Tektronix A6303 Manual de usuario

Instructions

A6303 & A6303XL

100 Amp AC/DC Current Probe

070-3906-03

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.

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 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 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 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.

Service Assurance

If you have not already purchased Service Assurance for this product, you may do so at any time during the product’s

warranty period. Service Assurance provides Repair Protection and Calibration Services to meet your needs.

Repair Protection extends priority repair services beyond the product’s warranty period; you may purchase up to three

years of Repair Protection.

Calibration Services provide annual calibration of your product, standards compliance and required audit documentation,

recall assurance, and reminder notification of scheduled calibration. Coverage begins upon registration; you may purchase

up to five years of Calibration Services.

Service Assurance Advantages

Priced well below the cost of a single repair or calibration

Avoid delays for service by eliminating the need for separate purchase authorizations from your company

Eliminates unexpected service expenses

For Information and Ordering

For more information or to order Service Assurance, contact your Tektronix representative and provide the information

below. Service Assurance may not be available in locations outside the United States of America.

Name VISA or Master Card number and expiration

Company date or purchase order number

Address Repair Protection (1,2, or 3 years)

City, State, Postal code Calibration Services (1,2,3,4, or 5 years)

Country Instrument model and serial number

Phone Instrument purchase date

A6303 & A6303XL Instructions i

Table of Contents

General Safety Summary ii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Service Safety Summary iv. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Getting Started 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Probe Installation 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating the Current Probe Slide 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Degaussing and Autobalancing the Current Probe 3. . . . . . . . . . . . . . . . . . . . . . .

Why Degauss the Current Probe? 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Maximum Current Limits 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Specifications 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Maintenance 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cleaning 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Disassembly Instructions 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Obtaining Replacement Parts 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Preparation for Shipment 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Replaceable Parts List 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Parts Ordering Information 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Using the Replaceable Parts List 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ii A6303 & A6303XL 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.

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/DampConditions.

Do Not Operate in an Explosive Atmosphere.

Keep Product Surfaces Clean and Dry.

To Avoid Fire or

Personal Injury

General Safety Summary

A6303 & A6303XL Instructions iii

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:

ProtectiveGround

(Earth)Terminal CAUTION

Refer to Manual Double

Insulated

WARNING

High Voltage

Symbols and Terms

iv A6303 & A6303XL Instructions

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.

A6303 & A6303XL Instructions 1

Getting Started

This section covers the installation and operation of the A6303 & 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

measure 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-TEK-WIDE (1-800-835-9433). If you are outside the United States or

Canada, please contact your nearest Tektronix Service Center.

Probe Installation

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.

Getting Started

2A6303 & A6303XL Instructions

Amplifier

Current Probe Connector

Amplifier Groove

Current Probe

Connector

Push connector in

and twist to lock

(a) Align the Tab With the Connector Slot (b) Insert the Connector Into the Amplifier

Alignment Dot

Slot

Tab

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.

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