Tektronix A6302 Manual
Contents
1. 2 To remove the cable assembly unsolder the two connections on the circuit board then lift the strain relief and circuit board from the body half Refer to Figure 15 Strain relief Circuit board Ground connection Current transformer Body half Ground connection Figure 15 Removing the current transformer and cable assembly of the A6302 probe 3 Before reassembling the probe be sure that the gap between the stationary and moveable core pieces is clean If necessary use isopropyl alcohol or a similar cleaning agent to clean the pieces Also clean the contacts of the slide switch if necessary Should the plastic slide assembly require lubrication sparingly apply silicone based grease to the parts 4 Probe reassembly is the reverse of steps 1 through 2 of this procedure and steps 1 through 5 on pages 31 through 33 wires in the lower body half to avoid contact with the slide assembly Exercise care when fitting the slide back into the probe body aligning the switch contacts can require patience CAUTION To avoid damaging the wires inside the probe carefully dress the 34 A6302 and A6302XL Instructions Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Maintenance Replacing the Current Replace the current transformer or cable assembly the A6302XL probe as Transformer or Cable follows Assembly of the A6302XL Probe 1 To replace the curr2. AM503A Coupling DC BW limit On 20 MHz bandwidth limit Current division 10 mA division Oscilloscope Vertical gain 10 mV division Time base Auto triggered 1 ms division Input coupling Ground 1 Move the oscilloscope trace to the center horizontal graticule line using the vertical position control 2 Set the oscilloscope input coupling to DC 3 Do not clamp the current probe around a conductor but make sure the jaws are locked shut 4 Press the AM503A PROBE DEGAUSS AUTOBALANCE button Wait for the degauss autobalance routine to complete before proceeding The routine is complete when the indicator light turns off NOTE If the AM503A is not properly terminated into 50 Q the AM503A front panel displays error code 54 after the degauss autobalance routine completes Verify that the oscilloscope input is 50 Q and set to DC coupling If necessary use a 50 Q termination at the oscilloscope input 5 If no error codes are displayed after the degauss autobalance routine completes no offset adjustment is necessary If any of the error codes in Table 16 are displayed continue with the rest of this procedure A6302 and A6302XL Instructions Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com DC Offset Adjustment Table 16 AM503A error codes requiring DC offset adjustment Error code Meaning 46 Unable to complete positive coarse offset adjustment 47 Unable t
3. Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com O A O Performance Verification The Performance Verification tests allow you to demonstrate that the A6302 and A6302XL current probes meet specified levels of performance Tolerances that are specified in these procedures apply to the AM503 series current probe amplifiers and the A6302 and A6302XL current probes and do not include test equipment error The recommended calibration interval is one year Test Procedure Conditions These procedures are valid only under the following conditions m The system has been calibrated at an ambient temperature of 23 5 C m The system is operating in an environment whose limits are described in Table 4 on page 11 m The system including probe has had a warm up period of at least 20 minutes m The probe degauss autobalance routine has been performed after the 20 minute warm up period Before starting these procedures read completely through each procedure to ensure proper completion Equipment Preparation Before performing the verification tests install all plug in units into the power module and turn the power on Turn any remaining equipment on and allow the entire system including the attached probe to warm up for a minimum of 20 minutes 12 A6302 and A6302XL Instructions Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg
4. A rtisan Artisan Technology Group is your source for quality TecmoogyGroup new and certified used pre owned equipment FAST SHIPPING AND SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT DELIVERY Experienced engineers and technicians on staff Sell your excess underutilized and idle used equipment TENS OF THOUSANDS OF at our full service in house repair center We also offer credit for buy backs and trade ins IN STOCK ITEMS www artisantg com WeBuyEquipment EQUIPMENT DEMOS HUNDREDS OF InstraV ea REMOTE INSPECTION LOOKING FOR MORE INFORMATION MANUFACTURERS Remotely inspect equipment before purchasing with Visit us on the web at www artisantg com 7 for more our interactive website at www instraview com information on price quotations drivers technical LEASING MONTHLY specifications manuals and documentation RENTALS ITAR CERTIFIED yop aed Contact us 888 88 SOURCE sales artisantg com www artisantg com Instructions Tektronix A6302 amp A6302XL 20 Ampere AC DC Current Probes 070 3905 05 Warning The servicing instructions are for use by qualified personnel only To avoid personal injury do not perform any servicing unless you are qualified to do so Refer to all safety summaries prior to performing service www tektronix com Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Copyright Tektronix Inc All rights reserved Tektronix
5. 0 5 Typical impedance A 7 7 Impedance deviation T 2t pit 4 0 2 p i 4 77 e 47r 4 Ss o 01 7 zf 2 4 Z E A o ane HEURE EA E 05 7 7 S L S 7 4 2 7 V 02 01 0 1 0 2 0 5 1 2 5 10 20 50 Frequency MHz Figure 6 A6302 and A6302XL insertion impedance curve Table 3 Mechanical characteristics Probe dimensions Cable length Weight 10 Length 20 cm 7 77 inches Width 1 6 cm 0 625 inches Height 3 2 cm 1 25 inches A6302 2 m 6 6 feet A6302XL 8 m 26 25 feet A6302 255 g 0 56 Ibs AG302XL 726 g 1 6 Ibs Maximum Wire Size 3 8 mm 0 15 in 11 0 470 in ENS 18 9 mm 0 745 in uU y l Figure 7 A6302 Probe jaw dimensions nominal A6302 and A6302XL Instructions Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Specifications Table 4 Environmental characteristics Operating temperature 0 C to 50 C Storage temperature 40 C to 75 C Humidity Nonoperating 30 C to 60 C at 90 to 95 RH Operating 30 C to 50 C at 90 to 95 RH Transportation Qualifies under National Safe Transit Procedure 1A category Il 36 in drop Mechanical shock 500 g Half sine Three shocks on three axes of the probe for 1 ms duration Total of 9 shocks Vibration 0 025 in pk pk displacement 10 50 Hz in 1min cycles Hold 9 min at any major resonance or if n
6. Maximum bare wire working voltage 300 Vnus CAT see Table 5 Maximum continuous current AM503 AM503A AM503B and AM5030 20 A DC peak AC 11A16 10 5 A DC peak AC Maximum pulsed current 50A Amp second product 1 x 104A s 100 A us Insertion impedance 0 1 Q at 1 MHz 0 5 2 at 50 MHz 8 A6302 and A6302XL Instructions Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Specifications Maximum peak pulse 50 A Amp second product limit 100 A us Maximum continuous input lt 20 A Amperes peak 1 2 3 4 5 Allowable pulse width microseconds Figure 4 A6302 and A6302XL specified operating area 200 100 50 10 Maximum input current amperes peak 1 kHz 10 kHz 100 kHz 1 MHz 10 MHz 50 MHz Frequency Figure 5 A6302 and A6302XL frequency derating curve for maximum input current 462302 and A6302XL Instructions 9 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Specifications 1 0
7. please use the original packaging if possible If the original packaging is unfit for use or not available use the following packaging guidelines 1 Use a corrugated cardboard shipping carton having inside dimensions at least one inch greater than the probe dimensions The box should have a carton test strength of at least 200 pounds 2 Put the probe into a plastic bag or wrap to protect it from dampness 3 Place the probe into the box and stabilize it with light packing material 4 Seal the carton with shipping tape 36 A6302 and A6302XL Instructions Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com a ae Replaceable Parts This section contains a list of the replaceable components for the A6302 and A6302XL current probes Use this list to identify and order replacement parts Parts Ordering Information Replacement parts are available through your local Tektronix field office or representative Changes to Tektronix products are sometimes made to accommodate improved components as they become available and to give you the benefit of the latest improvements Therefore when ordering parts it is important to include the following information in your order m Part number m Instrument type or model number m Instrument serial number Instrument modification number if applicable If you order a part that has been replaced with a different or improved part your local T
8. vii Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Preface Contacting Tektronix viii Phone Address Web site Sales support Service support Technical support This phone number is toll free in North America After office hours please leave a 1 800 833 9200 Tektronix Inc Department or name if known 14200 SW Karl Braun Drive P O Box 500 Beaverton OR 97077 USA www tektronix com 1 800 833 9200 select option 1 1 800 833 9200 select option 2 Email techsupport tektronix com 1 800 833 9200 select option 3 6 00 a m 5 00 p m Pacific time voice mail message Outside North America contact a Tektronix sales office or distributor see the Tektronix web site for a list of offices A6302 and A6302XL Instructions Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com aa Ae F Getting Started This section explains how to install and operate the A6302 and A6302XL current probes Product Description The A6302 is a DC to 50 MHz current probe designed for use with the AM 503 family of current probe amplifiers and with the 11A16 plug in With the AM 503 family the A6302 can measure currents to 20 A DC peak AC and up to 50 A peak current while not exceeding the amp second rating With the 11A16 plug in the A6302 can measure currents to 10 5 A The A6302XL is an extende
9. 32 X 0 5 TYPE BT PANHEAD STEEL CADIUM PLATED POZIDRIVE MARKER IDENT PROBE IDENT LABEL A6302 BODY HALF LOWER BODY HALF W CONTACTS TRANSFORMER CUR UPPER amp LOWER TRANSFORMER CUR UPPER amp LOWER CONTACT ELEC UPPER SHELF CU BE CONT ASSY ELEC PROBE SLIDE ASSY BALL BEARING 0 094 SST Standard Accessories ACCESSORY PKG LEAD ELECTRICAL PROBE GROUND SDI 23 AWG 6 0 L MANUAL TECH INSTRUCTIONS A6302 A6302XL DP Mfr Code 80009 91260 80009 TK2565 80009 80009 80009 3M099 80009 80009 80009 80009 TK1947 80009 05469 80009 80009 Mfr Part Number 204 0288 03 ORDER BY DESCR 214 0849 00 352 0106 00 175 1836 05 175 1836 06 175 1836 07 ORDER BY DESCR 334 9048 00 204 0714 06 120 0464 02 120 0464 04 214 0854 00 351 0121 01 ORDER BY DESCR 020 0167 01 070 3905 XX Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 39 Replaceable Parts a A6302 BO64999 amp below Figure 17 A6302 exploded view 40 A6302 and A6302XL Instructions Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Replaceable Parts A6302XL Replaceable Parts List dide Tektronix Part SerialNo Serial No Mfr Number Number Effective Discontd Qty Name amp Description Code Mfr Part Number 14 0 1 PROBE CURRENT A6302XL 1 204 0288 03 1 BODY HALF PROBE UPPER 80009 204 02
10. Equipment settings for rise time Cont Oscilloscope Trigger position 50 Acquisition mode Average Number of waveforms to average 32 Measurement type Rise time Calibration generator Period 1 us Output Fast rise Amplitude Maximum Current probe amplifier Coupling DC BW Limit Off full bandwidth Current division 5 mA division Procedure 1 Do not clamp the current probe around any conductor but make sure the jaws are locked shut 2 Press the amplifier PROBE DEGAUSS AUTOBALANCE button Wait for the degauss autobalance routine to complete before proceeding The routine is complete when the indicator light turns off 3 Clamp the current probe around the calibration fixture Verify that the arrow shaped indicator on the probe points away from the pulse source 4 Using the measurement capability of the oscilloscope measure the rise time of the displayed pulse from 10 to 90 amplitude 5 Calculate the rise time of the probe t probe using the formula below t probe t measured t system The measured rise time t measured is the value calculated in step 4 The system rise time t system is the rise time of the displayed signal when output of the pulse generator is connected directly to the oscilloscope input The current probe and amplifier are excluded 462302 and A6302XL Instructions 19 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisa
11. com Performance Verification NOTE Before performing any verification procedure properly degauss the probe Remove the probe from any current carrying conductor lock the probe and press the amplifier PROBE DEGAUSS AUTOBALANCE button The degauss autobalance routine is complete when the indicator light turns off The AM503B and AM5030 front panel displays an error code 266 during the degauss autobalance routine if the amplifier is not properly terminated into 50 Q Verify that the oscilloscope input is 50 Q and set to DC coupling Use a 50 Q feedthrough termination attached at the oscilloscope input if necessary Required Test Equipment To perform the acceptance tests in this section you will need the test equipment listed in Table 6 The test equipment must meet or exceed the specifications listed The test procedures may need to be modified if the recommended equipment is not used Table 6 Required test equipment Recommended Qty Description Equipment 1 Oscilloscope 500 MHz bandwidth TDS3054 1 Current probe AM503 series Select the amplifier amplifier as noted on page 14 1 Leveled sine wave 3 MHz to 100 MHz 4 flatness Wavetek 9100 with generator Option 250 or SG503 equivalent 1 Calibration generator 1 MHz square wave rise time 1 ns Wavetek 9100 with 1 Vp p into 50 2 Option 250 or PG506A equivalent 1 Digital multimeter 0 25 31 digit resolution at 50 mV DM2510 G or Fluke 850x 884x 1 Curr
12. probes cece cece eee e cece cere ener e rer eeeees Figure 11 A6302 and A6302XL current probes DC offset adjustment location ccc cece cece rece c reece ee nn Figure 12 Removing the strain relief boot Figure 13 Removing the top half of the probe 4 Figure 14 Removing the probe slide esee Figure 15 Removing the current transformer and cable assembly of the A6302 probe 20 ccc ccc cece ce cece hh Figure 16 Removing the current transformer of the A6302XL probe iuis vil ie e adaeet tet cuteukeme eu saca Figure 17 A6302 exploded view eee Figure 18 A6302XL exploded view eeeeeeee Table 1 Warranted A6302 and A6302XL specifications Table 2 Electrical characteristics 00 cece cece eee eeee Table 3 Mechanical characteristics 0 ce cece eee eens Table 4 Environmental characteristics Le Table 5 Certifications and compliances eee Sen 0 dv 10 10 16 19 22 27 34 35 35 36 37 42 44 A6302 and A6302XL Instructions Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Table of Contents Table 6 Required test equipment 0c cece ween evens Table 7 Equipment settings for bandwidth Table 8 Equipment settings for rise time lees Table
13. products are covered by U S and foreign patents issued and pending Information in this publication supercedes that in all previously published material Specifications and price change privileges reserved Tektronix Inc P O Box 500 Beaverton OR 97077 TEKTRONIX and TEK are registered trademarks of Tektronix Inc Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com WARRANTY Tektronix warrants that the products that it manufactures and sells will be free from defects in materials and workmanship for a period of one 1 year from the date of shipment If a product proves defective during this warranty period Tektronix at its option either will repair the defective product without charge for parts and labor or will provide a replacement in exchange for the defective product In order to obtain service under this warranty Customer must notify Tektronix of the defect before the expiration of the warranty period and make suitable arrangements for the performance of service Customer shall be responsible for packaging and shipping the defective product to the service center designated by Tektronix with shipping charges prepaid Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the Tektronix service center is located Customer shall be responsible for paying all shipping charges duties taxes and any other charges for
14. the maximum allowable peak current would be 100 A us divided by 3 us or 33 3 A 462302 and A6302XL Instructions 7 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com EN eee Specifications This section lists the specifications characteristics certifications and com pliances for the A6302 and A6302XL current probes Warranted specifications Table 1 are guaranteed performance specifications unless specifically designated as typical or nominal Table 1 Warranted A6302 and A6302XL specifications Installed current probe Parameter A6302XL AM503B AM5030 only Bandwidth DC to 17 MHz 3 dB Rise time 10 to 90 20 ns Aberrations typical 1096 pk pk DC gain accuracy 39 System noise typical 250 uAgyus 1 You can optimize the pulse response by adjusting R364 HF COMP located inside the AM503 amplifier Refer to the AM 503 Instruction Manual 070 2052 XX for instructions on how to access this adjustment On the AM503B and AM5030 the DC gain accuracy is correctable to lt 0 2 when using the AM503B and AM5030 probe trim procedure described on page 4 3 The bandwidth of the measurement instrument must be lt limited to 200 MHz Mechanical electrical and environmental characteristics for the A6302 and A6302XL current probes are listed in Tables 2 through 4 and Figures 4 through 7 Table 2 Electrical characteristics Frequency derating 2 5 A at 10 MHz
15. these ratings can saturate the probe core and cause measurement errors The section titled Specifications on page 8 lists the maximum current ratings of the probe m Maximum Continuous Current refers to the maximum current that can be continuously measured at DC or at a specified AC frequency The maximum continuous current value is derated with frequency as the frequency increases the maximum continuous current rating decreases m Maximum Pulsed Current refers to the maximum peak value of pulsed current the probe can accurately measure regardless of how short within bandwidth limitations the pulse duration m Ampere Second Product defines the maximum width of pulsed current that you can measure when the pulse amplitude is between the maximum continuous and maximum pulsed current specifications The maximum continuous specification itself varies by frequency NOTE Always degauss the probe after measuring a current that exceeds the maximum continuous current maximum pulsed current or Ampere second product rating of the probe Exceeding these ratings can magnetize the probe and cause measurement errors To determine if your measurement exceeds the Ampere second product perform either Procedure A or Procedure B 462302 and A6302XL Instructions 5 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Getting Started Procedure A To determine the maximum allowable pulse widt
16. 6 1 for further item name identification 7 Mfr Code This indicates the code of the actual manufacturer of the part 8 Mfr Part Number This indicates the actual manufacturer s or vendor s part number Abbreviations Abbreviations conform to American National Standard ANSI Y1 1 1972 Mfr Code to Manufacturer The table titled Manufacturers Cross Index shows codes names and addresses Cross Index of manufacturers or vendors of components listed in the parts list 38 A6302 and A6302XL Instructions Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Replaceable Parts A6302 Replaceable parts list Fig amp Index Number 17 1 28 3 4 5 Tektronix Part Number 204 0288 03 214 0835 00 214 0849 00 352 0106 00 175 1836 05 175 1836 06 175 1836 07 213 0087 00 334 9048 00 204 0714 06 120 0464 02 120 0464 04 214 0854 00 351 0121 01 214 0997 00 020 0167 01 070 3905 XX Serial No Effective B010100 B065000 B072000 B010100 B065000 Serial No Discont d B064999 B071999 B064999 A6302 and A6302XL Instructions Qty Name amp Description 1 1 PROBE CURRENT A6302 BODY HALF PROBE UPPER BODY HALF BLACK POLY SPRING HLCPS 0 127 OD X 2 65 L SST RTNR RETURN SPR BRS CD PL HOLDER SPR RTNR DELRIN CABLE ASSY RF W CIRCUIT BOARD A6302 CABLE ASSY RF W CIRCUIT BOARD A6302 CABLE ASSY CABLE W CIRCUIT BOARD A6302 SCREW TPG TC 2
17. 88 03 2 214 0835 00 1 SPRING HLCPS 0 127 OD X 2 65 L SST 91260 ORDER BY DESC 8 214 0849 00 1 RTNR RETURN SPR BRS CD PL 80009 214 0849 00 4 352 0106 00 1 HOLDER SPR RTNR DELRIN TK2565 352 0106 00 5 174 3221 00 B010100 B010999 1 CABLE ASSEMBLY WITH CIRCUIT BOARD A6302XL 80009 174 3221 00 174 3221 01 B011000 1 CABLE ASSEMBLY WITH CIRCUIT BOARD A6302XL 80009 174 3221 01 6 213 0087 00 2 SCREW TPG TC 2 32 X 0 5 TYPE BT PANHEAD 3M099 ORDER BY DESC STEEL CADIUM PLATED POZIDRIVE 7 334 9049 00 1 LABEL LEXAN IDENTIFICATION A6302XL 80009 334 9049 00 8 204 0714 03 B010100 B010999 1 BODY HALF PROBE BOTTOM W CONTACTS 80009 204 0714 03 204 0714 06 B011000 1 BODY HALF BODY HALF PROBE BOTTOM W CONTACTS 80009 204 0714 06 9 120 0464 02 B010100 B010999 1 TRANSFORMER CUR UPPER amp LOWER 80009 120 0464 02 120 0464 04 B011000 1 TRANSFORMER CUR UPPER amp LOWER 80009 120 0464 04 10 214 0854 00 1 CONTACT ELEC UPPER SHELF CU BE 80009 214 0854 00 11 351 0121 01 1 CONT ASSY ELEC PROBE SLIDE ASSY TK2565 351 0121 01 12 214 0997 00 1 BALL BEARING 0 094 SST 05469 ORDER BY DESC Standard Accessories 13 020 0167 01 1 ACCESSORY PKG LEAD ELECTRICAL PROBE 80009 020 0167 01 GROUND SDI 23 AWG 6 0 L 070 3905 04 1 MANUAL TECH INSTRUCTIONS A6302 A6302XL DP 80009 070 3905 04 A6302 and A6302XL Instructions 41 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Replaceable Parts A6302XL BO109
18. 9 Equipment settings for DC gain accuracy Table 10 DC gain accuracy test for A6302 and A6302XL current probes 20 cece cece cece cece ee hh hn Table 11 DC gain accuracy test work sheet for A6302 and A6302XL current probes ccc cece cece enn Table 12 Required test equipment eere Table 13 AM503B AMS030 settings for DC offset adjustment Table 14 AM503B AMS030 error codes requiring DC offset adjustment eeeeeeeeeeeeee enhn Table 15 AM503A settings for DC offset adjustment Table 16 AM503A error codes requiring DC offset adjustment Table 17 AM503 settings for DC offset adjustment 462302 and A6302XL Instructions Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com 14 16 19 22 23 25 27 28 29 30 31 32 Table of Contents iv A6302 and A6302XL Instructions Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com _ SSS Ss General Safety Summary Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it Only qualified personnel should perform service procedures Injury Precautions Avoid Electric Overload To avoid electric shock or fire hazard do not apply a voltage to a terminal that is outside the range specified for that terminal Avoid Electric
19. 99 amp below Figure 18 A6302XL exploded view 42 A6302 and A6302XL Instructions Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Replaceable Parts Manufacturers cross index Mfr Code 05469 3M099 80009 91260 TK1947 TK2565 Manufacturer BEARINGS INC PORTLAND SCREW COMPANY TEKTRONIX INC CONNOR FORMED METAL PRODUCTS NORTHWEST ETCH TECHNOLOGY VISION PLASTICS INC A6302 and A6302XL Instructions Address 3634 EUCLID PO BOX 6925 6520 N BASIN AVE 14150 SW KARL BRAUN DR PO BOX 500 1729 JUNCTION AVENUE 2601 S HOOD ST PO BOX 110610 26000 SW PARKWAY CENTER DRIVE City State Zip Code CLEVELAND OH 44101 PORTLAND OR 97217 BEAVERTON OR 97077 0001 SAN JOSE CA 95112 TACOMA WA 98411 0610 WILSONVILLE OR 97070 43 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Replaceable Parts 44 A6302 and A6302XL Instructions Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com A rtisan Artisan Technology Group is your source for quality TecmoogyGroup new and certified used pre owned equipment FAST SHIPPING AND SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT DELIVERY Experienced engineers and technicians on staff Sell your excess underutilized and idle used equipment TENS OF THOUSANDS OF at our full service in h
20. Move the oscilloscope trace to the center horizontal graticule line using the vertical position control 2 Set the oscilloscope input coupling to DC 3 Move the oscilloscope trace to the center horizontal graticule line using the AM503 DC LEVEL control 4 Do not clamp the current probe around a conductor but make sure the jaws are locked shut Press and release the DEGAUSS button Set the AM503 input coupling to DC Set the AM503 BALANCE adjustment to mid position SoS mw od Adjust the A6302 DC Offset control so that the oscilloscope trace is on the center graticule line zero offset 2 divisions 9 Press and release the DEGAUSS button 10 If necessary readjust the A6302 DC Offset control so that the oscilloscope trace is on the center graticule line zero offset 2 divisions A6302 and A6302XL Instructions Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Oo Ae Maintenance This section explains how to clean the A6302 and A6302XL current probes and if necessary disassemble a probe for maintenance or repair Also included are instructions for preparing a probe for shipment WARNING Probe disassembly should only be performed by qualified service personnel Cleaning To clean the probe body use a soft cloth dampened in a solution of mild detergent and water To clean the core open the jaw and clean the exposed core surfaces with a cotton swap da
21. Shock To avoid injury or loss of life do not connect or disconnect probes or test leads while they are connected to a voltage source Ground the Product This product is indirectly grounded through the grounding conductor of the mainframe power cord To avoid electric shock the grounding conductor must be connected to earth ground Before making connections to the input or output terminals of the product ensure that the product is properly grounded Do Not Operate in Wet Damp Conditions To avoid electric shock do not operate this product in wet or damp conditions Do Not Operate in an Explosive Atmosphere To avoid injury or fire hazard do not operate this product in an explosive atmosphere Product Damage Do Not Operate With Suspected Failures If you suspect there is damage to this Precautions product have it inspected by qualified service personnel Do Not Immerse in Liquids Clean the probe using only a damp cloth Refer to cleaning instructions A6302 and A6302XL Instructions V Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com General Safety Summary Symbols and Terms A A Certifications and Compliances vi Terms in this Manual These terms may appear in this manual WARNING Warning statements identify conditions or practices that could result in injury or loss of life CAUTION Caution statements identify conditions or practices that could res
22. URCE www artisantg com Table of Contents Service Assurance 2 2 cee ccc eee ce eee he he hn 4 General Safety Summary 0 cece cece eens iii Prefas PE v Contacting Tektronix essere RE hex en redd ERRA ee vi Get ng Started ecco e err te ROLE ER YE CREER E E 1 Product Description 0 eee eee Ie 1 Probe Installation 4 2 2 eer glint pP RERO DERE R Re RUR ad eR guavas RUE 2 Operating the Current Probe Slide 00 0 eee eee eee eee 3 Degaussing and Autobalancing the Current Probe 04 4 Probe Trim Adjust for Gain Accuracy AM503B and AM5030 Only 4 Maximum Current Limits 0 0 cece eee hn 5 Specifications 5x ue ay EEEE E EEEE E 8 Performance Verification eee 13 Test Procedure Conditions 0 cece ee eene 13 Equipment Preparation 0 00 eee eee eee 13 Required Test Equipment 00 eee eee eee eee eee 14 Bandwidth s ied duced a ae d repete haee Re ae hdd ad ae 16 Rise MIND NEP m 18 DC Gain AcCUraCy iie pe RR ERR RA RR Eque ER RE ER ede cs 21 Probe Trim Adjust for Gain Accuracy AM503B and AM5030 Only 24 DC Offset Adjustment 0 cece cece cece cee cece teen eee 27 Required Test Equipment 0 cece cee tence eee 27 Equipment Connections 0 0 eee n 28 AMS03B or AM5030 0 c cece ce hn hr 28 P P 30 AMOO seb bete PERI pone ep eret HR p ERES 32 Maint nanc 264996 3 9o
23. Y CRX RR tda naa Reece TES 33 Cleanmg i2 2 229 take Steed E eS Tas de uda dau deua 33 Disassembly Instructions lleeeeeeeeeeee eh 33 Obtaining Replacement Parts 0 0 cece cece ee eee 38 Preparation for Shipment 0 eee eee eee 38 Replaceable Parts 0 ccc cece ccc cece cere cence ences 39 Parts Ordering Information 0 0 cece ce eee eee eens 39 Using the Replaceable Mechanical Parts List 0 0 000 39 A6302 and A6302XL Instructions i Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Table of Contents List of Figures List of Tables Figure 1 Connecting a current probe to the current probe amplifier Figure 2 Operating the probe slide 0 cece cee cenee Figure 3 Applying the amp second product rule Figure 4 A6302 and A6302XL specified operating area Figure 5 A6302 and A6302XL frequency derating curve for maximum input current cece ewe eee ehh hn Figure 6 A6302 and A6302XL insertion impedance curve Figure 7 A6302 Probe jaw dimensions nominal Figure 8 Bandwidth test setup for the A6302 and A6302XL Current probes ccc ccc c cence cece cere ener hn Figure 9 Rise time test setup for A6302 and A6302XL current probes eis tad sia v RV RAM EU REV ristes essa uskoi Figure 10 DC gain accuracy test setup for A6302 and A6302XL current
24. adjustment is necessary If any of the error codes listed in Table 14 are displayed continue with the procedure Table 14 AM503B AM5030 error codes requiring DC offset adjustment Error code Meaning 580 Unable to complete negative offset adjustment 581 Unable to complete positive offset adjustment 6 Press and hold the 20 MHz BW LIMIT button and while holding it press the PROBE DEGAUSS AUTOBALANCE button This sets the front panel display to 00 and puts the AM503B and AM5030 into an internal test mode 7 Press the CURRENT DIVISION button until the front panel display reads 52 8 Press and release the 20 MHz BW LIMIT button The amplifier degausses itself Wait until the DEGAUSS light goes out 9 Adjust the A6302 and A6302XL DC Offset control so that the oscilloscope trace is on the center graticule line zero offset 2 divisions 10 Press and release the 20 MHz BW LIMIT button then press and release the COUPLING button This exits the AM503B and AM5030 test mode 462302 and A6302XL Instructions 27 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com DC Offset Adjustment AM503A Equipment Settings Procedure 28 Use the following procedure to adjust the DC offset of the A6302 current probe when using an AM503A current probe amplifier Make or verify the equipment settings in Table 15 Table 15 AM 503A settings for DC offset adjustment
25. cedure to adjust the DC offset of the A6302 and A6302XL current probes when using an AM503B or AM5030 current probe amplifier Make or verify the equipment settings in Table 13 Table 13 AM503B AM5030 settings for DC offset adjustment AM503B and AM5030 Coupling DC BW Limit On 20 MHz bandwidth limit Current division 10 mA division Oscilloscope Vertical Gain 10 mV division Time Base Auto triggered 1 ms division Input Coupling Ground 1 Move the oscilloscope trace to the center horizontal graticule line using the vertical position control 2 Set the oscilloscope input coupling to DC 3 Do not clamp the current probe around a conductor but make sure the jaws are locked shut 4 Press the amplifier PROBE DEGAUSS AUTOBALANCE button Wait for the degauss autobalance routine to complete before proceeding The routine is complete when the indicator light turns off A6302 and A6302XL Instructions Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com DC Offset Adjustment NOTE If the amplifier is not properly terminated into 50 Q the amplifier front panel displays error code 266 after the degauss autobalance routine completes Verify that the oscilloscope input is 50 Q and set to DC coupling If necessary use a 50 Q termination at the oscilloscope input 5 If no error codes are displayed after the degauss autobalance routine completes no offset
26. d length cable version of the A6302 It offers the same current range as the A6302 with a diminished frequency range of DC to 17 MHz The A6302XL can only be used with the AM 503B and AM 5030 and will not be recognized by other current probe amplifiers The probe performance specifications verification and adjustment are unique to the amplifier that the probe is plugged into Please refer to the amplifier documentation for specifications and verification procedures A6302 and A6302XL Instructions 1 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Getting Started Probe Installation To connect the current probe to the amplifier input connector align the tab of the probe connector with the slot in the amplifier input connector as shown in Figure 1 a Align the dot on the probe connector with the groove opening of the input connector as shown in Figure 1 b Push the probe connector in while twisting the barrel clockwise to lock the connector CAUTION Handle the current probe with care Do not drop the probe or subject N it to impact or the core may crack Do not connect or disconnect the current probe while the probe is clamped around a live conductor or while the amplifier is powered on or the probe may suffer electrical damage S Amplifier S Push connector in and twist to lock 96 C 00 Cur
27. ektronix field office or representative will contact you concerning any change in part number Change information if any is located at the rear of this manual Using the Replaceable Mechanical Parts List The tabular information in the Replaceable Mechanical Parts List is arranged for quick retrieval Understanding the structure and features of the list will help you find all of the information you need for ordering replacement parts The following table describes the content of each column in the parts list A6302 and A6302XL Instructions 37 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Replaceable Parts Parts List Column Descriptions Column Column Name Description 1 Figure amp Index Number Items in this section are referenced by figure and index numbers to the exploded view illustrations 2 Tektronix Part Number Use this part number when ordering replacement parts from Tektronix 3and4 Serial Number Column three indicates the serial number at which the part was first effective Column four indicates the serial number at which the part was discontinued No entries indicates the part is good for all serial numbers 5 This indicates the quantity of parts used 6 Name amp Description An item name is separated from the description by a colon Because of space limitations an item name may sometimes appear as incomplete Use the U S Federal Catalog handbook H
28. ent source 0 3 accuracy 0 to 2 A Fluke 5700A or Wavetek 9100 with Option 250 1 Calibration fixture 50 Q BNC Connector 015 0601 50 1 Current loop 20 turns 27 AWG coated wire Refer to page 20 1 50 Q 0 1 0 5 W 011 0129 00 1 BNC cable 50 Q 1 05 m 42 in long 012 0057 01 1 BNC to Dual 103 0090 00 Banana Adapter 462302 and A6302XL Instructions 13 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Performance Verification 14 Performance and interchangeability of the A6302 probe depends upon the type of amplifier you select to verify the probe When selecting one of the AM503 series amplifiers please note the following A6302 If you select the AM503B or AM5030 amplifier the procedures verify the A6302 probe to 50 MHz and the probe is then interchangeable between either amplifier If you select the AM503 amplifier you must verify the probe and AM503 as a system The procedures verify the A6302 probe to 50 MHz and the probe is not interchangeable with any other amplifier or system If you select the AM503A amplifier you must verify the probe and AMS503A as a system The procedures verify the A6302 probe to 50 MHz and the probe is not interchangeable with any other amplifier or system A6302XL AM503B or AM5030 only If you select the AM503B or AM5030 amplifier the procedures verify the A6302XL probe to 17 MHz and the probe is then interchangeab
29. ent transformer lift the transformer out of the probe as shown in Figure 16 and pull it out of the circuit board socket 2 To remove the circuit board unsolder the ground connection on the circuit board and lift the strain relief and the circuit board from the body half Strain relief Circuit board Current Body half Ground connection Figure 16 Removing the current transformer of the A6302XL probe 3 Before reassembling the probe be sure that the gap between the stationary and moveable core pieces is clean If necessary use isopropyl alcohol or a similar cleaning agent to clean the pieces Also clean the contacts of the slide switch if necessary Should the plastic slide assembly require lubrication sparingly apply silicone based grease to the parts 4 Probe reassembly is the reverse of steps 1 through 2 of this procedure and steps 1 through 5 on pages 31 through 33 NOTE Exercise care when fitting the slide back into the probe body aligning the switch contacts can require patience A6302 and A6302XL Instructions 35 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Maintenance Obtaining Replacement Parts Replacement parts may be obtained through your local Tektronix field office or representative Refer to the Replaceable Parts List on page 37 for more informa tion Preparation for Shipment If you must ship your Tektronix product
30. etting Started Degaussing and Autobalancing the Current Probe Degaussing the probe removes any residual magnetization from the probe core Such residual magnetization can induce measurement error Autobalancing removes unwanted DC offsets in the amplifier circuitry Failure to degauss the probe is a leading cause of measurement errors To maintain measurement accuracy degauss your probe in each of these cases m After turning on the amplifier and allowing a 20 minute warm up period m Before connecting the probe to a conductor or changing conductors under test m Whenever an overload condition occurs m Whenever the probe is subjected to a strong external magnetic field m Periodically during normal use Degauss and autobalance the current probe as follows 1 Verify that the current probe is connected to the amplifier 2 Remove the current probe from the conductor under test 3 Lock the probe slide closed see Figure 2 4 Press the amplifier PROBE DEGAUSS AUTOBALANCE button NOTE The degauss procedure will fail if the amplifier is not properly connected to a 50 Q termination impedance After you have completed the oscilloscope adjustments and the degauss autoba lance procedure your system is ready to measure current Probe Trim Adjust for Gain Accuracy AM503B and AM5030 Only After the PROBE DEGAUSS AUTOBALANCE routine has been run the probe and amplifier system will meet all published specifications however i
31. f you want to improve the tolerance of the system gain accuracy or to intentionally offset the gain accuracy to make up for total system errors the probe trim adjust routine may be performed Probe trim adjust is a multiplicative factor that you can use to adjust the gain of the current amplifier system You can set this multiplier in increments of 0 001 from 0 750 through 1 250 Probe trim adjust is used for an optional calibration of 4 A6302 and A6302XL Instructions Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Getting Started some current probes If you are not performing such an adjustment leave probe trim adjust to the factory default of unity gain 1 000 To set probe trim adjust press and hold the 20MHz BW LIMIT button while pressing and releasing the COUPLING button Use the and amp buttons to adjust the setting that is displayed in the CURRENT DIVISION display When finished press either the 20MHz BW LIMIT or COUPLING button to restore normal operation The display shows the last three significant digits of the display adjust setting the leading 0 or 1 are omitted If the first digit displayed is 7 8 or 9 then the leading digit must be 0 If the first digit displayed is 0 1 or 2 then the leading digit must be 1 Maximum Current Limits Current probes have three maximum current ratings continuous pulsed and Ampere second product Exceeding any of
32. h measure the peak current of the pulse see Figure 3a Divide the Ampere second or Ampere microsecond specification of your probe by the measured peak current of the pulse The quotient is the maximum allowable pulse width the pulse width at the 50 point of the measured signal must be less than this value For example the A6302 current probe has a maximum Ampere second product of 100 A us If a pulse measured with an A6302 probe has a peak current of 40 A the maximum allowable pulse width would be 100 A us divided by 40 A or 2 5 us i Maximum max y Do not exceed pulsed current Pulse width at 50 Pulse width at 50 50 Maximum Imax o continuous current 0A a Maximum allowable pulse width b Maximum allowable pulse amplitude Figure 3 Applying the amp second product rule 6 A6302 and A6302XL Instructions Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Getting Started Procedure B To determine the maximum allowable pulse amplitude measure the pulse width at the 50 points see Figure 3b Divide the Ampere second or Ampere microsecond specification of your probe by the pulse width The quotient is the maximum allowable current the peak amplitude of the measured pulse must be less than this value For example the A6302 current probe has a maximum Ampere second product of 100 A us If a pulse measured with an A6302 probe has a width of 3 us
33. igure 11 for the location of the DC offset adjustment DC offset o D B Figure 11 A6302 and A6302XL current probes DC offset adjustment location Required Test Equipment To perform the adjustment procedures in this section you will need the test equipment listed in Table 12 The test equipment must meet or exceed the specifications listed The test procedure may need to be changed if the recom mended equipment is not used Table 12 Required test equipment Recommended Description equipment Oscilloscope Oscilloscope 150 MHz bandwidth TDS 460 Termination 50 Q BNC connector 011 0049 01 feedthrough BNC cable 50 Q 1 05 m 42 in long 012 0057 01 1 Provided as a standard accessory with the AM503 series amplifiers A6302 and A6302XL Instructions 25 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com DC Offset Adjustment Equipment Connections AM503B or AM5030 Equipment Settings Procedure 26 1 Connect the amplifier output to a 50 Q oscilloscope input using a 50 Q BNC cable If the input impedance of your oscilloscope is 1 MQ first connect a 50 Q feedthrough termination to the oscilloscope input Do not connect the termination at the amplifier output 2 Connect the current probe to the amplifier input connector 3 Do not clamp the current probe around a conductor but make sure the jaws are locked shut Use the following pro
34. insert the dual banana adapter into the digital multimeter DC voltage input 2 Connect the current loop to the current source as shown in Figure 10 A6302 and A6302XL Instructions Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Performance Verification Amplifier in TM Series Power Module DMM Current source Output 20 turns Oo O BNC to dual__ banana adapter L 50 Q termination 50 Q coaxial cable Figure 10 DC gain accuracy test setup for A6302 and A6302XL current probes Equipment Settings Make or verify the equipment settings in Table 9 Table 9 Equipment settings for DC gain accuracy Digital multimeter Measurement type DC volts Range Autoranging Current source Output Off Current probe amplifier Coupling DC BW limit On Current division 1 mA division Procedure 1 Do not clamp the current probe around any conductor but make sure the jaws are locked shut 2 Press the amplifier PROBE DEGAUSS AUTOBALANCE button Wait for the degauss autobalance routine to complete before proceeding The routine is complete when the indicator light turns off 3 Clamp the current probe around the 20 turn current loop as shown in Figure 10 Verify that the arrow shaped indicator on the probe points away from the current source A6302 and A6302XL Instructions 21 Artisan Techn
35. isplayed is 7 8 or 9 then the leading digit must be 0 If the first digit displayed is 0 1 or 2 then the leading digit must be 1 462302 and A6302XL Instructions 23 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Performance Verification Table 11 DC gain accuracy test work sheet for A6302 and A6302XL current probes Turns of current Current probe z 15 5 loop passing amplifier Current source las current through probe current division output Error 20 m mak em 1 T am sea mm 20 sm lasm m 20 moma zsm om T mm sm mm 20 om fasma foma T hom esm aooo 20 mom pum T som tasma isa SC 20 aa umm oa T 2A sem m 20 sa faan oa 1 1 1 p2M Ms 0 01 X current division I dl Error a x 100 24 A6302 and A6302XL Instructions Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com HESSEN aa ss DC Offset Adjustment The following adjustment procedures describe how to adjust the DC offset of the A6302 using the AM503 AM503A AM503B or AM5030 amplifiers and the A6302XL using the AM503B and AM5030 current probe amplifiers Tolerances that are specified in these procedures apply to the current probes and do not include test equipment error Refer to F
36. le between either amplifier A6302 and A6302XL Instructions Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Performance Verification Bandwidth This procedure tests the bandwidth of the A6302 A6302XL with AM503B or AMS5030 amplifier only current probe In this test you measure a signal at a relatively low frequency and again at the rated bandwidth of the probe The two measurements are compared to verify that the signal amplitude does not fall below 3 dB at the probe bandwidth Refer to Figure 8 when making equipment connections Amplifier in TM Test oscilloscope Series Power Module Leveled sine wave generator Current probe Output 50 Q oscilloscope input or add 50 Q termination here if oscilloscope has i only high impedance input Calibration fixture Figure 8 Bandwidth test setup for the A6302 and A6302XL current probes Equipment Connections 1 Using a50 Q BNC cable connect the amplifier output to a 50 Q oscillo scope input If the input impedance of your oscilloscope is 1 MQ connect a 50 Q feedthrough termination at the oscilloscope input Do not connect the termination at the amplifier output 2 Connect the current probe to the amplifier input 3 Connect the current loop calibration fixture to the output of the leveled sine wave generator Equipment Se
37. mpened with isopropyl alcohol isopropanol or ethyl alcohol fotocol or ethanol Do not lubricate the jaws mating surfaces Any lubricant between the core pieces should be removed with a recommended solvent Do not use chemicals containing benzine benzene toluene xylene acetone or similar solvents Do not use a petroleum based lubricant on the plastic If the plastic slide assembly requires lubrication use a silicone based grease sparingly Do not immerse the probe in liquids or use abrasive cleaners Disassembly Instructions The following procedures explain how to disassemble the probe body and replace the current transformer WARNING Probe disassembly should only be performed by qualified service personnel Disassembling the Dissemble the A6302 or A6302XL probe body as follows Probe Body 1 Remove the two screws from the bottom of the probe and pull the strain relief boot back as shown in Figure 12 A6302 and A6302XL Instructions 31 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Maintenance 32 Probe body Strain relief boot Figure 12 Removing the strain relief boot 2 Move the probe slide assembly to the open position NOTE The probe slide contains a tiny metal ball In step 3 be careful not to lose the ball by accidentally letting it fall out 3 Hold the probe in a top up horizontal position and slide the top half of
38. ntg com Performance Verification DC Gain Accuracy Current Loop for DC Gain Accuracy Check A Equipment Connections 20 6 Verify that the probe rise time is less than the warranted specification Refer to Table 1 on page 8 NOTE When using the A6302 on an AM503 you can optimize the pulse response by adjusting R364 HF COMP located inside the AM503 amplifier Refer to the AMS03 Instruction Manual 070 2052 XX for instructions on how to access this adjustment This information is in the service section of the manual and the adjustment should be performed by qualified service personnel only This procedure tests the DC gain accuracy of the A6302 and A6302XL current probes In this test you compare the voltage output of the amplifier to a reference input You will need to construct a simple current loop in order to complete the DC gain accuracy tests WARNING Magnetic fields are produced that may cause a malfunction in heart pacemakers or damage to sensitive equipment Construct the loop using a cylindrical form approximately 3 inches in diameter wind exactly 20 turns of 27 coated wire NOTE Ensure that the current loop has exactly 20 turns A significant error will result for each turn variance from 20 turns 1 Using a BNC cable connect the amplifier output to the 50 Q feedthrough termination Attach the termination to a BNC to dual banana adapter Taking care to observe and maintain polarity
39. o complete negative coarse offset adjustment 48 Unable to complete positive fine offset adjustment 49 Unable to complete negative fine offset adjustment 6 Press and hold the 20 MHz BW LIMIT button and while holding it press the 10 462302 and A6302XL Instructions PROBE DEGAUSS AUTOBALANCE button This sets the front panel display to 00 and puts the AM503A into an internal test mode Rotate the CURRENT DIVISION knob until the front panel display reads 21 Press and release the 20 MHz BW LIMIT button This sets the AM503A internal offsets to zero Adjust the A6302 DC Offset control so that the oscilloscope trace is on the center graticule line zero offset 2 divisions Press and release the 20MHz BW LIMIT button then press and release the DC COUPLING button This exits the AM503A test mode 29 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com DC Offset Adjustment AM503 Equipment Settings Procedure 30 Use the following procedure to adjust the DC offset of the A6302 current probe when using an AM503 current probe amplifier Make or verify the equipment settings in Table 17 Table 17 AM 503 settings for DC offset adjustment AM503 Coupling CAL DC LEVEL BW limit On 5 MHz bandwidth limit Current division 10 mA division Oscilloscope Vertical gain 10 mV division Time base Auto triggered 1 ms division Input coupling Ground 1
40. ology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Performance Verification 22 4 For each of the amplifier current division settings in Table 10 perform the following steps a Set the Amplifier to the desired current division setting from Table 10 b Set the current source to the correct positive test current using Table 10 c Turn on the current source d Record the exact measurement of the digital multimeter as M7 You can copy Table 11 on page 24 to record the results of your measurements e Set the current source for the correct negative test current using Table 10 Table 10 DC gain accuracy test for A6302 and A6302XL current probes Turns of current Current probe loop passing amplifier Current source Test current through probe current division output h f Record the digital multimeter reading as M2 g Calculate the measured current In using the following formula M M In 0 01 X current division A6302 and A6302XL Instructions Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Performance Verification For example you might have obtained values of 50 mV for M and 48 mV for M If you are using an amplifier setting of 10 mA division you can compute J as L 50 0x103 48x10 mv 0 01 X 10x10 98 mA h Verify that the measured current ln is within 3 of the test curren
41. on Equipment Connections Equipment Settings 18 Amplifier in TM m i Series Power alibration Test oscilloscope MAE senda Current probe Fast rise output 50 2 input Calibration fixture Figure 9 Rise time test setup for A6302 and A6302XL current probes 1 Using a 50 BNC cable connect the amplifier output to a 50 Q oscillo scope input If the input impedance of your oscilloscope is 1 MQ connect a 50 Q feedthrough termination at the oscilloscope input Do not connect the termination at the amplifier output 2 Connect the current probe to the amplifier input 3 Connect the current loop calibration fixture to the calibration generator 50 Q fast rise output NOTE If your oscilloscope cannot trigger on the pulse use another BNC cable to connect the trigger output of the pulse generator to the trigger input of the oscilloscope Configure the oscilloscope for an external trigger Make or verify the equipment settings in Table 8 Table 8 Equipment settings for rise time Oscilloscope Vertical input impedance 50 Q Vertical gain 10 mV division Time base 2 ns division Record length 500 Coupling DC Offset 0 V mid scale Trigger type Edge Trigger mode Auto A6302 and A6302XL Instructions Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Performance Verification Table 8
42. one at 55 Hz Total time 54 min Random vibration Operating 0 31 grms 5 to 500 Hz 10 minutes on each axis Tektronix Std 062 2858 00 Rev B Class 3 Table 5 lists the product certifications and compliances Table 5 Certifications and compliances EC Declaration of Conformity Meets intent of Low Voltage Directive 73 23 EEC for Product Safety Compliance was demonstrated to the following specification as listed in the Official Journal of the European Communities Low Voltage Directive 73 23 EEC as amended by 93 68 EEC EN 61010 1 Safety requirements for electrical equipment for measurement control and laboratory use EN 61010 2 032 1994 Particular requirements for hand held current clamps for electrical measurement and test Certifications Underwriters Laboratories certified to Standard UL3111 1 and CSA CAN C22 2 No 1010 1 for Electrical and Electronic Measuring and Testing Equipment Underwriters Laboratories certified to Standard 1EC1010 2 032 Particular requirements for hand held current clamps for electrical measurement and test Overvoltage category Category Examples of Products in this Category CAT Ill Distribution level mains fixed installation CAT Il Local level mains appliances portable equipment CAT I Signal levels in special equipment or parts of equipment telecommunications electronics Pollution degree 2 Do not operate in environments where conductive pollutants may be present A6302 and A6302XL Instructions 11
43. ouse repair center We also offer credit for buy backs and trade ins IN STOCK ITEMS www artisantg com WeBuyEquipment EQUIPMENT DEMOS HUNDREDS OF InstraV ea REMOTE INSPECTION LOOKING FOR MORE INFORMATION MANUFACTURERS Remotely inspect equipment before purchasing with Visit us on the web at www artisantg com 7 for more our interactive website at www instraview com information on price quotations drivers technical LEASING MONTHLY specifications manuals and documentation RENTALS ITAR CERTIFIED yop aed Contact us 888 88 SOURCE sales artisantg com www artisantg com
44. products returned to any other locations This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and care Tektronix shall not be obligated to furnish service under this warranty a to repair damage resulting from attempts by personnel other than Tektronix representatives to install repair or service the product b to repair damage resulting from improper use or connection to incompatible equipment c to repair any damage or malfunction caused by the use of non Tektronix supplies or d to service a product that has been modified or integrated with other products when the effect of such modification or integration increases the time or difficulty of servicing the product THIS WARRANTY IS GIVEN BY TEKTRONIX IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE TEKTRONIX RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR BREACH OF THIS WARRANTY TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Service Assurance If you have not already purcha
45. rent probe connector q f Amplifier Slot Groove Alignment dot a Align the tab with the connector slot b Insert the connector into the amplifier Figure 1 Connecting a current probe to the current probe amplifier N A6302 and A6302XL Instructions Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Getting Started Operating the Current Probe Slide The current probe has a slide mechanism that opens and closes the probe jaw This allows you to clamp the probe around a conductor under test The slide must be locked to accurately measure current or to degauss the probe If a probe is unlocked the PROBE OPEN indicator on the amplifier lights not insulated To avoid injury or equipment damage remove power from an uninsulated wire before clamping the current probe around it Also never disconnect the probe from the amplifier when the probe is connected to a live conductor WARNING When the probe slides are open the exposed ferrite core pieces are Figure 2 illustrates the slide operation of the probe To open the probe pull the slide back until the jaw is open To lock the probe push the slide forward until the detent snaps into place Probe open Probe locked S GOS Figure 2 Operating the probe slide A6302 and A6302XL Instructions 3 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com G
46. sed Service Assurance for this product you may do so at any time during the product s warranty period Service Assurance provides Repair Protection and Calibration Services to meet your needs Repair Protection extends priority repair services beyond the product s warranty period you may purchase up to three years of Repair Protection Calibration Services provide annual calibration of your product standards compliance and required audit documentation recall assurance and reminder notification of scheduled calibration Coverage begins upon registration you may purchase up to five years of Calibration Services Service Assurance Advantages m Priced well below the cost of a single repair or calibration m Avoid delays for service by eliminating the need for separate purchase authorizations from your company m Eliminates unexpected service expenses For Information and Ordering For more information or to order Service Assurance contact your Tektronix representative and provide the information below Service Assurance may not be available in locations outside the United States of America Name VISA or Master Card number and expiration Company date or purchase order number Address Repair Protection 1 2 or 3 years City State Postal code Calibration Services 1 2 3 4 or 5 years Country Instrument model and serial number Phone Instrument purchase date Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SO
47. t I by computing Error as follows Il I Error x 100 I For example using a test current J of 100 mA and a measured current J of 98 mA the Error would be 98 100 Error 100 x 100 2 Probe Trim Adjust for Gain Accuracy AM503B and AM5030 Only After the PROBE DEGAUSS AUTOBALANCE routine has been run the probe and amplifier system will meet all published specifications however if you want to improve the tolerance of the system gain accuracy or to intentionally offset the gain accuracy to make up for total system errors the probe trim adjust routine may be performed Probe trim adjust is a multiplicative factor that you can use to adjust the gain of the current amplifier system You can set this multiplier in increments of 0 001 from 0 750 through 1 250 Probe trim adjust is used for an optional calibration of some current probes If you are not performing such an adjustment leave probe trim adjust to the factory default of unity gain 1 000 To set probe trim adjust press and hold the 20MHz BW LIMIT button while pressing and releasing the COUPLING button Use the amp and amp buttons to adjust the setting that is displayed in the CURRENT DIVISION display When finished press either the 20MHz BW LIMIT or COUPLING button to restore normal operation The display shows the last three significant digits of the display adjust setting the leading 0 or 1 are omitted If the first digit d
48. the probe body off as shown in Figure 13 4 Remove the metal ball 5 Turn the probe upside down push the slide back slightly and remove the slide see Figure 14 A6302 and A6302XL Instructions Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Maintenance Be careful to keep A this tiny metal ball from falling out eel ee 1 Hold the bottom 2 Grasp the top half of half of the probe the probe body here body in one hand with your other hand then a pivot the back end up and b slide the top forward off the end of the bottom half of the probe body Figure 13 Removing the top half of the probe 1 Hold the bottom half of SS the probe body in one hand SS 2 Grasp the top half of the probe body here with your other hand then a push the slide back slightly and b withdraw the slide from the probe body Figure 14 Removing the probe slide 462302 and A6302XL Instructions 33 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Maintenance Replacing the Current Replace the current transformer or cable assembly of the A6302 probe as Transformer or Cable follows Assembly of the f A6302 Probe 1 To remove the current transformer lift the front edge of the circuit board and transformer out of the probe and then pull the transformer socket off the circuit board pins
49. the oscilloscope time base to 5 ns division Increase the signal generator frequency to the warranted bandwidth Refer to Table 1 on page 8 7 Using the peak peak measurement capability of the oscilloscope measure and record the peak peak reading as M2 A6302 and A6302XL Instructions Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Performance Verification 8 The probe meets the bandwidth specification if the ratio of the signal amplitude at the warranted bandwidth is at least 70 7 of the signal amplitude at 3 MHz Using the following calculation verify probe band width NOTE The impedance of the calibration fixture used in this test changes between 3 MHz and 50 MHz Typically the impedance changes from 50 Q at 3 MHz to 53 Q at 50 MHz Thus you can substitute the following equation to make this test more accurate At 50 MHz M cos 37 gt 0 707 For the A6302XL at 17 MHz M s gt 0 707 9 Verify that the bandwidth is greater than the warranted specification Refer to Table 1 on page 8 Rise Time This procedure measures the rise time of the A6302 and A6302XL current probes In this test you directly measure the rise time of a step input Refer to Figure 9 when making equipment connections A6302 and A6302XL Instructions 17 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Performance Verificati
50. ttings Make or verify the equipment settings in Table 7 Table 7 Equipment settings for bandwidth Oscilloscope Vertical input impedance 50 Q Vertical gain 10 mV division Time base 200 ns division Record length 500 Coupling DC A6302 and A6302XL Instructions 15 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Performance Verification Procedure 16 Table 7 Equipment settings for bandwidth Cont Oscilloscope Offset 0 V mid scale Trigger type Edge Trigger mode Auto Trigger position 50 Acquisition mode Average Number of waveforms to average 8 Measurement type Peak to peak Leveled sine wave generator Frequency 3 MHz Amplitude 3 Vp Current probe amplifier Coupling DC BW limit Off full bandwidth Current division 10 mA division 1 Do not clamp the current probe around any conductor but make sure the jaws are locked shut 2 Press the amplifier PROBE DEGAUSS AUTOBALANCE button Wait for the degauss autobalance routine to complete before proceeding The routine is complete when the indicator light turns off 3 Clamp the current probe around the calibration fixture 4 Adjust the signal generator output so that the amplifier output is approxi mately 60 mVp p or six graticule divisions on the oscilloscope 5 Using the peak peak measurement capability of the oscilloscope measure and record the peak peak reading as Mj 6 Set
51. ult in damage to this product or other property Terms on the Product These terms may appear on the product DANGER indicates an injury hazard immediately accessible as you read the marking WARNING indicates an injury hazard not immediately accessible as you read the marking CAUTION indicates a hazard to property including the product Symbols on the Product The following symbols may appear on the product A A a NA CAUTION WARNING Double Protective Ground Do not connect to or Refer to Manual High Voltage Insulated Earth Terminal remove from an uninsulated conductor that 2 is HAZARDOUS LIVE Breakable Do not drop Use only on an insulated wire Refer to the specifications section for a listing of certifications and compliances that apply to this product A6302 and A6302XL Instructions Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com Preface This instruction manual supports the operation and maintenance of the A6302 and A6302XL current probes with any of the AM503 series current probe amplifiers You can find additional documentation supporting the operation and maintenance of the AM503 series amplifiers in the following manuals A6302 and A6302XL Instructions AM503 Instruction Manual 070 2052 XX AM503S AM503A User Manual 070 8170 XX AM503S AM503A Service Manual 070 8174 XX AM503B amp AM5030 Instruction Manual 070 8766 XX
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