Tektronix TCP0020 Manual de usuario

TCP0020 & TCP2020

50 MHz, 20 Amp AC/DC Current Probes

ZZZ

Instruction Manual

*P071300200*

071-3002-00

TCP0020 & TCP2020

50 MHz, 20 Amp AC/DC Current Probes

ZZZ

Instruction Manual

Revision A

www.tektronix.com

071-3002-00

national copyright laws and international treaty provisions.

Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supersedes 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.

14150 SW Karl Braun Drive

P.O. Box 500

Beaverton, OR 97077

USA

For product information, sales, service, and technical support:

In North America, call 1-800-833-9200.

Worldwide, visit www.tektronix.com to ﬁnd contacts in your area.

Warranty

Tektronix warrants that this product will be free from defects in materials and workmanship for a period of one (1) year from the date of shipment. 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. 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, 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 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.

[W2 – 15AUG04]

Table of Contents

General safety summary .................................................................................................................... v

Service safety summary.................................................................................................................... ix

Compliance Information..................................................................................................................... x

EMC Compliance ...................................................................................................................... x

Certiﬁcations and Compliances ..................................................................................................... xii

Environmental Considerations....................................................................................................... xv

Preface.................................................................................................................................... xvii

Documentation...................................................................................................................... xvii

Conventions Used in This Manual.................................................................................................. xvii

Returning the Probe for Servicing.................................................................................................. xviii

Key Features ............................................................................................................................... 1

Installation .................................................................................................................................. 3

Degaussing the Probes. .. ............................................................................................................ 5

Controls and Indicators..................................................................................................................... 8

Probe Head ........................................................................................................................... 8

TCP0020 Probe ..................................................................................................................... 10

TCP2020 Probe...................................................................................................................... 20

20 A Current Probes Instruction Manual i

Table of Contents

Functional Check .......................................................................................................................... 24

Accessories and Options.................................................................................................................. 25

Standard Accessories ............................................................................................................... 26

Optional Accessories ................................................................................................................ 29

Options............................................................................................................................... 31

Basic Operation............................................................................................................................ 32

Probing Principles ......................................................................................................................... 34

Degaussing a Probe with an Unpowered Conductor in the Jaws .................................................................. 34

Measuring Differential Current....................................................................................................... 35

Extending Current Range............................................................................................................ 37

Increasing Sensitivity ................................................................................................................ 40

Common Mode Noise/Magnetic Field Errors........................................................................................ 41

AC and DC Coupling.................................................................................................................42

Maximum Current Limits............................................................................................................. 43

Application Examples...................................................................................................................... 47

Inductance Measurements .......................................................................................................... 48

Measuring Inductor Turns Count .................................................................................................... 51

Speciﬁcations.............................................................................................................................. 53

Warranted Characteristics........................................................................................................... 53

Typical Characteristics............................................................................................................... 54

Nominal Characteristics ............................................................................................................. 60

ii 20 A Current Probes Instruction Manual

Table of Contents

Performance Veriﬁcation .................................................................................................................. 61

Equipment Required................................................................................................................. 62

Making the DC Current Loop........................................................................................................ 63

Equipment Setup..................................................................................................................... 64

DC Gain Accuracy ................................................................................................................... 65

Rise Time and Bandwidth ........................................................................................................... 69

Test Record .......................................................................................................................... 71

Adjustments................................................................................................................................ 72

Prerequisites ......................................................................................................................... 72

DC Gain Accuracy ................................................................................................................... 73

Maintenance . .. ............................................................................................................................ 74

Troubleshooting...................................................................................................................... 74

Cleaning.............................................................................................................................. 76

Index

20 A Current Probes Instruction Manual iii

Table of Contents

iv 20 A Current Probes Instruction Manual

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