A6303 & A6303XL 100 Amp AC/DC Current Probe
Contents
1. Obtaining Replacement Parts Replacement parts may be obtained through your local Tektronix field office or representative Refer to the Replaceable Parts List on page 15 for more information A6303 amp A6303XL Instructions 13 Maintenance Preparation for Shipment If you must ship your Tektronix product 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 14 A6303 amp A6303XL Instructions E E Replaceable Parts List This section contains a list of the components that are replaceable for the Current Probe As described below use these lists to identify and order replacement parts Parts Ordering Information Replacement parts are available from or through your local Tektronix Inc service center or representative Changes to Tektronix instruments are sometimes made to accommodate improved components as they become available and to give you the benefit of the latest circuit improvements Therefore when ordering parts it is important to includ2. Table 2 Mechanical Characteristics Probe Dimensions Length 26 8 cm 10 6 inches Width 4 05 cm 1 6 inches Height 15 6 cm 6 13 inches Cable Length A6303 2 m 6 6 feet A6303XL 8 m 26 25 feet lt 41mm _ I 21 mm 1 6 in 0 83 in A 67 mm 25 mm 2 7 in i i in Y Maximum Wire Size 21 mm 0 83 in Figure 7 A6303 and A6303XL Probe Jaw Dimensions Nominal 8 A6303 amp A6303XL Instructions Specifications A6303 amp A6303XL Instructions Table 3 Environmental Characteristics Operating Temperature Storage Temperature Humidity Nonoperating Operating Altitude Operating Transportation Mechanical Shock Vibration Random Vibration Operating 0 C to 50 C 40 C to 75 C 30 C to 60 C at 90 to 95 RH 30 C to 50 C at 90 to 95 RH 2 000 m 6 416 ft Qualifies under National Safe Transit Procedure 1A category Il 36 in drop 500 g Half sine Three shocks on three of the probe for 1 ms duration Total of 9 shocks 0 025 in pk pk displacement 10 50 Hz in 1min cycles Hold 9 min at any major resonance or if none at 55 Hz Total time 54 min 0 31 grms 5 to 500 Hz 10 minutes on each axis Tektronix Std 062 2858 00 Rev B Class 3 Specifications Table 4 Certifications and Compliances EC Declaration of Conformity Compliance was demonstrated to the following specification as listed in the Official Journal of the Low Voltage E
3. Continuous Current 100 A DC peak AC Maximum Pulsed Current 500 A Amp Second Product 1 x 10 A s 10 000 A us Insertion Impedance 0 02 Q at 1 MHz 0 15 Q at 15 MHz 6 A6303 amp A6303XL Instructions Specifications A6303 amp A6303XL Instructions Amperes peak Max peak pulse 500 A 500 400 Amp second product limit 10 000 A us 300 200 Max continuous pulse 100 10 20 30 40 50 60 70 80 90 100 Allowable pulse width microseconds Figure 4 A6303 and A6303XL specified operating area Maximum input current Amperes peak 200 Derating curve Maximum input current 100 50 10 1 0 001 0 01 0 1 1 10 50 Frequency MHz Figure 5 A6303 and A6303XL frequency derating curve Specifications 1 0 05 Typical impedance Impedance deviation 7 7 0 2 2 f x 7 2 oi 7 rA 2 4 Ld E di rH B 05 zT c aw S Z T na f 4 a 02 7 4 01 0 1 0 2 0 5 1 2 5 10 20 50 Frequency MHz Figure 6 A6303 and A6303XL insertion impedance curve
4. locking the probe Figure 2 Operating the probe slide Degaussing and Autobalancing the Current Probe l 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 as shown in Figure 2 b 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 Amplifier degauss autobalance procedure your system is ready to measure current Why Degauss 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 A6303 amp A6303XL Instructions 3 Getting Started 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 Maximum Current Limits Procedure A Current probes have three maximum current ratings continuous p
5. 446 00 367 0218 00 401 0352 00 070 3906 XX Serial no effective B031153 Serial no discont d B031152 A6303 amp A6303XL Instructions Qty Name amp description PROBE CURRENT A6303 A6303XL BODY HALF PROBE LEFT W CONTACTS P6303 SLIDE ASSEMBLY WITH WARNING LABEL MARKER IDENT MKD A6303 MARKER IDENT MARKED A6303XL SPRING FLAT UPPER CAN TRANSFORMER CUR TOP amp BOTTOM BODY HALF PROBE RIGHT W CONTACTS P6303 SCREW CAP 4 40 X 0 75 SCH STL CD PL HEX REC PLUG HOLE U W0 14 DIA HOLE WHT PLSTC SCREW CAP 4 40 X 0 5 SCH STL CD PL HEX REC CABLE ASSY CABLE ASSY W CKT BD A6303 CABLE ASSY W CKT BD A6303 CABLE ASSEMBLY WITH CIRCUIT BOARD A6303XL SPR HLCL TRSN 0 1 OD X 0 5 L MUSIC WIRE HANDLE SQUEEZE PROBE GR CLUSTER SPUR 2 18 AND 1 24 T PLASTIC Standard Accessories MANUAL TECH INSTRUCTION A6303 A6303XL DP Mfr code TK1163 80009 07416 0KB05 TK1326 80009 TK1163 0KB01 02768 93907 80009 80009 80009 8X345 TK2565 TK2565 TK2548 Mfr part number ORDER BY DESCRIP 351 0955 00 334 4347 01 334 8622 01 214 2422 00 120 1102 00 ORDER BY DESCRIP ORDER BY DESCRIP 207 090201 00 0101 ORDER BY DESCRIP 174 3247 00 174 3247 01 174 3222 00 ORDER BY DESCRIP 367 0218 00 401 0352 00 070 3906 XX 17 Replaceable Parts List Manufacturers Cross Index Mfr code Manufacturer 02768 ILLINOIS TOOL WORKS INC 07416 NELSON NAME PLATE COMPANY 0KB01 STAUFFER SUPPLY CO 0KB05 NORTH STAR NAMEPLATE INC 80009 TEK
6. CIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES Se AEN Table of Contents General Safety Summary 0 cece cece cece eee e ee eees ii Service Safety Summary 0 cece cece cere cece eee cee iv Preface ritsan est be cule tese Weald se CE D Sees edes G v Contacting Tektronix iiie es hes hd gd e e DA s vi Getting Started i oce X ne m IRR VR CEN an 1 Probe IistallatiOnDz 64 dot ees ate uri testa 1 Operating the Current Probe Slide 0 00 cece eee eee eee eee ee 2 Degaussing and Autobalancing the Current Probe 404 3 Why Degauss the Current Probe 0 eee eee ee eee 3 Maximum Current Limits 0 eee ee eee eee eens 4 Specifications cis ev sr SEE RR ah ee aa Wins ORO oa a RR LA 6 Maintenance ie ek exer EIS Sake AE Vu EURO TO Eque 11 Gledning vios rc edad desde eS bar Dis eer De nc perd 11 Disassembly Instructions 0 cece ee e 11 Obtaining Replacement Parts 0 eke ee eee eee 13 Preparation for Shipment 00 eee eee eee eee eens 14 Replaceable Parts List 0 ccc ccc cece eee enhn 15 Parts Ordering Information 0 0 cece eee eee 15 Using the Replaceable Parts List 0 00 cece cece ee eee 15 A6303 amp A6303XL Instructions i EE ae General Safety Summary To Avoid Fire or Personal Injury Review the following safety precaution
7. Instructions Tektronix A6303 amp A6303XL 100 Amp AC DC Current Probe 070 3906 06 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 Copyright Tektronix Inc All rights reserved Tektronix 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 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 Tektron
8. TRONIX INC 8X345 NORTHWEST SPRING MFG CO 93907 CAMCAR DIV OF TEXTRON INC TK1163 POLYCAST INC TK1326 NORTHWEST FOURSLIDE INC TK2548 XEROX CORPORATION TK2565 VISION PLASTICS INC 18 Address 195 ALGONQUIN RD 3191 CASITAS AVENUE 810 SE SHERMAN 5750 NE MOORE COURT 14150 SW KARL BRAUN DR PO BOX 500 5858 SW WILLOW LANE ATTN ALICIA SANFORD 516 18TH AVE 9898 SW TIGARD ST 18500 SW TETON AVENUE DIV OF XEROX CORPORATION 14181 SW MILLIKAN WAY 26000 SW PARKWAY CENTER DRIVE City state zip code DES PLAINES IL 60016 6103 LOS ANGELES CA 90039 2410 PORTLAND OR 97214 4657 HILLSBORO OR 97124 6474 BEAVERTON OR 97077 0001 LAKE OSWEGO OR 97035 ROCKFORD IL 611045181 TIGARD OR 97223 TUALATIN OR 97062 BEAVERTON OR 97005 WILSONVILLE OR 97070 A6303 amp A6303XL Instructions
9. ce verification and probe adjustment procedures may be found in the AM 503B amp AM 5030 Instruction Manual WARNING Probe disassembly should only be performed by qualified service personnel 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 dampened with isopropyl alcohol isopropanol or ethyl alcohol fotocol or ethanol Do not lubricate the mating surfaces of the jaws 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 A 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 1 Unlock the probe slide A6303 amp A6303XL Instructions 11 Maintenance 12 A 2 Place the probe on a flat surface with the screw heads facing up 3 Using a 3 32 inch Allen wrench remove the eight retaining screws from the case 4 While holding the squeeze handle and slide lift the top part of the p
10. e the following information in your order W Part number m Instrument type or model number Instrument serial number Instrument modification number if applicable If a part you order has been replaced with a different or improved part your local Tektronix service center or representative will contact you concerning any change in the part number Using the Replaceable Parts List Item Names Abbreviations A6303 amp A6303XL Instructions The tabular information in the Replaceable Parts List is arranged for quick retrieval Understanding the structure and features of the list will help you find all the information you need for ordering replacement parts In the Replaceable Parts List an Item Name is separated from the description by a colon Because of space limitations an Item Name may sometimes appear as incomplete For further Item Name identification U S Federal Cataloging Handbook H6 1 can be used where possible Abbreviations conform to American National Standards Institute ANSI standard Y1 1 15 Replaceable Parts List Figure 10 A6303 amp A6303XL exploded view A6303 amp A6303XL Instructions 16 Replaceable Parts List Replaceable Parts List Fig amp index number 10 1 2 3 Tektronix part number 204 0713 01 351 0955 00 334 4347 01 334 8622 01 214 2422 00 120 1102 00 204 0712 01 211 0093 00 348 0023 00 211 0183 00 174 3247 00 174 3247 01 174 3222 00 214 2
11. easure currents to 100 A DC peak AC and up to 500 A peak current while not exceeding the amp second rating The A6303XL is an extended length cable version of the A6303 It offers the same current ranges as the A6303 with a diminished frequency range of DC to 10 MHz The A6303XL can only be used with the AM503B and AM5030 and will not be recognized by other current probe amplifiers Please refer to the amplifier documentation for verification procedures adjust ments and additional specifications If you need assistance using your probe please call our Customer Support Center at 1 800 833 9200 and select option 3 If you are outside the United States or Canada please contact your nearest Tektronix Service Center To connect a 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 current probes with care Do not drop a probe or subject it to impact or the core may crack Do not connect or disconnect a 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 A6303 amp A6303XL Instructions 1 Getting Started oO Amplifie
12. he 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 A6303 amp A6303XL Instructions Getting Started Maximum nak Do not exceed pulsed current Pulse width at 50 S Pulse width at 50 50 Maximum P continuous current 0A a Maximum allowable pulse width b Maximum allowable pulse amplitude Figure 3 Applying the Amp second product rule 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 A6303 amp A6303XL Instructions LS ASSNNUUUUUUUUUUUUUUUU Specifications Mechanical electrical and environmental characteristics unique to the probe are listed in this section The probe s performance specifications are determined by the amplifier that it is used with Please refer to the amplifier documentation for probe performance specifications Table 1 Electrical Characteristics Bandwidth 3 dB A6303 DC to 15 MHz A6303XL DC to 10 MHz Rise Time 1096 to 90 A6303 lt 23 ns A6303XL lt 35 ns Frequency Derating 12 A at 10 MHz Maximum Bare Wire Working Voltage 600 Vrms CAT II 300 Vams CAT III Maximum
13. ix 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 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 SPE
14. neral Safety Summary Symbols and Terms A A A6303 amp A6303XL Instructions 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 result 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 CAUTION WARNING Double Protective Ground Do not connect to or Refer to Manual High Voltage Insulated Earth Terminal remove from an uninsulated conductor that Ww il is HAZARDOUS LIVE Breakable Do not drop a ee Service Safety Summary Only qualified personnel should perform service procedures Read this Service Safety Summary and the General Safety Summary before performing any service procedures Do Not Service Alone Do not perform internal service or adjustments of this product unless another person capable of rendering first aid and resuscitation is present iv A6303 amp A6303XL Instructions Preface A6303 amp A6303XL Instructions This instruc
15. r Push connector in and twist to lock Current probe Connector n q f Groove Alignment dot Tab Amplifier a Align the tab with the connector slot b Insert the connector into the Amplifier Figure 1 Connecting a current probe to the amplifier Operating the Current Probe Slide Each current probe has a slide 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 will light WARNING When the probe slides are open the exposed ferrite core pieces are not insulated To avoid injury or equipment damage remove power from an uninsulated wire before clamping the current probe around it Never disconnect the probe from the Amplifier when the probe is connected to a live conductor Allow your hands to contact the probe handle and lock only Figure 2 illustrates the slide operation of the probe To open the probe press the bottom of the lock button and squeeze the handle until the core is open To lock the probe release the squeeze handle and press the top of the lock button 2 A6303 amp A6303XL Instructions Getting Started 1 Unlock the probe 2 Squeeze the handle f 1 Release the handle a Opening the probe b Closing and
16. robe body off 5 Remove the slide WARNING There is a spring in the squeeze handle that can pop out and cause personal injury unless care is exercised when disassembling the probe 6 Liftthe cable out of the probe handle and insert a pair of pliers in the handle as shown in Figure 8 Torsion spring Squeeze handle Figure 8 Removing the handle 7 While maintaining a firm grip on the pliers carefully lift the squeeze handle and gear out of the probe See Figure 8 8 To remove the current transformer lift the assembly out of the probe as shown in Figure 9 and unplug it from the circuit board A6303 amp A6303XL Instructions Maintenance Circuit board Figure 9 Removing the current transformer 9 To remove the circuit board unplug the board from the current transformer 10 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 Probe reassembly is the reverse of steps 1 through 9 You may need to squeeze the handle slightly to align the gear teeth with the slide rack NOTE Exercise care when fitting the slide back into the probe body aligning the switch contacts can require patience
17. s to avoid injury and prevent damage to this product or any products connected to it To avoid potential hazards use this product only as specified Only qualified personnel should perform service procedures Connect and Disconnect Properly 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 Observe All Terminal Ratings To avoid fire or shock hazard observe all ratings and marking on the product Consult the product manual for further ratings information before making connections to the product The common terminal is at ground potential Do not connect the common terminal to elevated voltages Do Not Operate Without Covers Do not operate this product with covers or panels removed Avoid Exposed Circuitry Do not touch exposed connections and components when power is present Do Not Operate With Suspected Failures If you suspect there is damage to this product have it inspected by qualified service personnel Do Not Operate in Wet Damp Conditions Do Not Operate in an Explosive Atmosphere Keep Product Surfaces Clean and Dry A6303 amp A6303XL Instructions Ge
18. tions manual supports the operation and maintenance of the A6312 Current Probe 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 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 Preface Contacting Tektronix vi Phone Address Web site Sales support Service support Technical support 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 This phone number is toll free in North America After office hours please leave a voice mail message Outside North America contact a Tektronix sales office or distributor see the Tektronix web site for a list of offices A6303 amp A6303XL Instructions Getting Started Probe Installation A This section covers the installation and operation of the A6303 amp A6303XL current probes The A6303 is a DC to 15 MHz current probe designed for use with the AM503 family of current probe amplifiers and the 11A16 plug in The A6303 can m
19. ulsed and Ampere second product Exceeding any of these ratings can cause measurement errors or probe heating See Specifications on page 6 for probe current ratings 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 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 is 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 with 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 To determine the maximum allowable pulse width 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 t
20. uropean Communities Low Voltage Directive 73 23 EEC EN 61010 1 1993 Safety requirements for electrical equipment for measurement control and laboratory use EN 61010 2 032 1995 Particular requirements for hand held current clamps for electrical measurements and test Approvals UL3111 1 Standard for electrical measuring and test equipment CAN CSA C22 2 No 1010 1 Safety requirements for electrical equipment for measurement control and laboratory use IEC1010 2 032 Safety requirements for electrical equipment for measurement control and laboratory use Installation Category Descriptions Terminals on this product may have different installation category designations The installation categories are CAT III Distribution level mains usually permanently connected Equipment at this level is typically in a fixed industrial location CAT II Local level mains wall sockets Equipment at this level includes appliances portable tools and similar products Equipment is usually cord connected CATI Secondary signal level or battery operated circuits of electronic equipment 10 A6303 amp A6303XL Instructions Maintenance Cleaning This section explains how to clean the A6303 amp A6303XL current probes and if necessary disassemble a probe for maintenance or repair Also included are instructions for preparing a probe for shipment The A6303 amp A6303XL current probes should require only routine cleaning Performan
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