GMC-I Messtechnik GmbH 5
2 Application
The PROFITEST MASTER measuring and test instrument is used for
rapid and efficient testing of protective measures in
accordance with DIN VDE 0100, part 600:2008
(Erection of
low-voltage installations; tests – initial tests)
, ÖVE-EN 1 (Austria),
SEV 3755 (Switzerland) and other country-specific regulations.
The device is equipped with a microprocessor and complies with
IEC 61557/EN 61557/VDE 0413 regulations:
Part 1: General requirements
Part 2: Insulation resistance testers
Part 3: Loop resistance testers
Part 4: Instruments for the measurement of resistance at
earthing conductors,
protective conductors and bonding
conductors
Part 5: Earthing resistance testers
Part 6: Instruments for the testing of proper functioning of
residual current devices (RCDs) and the effectiveness of
protective measures in TT and TN systems
Part 7: Phase sequence testers
Part 10:Combined instruments for the testing, measuring or
monitoring of protective measures
It is especially suited for:
•Systems set-up
• Initial start-up
• Periodic testing
• Troubleshooting for electrical systems
All measurement values required for approval reports (e.g. ZVEH)
can be acquired with the instrument.
All acquired data can be archived, and measurement and test
reports can be printed out at a PC. This is of special significance
where product liability is concerned.
The applications range of the PROFITEST M
ASTER covers all
alternating and three-phase current systems with nominal
voltages of 230 V / 400 V (300 V / 500 V), and nominal
frequencies of 16
2
/
3
/ 50 / 60 / 200 / 400 Hz.
The following measurements and tests can be performed with the
PROFITEST M
ASTER:
• Voltage / frequency / phase sequence
• Loop impedance / line impedance
• RCD protective circuits
• Earthing resistance / earth electrode potential
• Standing surface insulation resistance / insulation resistance
• Earth leakage resistance
• Low-value resistance (potential equalization)
• Leakage current with current transformer clamp
• Meter start-up
• Cable length
See section 20.2 regarding testing of electrical machines per DIN EN 60204.
For periodic tests in accordance with BGV A3, see section 20.3.
Meaning of Symbols on the Instrument
Warning concerning a source of danger
(attention: observe documentation!)
Safety class II device
charging socket for DC low voltage (Z502P charger)
Attention!
Make sure that only rechargeable batteries are inserted
before connecting the charger.
This device may not be disposed of with the trash. Fur-
ther information regarding the WEEE mark can be
accessed at www.gossenmetrawatt.com by entering
the search term WEEE.
EC label of conformity
2.1 Using Cable Sets and Test Probes
• 2 or 3-pole measuring adapter included
• 2-pole measuring adapter with 10 m cable as optional acces-
sory: PRO-RLO II (Z501P)
• KS24 cable set as optional accessory (GTZ3201000R0001)
Measurements per DIN EN 61010-031 may only be performed in
environments in accordance with measuring categories III and IV
with the safety cap attached to the test probe at the end of the
measurement cable.
In order to establish contact inside 4 mm jacks, the safety caps
have to be removed by prying open the snap fastener with a
pointed object (e.g. the other test probe).
2.2 Overview of Features Included with
Different PROFITEST M
ASTER Variants
* The so-called live measurement is only advisable if there is no biasing current within the system.
Only suitable for motor circuit breaker with low nominal current.
PROFITEST ... MBASE MPRO MTECH MXTRA
Article Number M520M M520N M520O M520P
Testing of residual current devices (RCDs)
U
B
measurement without tripping RCD
3 333
Tripping time measurement
3 333
Measurement of tripping current I
F
3 333
Selective, SRCDs, PRCDs, type G/R
3 333
AC/DC sensitive RCDs, type B, type B+ — —
3 3
Test ing of I MDs — ——
3
Testing of RCMs — ——
3
Testing for N-PE reversal
3 333
Measurement of loop impedance Z
L-PE
/ Z
L-N
Fuse table for systems without RCDs
3 333
Without tripping the RCD, fuse table — —
3 3
With 15 mA test current* without tripping the RCD
3 333
Earthing resistance R
E
(mains operation)
I-U measuring method (2/3-wire measuring method
via measuring adapter: 2-wire/2-wire + probe)
3 333
Earthing resistance R
E
(battery operation)
3 or 4-wire measurement via PRO-RE adapter
—
3
—
3
Soil resistivity
E
(battery operation)
(4-wire measurement via PRO-RE adapter)
—
3
—
3
Selective earthing resistance R
E
(mains opera-
tion)
with 2-pole adapter, probe, earth electrode and
current clamp sensor (3-wire measuring method)
3 333
Selective earthing resistance R
E
(battery operation)
with probe, earth electrode and current clamp
sensor (4-wire measuring method via PRO-RE
adapter and current clamp sensor)
—
3
—
3
Earth loop resistance R
ELOOP
(battery operation)
with 2 clamps (current clamp sensor direct
and current clamp transformer via PRO-RE/2 adapter)
—
3
—
3
Measurement of equipotential bonding R
LO
,
automatic polarity reversal
3 333
Insulation resistance R
ISO
,
variable or rising test voltage (ramp)
3 333
Voltage U
L-N
/ U
L-PE
/ U
N-PE
/ f
3 333
Special measurements
Leakage current (with clamp) I
L
, I
AMP
3 333
Phase sequence
3 333
Earth leakage resistance R
E(ISO)
3 333
Voltage drop
3 333
Standing-surface insulation Z
ST
3 333
Meter start-up
3 333
Leakage current with PRO-AB adapter
— ——
3
Residual voltage test
— ——
3
Intelligent ramp
— ——
3
Features
Selectable user interface language
3 333
Memory (database for up to 50,000 objects)
3 333
Automatic test sequence function —
3
—
3
RS 232 port for RFID/barcode scanner
3 333
USB port for data transmission
3 333
Interface for Bluetooth® — ——
3
ETC user software for PC
3 333
Measuring category: CAT III 600 V/CAT IV 300 V
3 333
DKD calibration
3 333
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