Gossen MetraWatt DIN VDE 0701, DIN VDE 0702 Operating Instructions Manual

Operating Instructions

MINITEST⏐MASTER⏐PRO⏐BASE

Testers per DIN VDE 0701 and 0702

3-349-358-15

4/7.07

2 GMC-I Gossen-Metrawatt GmbH

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GMC-I Gossen-Metrawatt GmbH 3

1 Mains power cable
2 Fuse (for protecting the probe (3))
3 Probe connector socket for measuring

protective conductor current (PE) or
contact current (I

C

)

4 Rotary switch for selecting the desired

measuring function
5USB port *
6 Send key * for data transmission or

storage
7 LEDs for indicating adherence to, or

violation of limit values
8 Earthing contact mains outlet
9 Earthing contact test socket

10 Probe connector socket for insulation

resistance measurement

(only necessary for Safety Class II)

11 LCD *
12 POWER ON key *
13 RCCB test/POWER OFF key *
14 Fuse for 16 A mains outlets

and mains switch

15 CEE test socket 1P+N+PE 16 A-6h
16 CEE test socket 3P+N+PE 16 A-6h
17 CEE test socket 1P+N+PE 32 A-6h
18 CEE mains socket 3P+N+PE 32 A-6h
19 CEE mains socket 1P+N+PE 16 A-6h
20 CEE mains socket 3P+N+PE 16 A-6h
21 CEE mains socket 1P+N+PE 32 A-6h
22 CEE mains socket 3P+N+PE 32 A-6h
23 Barcode scanner connection

(9-pin, subminiature plug) **

24 Probe cable

*not for MINITEST⏐BASE
** MINITEST⏐MASTER and MINITEST 3P⏐MASTER only

* as from series launched in March 2007

Features of MINITEST⏐...
series

MINITEST 3P⏐MASTER

MINITEST⏐MASTER

MINITEST⏐PRO

MINITEST⏐BASE

Connection types

Tests on monophase DUTs

✘✘✘✘

Tests on 3-phase DUTs
via additional test sockets
CEE 16A / CEE 32A

✘ –––

Fusing devices

Fuse for probe connection

✘✘✘✘

RCCB in mains plug

– ✘✘ –

Miniature circuit breaker

✘ –––

Report functions

Illuminated two-line LCD *

✘✘✘–

Memory for 2,000 tests
(10 measured values per test)

✘✘––

Key for transmission of
measured values

✘✘✘–

Key for storing measured values

✘✘––

Data interface (USB port)

✘✘✘–

Barcode scanner connection
(9 pin, subminiature plug)

✘✘––

Standard equipment
accessories of MINITEST⏐...
series

MINITEST 3P⏐MASTER

MINITEST⏐MASTER

MINITEST⏐PRO

MINITEST⏐BASE

Probe cable with test probe

✘✘✘✘

Adapter for earthing contact plug
to CEE coupling 3P+N+PE 32 A-6h

✘ –––

Adapter for plug 1P+N+PE 16 A
to CEE coupling 3P+N+PE 32 A-6h

✘ –––

Adapter for plug 3P+N+PE 16 A

to

CEE coupling 3P+N+PE 32 A-6h

✘ –––

Adapter for plug 1P+N+PE 32 A

to

CEE coupling 3P+N+PE 32 A-6h

✘ –––

USB connector cable

✘✘✘–

PC analysis software programs on CD-ROM

✘✘✘–

Operating instructions

✘✘✘✘

4 GMC-I Gossen-Metrawatt GmbH

Table of Contents

1 Applications ...............................................4

2

Safety Features and Precautions .......................4

3 Initial Start-Up ............................................6

4 Test Sequence ...........................................6

5

Descriptions of Individual Measurements .........8

5.1 Measurements at the Test Outlet(s) ........................8

5.2 Measurements at the Mains Outlet(s) .....................9

6 Report Functions ......................................10

6.1 Transmission Mode (Transmission only while

Program MINITEST is Active) ...............................10

6.2

Permanent Transmission (Transmission only while

Program MINITEST is Active) ................................... 10

6.3

Memory Mode (Read-Out only with
Program

MINITEST⏐MASTER

) ................................ 10

6.3.1 Activate Memory Menu .......................................10

6.3.2 Selecting Memory Function .................................10

6.3.3 Exiting the Memory Menu ....................................11

6.3.4 Reading out Stored Measured Values at the PC ....11

6.3.5 Barcode Scanner Function ...................................11

6.3.6 Switching Off Safely ............................................11

7 PC Analysis Software Programs ..............11

7.1 Program „MINITEST“ ........................................11

7.2 Program „MiniTEST Master“ ............................11

8 Technical Data .........................................12

9 Maintenance ............................................14

9.1 Housing .............................................................14

9.2 Replacing the Fuse .............................................14

9.3 Calibration Intervals ............................................14

9.4

Return and Environmentally Sound Disposal .................. 14

10 Accessories ..............................................15

10.1 Standard Equipment ...........................................15

10.2 Order Information for Available

Accessories ........................................................15

11 Repair and Replacement Parts Service

DKD Calibration Laboratory and Rental

Instrument Service ..........................................16

12 Product Support .......................................16

1 Applications

The test instrument is used to test the elec­trical safety of monophase and 3-phase
electrical devices. The test instrument allows
for the measurement of protective conductor
resistance, insulation resistance and differ­ential current and/or contact current in
accordance with DIN VDE 0404.

2 Safety Features and Precautions

The test instrument has been manufactured
and tested in accordance with the following
safety regulations:

IEC 61010-1 / DIN EN 61010-1 / VDE 0411-1,
DIN VDE 0413 parts 2 and 4.

When used for its intended purpose, the
safety of the user, the test instrument and
the device under test (electrical equipment
or electrical medical device) is assured.

Read the operating instructions carefully and
completely before placing your test instrument
into service. Follow all instructions contained
therein. Make sure that the operating instructions
are available to all users of the instrument.

Tests may only be performed by a qualified
electrician, or under the supervision and
direction of a qualified electrician. The user
must be instructed by a qualified electrician
in the execution and evaluation of tests.

Safety Precautions for MINITEST 3P⏐M

ASTER

The instrument is intended for connection
with a 3-phase system up to 32 A.

MINITEST 3P⏐MASTER can also be connected
to all customary CEE and earthing contact
outlets via the adapters included in the stan­dard equipment.

Attention!

!

The instrument may only be con­nected to the mains via the adapters
included in the standard equipment.

Attention!

!

All mains sockets and/or test sock­ets are connected in parallel:
Only one DUT at a time may therefore be
connected to a socket.

GMC-I Gossen-Metrawatt GmbH 5

Observe the following safety precautions:

• MINITEST⏐M

ASTER⏐PRO⏐BASE:

The instrument may only be connected
to electrical systems with a maximum of
230 V which are protected with a fuse or
circuit breaker with a maximum rating of
16 A.

• Measurements within electrical systems

are prohibited.

• Be prepared for the occurrence of

unexpected voltages at devices under
test (for example, capacitors may be
dangerously charged).

• Make certain that the measurement

cables are in flawless condition, e.g. no
damage to insulation, no cracks in
cables or plugs etc.

• Insulation Resistance Measurement R

ISO

Testing is conducted with up to 500 V.
Current limiting is utilized (I < 3.5 mA),
but if the terminals (L or N) are touched,
electrical shock may occur which could
result in consequential accidents.

• Differential Current Measurement I

D

/

Contact Current Measurement I

C

It is absolutely essential to assure that
the device under test is operated with
line voltage during performance of the
differential current and/or contact current
measurement. Exposed conductive
parts may conduct dangerous contact
voltage during testing, and may not
under any circumstances be touched
(MINITEST⏐M

ASTER⏐PRO:

mains power is disconnected if leakage
current exceeds approx. 15 mA).

• The function test may only be performed

after the device under test has
successfully passed the safety test while
connected to the test socket!

The measuring and test instrument may not be
used:

• if it demonstrates visible damage

• with damaged connector cables and
measuring cables

• if it no longer functions properly

• after extraordinary stresses due to transport

• MINITEST 3P⏐MASTER: with other adapters
than those included in the standard
equipment.

In such cases, the instrument must be
removed from operation and secured
against unintentional use.

Meanings of Symbols on the Instrument

The symbols on the instrument have the
following meanings:

Warning concerning a point of
danger (attention: observe
documentation!)

Indicates EC conformity

The device may not be disposed
of with the trash. Further informa­tion regarding the WEEE mark
can be accessed on the Internet
at www.gossenmetrawatt.com
by entering the search term
WEEE.

!

6 GMC-I Gossen-Metrawatt GmbH

3 Initial Start-Up

Connection

Connect the test instrument’s mains plug to
the mains power outlet.

MINITEST 3P⏐M

ASTER:

The instrument can be connected to all cus­tomary CEE sockets by means of the mains
connection adapter (standard equipment).

Switching the MINITEST 3P⏐M

ASTER On:

The instrument is switched on via the 3-pole
miniature circuit breaker (m.c.b.).

Switching the MINITEST⏐MASTER⏐PRO⏐BASE On

The test instrument can be switched on with
the green power-on switch located on the
integrated residual current protective device.
It can be switched back off again with the
blue test key.

Switching the MINITEST⏐B

ASE On

The test instrument is switched on and off
with the help of the mains plug.

4 Test Sequence

Testing for electrical safety always begins
with a visual inspection. The measurements
are then conducted in the order in which
they appear next to the selector switch on
the test instrument, from top to bottom.

For each type of measurement, the test
instrument evaluates the measured values
and indicates whether or not limit values in
accordance with DIN VDE 0701 or 0702
have been adhered to by means of an LED
array.

The number and type of required measure­ments are determined according to the clas­sification of the device under test:

Indication Meaning

Green
LED

The measured value is better than the
strictest limit value.

Red
LED

The measured value is worse than the most
lenient limit value.

Yellow
LED

The limit value is in-between the strictest
and the most lenient limit values. Whether
or not the DUT passes testing depends upon
the device’s classification.
Evaluation should be conducted by a
qualified electrician.

GMC-I Gossen-Metrawatt GmbH 7

* MINITEST 3P⏐MASTER only

Device Under Test

Connect DUT to the test socket. Connect DUT to mains outlet.

– Switch the DUT on.

Protective
conductor
resistance

Probe socket
PE/ I

C

Protective
conductor
resistance

Permanent,
probe socket
PE/ I

C

Insulation
resistance

No probe
required

Insulation
resistance

Probe
socket R

ISO

Differential
current

No probe
required

Contact current

Probe socket
PE/ I

C

Safety class I

Earth contact plug

Without
exposed parts

✘✘

✘

Test with the
mains plug
poled in both
directions.

With exposed
parts, not
connected
with PE

✘

✘

Test with the
mains plug
poled in both
directions.

✘

Test with the
mains plug
poled in both
directions.

CEE plug *

Without ex­posed parts

✘✘✘

With exposed
parts, not
connected
with PE

✘✘✘✘

Permanently
connected DUT

✘

✘

Safety class II

With European
earth contact plug

✘

✘

Test with the
mains plug
poled in both
directions.

Use of mains outlet number depending on the mains terminal
(all test sockets as well as mains outlets No. 8 and 19 can always be used
regardless of which mains adapters are used)

Mains outlet number

20 21 22

Mains connection with mains plug 3P+N+PE 32 A

✘✘✘

Connection with earthing contact plug adapter to CEE coupling 3P+N+PE 32 A-6h

–

✘

max. 16 A

–

Connection with adapter for plug 1P+N+PE 16 A to CEE coupling 3P+N+PE 32 A-6h

–

✘

max. 16 A

–

Connection with adapter for plug 3P+N+PE 16 A to CEE coupling 3P+N+PE 32 A-6h

✘

✘

max. 16 A✘max. 16 A

Connection with adapter for plug 1P+N+PE 32 A to CEE coupling 3P+N+PE 32 A-6h

– ✘ –

8 GMC-I Gossen-Metrawatt GmbH

5 Descriptions of Individual Measurements

5.1 Measurements at the Test Outlet(s)

Protective Conductor Resistance, R

PE

SOCKET

The probe must be plugged into the

PROBE PE/I

C

socket for the measurement of
protective conductor resistance. Measure­ment is performed between the protective
conductor terminal at the test outlet and the

PROBE PE/I

C

socket.

Protective Conductor Resistance, R

PE

FIX

This measurement is used for testing the
protective conductor at permanently con­nected devices. The test instrument must be
connected to the same supply circuit as the
device under test during measurement.

Attention!

!

Good test results may be obtained
with parallel ground connections,
although the protective conductor is
interrupted.

The probe must be plugged into the

PROBE PE/IC socket for the measurement of

protective conductor resistance. Measure­ment is performed between the protective
conductor terminal at the mains connection
and the PROBE PE/I

C

socket.

Testing is performed up through a resistance
value of approximately 1.3 Ω with automatic
polarity reversal.

The earthing contact resistance and the test
current are indicated on the LCD (not for

MINITEST⏐BASE).

Checking the Zero Point and the Fuse

The zero point and the internal fuse can be
checked by inserting the plug attached to
the test probe cable into the PROBE R

ISO

socket and the tip of the test probe into the

PROBE PE/IC socket with the selector switch in
the R

PE

SOCKET or RPE FIX setting. The dis-

played value should not exceed 100 mΩ.
Note: If a current of 0 mA is indicated, the

fuse is usually defective. Test and replace it,
if required.

Attention!

!

It is absolutely essential to insert the
tip of the test probe into the

PROBE PE/IC socket for this test!

Attention!

!

Use only the probe cable which is
included with the test instrument. If a
different probe cable is used:
– The measured value may be

distorted.

– The test instrument may be

damaged.

– Malfunctioning may occur.

Insulation Resistance, R

ISO

Various test types are provided for the mea­surement of insulation resistance.

The test type is selected automatically when
the test probe is plugged into the probe
connector socket (10).

The original test probe cable must be used
in order to take advantage of this function.
Test type switching cannot be assured if
other test probe cables are used.

• For safety class I DUTs without exposed
conductive parts:
Test insulation between L/N and PE at
the test outlet.

The test probe cable may not be plugged into
the PROBE R

ISO

socket for this test!

• For safety class II DUTs, or for safety
class I DUTs with exposed conductive
parts which are not connected to the
protective conductor:
Test between L/N at the test outlet and
the PROBE R

ISO

socket.

The test probe must be plugged into the
PROBE R

ISO

socket for this test!

The insulation resistance and the test volt­age are indicated on the LCD (not for MINIT-
EST⏐BASE).

GMC-I Gossen-Metrawatt GmbH 9

Discharging the Device Under Test

The device under test is automatically
discharged when the insulation test is
switched off (turn switch to R

PE

or ID).

The LEDs light up rapidly, one after the other
from left to right, during discharging.

Furthermore, residual voltage appears at the
display (not for MINITEST⏐B

ASE).

Leave the DUT connected to the test
instrument during the discharging sequence.

5.2 Measurements at the Mains Outlet(s)

Differential current and/or contact current
measurements are performed at the mains
outlet(s). The DUT must be unplugged, and
plugged back in again. In the case of mains

plugs which are not polarity protected, testing
must be conducted with the mains plug poled in
both directions.

Attention!

!

The mains outlet(s) always con­duct(s) voltage as soon as the test in­strument has been switched on.

Note!



Make sure that the device under test
is switched off before plugging it into
the mains outlet.

The device under test must be switched on during
testing.

The device under test must be switched
back off before it is unplugged from the
mains outlet.

Differential Current Measurement, I

D

Total current from all phase conductors is
measured during differential current mea­surement. For safety class I devices, this
corresponds to the amount of current which
is conducted by the protective conductor.

Differential current is displayed in mA at the
LCD (not for MINITEST⏐BASE).

Evaluating the Measured Values

Measured values of less than 0.5 mA are
indicated by means of a green LED.

Measured values of greater than 3.5 mA are
indicated by means of a red LED. These
devices may be dangerous, however, for

example for 3-phase current devices, there may
be higher admissible limit values of e.g. 1 mA per
kW up to 10 mA, depending on the manufac­turer’s specifications. These cases are all indi­cated with the red LED. Evaluation must be

conducted by a qualified electrician in this
case.

Measured values of between 0.5 and 3.5 mA
are indicated by means of a yellow LED. An
evaluation of electrical safety should be con­ducted by a qualified electrician in this case.

Contact Current Measurement, I

C

When measuring contact current, current is
measured which is conducted via the probe
at the PROBE PE/I

C

socket to the protective

conductor terminal at the device under test.

Evaluating the Measured Values

Measured values of less than 0.25 mA are
indicated by means of a green LED. There is
no danger in touching these parts.

Measured values of greater than 0.5 mA are
indicated by means of a red LED. Devices
which demonstrate these values are
dangerous because persons who touch
them are startled, which may result in
consequential accidents.

These devices may not be placed back into
service.

Measured values of between 0.25 and

0.5 mA are indicated by means of a yellow
LED. Current within this range is not
dangerous, but the threshold of perception
is approximately 0.1 mA depending upon
sensitivity, which causes mild tingling. This is
unpleasant for some people, for which
reason devices of this sort should be
examined.

Self-Test

A device self-test is conducted when the
selector switch is turned to the LED Test
position.

Testing is indicated by the LEDs which light
up one after the other from left to right.

10 GMC-I Gossen-Metrawatt GmbH

6 Report Functions

Depending on the selected operating mode,
the measured values and the result of each
test can be transmitted to a PC via USB port
for onward processing or stored to the inter­nal device memory. The transmission or
storage process of measured values is indi­cated by all LEDs lighting briefly up from
right to left.

Selection of Operating Mode

The corresponding PC analysis software
programs have to be installed and started
for the three different operating modes in
order to receive data, see table above.

Press key „S“ (6) when switching on the
instrument to set the requested operating
mode. The following operating modes are
shown in subsequent order:

• „Transmission mode“, siehe chapter 6.1

• „Permanent transmission“, see chapter 6.2

• „Memory mode“, see chapter 6.3
The operating mode which is indicated when

releasing key „S“ (6) is selected. This setting
remains active even after switching off the
instrument.

6.1 Transmission Mode (Transmission only
while Program MINITEST is Active)

To transmit the current measured value, key
„S“ must be pressed in operating mode
„Transmission mode“ .

6.2 Permanent Transmission (Transmission
only while Program MINITEST is Active)

If operating mode „Permanent transmission“
is activated, each measured value is trans­mitted via the USB port.

6.3

Memory Mode (Read-Out only with
Program MINI

TEST⏐MASTER

)

In the test instruments MINITEST⏐MASTER or
MINITEST 3P⏐MASTER a maximum of 2,047

DUTs with 10 measured values per DUT can
be stored. If an attempt is made to store
more than 10 measured values for one DUT,
the additional values are ignored and the red
LED lights up briefly.

6.3.1 Activate Memory Menu

After selecting memory mode (see above) you
have to set the rotary switch to position

Gerä-

teselbsttest/Speichermenü (

Self-test/Memory

Menu)

. Activate the memory menu by pressing
key „S“ (6). The following is shown on the LCD:
** MEMORY MENU ** SELECTION -> SWITCH.
You may now select the requested memory
function via the rotary switch.

6.3.2 Selecting Memory Function

➭ Key NUM – > Menu DUT NUM –

The number of the current memory location
is reduced by one each time key „S“ (6) is
pressed. The lowest possible value is „1“.
The letter „D“ in front of the number signifies
that data are already available for this mem­ory location.

➭ Key NUM + > Menu DUT NUM+

The number of the current memory location
is increased by one each time key „S“ (6) is
pressed. The highest possible value is
„2,047“, i.e. a maximum of 2,047 DUTs can
be tested. The letter „D“ in front of the num­ber signifies that data are already available
for this memory location.

➭ Key DATA > Menu MEASURED VALUE NO.

In this switch position all measured values of
a DUT are shown in a consecutive, numeri­cal sequence in the order of their recording.

Operating mode selected
at the test instrument

MINITEST 3P⏐MASTER

MINITEST⏐MASTER

MINITEST⏐PRO

PC
analysis
software
depend­ing on the
operating
mode

Transmission mode

(Transmission of individual
measured values)

✘✘✘

MINITEST

Permanent transmission

(Continuous transmission of
measured values)

✘✘✘

MINITEST

Memory mode

(Internal measured value
memory)

✘✘

—MiniTEST

Master

GMC-I Gossen-Metrawatt GmbH 11

➭ Key CLR > Menu DUT DEL ?

Pressing key „S“ (6) deletes the current
memory location, i.e. all data for the selected
DUT. As a preventive measure against acci­dental deletion you have to keep key „S“ (6)
pressed for about half a second before the
deletion process is started. The red LED
lights up during the deletion.

➭

Key CLR ALL > Menu DELETE MEMORY ?

Pressing key „S“ (6) deletes the entire device
memory. As a preventive measure against
accidental deletion you have to keep key „S“
(6) pressed for about 1 to 2 seconds before
the deletion process is started. The red LED
lights up during the deletion.

6.3.3 Exiting the Memory Menu

Set the rotary switch to position Geräteselb­sttest/Speichermenü (Self-test/Memory
Menu) and press key „S“ (6) to exit the mem­ory menu.

In operating mode „Memory mode“ the last
measured value indicated after a measure­ment is shown when pressing key „S“ (6).
The storage operation - as well as transmi­sion of the values via USB port - is indicated
by a flickering of the LEDs. If more than 10
values are stored for one DUT, the red LED
lights up additionally for approx. half a sec­ond, thus signalling that it was not possible
to store the measured values.

6.3.4 Reading out Stored Measured Values
at the PC

Prerequisite: The test instrument may not be
set to Geräteselbsttest/Speichermenü
(Memory Menu or Self-test).

The stored measured values can be trans­mitted from the test instrument to a PC via
the analysis software and the USB port
where they can be evaluated and docu­mented.

6.3.5 Barcode Scanner Function

Connect the barcode scanner to jack 23.
Only barcode scanners by GMC-I Gossen-

Metrawatt GmbH may be used, e. g. type
B3261.

Barcode scanners with USB port are not
suitable.

In function „NUM+“ and „NUM-“ a text com­prising a maximum of 24 characters which
has been scanned with the barcode scanner
is recorded as a description of the DUT. The
text is shown in the second line of the LCD
and stored.

6.3.6 Switching Off Safely

You have to exit the memory menu before
switching off the test instrument or discon­necting it from the mains. Set the rotary
switch (4) to position Geräteselbsttest/Spei­chermenü (Self-test/Memory Menu) and
press key „S“ (6) for approx. half a second.

7 PC Analysis Software Programs

Two PC software programs for the adoption
and evaluation of data with the following fea­tures are available on the attached CD ROM:

7.1 Program „MINITEST“

• Automatic adoption of measured values:
Start test, display measurement results,
save results

• Customer data management

• Other functions:
– Selection between

VDE 0701 and 0702
– Establishing the test cycle
– Automatic adoption of the contractor’s

data in the test report

• Transmit measurement results to a word
processing program

7.2 Program „MiniTEST Master“

• Read-out of device memory

• Presentation of measurement data in
tabular form

• Exporting the table to Excel

• Preparation of test reports

12 GMC-I Gossen-Metrawatt GmbH

8 Technical Data

*With automatic polarity reversal

Intrinsic Error and Measuring Error

Influencing Quantities and Influence Error

Measured Quantity Measuring Range Reso-

lution

U

no-load

R

i

I

K

I

N

Protective conductor resistance 0 … 1.30 Ω

1.0 … 99.9 Ω

10 mΩ
100 m

Ω

< 5 V −
< 5 V −

> 200 mA *

Insulation resistance 0 … 9.99 MΩ 10 kΩ 520 V − approx.

50 kΩ

< 3.5 mA > 1 mA

Contact current measurement
(verification of absence of voltage)

0 … 9.99 mA ∼ 10 μA1 kΩ

Differential current

MINITEST⏐M

ASTER⏐PRO⏐BASE

0.1 . . . 9.99 mA~

10 μA

Differential current

MINITEST 3P⏐MASTER

0.2 . . . 9.99 mA~ 10 μA

Measured Quantity Intrinsic Error Measuring Error

Protective conductor resistance ± (5% rdg. + 4 d) ± (10% rdg. + 6 d)
Insulation resistance ± (7% rdg. + 2 d) ± (10% rdg. + 5 d)

Contact current measurement
(verification of absence of voltage)

± (5% rdg. + 4 d) ± (10% rdg. + 5 d)

Differential current

MINITEST⏐M

ASTER⏐PRO⏐BASE

± (5% rdg. + 6 d) ± (10% rdg. + 6 d)

Differential current

MINITEST 3P⏐M

ASTER

± (5% rdg. + 10 d) ± (10 % rdg. + 10 d)

Influencing Quantity /
Sphere of Influence

Designation per
DIN VDE 0404

Influence Error
± … % of Measured Value

Change of position E1 —

Change to test equipment supply
voltage

E2 2.5

Temperature fluctuation

E3

Specified influence error valid starting
with
temperature changes as of 10 K:

0 … 21° C and 25 … 40° C 1 for protective conductor resistance

0.5 for all other measuring ranges

Amount of current at DUT E4 2.5

Low frequency magnetic fields E5 2.5

DUT impedance E6 2.5

Capacitance during insulation
measurement

E7

2.5

Waveshape of measured current

E8

49 … 51 Hz 2 with capacitive load

(for equivalent leakage current)

45 … 60 Hz 1 (for contact current)

2.5 for all other measuring ranges

GMC-I Gossen-Metrawatt GmbH 13

Reference Conditions

Ambient temperature

+23° C ±2K

Relative humidity 40 ... 60%
Line voltage

MINITEST⏐M

ASTER⏐PRO⏐BASE: 230 V ±1%

MINITEST 3P⏐M

ASTER: 230 V/400 V ±1%

Measured quantity
frequency 50 Hz ±0.2%

Measured quantity
waveshape Sine (deviation

between RMS and
rectified value:
±0.5%)

Ambient Conditions

Operating temp. 0 to + 40° C
Storage temp. range –20 to +70° C
Humidity Max.75%, no con-

densation allowed

Elevation to 2000 m

Power Supply

Line voltage

MINITEST

⏐MASTER⏐PRO⏐BASE

:

230 V 50 Hz

MINITEST 3P

⏐MASTER: 230V/400V50Hz

Throughput rating

MINITEST

⏐MASTER⏐PRO⏐BASE

:

max. 3700 VA

MINITEST 3P⏐MASTER: max. 38.4 kVA
depending upon load at the mains outlet

Electrical Safety

Safety class I
Nominal line voltage 230 V
Tes t v ol ta ge

Mains + PE (mains) to
test outlet,
probe socket PE/IC or
R

ISO

: 1.5 kV∼
Mains to PE (mains):
3 kV

∼

Measuring category 300 V CAT II
Contamination degree 2
Fuse FF0,315H1000V

or FF0,315H500V
or FF0,315H250V

MINITEST 3P⏐M

ASTER

only:

3 x C16A

Residual current
protective device
(

MINI

TEST

⏐MASTER⏐PRO

)

30 mA with
undervoltage trigger
and inhibiting of
automatic restart

Display and Indicating Devices

LCD (not for MINITEST⏐B

ASE)

Dot matrix display, two lines of 20 characters
each

LEDs

9 LEDs for indicating compliance with or
violation of limit values:
1 red, 7 yellow and 1 green

Mechanical Design

Dimensions/weight

MINITEST

⏐MASTER⏐PRO⏐BASE:

W x H x D: 200 mm x 1mm x 77 mm
(without integrated outlets, grommets and
rotary switch)

Weight approx. 1.5 kg

MINITEST 3P⏐M

ASTER

W x H x D: 350 mm x 160 mm x 125 mm
(without surface-type outlets, grommets, cir­cuit breaker and rotary switch)
(overall dimensions without cables)

Weight approx. 3.3 kg

Protection housing IP 44,

terminals IP 20

Table excerpt regarding significance of the
IP code

s

Electromagnetic Compatibility (EMC)

Generic Standard EN 61326-1: 1997

EN 61326: 1997/A1:
1998

IP XY

(1

st

digit X)

Protection

against foreign

object entry

IP XY

(2nd

digit Y)

Protection

against the

penetration of

water

2 ≥ 12.5 mm dia.

0 not protected

4 ≥ 1.0 mm dia.

4 splashing water

14 GMC-I Gossen-Metrawatt GmbH

9 Maintenance

9.1 Housing

No special maintenance is required for the
housing. Keep outside surfaces clean. Use a
slightly dampened cloth for cleaning. Avoid
the use of cleansers, abrasives or solvents.

9.2 Replacing the Fuse

Instructions on checking the zero point and
fuse are given in chapter 5.1.

Attention!

!

Disconnect the instrument from the
measuring circuit before removing
the fuse for replacement!

Eliminate the cause of the overload after the
fuse has blown before putting the instrument
back into service!

The fuse holder is situated between the
mains power cable and the probe connector
socket. The characteristic value of the fuse
is indicated on the front plate or in chapter 8.

Attention!

!

Please make absolutely sure that
only the specified fuse is inserted!
If fuses with other blowing character­istics, other current ratings or other
breaking capacities are used, the op­erator is placed in danger, and pro­tective diodes, resistors and other
components may be damaged.

The use of mended fuses or short-circuiting
the fuse holder is prohibited.

The defective fuse can be disposed of with
the trash.

9.3 Calibration Intervals

According to DIN VDE 0702, measuring
instruments used for periodic testing must
be tested and calibrated in accordance with
the manufacturer’s specifications on a
regular basis. Depending upon usage, the
manufacturer recommends an interval of 1
to 3 years for this test instrument.

Note:
These tests can be performed on-site with
the SECU-cal 10 calibration adapter acces­sory.

9.4 Return and Environmentally Sound Disposal

The test instrument is a category 9 product
(monitoring and control instrument) in accor­dance with ElektroG (German electrical and
electronic device law). This device is not
subject to the RoHS directive.

We identify our electrical and elec­tronic devices (as of August 2005)
in accordance with WEEE 2002/
96/EC and ElektroG with the sym­bol shown to the right per
DIN EN 50419.

These devices may not be disposed of with
the trash.

Please contact our service department
regarding the return of old devices (see
chapter 11).

GMC-I Gossen-Metrawatt GmbH 15

10 Accessories

10.1 Standard Equipment

Please refer to page 3 for the standard
equipment accessories.

CD ROM (not for MINITEST⏐B

ASE)

System requirements

MS WINDOWS XP SP2
➭ USB port 1.1 or 2.0.

10.2 Order Information for Available
Accessories

The accessories available for your measur­ing instrument are regularly examined for
compliance with the currently applicable
safety standards and are extended to in­clude new application fields, if necessary.
The suitable, up-to-date accessories for
your measuring instrument are shown on our
website www.gossenmetrawatt.com with
the associated photo, order number, de­scription and, depending on the scope of
the accessories, datasheet and operating in­structions.

Description Type Article

number

Probe for measuring protective conductor
resistance, e.g. at rotating devices under
test

Brush
probe Z745G

Calibration adapter for test instruments per
DIN VDE 0701/0702/0751 (max. 200 mA

)

SECU­cal 10 Z715A

Test adapter for electrical devices and
extension cables with CEE plug-and­socket devices

VL2 E Z745W

Barcode scanner

B3261

GTZ
3261
000
R0001

Barcode and label printer including
software

Z721D Z721D

Label set for printer Z721D
(quantity x width: 3x24/1x18/1x9mm,
each 8 m long)

Z722D Z722D

Label set for printer Z721D (5 ribbons,
each 18 mm wide and 8 m long)

Z722E Z722E

PC software for the generation of reports
and lists as supplement to MS-Word/EX­CEL (language version German/English/
French/Finnish/Polish (Exception: EXCEL
only in German/English)

PC.doc­WORD
™/EX­CEL™ Z714A

Case for MINITEST⏐MASTER,
MINITEST⏐PRO
and MINITEST⏐BASE

Case Z740B

Universal carrying pouch for

MINITEST⏐MASTER,
MINITEST⏐PRO

and MINITEST⏐BASE

F2000 Z700D

Universal carrying pouch big
for MINITEST 3P⏐MASTER

F2010 Z700F

Edited in Germany • Subject to change without notice • A pdf version is available on the Internet

GMC-I Gossen-Metrawatt GmbH
Thomas-Mann-Str. 16-20
90471 Nürnberg •

Germany

Phone [phone]
Fax [phone]
E-Mail [e-mail]
www.gossenmetrawatt.com

11 Repair and Replacement Parts Service

DKD Calibration Laboratory* and Rental
Instrument Service

If required please contact:

GMC-I Gossen-Metrawatt GmbH
Service Center
Thomas-Mann-Str. 20
90471 Nürnberg · Germany
Phone: [phone]
Fax: [phone]
E-mail

[e-mail]

This address is only valid in Germany.
Please contact our representatives or sub­sidiaries for service in other countries.

*

Calibration Laboratory for Measured
Electrical Quantities: DKD – K – 19701,
accredited per DIN EN ISO/IEC 17025:
2005

Accredited quantities: direct voltage, direct current
value, direct current resistance, alternating voltage,
alternating current value, AC active power, AC apparent
power, DC power, capacitance, frequency and temper­ature

Competent Partner

GMC-I Gossen-Metrawatt GmbH is certified
in accordance with DIN EN ISO 9001:2000.

Our calibration laboratory is accredited per
DIN EN ISO/IEC 17025 by the Physikalisch­Technischen Bundesanstalt (German
Federal Institute of Physics and Metrology)
and the Deutscher Kalibrierdienst (German
Calibration Service) under registration num­ber DKD–K–19701.

We offer a complete range of expertise in the
field of metrology: from test reports and fac-

tory calibration certificates, right on up to DKD
calibration certificates.

Our spectrum of offerings is rounded out
with free test equipment management.

Our service department includes an on-site
DKD calibration bench. If errors are discovered
during calibration, our specialized personnel
are capable of completing repairs using
original replacement parts.

As a full service calibration lab, we can cali­brate instruments from other manufacturers
as well.

12 Product Support

If required please contact:

GMC-I Gossen-Metrawatt GmbH

Product Support Hotline

Phone: [phone]
Fax: [phone]
E-mail

[e-mail]