AEMC 6418 Bedienungsanleitung

WITH AEMC

INSTRUMENTS

CLAMP-ON GROUND TESTER

Clamp-On

Ground Resistance Tester

Model 6418

ENGLISH

User Manual

No part of this documentation may be reproduced in any form or by any means (including electronic

storage and retrieval or translation into any other language) without prior agreement and written consent

from Chauvin Arnoux®, Inc., as governed by United States and International copyright laws.

Chauvin Arnoux®, Inc. d.b.a. AEMC®Instruments

15 Faraday Drive • Dover, NH 03820 USA

Tel: (800) 945-2362 or (603) 749-6434 • Fax: (603) 742-2346

This documentation is provided as is, without warranty of any kind, express, implied, or otherwise.

Chauvin Arnoux®, Inc. has made every reasonable e󰀨ort to ensure that this documentation is accurate;

but does not warrant the accuracy or completeness of the text, graphics, or other information contained

in this documentation. Chauvin Arnoux®, Inc. shall not be liable for any damages, special, indirect,

incidental, or inconsequential; including (but not limited to) physical, emotional or monetary damages

due to lost revenues or lost prots that may result from the use of this documentation, whether or not the

user of the documentation has been advised of the possibility of such damages.

Chauvin Arnoux®, Inc.

d.b.a AEMC®Instruments

www.aemc.com

Statement of Compliance

Chauvin Arnoux®, Inc. d.b.a. AEMC® Instruments

certies that this instrument has been calibrated

using standards and instruments traceable to

international standards.

We guarantee that at the time of shipping your

instrument has met the instrument’s published

specications.

An NIST traceable certicate may be requested

at the time of purchase, or obtained by returning

the instrument to our repair and calibration

facility, for a nominal charge.

The recommended calibration interval for this

instrument is 12 months and begins on the date of

receipt by the customer. For recalibration, please

use our calibration services. Refer to our repair and

calibration section at www.aemc.com/calibration.

Serial #:

Catalog #: 2141.03

Model #: 6418

Please ll in the appropriate date as indicated:

Date Received:

Date Calibration Due:

TABLE OF CONTENTS

1. INTRODUCTION..................................................................6

1.1 INTERNATIONAL ELECTRICAL SYMBOLS ........................... 6

1.2 DEFINITION OF MEASUREMENT CATEGORIES (CAT) ...... 6

1.3 PRECAUTIONS FOR USE ........................................................ 7

1.4 RECEIVING YOUR SHIPMENT................................................ 8

1.5 ORDERING INFORMATION..................................................... 8

1.5.1 Accessories and Replacement Parts ................................. 8

2. PRODUCT FEATURES.......................................................9

2.1 DESCRIPTION ........................................................................... 9

2.2 FUNCTION KEYS .................................................................... 10

2.3 DISPL AY ................................................................................... 10

2.4 INSERTING BATTERIES ........................................................ 11

2.5 DATE AND TIME SETUP ........................................................ 11

3. OPERATION ...................................................................... 12

3.1 G E N E R A L ................................................................................. 12

3.2 IMPEDANCE AND CURRENT MEASUREMENT................. 12

3.2.1 Connection ....................................................................... 13

3.2.2 Freezing And/Or Storing A Measurement........................ 13

3.2.3 Auto-Hold Function .......................................................... 14

3.2.4 Alarms .............................................................................. 14

3.3 CURRENT MEASUREMENT.................................................. 14

3.4 CO NFIGUR ATI ON (SET-UP) .................................................. 15

3.5 ERRORS................................................................................... 17

3.6 AUTOMATIC STOP.................................................................. 18

3.7 STOR AGE................................................................................. 18

3.7.1 Recording A Measurement ............................................... 18

3.7.2 Viewing Recordings .......................................................... 19

3.7.3 Erasing All Recordings ..................................................... 19

3.7.4 Memory Full ...................................................................... 20

4. TECHNICAL CHARACTERISTICS ................................. 21

4.1 GENERAL REFERENCE CONDITIONS................................ 21

4.2 ELECTRICAL CHARACTERISTICS ...................................... 21

4.2.1 Impedance Measurements ............................................... 21

4.2.2 Current Measurements .................................................... 22

4.2.3 Storage............................................................................. 22

4.3 INFLUENCES........................................................................... 22

4.3.1 Impedance Measurement:................................................ 23

4.3.2 Current Measurement: ..................................................... 24

4.4 POWER SUPPLY ..................................................................... 24

4.5 ENVIRONMENTAL CONDITIONS ......................................... 25

4.6 MECHANICAL CHARACTERISTICS..................................... 25

4.7 COMPLIANCE WITH INTERNATIONAL STANDARDS ....... 26

4.8 ELECTROMAGNETIC COMPATIBILITY (EMC) ................... 26

5. MAINTENANCE ................................................................27

5.1 CLEANING................................................................................ 27

5.2 BATTERY REPLACEMENT .................................................... 27

5.3 REPAIR AND CALIBRATION ................................................. 29

5.4 TECHNICAL ASSISTANCE .................................................... 29

5.5 LIMITED WARRANTY............................................................. 30

5.5.1 WARRANTY REPAIRS ................................................30

6Clamp-On Ground Resistance Tester Model 6418 - User Manual

1. INTRODUCTION

Thank you for purchasing an AEMC®Instruments Clamp-On Ground

Resistance Tester Model 6418.

For the best results from your instrument and for your safety, you must read the

enclosed operating instructions carefully and comply with the precautions for use.

Only qualied and trained operators should use this product.

1.1 INTERNATIONAL ELECTRICAL SYMBOLS

Signies that the instrument is protected by double or reinforced insulation

CAUTION - Risk of Danger! Indicates a WARNING. Whenever this symbol

is present, the operator must refer to the user manual before operation

Indicates a risk of electric shock. The voltage at the parts marked with this

symbol may be dangerous

Application or withdrawal authorized on conductors carrying dangerous

voltages. Type A current sensor as per IEC 61010-2-032

Indicates Important information to acknowledge

This product complies with the Low Voltage & Electromagnetic Compatibility

European directives

The product has been declared recyclable

In the European Union, this product is subject to a separate collection

system for recycling electrical and electronic components in accordance with

directive WEEE 2012/19/EU

1.2 DEFINITION OF MEASUREMENT CATEGORIES (CAT)

CAT IV: Corresponds to measurements performed at the primary electrical

supply (< 1000 V).

Example: primary overcurrent protection devices, ripple control units,

and meters.

CAT III: Corresponds to measurements performed in the building installation

at the distribution level.

Example: hardwired equipment in xed installation and circuit

breakers.

CAT II: Corresponds to measurements performed on circuits directly

connected to the electrical distribution system.

Example: measurements on household appliances and portable tools.

Clamp-On Ground Resistance Tester Model 6418 - User Manual 7

1.3 PRECAUTIONS FOR USE

This instrument is compliant with safety standard IEC 61010-2-032, for voltages

up to 100 V in CAT IV or 150 V in CAT III. Failure to observe the safety instructions

may result in electric shock, re, explosion, and destruction of the instrument and

of the installations.

■The operator and/or the responsible authority must carefully read and clearly

understand the various precautions to be taken in use. The operator and/

or the responsible authority must carefully read and clearly understand

the various precautions to be taken in use. Sound knowledge and a keen

awareness of electrical hazards are essential when using this instrument.

■If you use this instrument other than as specied, the protection it provides

may be compromised, thereby endangering you.

■The safety of any system in which this instrument might be incorporated is the

responsibility of the integrator of the system.

■Do not use the clamp above its rated frequency, since this might cause it to

overheat dangerously.

■Do not use the instrument on networks of which the voltage or category

exceeds those mentioned.

■Observe the environmental conditions of use.

■Do not use the instrument if it seems to be damaged, incomplete, or poorly

closed.

■Before each use, check the condition of the insulation on the housing. Any

item of which the insulation is deteriorated (even partially) must be set aside

for repair or scrapping.

■Before using your instrument, check that it is perfectly dry. If it is wet, it must

be thoroughly dried before it can be connected or used.

■When handling the instrument, keep your ngers behind the physical guard.

■Avoid impacts on the measurement head, in particular the air gap.

■Keep the surfaces of the air gap clean; even a little dirt can cause the clamp

to malfunction.

■Use personal protection equipment systematically.

■All troubleshooting and metrological checks must be done by competent

accredited personnel.

8Clamp-On Ground Resistance Tester Model 6418 - User Manual

1.4 RECEIVING YOUR SHIPMENT

Upon receiving your shipment, make sure that the contents are consistent with

the packing list. Notify your distributor of any missing items. If the equipment

appears to be damaged, le a claim immediately with the carrier and notify your

distributor at once with a detailed description of any damage. Save the damaged

packing container to substantiate your claim.

1.5 ORDERING INFORMATION

Clamp-On Ground Resistance Tester Model 6418 ...................... Cat. #2141.03

Includes hard carrying case, 5 Ω calibration loop, four 1.5 V AA batteries, wrist

strap, Bluetooth adapter, multilingual safety sheet, Quick Start Guide, and USB

drive containing User Manual.

1.5.1 Accessories and Replacement Parts

Hard Carrying Case ......................................................................... Cat. #2141.52

5 Ω Calibration Loop ........................................................................ Cat. #2141.51

Order Accessories and Replacement Parts Directly Online

Check our Storefront at www.aemc.com/store for availability

Clamp-On Ground Resistance Tester Model 6418 - User Manual 9

2. PRODUCT FEATURES

2.1 DESCRIPTION

The simple-to-use Clamp-On Ground Tester Model 6418 makes ground

impedance measurements in a parallel earth network, such as power distribution

poles and overhead ground conductors. These measurements are simpler to

perform than traditional measurements with two auxiliary rods.

The Model 6418 can make accurate low value ground impedances

measurements and AC current measurements. The instrument's large oblong

measurement head can clamp around bars up to 1.18 x 1.57 in (30 x 40 mm).

The memory function records measurements for later viewing. Also, the

instrument’s OLED (Organic Light Emitting Diode) display screen is easy to read,

even in direct sunlight.

10 Clamp-On Ground Resistance Tester Model 6418 - User Manual

2.2 FUNCTION KEYS

As a general rule, functions shown in white on the keys are available when the

switch is set to Ω+A or A. The yellow arrow keys (▲, ▼ and ►) are available

when the switch is set to MR or SET-UP.

Key Function

Switch the display unit backlighting ON and OFF.

MEM Record the measurement displayed.

HOLD Freeze/unfreeze the display of the measurement.

▲

▼

Browse in:

SET-UP menu and change the value of the parameter

selected.

Memory read (MR).

►When switch is set to:

Ω+A or A: a long press on ► activates/deactivates the

audible signal.

SET-UP: ► browses in the menu and conrms the changes

made.

MR: ► toggles the display between the measurement and

the date/time.

2.3 DISPLAY

When the measurement exceeds the limits of the measurement range, the

instrument displays OR.

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