Amprobe AD105A Manuale utente

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AD105A

Digital Clamp-On Meter

Users Manual

•Bedienungshandbuch

•Manuale de Uso

•Mode d’emploi

PN 2729036

July 2006

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. 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 a

Amprobedealer or distributor. See Repair Section

above 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.

Digital Clamp-On Meter

Contents

Symbols.................................................................................................... 1

Warnings and Precautions........................................................................ 1

Introduction .............................................................................................. 1

Instrument Familiarization (See Fig. 1) ..................................................... 2

Measuring Procedures.............................................................................. 2

Specifications............................................................................................ 3

Troubleshooting........................................................................................ 4

Battery Replacement................................................................................. 4

Repair ....................................................................................................... 5

Symbols

B Battery W Refer to the manual

T Double

insulated B Alternating Current

F Direct

Current P Complies with EU

directives

Warnings and Precautions

•This instrument is EN61010-1:2001 certified for Installation

Category III (1000 V). It is recommended for use in distribution level

and fixed installations, as well as lesser installations, and not for

primary supply lines, overhead lines and cable systems

•This instrument must not be used on uninsulated conductors at a

voltage greater than 1000 V AC/DC

•Do not exceed the maximum input limits per function (see

specifications), nor any ratings marked on the instrument itself

•Never ground yourself when taking measurements. Do not touch

exposed metal pipes, outlets, fixtures, etc., which might be at

ground potential. Keep your body isolated from ground and never

touch exposed wiring, connections, or any live circuit conductors

•Do not operate the instrument in an explosive atmosphere

(flammable gases, fumes, vapor, dust)

•Do not use this or any piece of test equipment without proper

training

Introduction

Your shipping carton should include the digital clamp meter, a carrying

case, one 9 V battery (installed), a warranty card and this manual. If any of

the items are damaged or missing, immediately return the complete

package to the place of purchase for an exchange.

Instrument Familiarization (See Fig. 1)

1. Digital display: 3 ¾ digit LCD (max. reading 3999) plus auto polarity,

decimal point, N, ACB, DCFand P.

2. Wrist Strap: Prevents the instrument from slipping off the hand while

in use.

3. ON/OFF key.

4. Hz: This key selects the frequency mode. Press again to return to initial

function.

5. DCA AUTO Zero Key: Compensates the residual magnetism.

6. DC/AC Key: Selects between AC and DC current.

7. Jaw Opening Lever: Press lever to open transformer jaws. When

pressure on lever is released, the jaws close again.

8. Peak Hold Key: Press to hold the maximum measured value. P

annunciator is displayed.

9. Transformer Jaws: Designed to pick up the current flowing through the

conductor.

Measuring Procedures

AC Current/Frequency Measurement

1. Set the clamp meter to ACA mode by pressing DC/AC key.

2. Press the lever to open the transformer jaws and clamp one conductor

only, make sure that the jaw is firmly closed around the conductor.

3. Read the value from digital display.

4. To read frequency, press Hz key.

DC Current Measurement

1. Set the clamp meter to DCA mode by pressing DC/AC key.

2. Compensate the residual magnetism by pressing DCA Auto Zero key.

3. Press the lever to open the transformer jaws and clamp one conductor

only, make sure that the jaw is firmly closed around the conductor.

4. Read the value from digital display.

Note

For DC measurement, the reading is positive when the

current flows from the upper side to the lower side of the

instrument as shown in Fig. 1.

Peak Hold:

Depress the Peak Hold button to record maximum current values (RMS for

AC current). Any new maximum signal will be automatically stored and

displayed in the LCD. The Pannunciator indicates the Peak Hold feature is

invoked.

Specifications

General Specifications

Display: 3 3/4 Digit LCD, max. reading of 3999.

Polarity indication: automatic, “–” indicated; “+” implied.

Overrange Indication : “OL” or “– OL”.

Range selection: automatic; Measuring Rate: 2 /sec, nominal.

Position Error: ±1 % of Reading.

Type of Sensing: Hall effect sensing for AC and DC.

Low Battery Indication: N.

Auto Power Off: approx. 30 minutes after power on.

Environmental Conditions

Operating Temperature: 0 °C to +50 °C, <75 % R.H.

Storage Temperature: -20 °C to +60 °C, <80 % R.H., battery removed.

Temperature Coefficient: 0.2 x (Spec.Acc’y) / °C, < 18 °C or > 28 °C.

Power Requirement: Single 9 V PP3 battery (NEDA 1604,1EC 6F22)

Battery Life: Alkaline 40 hours typical.

Max / Conductor Size: 51 mm diameter or 24 x 60 mm busbar.

Size (LxWxD): 240x106x40 mm (9.5”x4.2”x1.6”); Weight: 420 grams

(14.8 oz)

Accessories: Battery (installed), manual and carrying case.

Agency Approvals: P

Safety: Meets EN61010-1:2001 Cat III 1000V,Class 2, Pollution Degree 2;

EN 61010-2-032; EMC: EN50081-1, EN50082-1

EMC: This product complies with requirements of the following European

Community Directives: 89/336/EEC (Electromagnetic Compatibility)

and 73/23/EEC (Low Voltage) as amended by 93/68/EEC (CE Marking).

However, electrical noise or intense electromagnetic fields in the vicinity of

the equipment may disturb the measurement circuit. Measuring

instruments will also respond to unwanted signals that may be present

within the measurement circuit. Users should exercise care and take

appropriate precautions to avoid misleading results when making

measurements in the presence of electronic interference.

Electrical Specifications

Accuracy is ±(%reading + number of digits) at 23 °C ±5 °C, < 75 % R.H.

Overload Protection, all functions and ranges: 2000 A AC/DC for 1 minute.

DC Current (autoranging)

Range Resolution Accuracy:

0 to 100 A 0.1 A ±(2.9 %rdg + 8 dgt)

100 A to 400 A 0.1 A ±(1.9 %rdg + 5 dgt)

400 A to 1000 A 1 A ±(2.9 %rdg + 5 dgt)

AC Current (40 – 400 Hz; autoranging)

Range Resolution Accuracy:

0 to 40 A 0.1 A ±(1.9 %rdg + 8 dgt)

40 A to 400 A 0.1 A ±(1.9 %rdg + 7 dgt)

400 A to 1000 A 1 A ±(2.9 %rdg + 5 dgt)

AC Conversion Type: AC conversions are ac-coupled, true rms responding,

calibrated to the rms value of a sine wave input. Accuracies are given for

sine wave at full scale. For distorted signals, add the following corrections:

for Crest Factor of 1.4 to 2.0, add 1.0 % to accuracy.

for Crest Factor of 2.0 to 2.5, add 2.5 % to accuracy.

for Crest Factor of 2.5 to 3.0, add 4.0 % to accuracy (0 – 400 A).

Frequency Counter

Range Resolution Accuracy:

4 KHz 1 Hz ±(0.5 %rdg + 3 dgt)

10 KHz 10 Hz ±(0.5 %rdg + 3 dgt)

Min. Input Frequency: 20 Hz

Sensitivity at 1 kHz to 10 kHz: 10 A RMS (<1 kHz: 6 A RMS)

Peak Hold

Range Resolution Accuracy:

LOW 0.1 A ±(3.0 %rdg + 10 dgt)

HIGH 1.0 A ±(3.0 %rdg + 10 dgt)

Troubleshooting

If there appears to be a malfunction during the operation of the meter, the

following steps should be performed in order to isolate the cause of the

problem:

1. Check the battery.

2. Review the operating instructions for possible mistakes in operating

procedure.

3. Check clamp against a known current source.

Except for the replacement of the battery, repair of the clamp should be

performed only by a Factory Authorized Service Center or by other

qualified instrument service personnel.

Front panel and case can be cleaned with a mild solution of detergent and

water. Apply sparingly with a soft cloth and let dry completely before

using. Do not use aromatic hydrocarbons or chlorinated solvents for

cleaning.

Battery Replacement

This instrument is powered by a single 9 V battery. Use the following

procedure to replace battery.

Turn the instrument off.

Position instrument face down, remove the two screws and lift off

back of case.

Replace battery, route wire away from top of battery and reassemble

case.

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 below for

address).

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: 888-993-5853 Tel: 905-890-7600

Fax: 425-446-6390 Fax: 905-890-6866

Non-Warranty Repairs and Replacement – Europe

European non-warranty units can be replaced by your AmprobeTest

Tools distributor for a nominal 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

P.O. Box 1186

5602 BD Eindhoven

The Netherlands

*(Correspondence only – no repair or replacement available from this

address. European customers please contact your distributor).

AD105A

Digital Clamp-On Meter

Users Manual

•Bedienungshandbuch

•Manuale de Uso

•Mode d’emploi

German

Deutsch

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