Amprobe AMB-55 Bedienungsanleitung

AMB-55

5000V Insulation Resistance

Tester

Users Manual

• Mode d’emploi

• Bedienungshandbuch

• Manual d’Uso

• Manual de uso

AMB-55

5000V Insulation esistance Tester

Users Manual

June 2011 , Rev.1

English

Limited Warranty and Limitation of Liability

Your Amprobe product will be free from defects in material and workmanship for 1 year from the date of

purchase, unless local laws require otherwise. This warranty does not cover fuses, disposable batteries or

damage from accident, neglect, misuse, alteration, contamination, or abnormal conditions of operation or

handling. Resellers are not authorized to extend any other warranty on Amprobe’s behalf. To obtain service

during the warranty period, return the product with proof of purchase to an authorized Amprobe Test Tools

Service Center or to an Amprobe dealer or distributor. See Repair Section for details. THIS WARRANTY IS YOUR

ONLY REMEDY. ALL OTHER WARRANTIES - WHETHER EXPRESS, IMPLIED OR STAUTORY - INCLUDING IMPLIED

WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE OR MERCHANTABILITY, ARE HEREBY DISCLAIMED.

MANUFACTURER SHALL NOT BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL

DAMAGES OR LOSSES, ARISING FROM ANY CAUSE OR THEORY. Since some states or countries do not allow

the exclusion or limitation of an implied warranty or of incidental or consequential damages, this limitation of

liability may not apply to you.

Repair

All test tools returned for warranty or non-warranty repair or for calibration should be accompanied by the

following: your name, company’s name, address, telephone number, and proof of purchase. Additionally,

please include a brief description of the problem or the service requested and include the test leads with the

meter. Non-warranty repair or replacement charges should be remitted in the form of a check, a money order,

credit card with expiration date, or a purchase order made payable to Amprobe® Test Tools.

In-Warranty Repairs and Replacement – All Countries

Please read the warranty statement and check your battery before requesting repair. During the

warranty period any defective test tool can be returned to your Amprobe® Test Tools distributor for an

exchange for the same or like product. Please check the “Where to Buy” section on www.amprobe.com

for a list of distributors near you. Additionally, in the United States and Canada In-Warranty repair and

replacement units can also be sent to a Amprobe® Test Tools Service Center (see address below).

Non-Warranty Repairs and Replacement – US and Canada

Non-warranty repairs in the United States and Canada should be sent to a Amprobe® Test Tools Service

Center. Call Amprobe® Test Tools or inquire at your point of purchase for current repair and replacement

rates.

In USA In Canada

Amprobe Test Tools Amprobe Test Tools

Everett, WA 98203 Mississauga, ON L4Z 1X9

Tel: 877-AMPROBE (267-7623) Tel: 905-890-7600

Non-Warranty Repairs and Replacement – Europe

European non-warranty units can be replaced by your Amprobe® Test Tools distributor for a nominalv

charge. Please check the “Where to Buy” section on www.amprobe.com for a list of distributors near

you.

European Correspondence Address*

Amprobe® Test Tools Europe

Beha-Amprobe GmbH

In den Engematten 14

79286 Glottertal, Germany

Tel.: +49 (0) 7684 8009 - 0

www.amprobe.eu

*(Correspondence only – no repair or replacement available from this address. European customers

please contact your distributor.)

START/STOP key to start or stop any measurement.

ON/OFF key to switch the instrument ON or OFF.

MEM key to store, recall and erase results.

SELECT key to enter set-up mode for the selected function or to select the active

parameter to be set.

Cursor key to select an option upward.

Cursor key to select an option downward.

Cursor key to decrease the selected parameter.

Cursor key to increase the selected parameter.

ESC key to exit the selected mode.

Light key to turn the display backlight ON or OFF.

AMB-55 5000V Insulation Resistance Tester

LCD Display

Keypad

AMB-55 5000V Insulation Resistance Tester

1 Negative Insulation Resistance test terminal. (-OUT)

2 GUARD test terminals intended to lead away potential leakage current while

measuring the Insulation. Both green sockets are connected together inside the

instrument.

3 Positive Insulation Resistance test terminal (+OUT)

1 RS 232 connector

2 USB port

3AC input appliance inlet

CAUTION! - Use original mains supply cable only!

CAUTION! - Use original test accessories only!

Max. allowed external voltage between test terminals and ground is 600V!

Max. allowed external voltage between test terminals is 600V!

1 2 3

12 3

CONTENTS

SYMBOLS AND WARNINGS .....................................................................................................................2

UNPACKING AND INSPECTION ................................................................................................................3

FEATURES..................................................................................................................................................3

OPERATION...............................................................................................................................................4

Switching on the instrument ...............................................................................................................4

Mains powered instrument operation ................................................................................................5

Backlight operation..............................................................................................................................5

Off function ..........................................................................................................................................6

To clear all memory locations ..............................................................................................................6

MEASUREMENT........................................................................................................................................7

Basic Insulation resistance test.............................................................................................................8

Voltage dependence test – Step voltage test .....................................................................................8

Time dependence test – Diagnostic test..............................................................................................8

Humidity and insulation resistance measurements............................................................................10

Guard terminal .....................................................................................................................................10

Filter options.........................................................................................................................................10

The purpose of ﬁltering.......................................................................................................................11

Voltage measurement..........................................................................................................................11

Insulation resistance measurement.....................................................................................................12

Diagnostic test ......................................................................................................................................15

Dielectric Absorption Ratio (Dar) ........................................................................................................16

Polarization Index (PI) ..........................................................................................................................17

Dielectric Discharge Testing (DD) ........................................................................................................18

Step voltage insulation resistance testing ..........................................................................................21

Withstanding voltage ..........................................................................................................................24

Working with your Results ..................................................................................................................27

Transferring data to a PC ....................................................................................................................29

SPECIFICATIONS........................................................................................................................................33

MAINTENANCE AND REPAIR ...................................................................................................................35

Replacing and charging batteries........................................................................................................35

AMB-55 AND AMB-110 PC SOFTWARE INSTRUCTION MANUAL ..........................................................37

SYMBOLS AND WARNINGS

Caution ! Risk of electric shock

Caution ! Refer to the explanation in this Manual

Double Insulation or Reinforced insulation

Alternating Current (AC).

Direct Current (DC).

Fuse

Earth (Ground)

Please remove all the test leads before preforming maintenance, cleaning, battery replacement,

fuse replacement, etc

Complies with European Directives

Conforms to relevant Australian standards

Do not dispose of this product as unsorted municipal waste.

Contact a qualified recycler for disposal

Safety Information

WARNING!

In order to reach the highest level of operator’s safety while carrying out various measurements and tests

using this Tester, as well as to ensure that the test equipment remains undamaged, it is necessary to consider

the following warnings:

Meaning Of Symbols

Symbol on the instrument means “Read the User Manual with special care!”.

Symbol on the instrument means “Hazardous voltage higher than 1000 V may be present at the

test terminals!”.

General Precautions

• If the test equipment is used in a manner not specied in this Users Manual, the protection provided by the

equipment may be impaired!

• Do not use the instrument and accessories, if any damage is noticed!

• Consider all generally known precautions in order to avoid the risk of electric shock while dealing with

electric installations!

• Service intervention or recalibration procedure can be carried out only by a competent and authorized

person!

• Only adequately trained and competent persons may operate the instrument.

• A dot matrix LCD offers easy-to-read results and all associated parameters. Operation is simple and clear;

the operator does not need any special training (except reading and understanding this Users Manual) to

operate the instrument.

Batteries

• Disconnect all test leads, main supply cable and switch the power off before opening the Battery cover!

• Use only Ni-MH rechargeable batteries (IEC LR14)!

External Voltages

• Do not connect the instrument to a main voltage different from the one dened on the label adjacent to

the mains connector, otherwise the instrument may be damaged.

• Do not connect test terminals to an external voltage higher than 600 V DC or AC (CAT IV environment) to

prevent any damage to the test instrument!

Working With The Instrument

• Use only standard or optional test accessories supplied by your distributor!

• Equipment under test must be switched off (i.e. de-energized) before test leads are connected to the

equipment.

• Do not touch any conductive parts of equipment under test during the test.

• Make sure that the tested object is disconnected (mains voltage disconnected) before starting the

Insulation Resistance measurement!

• Do not touch the tested object while testing it, risk of electric shock!

• In case of a capacitive test object (long tested cable etc.), automatic discharge of the object may not be

done immediately after ﬁnishing the measurement – “Please wait, discharging” message will be displayed.

Handling With Capacitive Loads

• Note that 40 nF charged to 1 kV or 5 nF charged to 5 kV are hazardous live!

• Never touch the measured object during the testing until it is totally discharged.

• Maximum external voltage between any two leads is 600 V (CAT IV environment).

UNPACKING AND INSPECTION

Your shipping carton should include:

1 AMB-55 Meter

3 Test Leads

3 Alligators

1 Power Supply Cord Set

1 Software CD

1 USB Cable

1 RS232 Cable

1 Users Manual

6 Rechargeable Ni-MH batteries

If any of the items are damaged or missing, return the complete package to the place of purchase for an

exchange.

FEATURES

The AMB-55 Tester is a portable battery / mains powered test instrument intended for the testing of Insulation

Resistance by using high test voltages up to 5kV.

The instrument is designed and produced with the extensive knowledge and experience acquired through many

years of working in this sector.

Available functions offered by the AMB-55 Tester:

• High insulation resistance measurement up to 10T ohm

- Programmable test voltage from 250 V up to 5 kV, steps 25 V

- R(t) Graphs

- Programmable timer (1s up to 99 min)

- Automatic discharge of test object after completion of measurement

- Capacitance measurement

• Insulation resistance measurement versus test voltage (step-up voltage test)

- Five discrete test voltages proportionately set within preset test voltage range

- Programmable timer 1 min up to 99 min per step

• Polarization Index (PI), Dielectric Absorption ratio (DAR) and Dielectric Discharge (DD) ratio

- PI = RINS (t2) / RINS (t1)

- DAR = R1min / R15s

- DD = Idis 1min / C U

• Withstanding voltage (DC) up to 5 kV

- Programmable ramp test voltage from 250 V up to 5 kV

- High resolution ramp (approx. 25 V per step)

- Programmable threshold current up to 5 mA

• Voltage and frequency measurement up to 600 V AC/DC

A dot matrix LCD offers easy-to-read results and all associated parameters. The operation is straightforward and

clear to enable the user to operate the instrument without the need for special training (except reading and

understanding this Users Manual).

Test results can be stored on the instrument. The new professional PC SW enables straightforward transfer of test

results and other parameters in both directions between the test instrument and PC.

OPERATION

Switching on the instrument

Auto-calibration

The instrument is switched ON by pressing the ON/OFF key. After turning on, the instrument will execute the

auto-calibration (Fig. 4).

Note:

If the batteries are defective or missing and the instrument is powered from mains supply, the instrument will not

turn ON.

Measuring test leads should be disconnected during auto-calibration. If not, the auto-calibration procedure could

be false and instrument will require disconnection of the test leads and repeat switching OFF and ON.

After ﬁnishing the auto-calibration, the MAIN MENU (Fig.5) will appear and instrument is ready for normal

operation.

Auto-calibration prevents the reduction in accuracy when measuring very low currents. It compensates the effects

caused by ageing, temperature and humidity changes etc.

A new auto-calibration is recommended when the temperature changes by more than 5°C.

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