Manual
Gossen Metrawatt GmbH 7
5 Technical Data (excerpt)
The complete technical data and characteristic values (display
ranges, resolution, uncertainties etc.) can be found in the com-
plete operating instructions.
Ambient Conditions
Accuracy 0 … + 40 C
Operation –5 … + 50 C
Storage –20 … + 60 C (without rechargeable
batteries)
Relative humidity Max. 75%, no condensation allowed
Elevation Max. 2000 m
Nominal Ranges of Use
Voltage U
N
120 V (108 … 132 V)
230 V (196 … 253 V)
400 V (340 … 440 V)
Frequency f
N
16
⅔
Hz (15.4 … 18 Hz)
50 Hz (49.5 … 50.5 Hz)
60 Hz (59.4 … 60.6 Hz)
200 Hz (190 … 210 Hz)
400 Hz (380 … 420 Hz)
Overall voltage range 65 … 550 V
Overall frequency range 15.4…420Hz
Waveform Sinusoidal
Temperature range 0 C … + 40 C
Supply voltage 8 … 12 V
Line impedance angle Corresponds to cos =1 … 0,95
Probe resistance < 50 k
Overload Capacity
R
ISO
1200 V continuous
U
L-PE
, U
L-N
600 V continuous
RCD R
E
R
F
440 V continuous
Z
L-PE
, Z
L-N
550 V (Limits the number of measurements
and pause duration. If overload occurs, the
instrument is switched off by means of a
thermostatic switch.)
R
LO
Electronic protection prevents switching on
if interference voltage is present
Protection with
Fine-Wire Fuse FF 3.15 A 10 s,
Fuses blow at > 5 A
Electrical Safety
Protection class II per EN 61010-1
Nominal Voltage 230/400 V (300/500 V)
Test voltage 3.7 kV, 50 Hz
Measuring category CAT III 600 V and CAT IV 300 V
Pollution degree 2
Fuses
L and N terminals 1 fuse link ea.
FF 3.15 A/500G 6.3 x 32 mm
Mechanical Design
Dimensions W × L × D = 260 × 330 × 90 mm
Weight approx. 2.7 kg with rechargeable batteries
Type of protection Housing: IP40; test probes: IP40
per EN 60529
Data Interfaces
Type USB for PC connection
Type RS-232 for barcode and RFID readers
6 Scope of Functions
PROFITEST ...
(article number)
MBASE+
(M520S)
M
PRO
(M520N)
M
TECH+
(M522R)
M
XTRA
(M522P)
Testing of residual current devices (RCDs)
U
B
measurement without tripping the RCCB
✓✓✓✓
Tripping time measurement
✓✓✓✓
Measurement of tripping current I
F
✓✓✓✓
Selective, SRCDs, PRCDs, type G/R
✓✓✓✓
AC/DC sensitive RCDs, types B and B+
——
✓✓
Testing of insulation monitoring devices (IMDs) ———
✓
Testing Residual Current Monitoring Devices (RCMs) ———
✓
Testing for N-PE reversal
✓✓✓✓
Measurements of loop impedance Z
L-PE
/ Z
L-N
Fuse table for systems without RCDs
✓✓✓✓
Without tripping the RCD, fuse table ——
✓✓
15 mA measurement
1)
1)
The so-called live measurement is only advisable if there is no bias cur-
rent within the system. Only suitable for motor protection switches with
small nominal current values.
✓✓✓✓
Earth resistance R
E
(mains operation)
I/U measuring method (2/3-wire measuring method via
measuring adapter: 2-wire/2-wire + probe)
✓✓✓✓
Earthing resistance R
E
(battery operation)
3 or 4-wire measuring method via PRO-RE adapter
—
✓
—
✓
Soil resistivity E (battery operation)
(4-wire measuring method via PRO-RE adapter)
—
✓
—
✓
Selective earthing resistance R
E
(mains operation)
with 2-pole adapter, probe, earth electrode and current
clamp sensor (3-wire measuring method)
✓✓✓✓
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)
—
✓
—
✓
Earth loop resistance R
ESCHL
(battery operation)
with 2 clamps (clip-on current transformer direct and clip-
on current transformer via PRO-RE/2 adapter)
—
✓
—
✓
Measurement of equipotential bonding R
LO
automatic polarity reversal
✓✓✓✓
Insulation resistance R
ISO
Variable or rising test voltage (ramp)
✓✓✓✓
Voltage U
L-N
/ U
L-PE
/ U
N-PE
/ f
✓✓✓✓
Special measurements
Current measurement with clamp I
L
, I
AMP
✓✓✓✓
Rotating Field Direction
✓✓✓✓
Earth leakage resistance R
E(ISO)
✓✓✓✓
Voltage drop (U)
✓✓✓✓
Standing-surface insulation Z
ST
✓✓✓✓
Meter start-up (kWh test)
✓✓✓✓
Leakage current with PRO-AB adapter (IL)
———
✓
Residual voltage test (Ures)
———
✓
Intelligent ramp (ta + I)
———
✓
Electric vehicles at charging stations (IEC 61851-1)
——
✓✓
Documentation of fault simulations at PRCDs with the
PROFITEST PRCD adapter
———
✓
Features
Selectable user interface language
2)
2)
currently available languages D, GB, I, F, E, P, NL, S, N, FIN, CZ, PL
✓✓✓✓
Memory (database for up to 50,000 objects)
✓✓✓✓
Automatic test sequences function
✓✓✓✓
RS 232 port for RFID/barcode reader
✓✓✓✓
USB port for data transmission
✓✓✓✓
PC database and report generating software ETC
✓✓✓✓
Measuring category: CAT III 600V / CAT IV 300 V
✓✓✓✓
DAkkS calibration certificate
✓✓✓✓