P5205 User Manual
Contents
1. 12 Twisting the Input Leads 12 Extension Leads sa 0 0 anaku eee eee eee 13 Probe Loading yao sa ee an Maa ie ead eee 14 Specifications sei sash a ua aspa teenie waqsa 15 Warranted Characteristics 16 Typical Characteristics u usss u eee 18 Nominal Characteristics 20 Maintenance eeren ia ana EEA rn 21 Cleaning ias ee eed dado E a ee wakata 21 Servicing the Compensation Box 21 Replacing the Compensation Box Covers 24 Packaging For Return Shipment 25 Performance Verification 27 Construction of Modified BNC Adapter 28 SEUD Gat Teria mu cane hee GT Peta uu araq angler EEE 29 Differential Gain Accuracy 30 Bandwidth xo sat ua bapa aa dn Siete E aaa Bare E vaca 32 DE CMRR Oro Tee DEEPER CE EFE PEO AS ate ahs 33 P5205 Instruction Manual i Table of Contents Replaceable Parts Parts Ordering Information Using the Replaceable Parts List Abbreviations Mfr Code to Manufacturer Cross Index P5205 Instruction Manual Table of Contents List of Figures Figure 1 High Voltage Differential Probe Figure 2 Safety limits voltage between either input and earth ground Figure 3 Twisting the input leads F2. Description Test oscilloscope Standard ampli tude generator Leveled sine wave generator DC voltage source Plunger clamps 2 required Modified BNC adapter BNC adapter Coaxial cables 2 required Terminator Minimum requirements Bandwidth gt 400 MHz TEKPROBE interface vertical accuracy lt 1 5 Amplitude accuracy lt 0 75 Rise time lt 3 ns Use clamps included in accessory kit BNC male to dual binding post BNC female to dual banana 36 in 0 9144 m precision 50 Q 50 Q precision feed through P5205 Instruction Manual Example or part number TDS460A TDS744A or TDS784A Fluke Wavetek 9100 with oscillo scope option 250 Accessory kit 020 2106 00 103 0035 00 103 0090 00 012 0482 00 011 0049 01 Purpose Display probe output Check probe attenua tion bandwidth and common mode rejec tion ratio Connection to binding post Interconnection be tween probe and gen erator See Figure 11 on page 28 Interconnection be tween probe and gen erator Interconnection between oscilloscope and generator Termination between probe and generator during bandwidth mea surements 27 Performance Verification Construction of Modified BNC Adapter Construct the modified BNC Adapter from a BNC male to dual binding post adapter Tektronix part number 103 0035 00 see Figure 11 28 Black and red plastic post covers Figure 11
3. You may use other accessories if they are approved for the maximum voltage present in your application and have the same style and size connectors The P5205 probe allows clear and accurate measurements of high speed transitions and provides excellent rejection of common mode signals Both inputs have high impedance and low capacitance Because of these features the probe can safely measure the fast voltage transients in switching power devices without damaging them Other applications for the P5205 probe include testing high voltage motor control circuits and line connected circuits in switch mode power supplies For a complete list of replaceable accessories and part ordering information see the Replaceable Parts section starting on page 35 P5205 Instruction Manual 1 Getting Started AN N ATTENUATION JE 500x 50X BANDWIDTH AUDIBLE OVERRANGE N Fu N oN 5MHz OFF OVERRANGE Tektronix P5205 100 MHz High Voltage Differential Probe OUTPUT lt 2 6V MAX INTO 1MO Figure 1 High Voltage Differential Probe 2 P5205 Instruction Manual Getting Started The P5205 has several features and accessories that make probing and measurement a simpler task Take a moment to familiarize yourself with these items and their uses oc a maximum of 1 000 Vrms CAT II between either Differential Inputs The inputs are rated to safely accept input and eart
4. Cleaning A Remove dirt with a soft cloth dampened in a mild detergent and water solution or isopropyl alcohol CAUTION To avoid damaging the probe use only a mild detergent and water solution or isopropyl alcohol do not use any other solvents or abrasive cleaners Do not immerse the probe Servicing the Compensation Box Some components of the compensation box can be serviced These components include the TEKPROBE interface pins the probe collar and the compensation box covers Replacing TEKPROBE Interface Pins TEKPROBE interface pins can stick and fail to make contact after time Periodically check each of the interface pins Replace any pin that fails to move freely and fully extend P5205 Instruction Manual 21 Maintenance 22 To remove a TEKPROBE interface pin firmly grasp the pointed tip with pliers and pull the pin out of the connector See Figure 7 No tools are required to install a replacement pin Insert a new pin into the connector socket as far as possible using finger pressure If necessary seat the pin into the connector by pressing the tip of the pin gently but firmly against a hard surface Figure 7 Replacing TEKPROBE interface pins P5205 Instruction Manual Maintenance Removing and Replacing the TEKPROBE Interface Collar To remove the TEKPROBE interface collar firmly grasp the compensation box body with one hand and the TEKPROBE interface collar with the other hand Firmly p
5. D d SSI99Y L SHO109 SnOINVA V3 VO 13S HAY L MOVIG OILSW1d dil WLIW TOOL LNAWLSNPOV YAAIHGMAYOS L 1 X08 dWO9 9 SGHOD TIY 3d 03S SV TIIM SV ASVO NI 3gOt SCTOH 3SVO LAOS HOS dYHLS dYYLS L 3gOtd ya1 19V 410 3gO0td L uonldu5s q g ueN O XX 26 020 00 0712 0 0 00 9012 0 0 00 90 910 00 r1 00 00 L9v1 910 pjuoosiq A93J3 qunN Hed ONTeHaS ON BLS XIU011191 S l10SS935V jqe sejd y pue sozSd l t J quinN x pul 9 by P5205 Instruction Manual co c Replaceable Parts 00 08r0 90 60008 AIWH WOLLOS YSA09 X08 dINOO L 00 08r0 90 g 00 ZLL6 vEe 60008 G0 Sd 138V1 GI XOd dWO9 LN3AI H3MHVIN L 00 ZLI6 vEe t GO Sd OILSW1d S10H AINIHOYNW M XOG 80 6Z70 907 60008 dINOO dTVH dOL J1VH X08 dWO9 L 80 6Z70 907 8S19 d 6SE8I dil Q31V1d 0109 03 15 LOVLNOD L 0 ZZ98 E o 00 1610 S0 60008 AWH9 3AOq S8V ON8 NN02 9313 TISHS L 00 1610 S02 SL JOqUINN Wed JN POJN uoldiu5s q gowenN Aj pjuoosiq JequNNUeg HAUNN ONIEH9S ON IEH 9S XIU01 N9 1 Xx pul 9 by 39 xog uolsu duio2 seg ajqeaorjday xoq uonesu dwos syed qe 5e d ti I N IJ jqe ved JOU aJe Soul paysep YM p le1snil Sued ALON P5205 Instruction Manual Replaceable Parts COLL 60008 NNOO Z 13S3dO M Sd sl SAOUdMAL L EOL 00 8 1 00 G9SZ ML AIWNOSYVDA1Od XOd dWOO0 H3A00 1001 3STu L 00 8 1 00 JOQUINN Med YIN po YIN uondi5s q z owen pj
6. minutes b Connect the input leads of the probe together Insert the adjustment tool in the access hole of the compensation box and adjust the probe to the zero reference point If you are using this probe for the first time read the General Safety Summary on page v and read page 9 of the Operating Basics section for important safety information 6 P5205 Instruction Manual Getting Started Functional Check To make a simple functional check of the P5205 probe select a source that supplies AC line voltage and use the following procedure This procedure verifies a majority of the circuitry within the probe For a complete performance verification refer to the Performance Verification section starting on page 27 1 Use the installation procedure starting on page 6 to connect the output of the P5205 probe to a measurement instrument 2 Connect the inputs set the range and perform the check as each line of Table 1 below indicates Table 1 Functional check Input 1 or Hot Input 2 Range or setting Check Ground or Differential 500X Measurement instrument Neutral out displays or indicates the line voltage ae Overrange indicator lights if ae the input is 150 Vv Hot same Common 50X or 500X No signal connection Mode If the line voltage is less than 150 V use a sine wave generator to create a 150 V p Signal P5205 Instruction Manual This completes the functional chec
7. the limits described in Table 2 Specifications for the P5205 probe fall into three categories warranted typical and nominal characteristics WARNING Special fixtures are required to examine specifications at the maximum frequency and voltage levels and should be conducted only by qualified Service Personnel See the Service section for more detail P5205 Instruction Manual 15 Specifications Warranted Characteristics Warranted characteristics in Tables 2 and 3 describe guaranteed performance within tolerance limits or certain type tested require ments Warranted characteristics that have checks in the Perfor mance Verification section appear in boldface type Table 2 Warranted electrical characteristics Characteristic DC Common Mode Rejection Ratio Description gt 3000 1 at 500 VDC 20 30 C lt 70 RH Bandwidth Maximum Operating Input Voltage Maximum Nondestructive Input Voltage Gain Accuracy DC to 100 MHz 3 dB 500X differential 1 3 kV DC peak AC 500X common mode 1 kV pms CAT II 50X differential 130 V DC peak AC 50X common mode 1 kVaus CAT II 500X and 50X differential 1 5 kV DC peak AC 500X and 50X common mode 1 3 kV ams CAT Il 3 at 20 30 C lt 70 RH Temperature Humidity 16 Operating 0 to 40 C Nonoperating 30 to 70 C Operating lt 85 RH at or below 35 C Nonoperating lt 85 RH at or below 60 C P5205 Instr
8. time or difficulty of servicing the product THIS WARRANTY IS GIVEN BY TEKTRONIX WITH RESPECT TO THE PRODUCT 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 mu Table of Contents General Safety Summary v Service Safety Summary Vii Environmental Considerations viii Getting Started 1 Features and AccessorieS 1 Installations 0 sais e at eS PE E eE 6 Functional Check u seid te S h Vee eee a eae 7 Operating Basics 9 Operating the Probe Safely 9 Minimizing Risk of RF Burn probe leads 10 Maximum Input Limits 10 Operating Characteristics and Probing Techniques 11 Operating Limits 11 Overrange Detection 12 Common Mode Rejection
9. 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 Qty 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 H6 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 or vendor part number Abbreviations Abbreviations conform to American National Standard ANSI Y1 1 1972 Mfr Code to Manufacturer Cross Index The table titled Manufacturers Cross Index shows codes names and addresses of manufacturers or vendors of components listed in the parts list 36 P5205 Instruction Manual Replaceable Parts Ly aN N SR g Figure 14 P5205 Probe and replaceable accessories P5205 Instruction Manual 37 Replaceable Parts XX 26 020 00 0712 0 0 LLY6E LY 00 90 910 00 r1 00 00 19 940 1 quinN Hed IJN 60008 SrS9Z SrS9Z 60008 SISAL 60008 60008 9poo JN dd S02Sd NOLLONYLSNIHOAL YNNYN L G0 Sd HOS S3lHOSS390V 91d SS309V L dNWV19 HSONMd GALVINSNI yOV18 1 aay 1 9 dno 371009049 yOv18 1 daH 1
10. BNC male to dual binding post adapter To expose the posts that you will connect the P5205 High Voltage Differential probe leads to remove the black and red plastic post covers of the BNC male to dual adapter Use a pair of pliers and a vise to remove the plastic covers as shown in Figure 12 on page 29 P5205 Instruction Manual Performance Verification Pliers ee Figure 12 Removing plastic covers from binding posts Setup WARNING These procedures require the application of high voltage J to the inputs of the P5205 probe Because this adapter has exposed metal surface only qualified personnel should perform testing with voltage levels that exceed 30 V ms All pertinent safety rules and guidelines for elevated voltage measurements should be followed and adhered to Connect the output of the probe to the Channel 3 input of the test oscilloscope Let the probe warm up for 20 minutes P5205 Instruction Manual 29 Performance Verification NOTE These procedures assume that you are using an oscilloscope that automatically displays the correct volts division scale factor for the attenuation setting of the probe If not you must take the attenuation setting of the probe into account when setting the volts division on the oscilloscope Differential Gain Accuracy 30 1 Set the volts division on channel 2 of the oscilloscope to 2 V m Trigger on channel 2 m Select 1 MQ impedance if option exists on osc
11. Instruction Manual Tektronix P5205 High Voltage Differential Probe 070 9472 03 www tektronix com Copyright Tektronix All rights reserved Licensed software products are owned by Tektronix or its subsidiaries or suppliers and are protected by national copyright laws and international treaty provisions 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 and TEK are registered trademarks of Tektronix Inc Contacting Tektronix Tektronix Inc 14200 SW Karl Braun Drive P O Box 500 Beaverton OR 97077 USA For product information sales service and technical support m InNorth America call 1 800 833 9200 m Worldwide visit www tektronix com to find contacts in your area Warranty 15 Tektronix warrants that the product will be free from defects in materials and workmanship for a period of one 1 year from the date of original purchase from an authorized Tektronix distributor If the 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 Batteries are excluded from this warranty Parts modules and replacement products used by Tektronix for warranty work may be new or reconditio
12. al probe input leads Twist the input leads together as shown in Figure 3 on page 13 and connect both probe inputs to the positive terminal of the modified BNC adapter Adjust the offset on the probe output to zero WARNING Generator produces hazardous voltages To avoid risk of shock do not touch exposed metal parts after the generator output is enabled Set the output of the generator to 500 VDC Enable the output Check that the trace on the oscilloscope shifts less than 3 33 divisions 167 mV from center 10 Disable the generator output P5205 Instruction Manual 33 Performance Verification output is disabled before modifying disconnecting test setup or connections since exposed metal may at a hazardous potential It is recommended that the generator output amplitude be reduced to minimum prior to disabling the output 0 WARNING To reduce the risk of electric shock ensure the generator 11 Disconnect all test equipment This completes the performance verification procedure 34 P5205 Instruction Manual Replaceable Parts This section contains a list of the replaceable modules for the P5205 probe 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 instruments are sometimes made to accommo date improved components as they become availa
13. ble and to give you the benefit of the latest circuit 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 m Instrument modification number if applicable If you order a part that has been replaced with a different or improved part your local Tektronix field office or representative will contact you concerning any change in part number You may exchange your module for a remanufactured module These modules cost significantly less than new modules and meet the same factory specifications To contact us about the module exchange program refer to Contacting Tektronix at the front the manual on the copyright page Using the Replaceable Parts List This section contains a list of the mechanical and or electrical components that are replaceable for the P5205 probe Use this list to identify and order replacement parts Table 8 describes each column in the parts list P5205 Instruction Manual 35 Replaceable Parts Table 8 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 that follow 2 Tektronix Part Number Use this part number when ordering replacement parts from Tektronix 3 and 4 Serial Number Column three indicates the serial number at
14. cal CMRR of the probe versus input frequency For example if you apply a 60 Hz line voltage of 500 Vp p to both input leads of the probe the probe rejects the signal by 80 dB typical and the signal appears as only a 50 mVp p signal on the oscilloscope screen To maximize the rejection of common mode signals twist the input leads together as shown in Figure 3 on page 13 and do not use the extension leads Twisting the Input Leads Twisting the input leads as shown in Figure 3 helps to cancel noise that is induced into the input leads and to improve the high frequen cy response of the inputs For the best response possible do not use the extension leads P5205 Instruction Manual Operating Basics Figure 3 Twisting the input leads Extension Leads The extension leads allow you to reach widely spaced connection points Connect the extension leads to the input leads using the adapters provided Be sure to use both extension leads so that the input leads are the same length The extension leads however do affect the high frequency performance of the probe With longer lead length differential noise induced into the input leads is greater Also because of the added inductance of the leads voltage measurements at frequencies above approximately 10 MHz may not be as precise Figure 4 on page 14 shows the effect on HF transient response The extension leads do not affect the performance of the probe when bandwidth is set
15. d 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 Use Care When Servicing with Power On Dangerous voltages or currents may exist in this product Disconnect power remove battery if applicable and disconnect test leads before removing protective panels soldering or replacing components To avoid electric shock do not touch exposed connections P5205 Instruction Manual vii Service Safety Summary Environmental Considerations This section provides information about the environmental impact of the product Product End of Life Handling Observe the following guidelines when recycling an instrument or component Equipment Recycling Production of this equipment required the extraction and use of natural resources The equipment may contain substances that could be harmful to the environment or human health if improperly handled at the product s end of life In order to avoid release of such substances into the environment and to reduce the use of natural resources we encourage you to recycle this product in an appropriate system that will ensure that most of the materials are reused or recycled appropriately The symbol shown to the left indicates that this product compli
16. e compensation box cover Packaging For Return Shipment If possible use the original packaging to return the probe to Tektronix Include the following information name of purchaser return address name and phone number of a person that Tektronix may contact date of purchase and a description of the defect If the original packaging is unfit for use or not available use the following packaging guidelines 1 Selecta sturdy shipping carton that has inside dimensions at least one inch greater than the probe dimensions 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 Seal the carton with shipping tape P5205 Instruction Manual 25 Maintenance 26 P5205 Instruction Manual The following servicing instructions are for use only by qualified personnel To avoid injury do not perform any servicing other than that stated in the operating instructions unless you are qualified to do so Refer to all safety summaries before performing any service AN AAA AA 0 0 A 3 A 0 0 A N E A AE AVA A A eWw xGw O Performance Verification The following procedure verifies the warranted electrical characteris tics of the High Voltage Differential Probe Table 7 itemizes the equipment required provides an example or part number of the equipment and explains the purpose of the equipment Table 7 List of equipment required
17. e soft case protects the probe and allows you to hang the probe near the point of measurement Install or remove the case by opening the access doors on the back When not in use coil the leads and secure them with the strap on the back Use one of the loops to hang the probe on a storage hook or utility belt Color Marker Bands When you are using more than one probe the bands enable you to quickly distinguish between probes and the channels they are connected to To use the marker bands attach one band near the probe head and the matching band near the compensa tion box P5205 Instruction Manual 5 Getting Started Installation Install the P5205 probe as follows 1 Connect the output of the probe to the TEKPROBE input of the oscilloscope or other measurement instrument The measurement instrument input must have a ground reference NOTE Use the 1103 TEKPROBE Power supply if the instrument does not have the TEKPROBE interface 2 Select the proper range setting For higher resolution and less noise when measuring signals below 130 V switch the attenua tion to 50X If the overrange indicator lights or flashes the output signal may not be accurate Use the 500X setting instead 3 The probe output is adjusted to zero at the factory Adjust the probe output to zero only if you need to measure small differen tial voltages Follow steps a and b to make the adjustment a Letthe probe warm up for at least 20
18. ensions Output Cable 6 ft 1 8 m Unit Weight probe only 11 oz 315 g Shipping Weight with accessories 3 Ib 2 oz 1 42 kg P5205 Instruction Manual 19 Specifications 10M 100 k Impedance Z gt _ gt 100 1 10 100 1k 10k 100k 1M 10M 100 M Frequency Hz Figure 6 Input Impedance verses frequency Nominal Characteristics Nominal characteristics in Table 6 describe guaranteed traits but the traits do not have tolerance limits Table 6 Nominal electrical characteristics Characteristic Description Input Type Balanced differential Output Type Single ended Source Impedance of 50 9 drives 1 MQ oscilloscope input Load impedance must be greater than 50 kQ for stated accuracy Gain Switchable 1 50 50X and 1 500 500X Audible Overrange Audible over range sounds whenever ON and over range LED is lit 20 P5205 Instruction Manual EY SS Maintenance Refer to this section for information about maintaining and servicing the High Voltage Differential Probe For terms of the product warranty refer to the front of this manual Should the probe require replacement under terms of the warranty return the probe to a Tektronix service center Refer to page 25 for packaging instructions For a list of replaceable parts refer to the Replaceable Parts section on page 35 For further assistance refer to Contacting Tektronix at the front of the manual on the copyright page
19. es with the European Union s requirements according to Directive 2002 96 EC on waste electrical and electronic equipment WEEE For information about recycling options check the Support Service section of the zzz Tektronix Web site www tektronix com Restriction of Hazardous Substances This product has been classified as Monitoring and Control equipment and is outside the scope of the 2002 95 EC RoHS Directive This product is known to contain lead cadmium mercury and hexavalent chromium viii P5205 Instruction Manual m Getting Started This section describes the High Voltage Differential Probe and gives instructions on how to install and functionally test the probe Features and Accessories The P5205 probe shown in Figure 1 provides a safe means of measuring circuits with floating high voltages The probe outputs a low voltage ground referenced signal for display on instruments with the TEKPROBE interface or any oscilloscope or other measurement instrument when used with the Tektronix 1103 TEKPROBE power supply To protect you from RF and high voltage the case of the probe is nonconductive internally shielded and isolated The internal shield connects to earth ground through the output lead The case of the probe and control buttons are isolated and double insulated This protection extends up to the full input rating of the probe The accessories supplied with the probe meet the same safety standards as the probe
20. h ground and a maximum difference of 1 300 V DC peak AC between the inputs NOTE The input safety ratings are valid for both attenuation range settings However for useful measurements the input should be kept to the operating limits of the selected attenuation range of 130 V up to 1 300 V DC peak AC N 500x 50X O OVERRANGE N oN OFF HF FULL 5MHz P5205 Instruction Manual Attenuation Range In the raised position the range button sets the attenuation to 500X In the lowered position the range button sets the attenuation to 50X Use the 500X position for measurements up to a maximum of 1 300 V DC peak AO differential Use the 50X position for better signal resolution on connections below 130 V DC peak AO Overrange Indicator The overrange indicator lights red if the voltage of the input signal exceeds the linear operating range of the probe When this happens the signal on the probe output does not accurately represent the signal on the probe input Audible Overrange In the raised position the overrange button sets the audible alarm to sound whenever the overrange indicator lights Bandwidth Select In the raised position the bandwidth button sets the full bandwidth 100 MHz minimum In the lowered position the bandwidth is restricted to approximately 5 MHz Getting Started Input Leads The input leads of the differential probe connect to the crocodile clips and plunger clamps t
21. hat come with the probe The connectors are 4 mm insulated banana plugs and are double insulated for safety NOTE Use only accessories that are rated to the maximum input voltage of the P5205 probe Extension Leads and Adapters To measure the potential between widely separated points connect the extension leads to the input leads with the supplied adapters Use both extension leads to minimize distortion caused by mismatched lead length NOTE Above 10 MHz the extension leads degrade the high frequency performance of the P5205 probe See Figure 4 on page 14 Plunger Clamps The plunger clamps have long sleeves with retracting hooks These clamps connect safely to recessed test points that are otherwise difficult to reach The connectors are double insulated for safety Crocodile Clips The large insulated clips connect easily to large bolts or bus bars The connectors are double insulated for safety TEKPROBE Interface The TEKPROBE interface provides power signal and probe characteristic data transfer If your oscilloscope does not support the TEKPROBE interface you can use the optional 1103 probe power supply as an effective interface Contact your local Tektronix representative for more information P5205 Instruction Manual Getting Started Zero Adjust The zero adjust allows you to set the probe output to the zero reference point prior to making measurements Use the adjustment tool provided Soft Case Th
22. he performance of the probe Operating Limits The P5205 probe has two operating ranges that you select with the ATTENUATION button on the front panel m Select the 50X range for inputs of 0 V to 130 V DC peak AC m Select the 500X range for inputs of 130 V to 1300 V DC peak AC P5205 Instruction Manual 11 Operating Basics 12 Both ranges are rated for the maximum input limits but you can obtain a useful measurement only if the voltage you apply is within the specified limits of the operating range Overrange Detection Differential voltage outside the operating range will overdrive the circuitry of the probe and distort the output signal When this differential overrange occurs the probe detects the condition and lights the overrange indicator With the Audible Overrange ON the probe will also emit an audible alarm Common mode voltage greater than 1 000 Vrms can distort the output signal but the probe will not indicate an overrange condition Common Mode Rejection The common mode rejection ratio CMRR is the specified ability of P5205 probe to reject signals that are common to both inputs More precisely CMRR is the ratio of the differential gain to the common mode gain The higher the ratio the greater the ability of probe to reject common mode signals For exact specifications see pages 16 and 18 Common mode rejection decreases as the input frequency increases Figure 5 on page 19 is a plot of typi
23. igure 4 HF transient response with and without extension leads Figure 5 Typical common mode rejection ratio 50X attenuation Figure 6 Input Impedance verses frequency Figure 7 Replacing TEKPROBE interface pins Figure 8 Replacing the TEKPROBE collar Figure 9 Removing the compensation box covers Figure 10 Replacing the compensation box cover Figure 11 BNC male to dual binding post adapter Figure 12 Removing plastic covers from binding posts Figure 13 Slide probe leads onto the binding posts Figure 14 P5205 Probe and replaceable accessories Figure 15 Replaceable parts compensation box Figure 16 P5205 optional accessories P5205 Instruction Manual 11 13 14 19 20 22 23 24 25 28 29 31 37 39 40 Table of Contents List of Tables Table 1 Functional check 7 Table 2 Warranted electrical characteristics 16 Table 3 Certifications and compliances 17 Table 4 Typical electrical characteristics 18 Table 5 Typical mechanical characteristics 19 Table 6 Nominal electrical characteristics 20 Table 7 List of equipment required 27 Table 8 Parts List Column Descriptions 36 iv P5205 Instruction Manual m a General Safety Summary Review the follow
24. illoscope m Connect coaxial cable between TRIG OUT of the generator rear of Wavetek 9100 and channel 2 of the oscilloscope 2 Set the volts division on channel 1 of the oscilloscope to 50 mV div 3 Set the seconds div to 200 us and the acquisition mode to average 32 4 Connect the coaxial cable from SIG OUT of the generator rear of Wavetek 9100 to channel 1 of the oscilloscope 5 Set the generator to 0 1 V and 1 kHz AUX square wave 1 MQ load Enable the output 6 Select the amplitude measurement on the oscilloscope and record the DC amplitude 100 mV of square wave This measurement represents only the oscilloscope accuracy not the probe accuracy 7 Disable the generator output Disconnect the coaxial cable from channel 1 of the oscilloscope and SIG OUT of the generator 8 Connect the output of the probe to channel 1 of the oscilloscope 9 Attach the Modified BNC adapter to the SIG OUT of the generator P5205 Instruction Manual Performance Verification 10 Attach the differential probe input leads without attachment accessories by sliding the banana plug of the leads onto the binding posts metal sleeves on the Modified BNC adapter see Figure 13 Modified BNC adapter Post Post Pa Banana plug of probe input lead Figure 13 Slide probe leads onto the binding posts output is disabled before modifying disconnecting test setup or connections since exposed metal may at a haza
25. ing safety precautions 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 Observe Maximum Working Voltage Do not use the P5205 above 1 000 Vrms CAT II from ground on either input or 1 300 V DC peak AC between the leads To Avoid Fire or Personal Injury Avoid RF Burns While Handling Probe To avoid RF burns do not handle the probe while the input leads are connected to circuits above the voltage and frequency limits specified in Figure 2 on page 11 Use only probe accessories that are rated for the application Connect and Disconnect Properly Connect the probe output to the measurement instrument before connecting the probe to the circuit under test Disconnect the probe input and the probe ground from the circuit under test before disconnecting the probe from the measure ment instrument 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 markings on the product Consult the product manual for further ratings information befo
26. is recommended that the generator output amplitude be reduced to minimum prior to disabling the output N WARNING To reduce the risk of electric shock ensure the generator 2 Attach the differential probe input leads without attachment accessories by sliding the banana plug of the leads onto the binding posts metal sleeves on the Modified BNC adapter see Figure 13 on page 31 3 Set the bandwidth on the probe to FULL and the attenuation button to 50X 4 Set the Volts Division on channel 1 of the oscilloscope to 500 mV and sec div to 20 us Set the trace to the center of the oscilloscope 5 Reduce the amplitude on the generator to minimum then enable the output 6 Set the sine wave generator to 50 kHz and adjust the amplitude to 3 00 V as measured on the oscilloscope 32 P5205 Instruction Manual Performance Verification 7 8 DC CMRR 1 2 Set the generator to 100 MHz and set the oscilloscope to 5 ns division Check for 2 1 V amplitude Disconnect the setup Set the attenuation of the probe to 50X Set the oscilloscope input coupling to DC the vertical to 50 mV div and the seconds div to 200 us Center the trace on the display Set the acquisition mode to average 32 Attach the BNC female to dual banana adapter to the DC output of the generator front of Wavetek 9100 Attach the modified BNC adapter to the BNC female to dual banana adapter Attach the plunger clamps on the differenti
27. k of RF Burn probe leads WARNING To avoid personal injury do not handle the probe leads when the leads are connected to a source that is above the voltage and frequency limits given in Figure 2 on page 11 The area above these limits poses a risk of radio frequency RF burns If you need to use the probe within the risk area for RF burn power down the source before connecting or disconnecting the probe leads Maximum Input Limits CAUTION To avoid damaging the input circuitry of the P5205 probe do not apply a voltage that is more than 1 000 Vrms CAT II between either input and ground or more than 1 300 V DC peak AC between the two inputs Above 3 MHz the voltage limit decreases as frequency increases See Figure 2 on page 11 The input limit applies to both the 50X and 500X settings P5205 Instruction Manual Operating Basics Category Il maximum RF burn risk area voltage limit 1 000 V shaded Voltage derating with frequency 1000 V 500 V Voltage RMS 100 V 50 V DCor0 100k 500k 1M 5M 10M 50M 100M Frequency Hz Figure 2 Safety limits voltage between either input and earth ground Operating Characteristics and Probing Techniques This section explains the operating characteristics of the High Voltage Differential Probe along with techniques you can use to maximize t
28. k procedure Getting Started 8 P5205 Instruction Manual s f Operating Basics A To help you use the High Voltage Differential Probe safely and effectively this section provides important information about safety limits operating characteristics and probing techniques WARNING Due to the inherent hazards associated with taking high voltage measurements the product is intended for use by qualified personnel who have had the training to make these types of measurements Read and follow the precautions specified in this manual Before you make any oscilloscope measurement observe all safety precautions described in the user and service manuals for the equipment you are working on Some general rules about using and servicing electrical equipment are worth repeating here m Observe the safety instruction symbols for the equipment you are working on m Consultthe instruction or service manuals for the equipment you are working on m Don t operate or service an electrical device in an explosive atmosphere m Avoid personal injury by never touching exposed connections or components in the circuit under test when the power is on Operating the Probe Safely P5205 Instruction Manual Before connecting the inputs of the probe to a circuit read the safety information in this section and attach the appropriate accessories to the input connectors of the probe Operating Basics A 10 Minimizing Ris
29. ned to like new performance All replaced parts modules and products become the property of Tektronix 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 shipping charges prepaid and with a copy of customer proof of purchase 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
30. nic equipment Do not operate in environments where conductive pollutants may be present P5205 Instruction Manual 17 Specifications Typical Characteristics Typical characteristics in Tables 4 and 5 describe typical but not guaranteed performance Table 4 Typical electrical characteristics Characteristic Rise Time Bandwidth Limit AC Common Mode Rejection Ratio 20 30 C lt 70 RH See Figure 5 on page 19 Description 3 5 ns 5 MHz 60 Hz gt 10 000 1 100 kHz gt 300 1 100 MHz gt 300 1 AC Noise referenced to input 50X lt 50 mVams 500X lt 300 mVams Input Impedance Propagation Delay Overdrive Recovery 8 MQ 3 5 pF between inputs 4 MQ 7 pF between each input and ground See Figure 6 17nS lt 50 ns to 10 of final value after 10X overdrive 50X range only Zero Adjust 18 50X 0 5 V 500X 5 V P5205 Instruction Manual Specifications 40 dB 50 dB 60 dB 70 dB 80 dB 90 dB 1 Hz 10 Hz 100 Hz 1 kHz 10 kHz 100 kHz 1 MHz Frequency Figure 5 Typical common mode rejection ratio 50X attenuation Table 5 Typical mechanical characteristics Characteristic Description Dimensions Case 7 2 in x 2 6 in x 1 3 in 185 mm x 66 mm x 32 mm Dimensions Input Leads 12 in 30 cm Dim
31. quoossiq esANdajjyy 1 qQUNN Hed ONIBH9S oNIeH 9S Xlu01MN91 S l10SS925V jeuondo S l10SS922B jeuondo S0ZSd 94 9 nB j F 91L 1J quinN x pul 9 by P5205 Instruction Manual 40 Replaceable Parts 02026 HO 3TIIANOSTIA JAC H31N3O9 AVNOIHVd MS 00092 ONI SOILSYId NOISIA S9SZML 00S XO Od 1000 22026 HO NO1H3AV38 YC NAVY THY MS 0SIr ONI XINOHDI31 60008 vi byy HO dNV IA319 1s LSLE 1SV3 894 09 O9lH19313 H3TI3nW SrS9Z 0F 80220 WW OHO831LIV 1S 8WOON3N HS ONI OO NOTAd 6S 84 apo4 diz 94S I ss ppy Jaunyoesynue y apo IN X pul sso19 S131Nejnue jy 41 P5205 Instruction Manual Replaceable Parts 42 P5205 Instruction Manual
32. rdous potential It is recommended that the generator output amplitude be reduced to minimum prior to disabling the output 0 WARNING To reduce the risk of electric shock ensure the generator 11 Set the probe to 500X out Set the generator for a 100 V and 1 kHz standard amplitude output AUX square wave 1 MQ load 12 Reduce the amplitude on the generator to minimum and then enable the output 13 Adjust the zero offset on the compensation box of the probe for zero Offset 14 Record the DC amplitude of the square wave 100 V and divide 1 1000 of this into the amplitude of the oscilloscope recorded in step 6 Verify that the probe gain accuracy is 3 P5205 Instruction Manual 31 Performance Verification 15 Set the calibration generator for 10 V output Set the attenuation button on the probe to 50X in 16 Record the DC amplitude of the square wave 10 V and divide 1 100 of this into the amplitude of the oscilloscope recorded in step 6 Verify that the probe gain accuracy is 3 17 Reduce the amplitude on the generator to minimum and then disable the generator output leaving the setup connected for the next procedure Bandwidth 1 Connect the Modified BNC adapter through a 50 Q terminator to the leveled sine wave output of the generator AUX Sine 50 Q load output is disabled before modifying disconnecting test setup or connections since exposed metal may at a hazardous potential It
33. re making connections to the product 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 P5205 Instruction Manual v General Safety Summary Do Not Operate in Wet Damp Conditions Do Not Operate in an Explosive Atmosphere Keep Product Surfaces Clean and Dry Safety Terms and Symbols Terms in This Manual These terms may appear in this manual AN WARNING Warning statements identify conditions or practices that could result in injury or loss of life AN 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 These symbols may appear on the product A A a CAUTION WARNING Double Protective Ground Refer to Manual High Voltage Insulated Earth Terminal vi P5205 Instruction Manual m oParncoaO Service Safety Summary Only qualified personnel shoul
34. to 5 MHz P5205 Instruction Manual 13 Operating Basics With extension leads Without extension leads 250 mv div 250 mv div 50 ns div 50 ns div Figure 4 HF transient response with and without extension leads 14 Probe Loading When you touch your probe tip to a circuit element you are introducing a new resistance capacitance and inductance into the circuit Frequency and impedance of the source determine how much the probe loads the circuit you are measuring As the frequency of the source starts to increase beyond 1 kHz the input impedance of the probe begins to decrease The lower the impedance of the probe relative to that of the source the more the probe loads the circuit under test For a graph of frequency versus input impedance refer to Figure 6 on page 20 The probe has virtually no loading effect on sources with relatively low impedance and low frequency P5205 Instruction Manual m Specifications The specifications in Tables 2 through 6 apply to a P5205 probe installed on a Tektronix TDS 460A oscilloscope When the probe is used with another oscilloscope the oscilloscope must follow these specifications m An input impedance of 1 MQ m An input capacitance range of between 15 and 20 pF m A bandwidth greater than 400 MHz The probe must have a warm up period of at least 20 minutes and be in an environment that does not exceed
35. uction Manual Specifications Table 3 Certifications and compliances Characteristic EC Declaration of Conformity Low Voltage Description Compliance was demonstrated to the following specification as listed in the Official Journal of the European Communities Low Voltage Directive 73 23JEEC as amended by 93 68 EEC EN 61010 1 A2 1995 Safety requirements for electrical equipment for measurement control and laboratory use EN 61010 2 031 1994 Particular requirements for hand held probe assemblies for electrical measurement and test equipment Approvals Installation Category Descriptions Pollution Degree 2 UL3111 1 Standard for electrical measuring and test equipment IEC 10106 2 031 Particular requirements for hand held probe assemblies for electrical measurement and test CAN CSA C22 2 No 1010 1 92 and CAN CSA C22 2 No 1010 2 031 94 Safety requirements for electrical equipment for measurement control and laboratory use 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 electro
36. ull the interface collar off To replace the collar note the pin configuration on the compensation box and their holes in the interface collar The group of three pins fit through the smaller of the two holes in the interface collar See Figure 8 Align the tab to the slot and gently press the two pieces together See Figure 8 Once installed the TEKPROBE collar should rotate freely to lock and unlock O Figure 8 Replacing the TEKPROBE collar P5205 Instruction Manual 23 Maintenance 24 Removing the Compensation Box Covers To open the compensation box follow these steps 1 Press the optional release tool pins into the compensation box cover catches and gently lift the cover off a small distance Refer to Figure 9 Hold the open edge apart and use the tool to open the other side of the compensation box With both sides of the box open gently separate the two halves of the compensation box catches Figure 9 Removing the compensation box covers Replacing the Compensation Box Covers To replace the covers follow these steps 1 Align the TEKPROBE interface and the strain relief notches with the tabs on the cover Refer to Figure 10 on page 25 Press the catches of the bottom cover in and lower the top cover Slide the tab into the notch Firmly press the pieces together until the cover catches snap into place P5205 Instruction Manual Maintenance Figure 10 Replacing th
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