Tektronix P5102 User manual

P5102

100 MHz High-Voltage Probe

Instructions

070-9294-01

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.

Printed in the U.S.A.

Tektronix, Inc., P.O. Box 1000, Wilsonville, OR 97070–1000

TEKTRONIX, TEK, TekTools, and TekScope are registered trademarks of

Tektronix, Inc.

P5102 Instructions i

Table of Contents

General Safety Summary iii. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Features and Accessories 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating Basics 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Maximum Non-destructive Input Voltage 5. . . . . . . . . . . . . . . . .

Common Lead Length 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Probe Loading 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Adjustment Procedures 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

LF Compensation 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HF Compensation 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Performance Verification 13. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Maintenance 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cleaning Instructions 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Customer Support 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Preparation for Shipment 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Specifications 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Replaceable Parts 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Table of Contents

ii P5102 Instructions

List of Figures

Figure 1: Waveform Distortion from Common Lead Length 5. .

Figure 2: Probe Loading Equivalent Circuit 6. . . . . . . . . . . . . . .

Figure 3: LF Compensation Setup 7. . . . . . . . . . . . . . . . . . . . . . .

Figure 4: LF Compensation Adjustment 8. . . . . . . . . . . . . . . . . .

Figure 5: Signal Source Characteristics for HF Compensation 8.

Figure 6: Opening the Compensation Box 9. . . . . . . . . . . . . . . .

Figure 7: HF Compensation Setup 10. . . . . . . . . . . . . . . . . . . . . .

Figure 8: HF Compensation Adjustments 11. . . . . . . . . . . . . . . . .

Figure 9: HF Compensation Regions of Fast Rise Signal 12. . . . .

Figure 10: Bandwidth Test Setup 14. . . . . . . . . . . . . . . . . . . . . . .

Figure 11: Maximum Voltage Derating Curves

(VRMS, DC Coupled) 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Figure 12: Typical Input Impedance 19. . . . . . . . . . . . . . . . . . . . .

Figure 13: Typical Input Phase 20. . . . . . . . . . . . . . . . . . . . . . . . .

Figure 14: P5102 Replaceable Parts 22. . . . . . . . . . . . . . . . . . . . .

List of Tables

Table 1: Required Test Equipment 13. . . . . . . . . . . . . . . . . . . . . .

Table 2: Warranted Electrical Specifications 17. . . . . . . . . . . . . . .

Table 3: Typical Electrical Characteristics 19. . . . . . . . . . . . . . . .

Table 4: Typical Mechanical Characteristics 21. . . . . . . . . . . . . .

Table 5: Environmental Specifications 21. . . . . . . . . . . . . . . . . . .

P5102 Instructions iii

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 injury or fire hazard, do not apply

potential to any input, including the common inputs, that varies from

ground by more than the maximum rating for that input.

Avoid RF Burns While Handling Probe. To avoid RF burns, do not handle

the probe while the common lead is connected to circuits above the

voltage and frequency limits specified in Figure 11b on page 18.

Avoid Electric 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.

Do Not Operate Without Covers. To avoid electric shock or fire hazard,

do not operate this product with covers or panels removed.

Do Not Operate in an Explosive Atmosphere. To avoid injury or fire

hazard, do not operate this product in an explosive atmosphere.

Keep Probe Surface Clean and Dry. To avoid electric shock and

erroneous readings, keep probe surface clean and dry.

Product Damage Precautions

Do Not Operate With Suspected Failures. If you suspect there is damage

to this 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 on page 15.

Safety Terms and Symbols

Terms in This Manual. These terms may appear in this manual:

General Safety Summary

iv P5102 Instructions

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. These symbols may appear on the product:

ProtectiveGround

(Earth)Terminal ATTENTION

Refer to Manual Double

Insulated

DANGER

High Voltage

Certifications and Compliances

Compliances. Consult the product specifications for Overvoltage

Category and Safety Class.

Overvoltage Category. Overvoltage categories are defined as follows:

CAT III: Distribution level mains, fixed installation

CAT II: Local level mains, appliances, portable equipment

CAT I: Signal level, special equipment or parts of equipment,

telecommunication, electronics

P5102 Instructions 1

Features and Accessories

The P5102 is a high-voltage passive probe designed for use with

TekScope THS 700 series instruments. The probe features a floating

common and is ideal for measuring and troubleshooting power

supplies and high-voltage devices. The probe provides 10X

attenuation of signals up to 1000 VRMS and derated performance up

to 100 MHz. The P5102 probe is certified to international safety

standards.

The P5102 probe has features and accessories to make high-voltage

measurements safer and easier. Please take a moment to familiarize

yourself with these features and accessories and their uses.

WARNING. Do not substitute accessories from other products for

those provided with the P5102. The accessories for the P5102 have

been safety tested. The use of non-tested accessories may cause

injury.

P5102 Features and Standard Accessories

Probe

Common

6-32 Probe Tip

Finger

Guard Probe Body – The P5102 probe body is designed for personal

safety, ergonomic comfort, and signal fidelity.

The finger guard provides protection when the hook tips are not being

used. Keep your fingers behind the finger guard whenever possible to

reduce the risk of a shock from the circuit under test.

The probe tip is a 6–32 threaded post that accepts both standard and

optional accessories.

Keepthe probebodyand accessoriescleantoreducetheriskofshock

due to surface conduction.

Features and Accessories

2P5102 Instructions

P5102 Features and Standard Accessories (Cont.)

Compensation Box – The compensation box contains low- and

high-frequencycompensationadjustments.Thehigh-frequencyadjust-

ments are accessible by removing the compensation box cover. Refer

to Adjustments on page 7.

Adjustment Tool – Use the supplied adjustment tool for probe

compensation adjustments. Do not use metallic or conductive tools

while making adjustments.

Matching

Markers

Color Markers – The matching markers help you identify probe

inputs at a glance. Clip one marker near the probe head and the

matching marker near the compensation box as shown.

Small Hook Tip – Use the small hook tip for making connections to

small conductors such as component leads.

Install the small hook tip by sliding it over the body of the probe and

screwing it onto the threaded probe tip.

To use the tip, hold the probe body and pull the tip shield back. Hook

the tip onto the circuit and release the shield. The hook tip will firmly

hold the conductor under test.

Features and Accessories

P5102 Instructions 3

P5102 Features and Standard Accessories (Cont.)

Large Hook Tip – Use the large hook tip when working with larger

components such as bolt terminals and buss bars typically found in

power distribution equipment.

Install the large hook tip by sliding it over the body of the probe and

screwing it onto the threaded probe tip.

Tousethetip,holdtheprobebodyandpullthetipshieldback.Hookthe

tipontothecircuitandreleasetheshield.Thehooktipwillfirmlyholdthe

conductor under test.

Common Leads – The P5102 probe comes with a long and a short

floating common lead. Both common leads connect to a removable

crocodile clip.

Attachthe common leadto theprobe bodyby insertingtheprobe head

into common lead as shown.

The length of the common lead directly impacts the fidelity of high-fre-

quency signals. The longer the common lead, the more the signal will

be distorted. For more information about the common lead and signal

quality, go to page 5.

Crocodile Clip – The large crocodile clip attaches to the insulated

banana connector on the common leads.

WARNING. For safe electrical connections, use the crocodile clip

provided. Do not attempt to substitute the crocodile clip with any

other accessory.

Features and Accessories

4P5102 Instructions

P5102 Optional Accessories

Probe Tip Extender (P6000) – Use the probe tip extender to con-

nectthe probeto largertest socketslocatedinequipmentoronprinted

circuit boards.

Connect the probe tip extender by screwing it onto the threaded

probe tip.

Ground

Clip

Probe

Common

Probe-to-BNC Adapter – Use the probe-to-BNC adapter to

connect the probe directly to BNC connectors. The adapter is

recommended for use when verifying or adjusting the probe.

Attach the adapter by pressing it onto the 6-32 probe tip and making

sure that the ground clip makes contact with the probe common.

WARNING. Do not connect the adapter to a floating or high-voltage

source. The BNC adapter is only rated to 500 V (DC + peak AC)

with the probe common connected to earth ground.

Table of contents

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