Manual
Table Of Contents
- 1 Safety Instructions
- 2 Applications
- 3 Documentation
- 4 Getting Started
- 5 The Instrument
- 6 Operating and Display Elements
- 7 Operation
- 8 Instrument Settings
- 9 Database
- 10 General Information on Measurements
- 10.1 Using Cable Sets and Test Probes
- 10.2 Test Plug – Changing Inserts
- 10.3 Connecting the Instrument
- 10.4 Automatic Settings, Monitoring and Shutdown
- 10.5 Measured Value Display and Memory
- 10.6 Help Function
- 10.7 Setting Parameters or Limit Values using RCD Measurement as an Example
- 10.8 Freely Selectable Parameter Settings or Limit Values
- 10.9 2-Pole Measurement with Rapid or Semiautomatic Polarity Reversal
- 11 Measuring Voltage and Frequency
- 12 Testing RCDs
- 12.1 Measuring Touch Voltage (with reference to nominal residual current) with ⅓ Nominal Residual Current and Tripping Test with Nominal Residual Current
- 12.2 Special Tests for Systems and RCDs
- 12.2.1 Testing Systems and RCCBs with Rising Residual Current (AC) for Type AC, A/F, B/B+ and EV/MI RCDs (PROFITEST MTECH+, PROFITEST MXTRA only)
- 12.2.2 Testing Systems and RCCBs with Rising Residual Current (AC) for Type B/B+ and EV/MI RCDs (PROFITEST MTECH+PROFITEST MXTRA)
- 12.2.3 Testing RCCBS with 5 × IDN
- 12.2.4 Testing of RCCBs which are Suitable for Pulsating DC Residual Current
- 12.3 Testing of Special RCDs
- 12.4 Testing Residual Current Circuit Breakers in TN-S Systems
- 12.5 Testing of RCD Protection in IT Systems with High Cable Capacitance (e.g. In Norway)
- 12.6 Testing of 6 mA Residual Current Devices RDC-DD/RCMB (RDC-DD: PROFITEST MXTRA and PROFITEST MTECH+ only)
- 13 Testing of Breaking Requirements for Overcurrent Protective Devices, Measurement of Loop Impedance and Determination of Short-Circuit Current (ZL-PE and ISC Functions)
- 14 Measuring Supply Impedance (ZL-N Function)
- 15 Earthing Resistance Measurement (Function RE)
- 15.1 Earthing Resistance Measurement – Mains Powered
- 15.2 Earthing Resistance Measurement – Battery Powered, “Battery Mode” (PROFITEST MPRO & PROFITEST MXTRA only)
- 15.3 Earthing Resistance, Mains Powered – 2-Pole Measurement with 2-Pole Adapter or Country-Specific Plug (Schuko) without Probe
- 15.4 Earthing Resistance Measurement. Mains Powered – 3-Pole Measurement: 2-Pole Adapter with Probe
- 15.5 Earthing Resistance Measurement, Mains Powered – Measuring Earth Electrode Potential (UE Function)
- 15.6 Earthing Resistance Measurement, Mains Powered – Selective Earthing Resistance Measurement with Current Clamp Sensor as Accessory
- 15.7 Earthing Resistance Measurement, Battery Powered, “Battery Mode” – 3-Pole (PROFITEST MPRO & PROFITEST MXTRA only)
- 15.8 Earthing Resistance Measurement, Battery Powered, “Battery Mode” – 4-Pole (PROFITEST MPRO & PROFITEST MXTRA only)
- 15.9 Earthing Resistance Measurement, Battery Powered, “Battery Mode” – Selective (4-pole) with Current Clamp Sensor and PRO-RE Measuring Adapter as Accessory (PROFITEST MPRO & PROFITEST MXTRA only)
- 15.10 Earthing Resistance Measurement, Battery Powered, “Battery Mode” – Ground Loop Measurement (with current clamp sensor and transformer, and pro-re measuring adapter as accessory) (PROFITEST MPRO & PROFITEST MXTRA only)
- 15.11 Earthing Resistance Measurement, Battery Powered, “Battery Mode” – Measurement of Soil Resistivity rE (PROFITEST MPRO & PROFITEST MXTRA only)
- 16 Measurement of Insulation Resistance
- 17 Measuring Low-Value Resistance of up to 200 W (Protective Conductor and Equipotential Bonding Conductor)
- 18 Measurement with Accessory Sensors
- 19 Special Functions – EXTRA Switch Position
- 19.1 Voltage Drop Measurement (at ZLN) – DU Function
- 19.2 Measuring the Impedance of Insulating Floors and Walls (standing surface insulation impedance) – ZST Function
- 19.3 Testing Meter Startup with Earthing Contact Plug – kWh Function
- 19.4 Leakage Current Measurement with PRO-AB Leakage Current Adapter as Accessory – IL Function (PROFITEST MXTRA only)
- 19.5 Testing Insulation Monitoring Devices – IMD Function (PROFITEST MXTRA only)
- 19.6 Residual Voltage Test – Ures Function (PROFITEST MXTRA only)
- 19.7 Intelligent Ramp – ta+ID Function (PROFITEST MXTRA only)
- 19.8 Testing Residual Current Monitors – RCM Function ( PROFITEST MXTRA only)
- 19.9 Checking the Operating Statuses of Electric Vehicles at Charging Stations per IEC 61851 ((PROFITEST MTECH+ & PROFITEST MXTRA)
- 19.10 PRCD – Test Sequences for Documenting Fault Simulations at PRCDs with the PROFITEST PRCD Adapter (PROFITEST MXTRA only)
- 20 Test Sequences (Automatic Test Sequences) – AUTO Function
- 21 Maintenance
- 22 Contact, Support and Service
- 23 CE Declaration
- 24 Disposal and Environmental Protection
- 25 Appendix
- 25.1 Tables for Determining Maximum and Minimum Display Values in Consideration of the Instrument’s Maximum Measuring and Intrinsic Uncertainties
- 25.2 At which values should/must an RCD actually be tripped? Requirements for Residual Current Devices (RCD)
- 25.3 Testing Electrical Machines per DIN EN 60 204 – Applications, Limit Values
- 25.4 Periodic Testing per DGUV V 3 (previously BGV A3) – Limit Values for Electrical Systems and Operating Equipment
- 25.5 Bibliography
- 25.6 Internet Addresses for Additional Information
Gossen Metrawatt GmbH 17
6.4 LED Indications, Mains Connections and Potential Differences
LED Signals
Mains Connection Test — Single-Phase System — LCD Connection Pictographs
Attention!
!
The mains connection test may not be used to test systems or system components for the absence of voltage!
Status
Test
Plug
Mea-
suring
Adapter
Function Switch Position Function/Meaning
NETZ/
MAINS
Lights up
green
X
I
N
/ I
F
, Z
L-N
/ Z
L-PE
/ R
E
,
U, Z
ST
, kWh, IMD, int. ramp, RCM
Correct connection, measurement enabled
NETZ/
MAINS
Blinks
green
X
I
N
/ I
F
, Z
L-N
/ Z
L-PE
/ R
E
,
U, Z
ST
, kWh, IMD, int. ramp, RCM
N conductor not connected,
measurement enabled
NETZ/
MAINS
Blinks red
XX
I
N
/ I
F
, Z
L-N
/ Z
L-PE
/ R
E
,
U, Z
ST
, kWh, IMD, int. ramp, RCM
1) No line voltage or
2) PE interrupted
NETZ/
MAINS
Lights up
red
X
R
LO
,
R
ISO
, R
E
, I
L
, sensor
Interference voltage is present at the test probes.
Measurement is disabled.
NETZ/
MAINS
Blinks yel-
low
X
I
N
/ I
F
, Z
L-N
/ Z
L-PE
/ R
E
L and N are connected to the phase conductors.
U
L
/R
L
Lights up
red
XX
R
INS
, R
LO
, R
E
,
Z
L-N
, Z
L-PE
, U, I
L
, U
res
, sensor
The selected limit value has been violated.
R
E
, Z
L-PE
, I
F
, I
N
,
t
a
+I, RCM
Interference voltage limit value U
L
has been exceeded.
Safety shutdown has occurred.
Z
L-N
, Z
L-PE
,
Z
ST
, IMD, kWh, RCM, PRCD,
e-mobility
The test has been manually assessed as “NOT OK”.
FI/RCD
Lights up
red
XX
I
N
/ I
F
,
int. ramp
The RCCB was not tripped, or was tripped too late
during the tripping test.
Status
Test
Plug
Mea-
suring
Adapter
Function Switch
Position
Function/Meaning
Is dis-
played
All except for U
No connection detected
Is dis-
played
All except for U
Connection OK
Is dis-
played
All except for U
L and N reversed, neutral conductor charged with phase voltage
Is dis-
played
All except U and RE
No mains connection
RE
Standard display without connection messages
Is dis-
played
All except for U
Neutral conductor interrupted
Is dis-
played
All except for U
Protective conductor PE interrupted,
neutral conductor N and/or phase conductor L charged with phase volt-
age
Is dis-
played
All except for U
Phase conductor L interrupted,
neutral conductor N charged with phase voltage
Is dis-
played
All except for U
Phase conductor L and protective conductor PE reversed
Is dis-
played
All except for U
Phase conductor L and protective conductor PE reversed
Neutral conductor interrupted (with probe only)
Is dis-
played
All except for U
L and N are connected to the phase conductors.
?
?
?
N
PE
L
N
PE
L
N
PE
L
N
PE
L
x
N
PE
L
x
N
PE
L
x
N
PE
L
N
PE
L
x
N
PE
L