METREL Eurocheck CS 2099 Manual de usuario

Eurocheck

CS 2099

User manual

Version 1.2, Code no. 20 750 127

Distributor:

Producer:

METREL d.d.

Ljubljanska cesta 77

1354 Horjul

Slovenia

web site: http://www.metrel.si

e-mail: metr[email protected]

Markon your equipment certifies that this equipment meets the requirements of the EU

(European Union) concerning safetyand electromagnetic compatibility regulations.

No part ofthis publication maybe reproduced or utilized in anyform or byanymeans

without permission in writing from METREL.

CS 2099 Eurocheck Table of contents

1Introduction to CS 2099 – Eurocheck........................................................4

2Safetyand operational considerations......................................................5

2.1 Warnings.......................................................................................................5

2.2 Standards applied..........................................................................................5

3Eurocheck description and maintenance..................................................6

3.1 Front panel....................................................................................................6

3.2 Side panel......................................................................................................7

3.3 Replacing fuse...............................................................................................8

3.4 Cleaning........................................................................................................8

3.5 Periodic calibration........................................................................................8

3.6 Service...........................................................................................................8

4Eurocheck operation...................................................................................9

4.1 Recommended calibration sequence and practice........................................9

4.2 Sample test report form...............................................................................10

4.3 Selecting calibration function/sub-function...................................................11

4.4 Selecting appropriate test cable for calibration............................................11

4.5 Fault loop impedance calibration.................................................................12

4.6 Trip-lock impedance calibration...................................................................14

4.7 Line impedance calibration..........................................................................15

4.8 RCD trip-out time calibration........................................................................16

4.9 RCD measuring current I n=30 mA verification..........................................17

4.10 Insulation resistance calibration...................................................................17

4.11 LowΩand continuityresistance calibration..................................................18

4.12 Voltage and frequencycalibration................................................................20

4.13 Continuityand insulation of measurement leads verification.......................21

4.14 PE test terminal operation verification.........................................................22

5Technical specifications...........................................................................23

5.1 General........................................................................................................23

5.2 Calibration references..................................................................................23

CS 2099 Eurocheck Introduction to CS 2099 – Eurocheck

1Introduction to CS 2099 –Eurocheck

CS 2099 – Eurocheck is a professional, multifunctional field calibrator intended for use

with Metrel installation test instruments. In addition to its durable bodyand simple

operation it boasts the following features:

q Insulation calibration with test voltages up to 1000 V,

q LowΩand continuityfunction calibration,

q Continuityand insulation of measurement leads verification,

q Fault loop and trip-lock impedance calibration (all test currents supported on

Metrel instruments),

q Calibration ofRCD trip-out time measurement, including test current verification

(30 mA test current is supported),

q Line impedance calibration,

q Voltage and frequencycalibration,

q PE test terminal functional verification.

Functioning and accuracyofall Metrel and most other manufacturer’s installation test

instruments can be verified with Eurocheck. However, not all instruments support all

functions available on Eurocheck. Refer to your instrument User manual for a complete

list ofits measuring functions. The instrument list includes (but is not limited to):

q MI3100 – EurotestEASI,

q MI3101 – EurotestAT,

q MI3102 – EurotestXE,

q MI2086 – Eurotest,

q MI2087 – Instaltest,

q MI2087AL2 – Easitest,

q Smartec familyofinstruments.

Installation test instruments are usuallyused on a dailybasis in harsh environment

conditions. Often the user doesn’t have confidence in instrument operation and its

accuracy. Continuityof measurement leads presentsadditional problem. Manytimes it

is not possible to conclude the instrument state from ordinarymeasurement results.

Such results maylook correct, but in fact theyare wrong due to the instrument

malfunctioning. Regular test instrument calibration with Eurocheck will reveal such

problems.

Eurocheck doesn’t provide a complete calibration solution for installation test

instruments. Regular 6-months or 1-year calibration of all measurement functions ofthe

instrument is still recommended. What it does provide is simple field calibration of the

most frequentlyused functions when testing installations. Furthermore, in some

countries it is obligatory for approved contractors to demonstrate trustworthycontrol

system for ensuring accuracyoftest instruments (like NICEIC in United Kingdom).

Eurocheck represents one simple solution in such cases.

Notes:

q If in doubt about instrument operation and/or its accuracy, send it to your

distributor or manufacturer for a complete calibration and service, if required. The

same is valid ifyou’re in doubt about Eurocheck operation.

q Installation measurements in general and typical applications are explained in

Metrel handbook Measurements on electric installationsin theory and practice.

CS 2099 Eurocheck Safety and operational considerations

2Safetyand operational considerations

2.1 Warnings

Read and understand all warnings and cautions before using this product. This will

ensure your safety, as well as keep the test equipment undamaged.

q symbol on the instrument means »Read the Instruction manual with

special care«. The symbol requires an action!

q If the test equipment isused in a manner not specified in this user manual the

protection provided bythe equipment maybe impaired!

q Read this user manual carefully, otherwise use ofthe instrument maybe

dangerousfor the operator, for the instrument or for the equipment under test!

q Do not use the test equipment and accessories ifanydamage is noticed!

q In case a fuse hasblown followthe instructions in this manual to replace it!

q Consider all generallyknown precautions in order to avoid risk ofelectric shock

while dealing with hazardous voltages!

q Do not use the test equipment in supplysystems with voltages higher than 240

q Do not disassemble, risk ofelectric shock – service intervention or adjustment

procedure is allowed to be carried out onlybya competent authorized person!

q Use onlystandard or optional test accessories supplied byyour distributor!

q Do not short-circuit anyofthe calibrator inputs/outputs!

Immediatelydisconnect from the powerline and discontinue use if:

q the calibrator is dropped or subjected to an impact in which the interior is

exposed,

q the calibrator emits a strange smell, excessive heat, or smoke.

Function specific warnings (applies to all operations performed with Eurocheck):

q In some countries the type ofmains plug determinesL and N wiring positions.

If Eurocheck signals incorrect polaritythis represents an installation fault, which

should be corrected immediately.

q When performing fault loop/trip-lock/line impedance calibration Eurocheck

always connects loop calibration output to mains line impedance (L and N), thus

avoiding tripping an RCD on mains supply. When evaluating absolute

measurement results line impedance of the mains has to be considered, not fault

loop impedance. Recommended calibration procedure, described in this

document, relies on the absolute result and the difference between two

measured values.

2.2 Standards applied

The CS 2099 - Eurocheck calibrator is manufactured and tested in accordance with the

following regulations:

q Safetyregulations......................................................EN 61010-1

q Electromagnetic compatibilityregulations.................EN 61326

CS 2099 Eurocheck Eurocheck description and maintenance

3Eurocheck description and maintenance

3.1 Front panel

50 M

RCD

0.5

2 M

COM

Figure 3.1: Front panel

Legend:

1...........Insulation calibration outputs.

2...........LowΩand continuitycalibration outputs.

Caution – do not use test currents higher than 200 mA.

3...........Power supplycord connection polarityindication.

LED lights ifL and N lines are incorrectlyconnected – reverse connection.

4...........Incorrect test current indication for RCD trip-out time function verification

(appropriate LED lights iftest current is too lowor too high).

5...........RCD test calibration function selected.

6...........Fault loop calibration function selected (each LED indicates sub-function), also

used for trip-lock/line impedance calibration.

7...........LED lights if voltage is present at RCD/Fault loop calibration output.

Press RCD/LOOP selection button (9) once after connecting the calibrator to

the power supplyto enable voltage at output connector.

LED goes out whenever RCD simulator trips and is automaticallyrestored 3

seconds afterwards (other LEDs remain lit during this period).

8...........RCD/Fault loop calibration output (used for fault loop/trip-lock/line impedance

and RCD trip-out time calibration).

Caution – line voltage present on test terminals!

Consider specified dutycycle when calibrating fault loop or line impedance

to avoid overheating of Eurocheck.

9...........RCD/Fault loop selection button.

Press repeatedlyto cycle through available options: enable output, LOOP+11

Ω, LOOP+1 Ω, RCD, disable output.

10.........Voltage/frequencycalibration output.

10 9

Note:

Output connector

type is country

dependent.

CS 2099 Eurocheck Eurocheck description and maintenance

3.2 Side panel

Figure 3.2: Side panel

Legend:

1...........Power supplycord.

2...........Fuse F1.

Note:

Eurocheck powers on automatically2 seconds after it is connected to the mains supply.

It checksfor correct mains supplyplug orientation during power up. If the orientation is

wrong “incorrect polarity” LED lights. In such case reverse connection ofpower supply

cord.

1 2

Note:

Output connector

type is country

dependent.

CS 2099 Eurocheck Eurocheck description and maintenance

3.3 Replacing fuse

A fuse is located underside cover ofthe Eurocheck unit:

q F1

T4 A / 230 V, 32 mm ×6.3 mm

General input protection fuse.

Warnings:

q Disconnect anyconnected instrument/accessoryand power offthe calibrator

before opening fuse compartment cover, hazardous voltage inside!

q Replace blown fuse with original type only, otherwise the calibrator maybe

damaged and/or operator’s safetyimpaired!

Position ofthe fuse can be seen in Figure 3.2 in chapter 3.2.

3.4 Cleaning

No special maintenance is required for the housing. To clean the surface ofthe

instrument use a soft cloth slightlymoistened with soapywater or alcohol. Then leave

the instrument to drytotallybefore use.

Warnings:

q Do not use liquids based on petrol or hydrocarbons!

q Do not spill cleaning liquid over the instrument!

3.5 Periodic calibration

It is essential that the unit is regularlycalibrated in order technical specification listed in

this manual is guaranteed. We recommend an annual calibration. An authorised

technical person should do the calibration. Please contact your dealer or manufacturer

for further information.

3.6 Service

For repairs under warranty, or at anyother time, please contact your distributor.

Unauthorised person is not allowed to open the Eurocheckcalibrator. There are no user

replaceable components inside the instrument, except one fuse, refer to chapter 3.3.

CS 2099 Eurocheck Eurocheck operation

4Eurocheck operation

4.1 Recommendedcalibration sequence and practice

This chapter lists recommended sequence for calibration ofinstallation test instruments.

It is not obligatoryto followthis sequence. Eurocheck offers additional calibration

functions (all functions are explained in detail in the following chapters).

Calibration using universal test cable

Step Calibrated function Purpose

1LowΩDetermination ofmeasurement accuracy.

Verification ofuniversal test cable wire continuity

(incomplete).

2ContinuityDetermination ofmeasurement accuracy.

3Insulation Determination ofmeasurement accuracy.

Verification ofuniversal test cable wiring insulation

resistance (incomplete).

4Voltage Determination ofmeasurement accuracy.

Verification ofuniversal test cable or tip commander

wiring continuityand insulation state (complete in most

cases, refer to chapter 4.13).

Calibration using plug cable

Step Calibrated function Purpose

5Fault loop

impedance

and/or

Trip-lock impedance

Determination ofmeasurement accuracy.

Verification ofplug cable wiring continuity(incomplete).

6RCD trip-out time Determination ofmeasurement accuracy.

For further information on howto perform each measurement with your instrument see

its User manual.

Notes:

q It is advisable to perform at least 3 consecutive measurements to verifystability

ofmeasurement results. Consider accuracyofcalibrated function when

evaluating calibration results. Accuracyofeach function is defined in User

manual ofyour instrument.

q If calibration resultsdeviate significantlyfrom reference values, it is verylikelythe

tested instrument is damaged. Send it to yourdistributor or manufacturer for

repair and/or readjustment.

q It is a good practice to file results after each calibration. Variation of results over

time period mayindicate malfunctioning ofthe instrument.

q It is best to perform calibrations in similar environment conditions, since changes

oftemperature and relative humidityinfluence test instrument operation and

Eurocheck reference values. In anycase note environmental conditions of

calibration when storing measurement results.

CS 2099 Eurocheck Eurocheck operation

4.2 Sample test report form

Caution:

q This sample test report form is suitable for Metrel installation test instruments like

MI3100 – EurotestEASI. It could be easilymodified to suit other types of

instruments.

q It is not based on anyregulation or recommendation.

Type of calibrated instrument

SN of calibrated instrument

Date of calibration

Temperature (°C)

Relative humidity(%RH)

Function Eurocheck value Measured value

0.5 ΩΩ

5 ΩΩ

LowΩ(±200 mA)

15 ΩΩ

0.5 ΩΩ

5 ΩΩ

Continuity(7 mA)

15 ΩΩ

2 MΩMΩInsulation 100 V 50 MΩMΩ

2 MΩMΩInsulation 250 V 50 MΩMΩ

2 MΩMΩInsulation 500 V 50 MΩMΩ

2 MΩMΩInsulation 1000 V 50 MΩMΩ

L-N, 50 V V

UL-PE, 50 V V

UN-PE, 50 V V

Voltage, frequency

50 HzHz

LOOP+1 ΩΩFault loop impedance LOOP+11 ΩΩ

LOOP+1 ΩΩTrip-lock impedance I n=30

mA LOOP+11 ΩΩ

50 ms ms

CURRENTLO PASS / FAIL

RCD trip-out time I n=30 mA

CURENTHI PASS / FAIL

Reference equipmentSN Calibration certificate no. Date of calibration

Metrel Eurocheck

Operator’s name andsignature

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