Amprobe AC50A Leakage Clamp Meter Användarmanual

AC50A

Leakage Clamp

Meter

ENG GER

FRE

User Manual

40

mA

4

A

60

A

40

A

OFF

ZERO

MIN/MAX

HOLD

COM

0 10 20 30 40

600

V

AC

400

mA

ITA SPA

SWE

AC50A

Leakage Clamp Meter

User Manual

5/2018, Rev.B

English

Contents

Warranty ........................................................................................... 2

Repair............ ..................................................................................... 2

Introduction ....................................................................................... 4

Transport and Storage ...................................................................... 5

Safety...... ...... ..................................................................................... 5

Appropriate Usage ........................................................................... 6

Feature Diagram ............................................................................... 6

Operation .......................................................................................... 7

Preparation and Safety Measures .................................................... 7

Current Measurements ..................................................................... 8

Voltage Measurements ..................................................................... 9

Resistance Measurements / Continuity ............................................ 10

MIN/MAX and Peak Values/ Auto Power Off ................................... 10

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

Changing the Battery ........................................................................ 11

Calibration Interval ........................................................................... 11

Specifications .................................................................................... 12

Certificate of Quality ........................................................................ 13

1

AC50A Leakage Clamp Meter

2

Limited Warranty and Limitation of Liability

Your Amprobe/Beha-Amprobe product will be free from defects in

material and workmanship for one 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 the behalf of Amprobe/Beha-Amprobe. To obtain service during

the warranty period, return the product with proof of purchase to an

authorized Amprobe/Beha-Amprobe Service Center or to an Amprobe/

Beha-Amprobe dealer or distributor. See Repair Section for details.

THIS WARRANTY IS YOUR ONLY REMEDY. ALL OTHER WARRANTIES

- WHETHER EXPRESS, IMPLIED OR STATUTORY - 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 Amprobe/Beha-Amprobe 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/Beha-

Amprobe.

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/Beha-Amprobe distributor for

an exchange for the same or like product. Please check the “Where

to Buy” section on amprobe.com or beha-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 an

Amprobe/Beha-Amprobe Service Center (see address below).Service

Center (see address below).

Non-warranty Repairs and Replacement – United States and Canada

Non-warranty repairs in the United States and Canada should be sent

to an Amprobe Service Center. Call Amprobe or inquire at your point

of purchase for current repair and replacement rates.

USA: Canada:

Amprobe Amprobe

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 Beha-Amprobe

distributor for a nominal charge. Please check the “Where to Buy” section

on beha-amprobe.com for a list of distributors near you.

Beha-Amprobe

Division and reg. trademark of Fluke Corp. (USA)

Germany* United Kingdom

In den Engematten 14 52 Hurricane Way

79286 Glottertal Norwich, Norfolk

Germany NR6 6JB United Kingdom

Phone: +49 (0) 7684 8009 - 0 Phone: +44 (0) 1603 25 6662

beha-amprobe.de beha-amprobe.com

The Netherlands - Headquarters**

Science Park Eindhoven 5110

5692 EC Son

The Netherlands

Phone: +31 (0) 40 267 51 00

beha-amprobe.com

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

European customers please contact your distributor.)

**single contact address in EEA Fluke Europe BV

3

References marked on instrument or in user manual



Warning of a potential

danger, comply with users

manual.



Equipment protected

throughout by double

insulation or reinforced

insulation.



Caution! Dangerous voltage.

Danger of electrical shock.



Conformity symbol, the

instrument complies

with the valid directives.

It complies with the

EMC Directive (2014/30/

EU) and the Low

Voltage Directive

(2014/35/EU) with their

valid standards.



Caution: Risk of Electric

Shock

Reference. Please use

utmost attention.



Symbol for the

marking of electrical

and electronic

equipment (WEEE

Directive 2002/96/EC).

The user manual contains information and references, necessary for

safe operation and maintenance of the instrument. Prior to using the

instrument the use is kindly requested to thoroughly read the users

manual and comply with it in all sections.

Failure to read the user manual or to comply with the warnings and

references contained herein can result in serious bodily injury or instrument

damage

Introduction

The AC50A is a universal, multi-purpose electrical measuring instrument.

It comply with the standards DIN VDE 0411 and EN 61010, and provide

safe, reliable operation. The Current Clamp is a valuable tool for all sorts

of measurements in both trade and industry.

• 3

3

/4 digit liquid-crystal display

• Manual range selection for current, voltage, resistance measurements

• Clamp opening 30 mm (1/2 inch)

• Switches off automatically

• Integral memory for readings

• Evaluates MIN/MAX values

• Zero-setting

• Relative value function

The AC50A is supplied complete with leads. After unpacking, check that the

instrument is complete and that all accessories are present.

4

Contents:

1 Current Clamp AC50A

2 Test leads with probes (red/black)

2 Batteries 1,5V IEC LR6

1 Carrying case

1 User manual

Transport and Storage

• Please keep the original packaging for later transport, e.g. for calibration.

Any transport damage due to faulty packaging will be excluded from

warranty claims.

• In order to avoid instrument damage, it is advised to remove batteries

when not using the instrument over a certain time period. However,

should the instrument be contaminated by leaking battery cells, you are

kindly requested to return it to the factory for cleaning and inspection.

• Instruments must be stored in dry and closed areas. In the case of an

instrument being transported in extreme temperatures, a recovery time

of minimum 2 hours is required prior to instrument operation.

Safety

The Meter complies with:

- IEC/EN 61010-1:2010 Third edition to Measurement Category III

300 V and Measurement Category II 600 V, Pollution Degree 2

- IEC/EN 61010-2-030

- IEC/EN 61010-031 for test leads

- IEC/EN 61010-2-032

- EMC meets all applicable requirements in IEC/EN 61326-1

• The AC50A has been manufactured and tested to comply with the

safety regulations for electronic measuring equipment contained in

IEC61010 and EN 61010, and left the factory in a safe condition. To

maintain this condition, the user must observe the safety instructions

contained in this users manual.

• To avoid electric shock, safety measures must be observed when working

with voltages higher than 60V DC or 30 V RMS (42.4 V peak).

• Before each measurement make sure that the test leads and the

instrument are undamaged.

• Only handle test leads and probes on the grips provided. Avoid

touching probes under any circumstances.

• Measurements in dangerous proximity of electrical installations are

only to be executed when instructed by a responsible electrical

specialist, and never alone.

• The relevant safety regulations for electrical plant and equipment

must be observed during all operations.

• The instrument must only be used in the specified ranges.

• Before opening the instrument, it must be disconnected from all circuits.

• Protect the instrument from prolonged exposure to direct sunlight.

5

Appropriate Usage

• The instrument may only be used under the conditions and purposes

for which it was conceived. For this reason, in particular the safety

references, the technical data including environmental conditions

and the usage in dry environments must be followed.

• If the instrument is modified in any way, operational safety is no

longer ensured.

• The instrument may only be opened by an authorized service

technician, e.g. for fuse replacement.

Feature Diagram

1. Induction coil (clamp)

2. Selector switch to change

measurement type

3. Data hold button (Not

available in Continuity

function)

4. MIN/MAX value (page 8)

5. Zero setting / relative

value function. Once this

button is pressed, the

current reading shall be

set to zero and be used

as a zero reference value

for all other subsequent

measurement. The Zero/

REL is not available in

the Continuity and Hz

function.

6. Frequency range select

switch. At 50/60Hz

position, only the low

frequency signal is

measured. At Wide

position, signal from 40 -

1kHz is measured.

7. Digital display

8. Input socket, for

measuring voltage,

resistance, continuity

testing

9. Hand-hold area including

barrier (9a)

6

10. Low-battery symbol

11. Zero Point / Relative Value

symbol

12. Hold symbol (Data Hold

is active)

13. Min/Max symbol

14. Continuity symbol

15. Analog bargraph

Operation

Preparation and safety measures

Installing the battery

Before using the instrument, the battery must be installed. This is carried

out as follows:

1) Separate the instrument from any circuit, and remove the test leads.

2) Open the housing by removing the screw on the rear face.

3) Fit the new batteries (2 type 1.5 V IEC LR6), taking care that the polarity

is correct. Make sure that no wires are trapped between the 2 halves

of the housing and close.

4) The instrument is now ready for use.

• The selector switch must be turned to the desired type of measurement

before the probes are connected to the unit under test (UUT).

• Before switching to a new function, the probes must always be removed

from the UUT.

• Use the instrument only in clean and dry surroundings. Dirt and moisture

reduce the effectiveness of the insulation, with consequent danger of

electric shock, especially when dealing with high voltages.

• Use the instrument only in the specified ranges. Before making

measurements, verify that the instrument is functioning properly, for

example by testing on a known voltage or current. Make sure that the

test leads are undamaged.

7

10

11

12

13 14

15

Current Measurements

 If tangible dangerous active parts are present in the plant where you

are making measurements, individual protection equipment (e.g.

suitable covers) must be used.

Always hold the instrument below the handle shroud.

The respective accident prevention regulations established by the

professional associations are to be strictly enforced at all times regarding

tasks executed under voltage or in proximity of parts under voltage.

1) Turn selector switch (2) to the AC current range you need

2) Open the clamp, and close it round the conductor. Make sure that the

clamp properly encircles the conductor, and that there is no air gap

between the jaws. For best measurement results and highest accuracy,

have the conductor placed in center of clamp jaws.

For incorrect measurement, the display equals zero. In compliance with

the Kirchhoff’s current law states the sum of all currents equals zero.

However, this measurement layout in conjunction with a very sensitive

current clamp can be used to measure leakage currents.

8

I

OK

I + (- I) = 0

I

40

mA

4

A

60

A

40

A

OFF

ZER

O

MIN/

MAX

HOL

D

COM

0 10 20 30 40

600

V

AC

400

mA

Kirchhoff

If the display is not visible during measurement, press the “HOLD”

button (3) to retain the display. The clamp can then be removed from

the conductor and the stored value read.

Voltage Measurements

Do not connect more than 600 V AC / DC to the input sockets. Exceeding

these values can endanger the operator, and may result in damage

to the instrument.

Before switching to a new function, disconnect the probes from

the UUT.

Only handle test leads and probes on the grips provided. Avoid tou-

ching the probes under any circumstances.

1) Turn selector switch (2) to 400

2) Plug the black test lead into the “COM” socket and the red lead into

the “VΩ” terminal

3) Connect the probes to the UUT and read the display

If the display is not visible during measurement, press the “HOLD”

button (3) to retain the display. The probes can then be removed from

the conductor and the stored value read.

9

40

mA

4

A

60

A

40

A

OFF

ZERO

MIN/M

A

X

HOLD

COM

0 10 20 30 40

600

V

AC

400

mA

Resistance Measurements / Continuity

Disconnect the UUT from all sources of supply and check that it is at

zero voltage.

1) Turn selector switch (2) to Ω / 

2) Plug the black test lead into the “COM” socket and the red lead into

the “+” terminal

3) Connect the probes to the UUT and read the display

If the display is not visible during measurement, press the “HOLD”

button (3) to retain the display. The probes can then be removed from

the conductor and the stored value read.

Continuity: At a resistance between ≤ 10 Ω and > 38 Ω a signal is audible.

MIN/MAX and peak values/ Auto Power Off

The MIN/MAX button can be used to find the largest and the smallest value

of a series of measurements. Press the button to toggle between MAX and

MIN values. Press and hold the button for 2 seconds to exit this function. The

MAX/MIN is not available in the Continuity and Hz function.

Pressing it a second time changes to MAX mode, for the largest value.

Pressing the button a third time returns the instrument to normal

operation.

10

40

mA

4

A

60

A

40

A

OFF

ZERO

MIN/M

A

X

HOLD

COM

0 10 20 30 40

600

V

AC

400

mA

Maintenance

Provided it is used in accordance with the user manual, the instrument

needs no special maintenance.

Cleaning

If the instrument is dirty after daily usage, clean it by using a humid cloth

and a mild household detergent.

Prior to cleaning, ensure that instrument is switched off and dis-

connected from external voltage supply and any other instruments

connected (such as UUT, control instruments, etc.).

Never use acid detergents or dissolvents for cleaning.

Changing the battery

Prior to storage battery replacement, disconnect the instrument

from any circuits.

Only use batteries as described in the technical data section.

• If the symbol for Low-battery appears in the upper left corner of the

display, the battery must be changed.

This is carried out as follows:

1) Separate the AC50A from any circuit, and remove the test leads.

2) Switch the instrument off.

3) Open the housing by removing the 3 screws on the rear face.

4) Remove the old batteries.

5) Fit the new batteries (2 type 1.5 V IEC LR6), taking care that the polarity

is correct. Make sure that no wires are trapped between the 2 halves

of the housing, and close it again.

6) The instrument is now ready for further use.

Please consider your environment when you dispose of your one-way

batteries or accumulators. They belong in a rubbish dump for hazardous

waste. In most cases, the batteries can be returned to their point of sale.

Please, comply with the respective valid regulation regarding the return,

recycling and disposal of used batteries and accumulators.

If an instrument is not used over an extended time period, the batteries

must be removed. Should the instrument be contaminated by leaking

battery cells, the instrument has to be returned for cleaning and inspec-

tion to the factory.

Calibration Interval

We suggest a calibration interval of one year. If the instrument is used

very often or if it is used under rough conditions we recommend shorter

intervals. If the instrument is used only a few times a year, the calibration

interval can be extended to 3 years.

11

Specifications (at 23 °C ± 5 °C, max. 75% rel. humidity)

Display: 3

3

/4, LCD incl. functions and symbols

Bargraph: 40 segments

Range selection: manual

Auto power-off: approx. 15 min.

Overload display:

Measuring rate: 30 measurements/sec. (Bargraph)

3 measurements/sec. (LCD)

Clamp opening: ca. 30 mm

Overvoltage category: CAT II, 600 V

Pollution degree: 2

Height above MSL.: up to 2000 m

Battery display: at low battery

Power supply: 2 x 1,5 V IEC LR6 (alkaline) batteries

Current consumption: approx. 10 mA

Operation temperature: -10 °C … 50 °C (14 °F … 122 °F)

Storage temperature: -20 °C … 60 °C (-4 °F … 140 °F)

Humidity: < 75% relative humidity

Dimension: 183 x 63.6 x 35.6 mm (7.2 x 2.5 x 1.4 in)

Weight: 0.44 lb (7 oz)

Current AC

Range Resolution

Accuracy

50 Hz/60 Hz 40 Hz … 1 kHz

0 – 40 mA

0 – 400 mA

0 – 4 A

0 – 40 A

10 µA

100 µA

1 mA

10 mA

±(1,5 % rdg. +3 D) ±(2,0 % rdg. +5 D)

0 – 50 A 0,1 A ±(1,5 % rdg. +5 D) ±(2,0 % rdg. +5 D)

50 – 60 A 0,1 A ±(3,0 % rdg. +5 D) ±(3,5 % rdg. +5 D)

Voltage AC

Range Resolution

Accuracy

50 Hz/60 Hz 40 Hz … 1 kHz

0...400 V 0,1 Ω ±(1,0 % rdg. +3 D) ±(2,0 % rdg.± 4 D)

Resistance

Range Resolution Accuracy Overload Protection

400 Ω 0,1 Ω ±(1 % rdg. +3 D) 600 V AC

Continuity

Range Resolution Beep Open Circuit Voltage

Ω / 

0,1 Ω ON ≤ 10 Ω; OFF > 38 Ω < 0,4 V

Overload Protection 600 V AC

12

Certificate of Quality

Beha-Amprobe (a division of Fluke Corp. USA) conﬁrms herein

that the unit you have purchased has been calibrated, during the

manufacturing process, in compliance with the test procedures

deﬁned by Beha-Amprobe. All Beha-Amprobe procedures

and quality controls are monitored on a permanent basis in

compliance with the ISO 9000 Quality Management Standards.

In addition, Beha-Amprobe conﬁrms that all test equipment and

instruments used during the calibration process are subject to

constant control. All test equipment and instruments used are

calibrated at determined intervals, using reference equipment

which has also been calibrated in compliance with (and traceable

to) the calibration standards of national and international

laboratories.

Beha-Amprobe

Division and reg. trademark of Fluke Corp. (USA)

Germany United Kingdom

In den Engematten 14 52 Hurricane Way

79286 Glottertal Norwich, Norfolk

Germany NR6 6JB United Kingdom

Phone: +49 (0) 7684 8009 - 0 Phone: +44 (0) 1603 25 6662

beha-amprobe.de beha-amprobe.com

The Netherlands - Headquarters

Science Park Eindhoven 5110

5692 EC Son

The Netherlands

Phone: +31 (0) 40 267 51 00

beha-amprobe.com

13

Deutsch

AC50A

Leckstromzange

Bedienungshandbuch

5/2018, Rev.B

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Amprobe AC50A Leakage Clamp Meter Användarmanual

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