895C and 970C are unique in that they have universal input power sup...

Page 118: ...D30R Users Manual 118 Do Not Touch Test Leads while test is in Progress 71 023 Rev C 5 8 2007...

Page 119: ...D30R Users Manual 119 Do Not Touch Test Leads while test is in Progress 71 023 Rev C 5 8 2007 APPENDIX A TYPICAL WINDING FAULTS Inside Typical Winding Faults...

Page 120: ...D30R Users Manual 120 Do Not Touch Test Leads while test is in Progress 71 023 Rev C 5 8 2007...

Page 121: ...wound induction stators They provide a reference for associating a characteristic wave pattern with a fault type Note Variation from these wave patterns is to be expected Do not consider these wave pa...

Page 122: ...3 Rev C 5 8 2007 Note If all three wave pattern wave comparisons surge testing show considerable separation when testing three phase windings the motor has a Phase to Phase short Because two phases ar...

Page 123: ...IX B TROUBLESHOOTING Inside Self Help Diagnosis Applications What to do First Common Application Problems Service What to do first HiPot Display Checks HiPot Over Current Trip Check Open Ground Check...

Page 124: ...D30R Users Manual 124 Do Not Touch Test Leads while test is in Progress 71 023 Rev C 5 8 2007...

Page 125: ...d provide a appropriate response Either department may be reached toll free at 800 752 8272 or 970 282 1200 for assistance Step 1 Basic Information Take down all basic instrument information including...

Page 126: ...motor generator In short any information that can be provided from the motor nameplate is helpful A great tool is a printout or sketch of the waveforms displayed on the tester If a FAX is available se...

Page 127: ...surge test this coil or group of coils in series will remain unless they can be broken down to smaller units of lower impedance A broken test lead may be the cause Under heavy use test leads should b...

Page 128: ...een 9 Doing high voltage testing with a printer attached to the printer port The surge pattern seen may show distortion from the interference Additionally it is possible to damage the printer port wit...

Page 129: ...cause history has shown that several simple solutions which do not require return of an unit may arise please perform the following checks Open Condition Display Note the figures below Is the surge wa...

Page 130: ...level to determine if the analyzer is working properly If the display still shows NO voltage bar call Baker Instrument Company Service Department Use a meter to confirm the insulation resistance of th...

Page 131: ...case of numbers 1 through 3 above use an outlet tester to assure proper wiring connections to the outlet For number 4 replace the two wire extension cord with a two wire with ground extension cord Fo...

Page 132: ...d the item being tested Never attempt a two party operation Always know what test is being performed and WHEN Never attempt a Burn Out of a detected fault with the tester Warranty Return Please review...

Page 133: ...________________________________________________ Phone Number ___________________ Fax __________________________ From the Name Plate on the back of the Tester Baker Product Number ____________________...

Page 134: ...D30R Users Manual 134 Do Not Touch Test Leads while test is in Progress 71 023 Rev C 5 8 2007...

Page 135: ...CHNICAL SPECIFICATIONS AND CALIBRATION PROCEDURE Inside D12R D6R Technical Specifications Accuracy of Measurements Coil Resistance Test Testing Accuracy HiPot Measurements Voltage Measurement Accuracy...

Page 136: ...D30R Users Manual 136 Do Not Touch Test Leads while test is in Progress 71 023 Rev C 5 8 2007...

Page 137: ...ision 1250 2500 5000 7500 Repetition Rate 5 Hz Voltage Measurement Accuracy 12 DC Tests Output Voltage 0 30000 Volts Max Output Current 1000 amps Current Resolution 1 10 100 amps division Over Current...

Page 138: ...20000V 7500V Div 5 from 7500 30000V Testing Accuracy HiPot Measurements Range Approximate Maximum Measurable Current Resolution Full Scale Accuracy 100 A Div Range 900 A 5 or 45 A 5 from 90 A 900 A 5...

Page 139: ...D30R Users Manual 139 Do Not Touch Test Leads while test is in Progress 71 023 Rev C 5 8 2007 INDEX...

Page 140: ...D30R Users Manual 140 Do Not Touch Test Leads while test is in Progress 71 023 Rev C 5 8 2007...

Page 141: ...NECTOR 23 FUNCTION KEYS 20 111 FUNCTION SELECTOR 21 G Ground the Product 14 groundwall 28 H High Voltage DC Tests 43 47 51 HiPot 25 27 29 30 38 43 45 46 50 59 60 61 75 78 99 104 116 HIPOT Test 29 HIPO...

Page 142: ...5 27 29 30 49 63 65 66 67 71 73 74 75 76 78 79 80 83 85 88 90 91 93 94 95 96 97 102 103 104 105 106 111 112 114 115 117 118 133 143 SURGE HIPOT SELECTOR 23 T Temperature 60 TEST 20 TEST LEADS 23 Three...

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