Associated Research 3030D Manuale operativo

OPERATION AND SERVICE MANUAL

HYAMP



jr.

MODEL 3030D GROUND BOND TESTER

SERIAL NUMBER

Model

3030D

©Associated Research, Inc., 2002

13860 West Laurel Drive

Lake Forest, Illinois, 60045-4546

U.S.A.

Item 37952 Ver 1.06 Printed Jan 25, 2002

5 YEAR WARRANTY POLICY

Associated Research, Inc., certifies that the instrument listed in this manual meets or

exceeds published manufacturing specifications. This instrument was calibrated using

standards that are traceable to the National Institute of Standards and Technology (NIST).

Your new instrument is warranted to be free from defects in workmanship and material for

a period of (1) year from date of shipment. Options and accessories that are external to the

instrument are warranted for a period of (90) days from the date of shipment. You must

return the “Owners Registration Card” provided within (15) days from receipt of your

instrument.

AR recommends that your instrument be calibrated on a twelve-month cycle. Instruments

purchased and used in North America only, may have their warranty extended in one-year

increments to a maximum of (5) years provided they are returned to AR at least annually

for calibration and inspection. The annual calibration and inspection must be performed

annually each and every year following receipt of instrument. Any instrument not

calibrated and inspected annually will not be eligible for extended warranty status. This

extended warranty is non-transferable and is offered only to the original purchaser.

A return material authorization (RMA) must be obtained from AR before returning this

instrument for warranty service. Please contact our Customer Support Center at 1-800-

858-TEST (8378) to obtain an RMA number. It is important that the instrument is packed

in its original container for safe transport. If the original container in not available please

contact our customer support center for proper instructions on packaging. Damages

sustained as a result of improper packaging will not be honored. Transportation costs for

the return of an instrument for warranty service must be prepaid by the customer. AR will

assume the return freight costs when returning the instrument to the customer during the

first year of ownership. All freight charges after the first year are the customer’s

responsibility. The return method will be at the discretion of Associated Research.

Except as provided herein, Associated Research makes no warranties to the purchaser of

this instrument and all other warranties, express or implied (including, without limitation,

merchantability or fitness for a particular purpose) are hereby excluded, disclaimed and

waived.

Any non-authorized modifications, tampering or physical damage will void your warranty.

Elimination of any connections in the earth grounding system or bypassing any safety

systems will void this warranty. This warranty does not cover batteries or accessories not

of Associated Research manufacture. Parts used must be parts that are recommended by

AR as an acceptable specified part. Use of non-authorized parts in the repair of this

instrument will void the warranty.

iii

TABLE OF CONTENTS

SECTION I OPERATORS MANUAL............................................................................1

SAFETY...........................................................................................................................2

INTRODUCTION............................................................................................................5

SPECIFICATIONS...........................................................................................................8

CONTROLS...................................................................................................................12

INSTALLATION ...........................................................................................................15

QUICK

START..............................................................................................................18

OPERATION..................................................................................................................22

OPTIONS .......................................................................................................................32

SECTION II SERVICE MANUAL................................................................................35

CALIBRATION .............................................................................................................36

PARTS

LIST...................................................................................................................38

SCHEMATICS...............................................................................................................39

SECTION 1

OPERATORS MANUAL

SAFETY

SAFETY PRECAUTIONS

GENERAL:

This product and its related documentation must be reviewed for familiarization with

safety markings and instructions before operation.

This product is a Safety Class I instrument (provided with a protective earth terminal).

Before applying power verify that the instrument is set to the correct line voltage (115 or

230) and the correct fuse is installed.

INSTRUCTION MANUAL SYMBOL. PLEASE REFER TO THE

INSTRUCTION MANUAL FOR SPECIFIC WARNING OR

CAUTION INFORMATION TO AVOID PERSONAL INJURY

OR DAMAGE TO THE PRODUCT

INDICATES HAZARDOUS VOLTAGES MAY BE PRESENT.

CHASSIS GROUND SYMBOL.

CALLS ATTENTION TO A PROCEDURE, PRACTICE, OR

CONDITION, THAT COULD POSSIBLY CAUSE BODILY

INJURY OR DEATH.

CALLS ATTENTION TO A PROCEDURE, PRACTICE, OR

CONDITION THAT COULD POSSIBLY CAUSE DAMAGE TO

EQUIPMENT OR PERMANENT LOSS OF DATA.

WARNING

CAUTION

SAFETY

SERVICE AND MAINTENANCE

User Service

To prevent electric shock do not remove the instrument cover. There are no user

serviceable parts inside. Routine maintenance or cleaning of internal parts is not

necessary. Any external cleaning should be done with a clean dry or slightly damp cloth.

Avoid the use of cleaning agents or chemicals to prevent any foreign liquid from entering

the cabinet through ventilation holes or damaging controls and switches, also some

chemicals may damage plastic parts or lettering. Schematics, when provided, are for

reference only. Any replacement cables and high voltage components should be acquired

directly from Associated Research, Inc. Refer servicing to an Associated Research, Inc.

authorized service center.

ASSOCIATED RESEARCH, INC.

13860 WEST LAUREL DRIVE

LAKE FOREST, IL 60045-4546 U.S.A.

!PHONE: 1 (847) 367-4077

1 (800) 858-TEST (8378)

FAX: 1 (847) 367-4080

E-MAIL :

info@asresearch.com

www.asresearch.com

Service Interval

The instrument and its power cord, test leads, and accessories must be returned at least

once a year to an Associated Research authorized service center for calibration and

inspection of safety related components. Associated Research will not be held liable for

injuries suffered if the instrument is not returned for its annual safety check and

maintained properly.

User Modifications

Unauthorized user modifications will void your warranty. Associated Research will not

be responsible for any injuries sustained due to unauthorized equipment modifications or

use of parts not specified by Associated Research. Instruments returned to Associated

Research with unsafe modifications will be returned to their original operating condition

at your expense.

TEST STATION

Location

Select an area away from the main stream of activity which employees do not walk

through in performing their normal duties. If this is not practical because of production

line flow, then the area should be roped off and marked for TESTING. No employees

other than the test operators should be allowed inside.

If benches are placed back-to-back, be especially careful about the use of the bench

opposite the test station. Signs should be posted: "DANGER - TEST IN PROGRESS -

UNAUTHORIZED PERSONNEL KEEP AWAY."

SAFETY

Power

Ground Bond Test Equipment must be connected to a good ground. Be certain that the

power wiring to the test bench is properly polarized and that the proper low resistance

bonding to ground is in place.

Power to the test station should be arranged so that it can be shut off by one prominently

marked switch located at the entrance to the test area. In the event of an emergency,

anyone can cut off the power before entering the test area to offer assistance.

Work Area

Perform the tests on a nonconducting table or workbench, if possible.

There should not be any metal in the work area between the operator and the location

where products being tested will be positioned.

Position the tester so the operator does not have to reach over the product under test to

activate or adjust the tester. If the product or component being tested is small, it may be

possible to construct guards or an enclosure, made of a non-conducting material such as

clear acrylic. The item being tested is then within the guards or enclosure during the test,

and may be fitted with switches so that the tester will not operate unless the guards are in

place or the enclosure closed.

Keep the area clean and uncluttered. All test equipment and test leads not absolutely

necessary for the test should be removed from the test bench and put away. It should be

clear to both the operator and to any observers what product is being tested, and which

products are waiting to be tested or have already been tested.

Do not perform Ground Bond Tests in a combustible atmosphere or in any area where

combustible materials are present.

TEST OPERATOR

Qualifications

The operator should understand the electrical fundamentals of voltage, current, and

resistance.

Safety Procedures

Operators should be thoroughly trained to follow these and all other applicable safety

rules and procedures before they begin a test. Defeating any safety system should be

treated as a serious offense and should result in severe penalties, such as removal from

the Ground Bond Testing job. Allowing unauthorized personnel in the area during a test

should also be dealt with as a serious offense.

Dress

Operators should not wear jewelry that could accidentally complete a circuit.

Medical Restrictions

Personnel with heart ailments or devices such as pacemakers should not operate this

instrument.

INTRODUCTION

GLOSSARY OF TERMS

(As used in this manual)

Alternating Current, AC:

Current that reverses direction on a regular basis, commonly in the U.S.A.

60 times per second, in other countries 50 times per second.

Conductive:

Having a volume resistivity of no more than 103 ohm-cm or a surface resistivity of no

more than 105 ohms per square.

Conductor:

A solid or liquid material which has the ability to let current pass through it, and which has

a volume resistivity of no more than 103 ohm-cm.

Current:

The movement of electrons through a conductor. Current is measured in amperes,

milliamperes, microamperes, nanoamperes, or picoamperes. Symbol = I

Dielectric:

An insulating material that is positioned between two conductive materials in such a way that

a charge or voltage may appear across the two conductive materials.

Direct Current, DC:

Current that flows in one direction only. The source of direct current is said to

be polarized and has one terminal that is always at a higher potential than the other.

Hipot Tester:

Common term for dielectric-withstand test equipment.

Hypot®:

Registered trademark of Associated Research, Inc., for its dielectric-withstand test equipment.

HYAMP®: Registered trademark of Associated Research for its Ground Bond test equipment.

Insulation:

Gas, liquid or solid material which has a volume resistivity of at least 1012 ohm-cm and is

used for the purpose of resisting current flow between conductors.

Resistance:

That property of a substance that impedes current and results in the dissipation of power in

the form of heat. The practical unit of resistance is the ohm. Symbol = R

Trip Point:

The minimum resistance required causing an indication of unacceptable performance during

a ground bond test.

Voltage:

Electrical pressure, the force which causes current through an electrical conductor.

Symbol = V

INTRODUCTION

The importance of testing... User safety

In an era of soaring liability costs, original manufacturers of electrical and electronic

products must make sure every item is as safe as possible. All products must be designed

and built to prevent electric shock, even when users abuse the equipment or by-pass built

in safety features.

To meet recognized safety standards, one common test is the "dielectric voltage-

withstand test". Safety agencies which require compliance safety testing at both the

initial product design stage and for routine production line testing include: Underwriters

Laboratories, Inc. (UL), the Canadian Standards Association (CSA), the International

Electrotechnical Commission (IEC), the British Standards Institution (BSI), the

Association of German Electrical Engineers (VDE), the Japanese Standards Association

(JSI). These same agencies may also require that an insulation resistance test and high

current ground bond test be performed.

The Dielectric Withstand (Hipot) Test....

The principle behind a dielectric voltage - withstand test is simple. If a product will

function when exposed to extremely adverse conditions, it can be assumed that the

product will function in normal operating circumstances.

The most common applications of the dielectric-withstand test are:

•Design (performance) Testing.... determining design adequacy to meet service

conditions.

•Production Line Testing.... detecting defects in material or workmanship during

processing.

•Acceptance Testing.... proving minimum insulation requirements of purchased parts.

•Repair Service Testing.... determine reliability and safety of equipment repairs.

The specific technique varies with each product, but basically, during a dielectric voltage

withstand test, an electrical devise is exposed to a voltage significantly higher than it

normally encounters. The high voltage is continued for a given period of time.

If, during the time the component is tested, stray current flow remains within specified

limits, the device is assumed to be safe under normal conditions. The basic product

design and use of the insulating material will protect the user against electrical shock.

The equipment used for this test, a dielectric-withstand tester, is often called a "hipot"

(for high potential tester). The "rule of thumb" for testing is to subject the product to

twice its normal operating voltage, plus 1,000 volts.

Indice

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