METREL EurotestDL Manual de usuario

EurotestDL

MI 3002

EurotestEASI

MI 3100

Short instructions

Version 2.3 UK, Code No. 20 750 114

Distributor:

Manufacturer:

METREL d.d.

Ljubljanska cesta 77

1354 Horjul

Slovenia

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

e-mail: [email protected]

Mark on your equipment certifies that this equipment meets the requirements of the EU

(European Union) concerning safety and interference causing equipment regulations

No part of this publication may be reproduced or utilized in any form or by any means

without permission in writing from METREL.

Safety and operational considerations

1 Safety and operational considerations

1.1 Warnings

•This document is a supplement to the Instruction manual!

•Before using EurotestEASI instrument read the Instruction manual carefully,

otherwise use of the instrument may be dangerous for the operator, for the

instrument or for equipment under test!

•symbol on the instrument means »Read the Instruction manual with special

care«. The symbol requires an action!

•If the test equipment is used in a manner not specified in Instruction manual

the protection provided by the equipment may be impaired!

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

•In case a fuse has blown follow the instructions in Instruction manual to

replace it!

•Consider all generally known precautions in order to avoid risk of electric

shock while dealing with hazardous voltages!

•Do not use the instrument in supply systems with voltages higher than 550 V!

•Service intervention or adjustment procedure is allowed to be carried out only

by a competent authorized person!

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

•Consider that older and some of new optional test accessories compatible with

this instrument meet only overvoltage category CAT III / 300 V! It means that

maximal allowed voltage between test terminals and ground is 300 V!

•Instrument contains rechargeable Ni-Cd or Ni-MH battery cells. The cells

should only be replaced with the same type as defined on the battery

placement label or in Instruction manual. Do not use standard alkaline battery

cells while power supply adapter is connected, otherwise they may explode!

•Hazardous voltages exist inside the instrument. Disconnect all test leads,

remove the power supply cable and switch off the instrument before removing

battery compartment cover.

•All normal safety precautions have to be taken in order to avoid risk of electric

shock when working on electrical installations!

Safety and operational considerations

1.2 Battery handling

•When battery cells have to be replaced or before opening battery/fuse

compartment cover, disconnect any measuring accessory connected to the

instrument and power off the instrument, hazardous voltage inside!

•Insert cells correctly, otherwise the instrument will not operate and the battery could

be discharged.

•If the instrument is not used for a long period of time remove the battery from its

compartment.

•Alkaline or rechargeable Ni-Cd or Ni-MH battery cells (size AA) can be used. The

operating hours are given for cells with a nominal capacity of 2100 mAh.

•Do not recharge alkaline battery cells!

The battery is charged whenever the power supply adapter is connected to the instrument.

In-built protection circuits control the charging procedure and assure maximal battery

lifetime. Power supply socket polarity is shown in the figure below.

Power supply socket polarity

Note:

•Use only power supply adapter delivered from manufacturer or distributor of the test

equipment to avoid possible fire or electric shock!

2 Function selector switch and instrument display

Legend:

1..... Main function name.

2..... Function or sub-function name.

3..... Measuring parameters and limit values.

4..... Result field.

In this field the main and sub-results together with the PASS/FAIL/ABORT status are

displayed.

5..... Online voltage and output monitor.

6..... Message field.

In this field battery status and warnings/messages related to the actual measurement

are displayed.

Measurements Continuity

3 Measurements

3.1 Continuity

Set function

Set sub-function

Set parameters and limits

LowΩ

Continuity High limit resistance

[∗Ω sets limit off, 0.1 Ω÷

20.0 Ω]

Connection diagram

LowΩContinuity

PCC1

PCC2

PCC3

N/L2

PE/L3

L/L1

MPEC

MPEC....Main Potential Equilizing Collector

PCC....Protection Conductor Collector

prolongation lead

PCC1

PCC2

PCC3

MPEC

MPEC....Main Potential Equilizing Collector

PCC....Protection Conductor Collector

prolongation lead

N/L2

PE/L3L/L1

Press the

TEST

key. Press the

TEST

key to start. Press the

TEST

key

again to stop measurement.

View results

Displayed results:

R: Main LowΩresistance result

R+: LowΩresistance sub-result with positive voltage

at L terminal

R-: LowΩresistance sub-result with positive voltage

at N terminal

Displayed results:

R: Main continuity resistance result

Measurements Insulation resistance

3.2 Insulation resistance

Set function

Set parameters and limits

Nominal test voltage

[100 VDC ÷1000 VDC]

Low limit resistance value

[∗Ω sets limit off, 0.01 MΩ÷200 MΩ]

Connection diagram

switched off

mains voltage closed

switches

disconnec-

ted loads

N/L2

L/L1

PE/L3

Press and hold the

TEST

key until result is stabilised.

View results

Displayed results:

R: Insulation resistance

Um: Instrument test voltage

Measurements Line impedance and PSC

3.3 Line impedance (phase-neutral, phase-phase)

Set function

Set parameters and limits

Fuse type [∗F sets limit off, BS88, BS3036,

BS1361, BS1362, B, C, D]

Fuse current rating [6 A ÷200 A]

Fuse tripping time [0.4 s, 5 s]

Connection diagram

LPEN

L/L1

N/L2PE/L3

N/L2

L/L1

PE/L3

Press the

TEST

key.

View results

Displayed results:

Z: Line impedance

ISC: Prospective short-circuit current

Lim: High limit line impedance value (if applicable)

Measurements Fault loop impedance and PFC

3.4 Fault loop impedance

Set function

Set sub-function

Set parameters and limits

Zs

Zs (rcd) Fuse type [∗F sets limit off,

BS88, BS3036, BS1361,

BS1362, B, C, D]

Fuse current rating

[6 A ÷200 A]

Fuse tripping time

[0.4 s, 5 s]

Connection diagram

LPEN

L/L1

N/L2PE/L3

Zs (rcd)

LPEN

L/L1

N/L2PE/L3

Press the

TEST

key.

View results

Displayed results:

Z: Fault loop impedance

ISC: Prospective fault current

Lim: High limit fault loop impedance value (if applicable)

Measurements RCD testing

3.5 RCD testing

Set function

Set sub-function

Set parameters and limits

Contact voltage

Tripping time

Tripping current

RCD autotest

Limit contact voltage [25V,

50V]

Nominal differential RCD

tripping current

[10 mA ÷1000 mA]

Multiplier of nominal

differential RCD tripping

current [×½, ×1, ×2, ×5]

Test current starting polarity

and RCD type [ G,

G, S, S, G,

G, S, S]

Connection diagram

LPEN

L/L1

N/L2PE/L3

Press the

TEST

key.

View results

Displayed results:

UC: Contact voltage

RL: Fault loop resistance

Lim: High limit fault loop

resistance

Displayed results:

t: Tripping time

UC: Contact voltage

Displayed results:

IΔ: Tripping current

UCI: Contact voltage

tI: Tripping time

Displayed results:

UC: Contact voltage

t1-t6: Tripping times

Measurements Voltage and frequency

3.6 Voltage and frequency

Set function

Connection diagram

LPEN

L/L1

N/L2PE/L3

N/L2

L/L1

PE/L3

View results

Displayed results:

Ul(1)-n(2): Voltage between phase and neutral conductors (or between phases L1 and L2)

Ul(1)-pe(3): Voltage between phase and protective conductors (or between phases L1 and L3)

Un(2)-pe(3): Voltage between neutral and protective conductors (or between phases L2 and L3)

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