Tektronix P5120 200 MHz Passive High-Voltage Probe Primary User

Instructions

P5120
200 MHz Passive High-Voltage Probe

071-1463-00

www.tektronix.com

*P071146300*

071146300

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, TEKPROBE are registered trademarks of
Tektronix, Inc.

WARRANTY

P5120 Probe

Tektronix warrants that the product listed above 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 any such 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 reconditioned 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 time or difficulty of servicing the product.

WARRANTY (Continued)

P5120 Probe

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.

Table of Contents

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

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

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

Maximum Nondestructive Input Voltage 5.................

Reference Lead Length 5...............................

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

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

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

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

Performance Verification 15............................

Maintenance 17.......................................

Cleaning Instructions 17.................................

Customer Support 17...................................

Preparation for Shipment 18..............................

Specifications 19......................................

Replaceable Parts 25...................................

P5120 High-Voltage Probe Instructions

i

Table of Contents

List of Figures

Figure 1: Waveform distortion from reference 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 10.................

Figure 7: HF compensation setup 11.......................

Figure 8: HF compensation adjustments 12..................

Figure 9: HF compensation regions of fast rise signal 12.......

Figure 10: Bandwidth test setup 16........................

Figure 11: Maximum voltage derating curves

(V

RMS

Figure 12: Typical input impedance 21.....................

Figure 13: Typical input phase 22.........................

Figure 14: P5120 replaceable parts 25......................

List of Tables

, DC coupled) 20..............................

Table 1: Required test equipment 15.......................

Table 2: Warranted electrical specifications 19...............

Table 3: Typical electrical characteristics 21................

Table 4: Typical mechanical characteristics 23...............

Table 5: Environmental specifications 23...................

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P5120 High-Voltage Probe Instructions

General Safety Summary

Review the following 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.

WARNING. Only qualified personnel should perform service
procedures

To Avoid Fire or Personal Injury

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 reference lead
from the circuit under test before disconnecti ng the probe from the
measurement instrument.

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 before making connections to the product.

Avoid Electric Overload. To avoid injury or fire hazard, do not apply

potential to any input, including the reference inputs, that varies
from ground by more than the maximum rating for that input.

Avoid Exposed Circuitry. Do not touch exposed connections and

components when power is present.

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.

Floating. Do not float the probe reference lead to > 600 V

or > 300 V

Do Not Operate in Wet/Damp Conditions.

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.

P5120 High-Voltage Probe Instructions

RMS

CAT III.

RMS

CAT II

iii

General Safety Summary

Inspect Probe. Before use, inspect probe for damage and do not use if

damaged.

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 17.

Safety Terms and Symbols

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. These symbols may appear on the product:

iv

P5120 High-Voltage Probe Instructions

General Safety Summary

DANGER

High Voltage

Protective Ground

(Earth) Terminal

ATTENTION

Refer to Manual

Double

Insulated

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

P5120 High-Voltage Probe Instructions

v

General Safety Summary

vi

P5120 High-Voltage Probe Instructions

Contacting Tektronix

Phone [phone]*

Address Tektronix, Inc.

Department or name (if known)
14200 SW Karl Braun Dri ve
P.O. Box 500
Beaverton, OR 97077
USA

Web site www.tektronix.com

Contacting Tektronix

Sales
support

Service
support

Technical
support

* 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.

1-800-833-9200, select option 1*

1-800-833-9200, select option 2*

Email: [e-mail]

1-800-833-9200, select option 3*

6:00 a.m. -- 5:00 p.m. Pacific time

P5120 High-Voltage Probe Instructions

vii

Contacting Tektronix

viii

P5120 High-Voltage Probe Instructions