METREL EasiTEST MI 2087 AL2 Manuale utente

EasiTEST

MI 2087 AL2

Instruction Manual

Version 1, Code No. 20 750 810

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.

MI 2087 AL2 EasiTEST Table of conteents

1Introduction.........................................................................................................4

1.1 General description........................................................................................4

1.2 Warnings........................................................................................................4

1.3 List of parameters measurable by the EasiTest.............................................5

1.4 Standards applied..........................................................................................6

2Instrument description.......................................................................................7

2.1 Front panel.....................................................................................................7

2.2 Connector panel............................................................................................9

2.3 Bottom side..................................................................................................10

2.4 Standard accessories..................................................................................11

2.5 Optional accessories...................................................................................11

2.6 Ways of carrying the instrument..................................................................11

2.7 Accessories required for specific measurement..........................................12

3Measurement instructions...............................................................................13

3.1 Insulation resistance....................................................................................13

3.2 Continuity of protective conductors..............................................................15

3.3 RCD - Contact voltage and fault loop resistance.........................................18

3.4 RCD - Trip-out time......................................................................................20

3.5 RCD – Trip-out current................................................................................23

3.6 RCD - Automatic test...................................................................................24

3.7 Fault loop resistance and prospective short-circuit current..........................29

3.8 Line resistance RL-N/RL-L and prospective short-circuit current.................30

4Other operations...............................................................................................33

4.1 Reset of the instrument................................................................................33

5Maintenance......................................................................................................34

5.1 Batteries.......................................................................................................34

5.2 Fuses...........................................................................................................35

5.3 Cleaning.......................................................................................................35

5.4 Periodic calibration......................................................................................36

5.5 Service.........................................................................................................36

6Technical specification....................................................................................37

6.1 Functions.....................................................................................................37

6.2 General characteristics................................................................................38

MI 2087 AL2 EasiTEST Introduction

1Introduction

Congratulations on your purchase of the EasiTest test instrument and it's accessories,

produced by METREL d.d. We are glad to offer high professional test equipment for

carrying out absolute inspection of electrical installations in buildings. The equipment

was designed and produced on basis of rich experiences, acquired through many

years of dealing with electrical installation test equipment.

1.1 General description

The EasiTest is professional, multifunctional, portable test instrument, intended for

carrying out measurements according to European standard EN 61557, as well as

various other tests and measurements.

The instrument is equipped with all accessories, necessary for comfortable testing. It

is kept in a soft carrying bag together with all the enclosed accessories.

Electronic part of the EasiTest is produced in SMD technology, which demands

practically no service interventions. Wide, custom designed display with backlight

offers easy to read main results as well as wide range of subresults, parameters and

messages. Operation is simple and clear; operator does not need any special training

(except to read this instruction manual) to operate the instrument.

In order for the operator to be familiar enough with measurements in general, it is

advisable to read the enclosed handbook Measurements on electric installations in

theoryand practice.

1.2 Warnings

In order to reach high operator’s safety, while carrying out various measurements and

tests using the EasiTest, as well as to keep the test equipment undamaged, it is

necessary to consider the following general warnings:

q If the test equipment is used in manner not specified in this instruction manual,

the protection provided by the equipment may be impaired!

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

q In case any fuse is blown, follow the instructions in this instruction manual to

replace it!

q Service intervention or calibration procedure is allowed to be carried out only

by a competent, authorised person!

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

while dealing with hazardous voltages!

q Use only standard or optional test cables supplied by your dealer!

MI 2087 AL2 EasiTEST Introduction

1.3 List of parameters measurable by the EasiTest

Parameter Switch

position Description

Insulation resistance INSULATION Test voltage: 250 V, 500 V, 1000 V

Continuityresistance of

protective conductors

CONTINUITY -Test current: >200mADC

-Single measurement

-Auto polarity reverse

Fault loop resistance RL-PE LOOP L-E,

PSC -Max. test current 2,5 A

Fault loop prospective

short-circuit current Ipsc LOOP L-E,

PSC -Calculation:

Ipsc = UN⋅1,06/RL-

Voltage UL-PE LOOP L-E,

PSC -0 ÷264 V

Line resistance RL-N LOOP L-N,

PSC -Max. test current 2,5 A

Line prospective

short-circuit current Ipsc LOOP L-N,

PSC -Calculation:

Ipsc = UN⋅1,06/RL-

Voltage UL-N LOOP L-N,

PSC -0 ÷264 V

RCD - Contact voltage Uc TRIP-LOCK -Without test rod

-No trip-out RCD

RCD -

Fault loop resistance

RL (external source) TRIP-LOCK -Without test rod

-No trip-out RCD

RCD - Trip-out time t∆NRCD

MANUAL -At 0,5I∆N, I∆N, 2I∆N

(multiplier 5 is not available, if

I∆N = 1000 mA)

RCD – Trip-out current I∆RCD

RAMPTEST -Rising current

(0,2 ÷1,1)I∆N

RCD - Trip-out time t∆at

trip-out Current I∆RCD

RAMPTEST

RCD - Automatic test

RCD AUTO -Contact voltage

measurement

-Trip-out time measurement

at 0,5I∆N, I∆N and 5I∆

(both test curr. start phases)

MI 2087 AL2 EasiTEST Introduction

1.4 Standards applied

Instrument operation:

IEC / EN 61557-1

IEC / EN 61557-2

IEC / EN 61557-3

IEC / EN 61557-4

IEC / EN 61557-6

DIN VDE 100

BS 7671 – 16th edition

Electromagnetic compatibility (EMC):

EN 61326

Safety:

IEC / EN 61010-1 (instrument)

IEC / EN 61010-2-31 (accessories)

MI 2087 AL2 EasiTEST Instrument description

2Instrument description

2.1 Front panel

Fig. 1: Front panel

MI 2087 AL2 EasiTEST Instrument description

Legend:

1........ON/OFF key, to switch ON or OFF the instrument. Auto OFF will occur

automatically 10 minutes after any key is pressed or function switch rotated.

2........LAMP key, to turn ON or OFF display backlight. Auto OFF will automatically

occur 20 seconds after to any key is pressed or function switch rotated.

3........START key, to start any measurement.

4........DISPLAY key, to:

q Check last actual test voltage (INSULATION position) after finishing the

measurement.

q Check lower partial result in Continuity of protective conductors function, when

main test result is displayed (CONTINUITY position).

q Switch between voltage and frequency measurement (LOOP L-N, PSC or

LOOP L-E, PSC position) before START key is pressed.

q Check Prospective Short-circuit Current Ipsc (LOOP L-N, PSC or LOOP L-E,

PSC position) when main test result is displayed.

q Check Fault Loop Resistance value and set Limit Contact Voltage (TRIP-LOCK

position)when result Uc is displayed.

q Check Contact Voltage and set Limit Contact voltage (RCD MANUAL position),

when result t∆N is displayed.

q Check Contact Voltage, Trip-out Time at trip-out current and set Limit Contact

Voltage (RCD RAMPTEST position) when result I∆is displayed.

5........LCD with backlight.

6........Function switch, to select appropriate parameter to be tested.

7........Belt slot, to fix carrying belt.

8........CAL key, to compensate resistance of test leads in CONTINUITY function.

9........ key, to reduce settable parameter value.

10......▲key, to increase settable parameter value.

11......SELECT key, to select/set function parameters as follows:

q INSULATION (nominal test voltage)

q RCD AUTO (nominal differential current, RCD type)

q RCD RAMPTEST (nominal differential current)

q RCD MANUAL (nominal differential current, multiplier of nominal differential

current, RCD type)

q TRIP-LOCK (Loop/Rs or contact voltage, nominal differential current, RCD

type, limit contact voltage)

MI 2087 AL2 EasiTEST Instrument description

2.2 Connector panel

Use original testcables only!

Max. allowedvoltagebetweentest terminals

and ground is300V!

Max. allowedvoltagebetweentest terminals

is500V!

Fig. 2: Connector panel

Legend:

1........Main test connector

MI 2087 AL2 EasiTEST Instrument description

2.3 Bottom side

Fig. 3: Bottom side

Legend:

1........Nylon strip (it serves for carrying the instrument around the neck).

2........Auxiliary nylon strip (it serves for fixing the instrument around operator' body).

3........Plastic cover (it fixes nylon strip to the instrument). There is a screw under the

cover which has to be unscrewed when opening the instrument for service or

calibration purpose.

4........Screw (unscrew it to remove carrying strip or to open the instrument).

5........Label with measurement ranges.

6........Battery/fuse compartment cover.

7........Screw (unscrew it to replace batteries or blown fuse).

8........Rubber foot.

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