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 3
13.3 Settings for Calculating Short-Circuit Current
– Parameter I
SC
.................................................56
14 Measuring Supply Impedance (Z
L-N
Function)...................57
15 Earthing Resistance Measurement (Function R
E
)..............59
15.1 Earthing Resistance Measurement –
Mains Powered..................................................60
15.2 Earthing Resistance Measurement – Battery Pow-
ered, “Battery Mode” (PROFITEST MPRO & PROF-
ITEST MXTRA only)............................................60
15.3
Earthing Resistance, Mains Powered – 2-Pole Mea-
surement with 2-Pole Adapter or Country-Specific
Plug (Schuko) without Probe
................................61
15.4 Earthing Resistance Measurement. Mains
Powered – 3-Pole Measurement: 2-Pole Adapter
with Probe .........................................................62
15.5 Earthing Resistance Measurement, Mains
Powered – Measuring Earth Electrode Potential
(U
E
Function) .....................................................63
15.6 Earthing Resistance Measurement, Mains Powered
– Selective Earthing Resistance Measurement
with Current Clamp Sensor as Accessory ..........64
15.7 Earthing Resistance Measurement, Battery
Powered, “Battery Mode” – 3-Pole (PROFITEST
MPRO & PROFITEST MXTRA only) ....................66
15.8
Earthing Resistance Measurement, Battery
Powered, “Battery Mode” – 4-Pole (
PROFITEST
MPRO
&
PROFITEST MXTRA
only) ..................... 67
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)...................................69
15.10Earthing Resistance Measurement, Battery Pow-
ered, “Battery Mode” – Ground Loop Measurement
(with current clamp sensor and transformer, and
pro-re measuring adapter as accessory) (PROFIT-
EST MPRO & PROFITEST MXTRA only).............70
15.11Earthing Resistance Measurement, Battery
Powered, “Battery Mode” – Measurement of Soil
Resistivity
E
(PROFITEST MPRO & PROFITEST
MXTRAonly) .......................................................71
16
Measurement of Insulation Resistance...................................73
16.1 General..............................................................73
16.2 Special Case: Earth Leakage Resistance (R
EISO
)75
17
Measuring Low-Value Resistance of up to 200
(Protective
Conductor and Equipotential Bonding Conductor) ..................77
17.1 Measurement with Constant Test Current ..........78
17.2 Protective Conductor Resistance Measurement
with Ramp Sequence – Measurement at PRCDs
with Current-Monitored Protective Conductor using
the PROFITEST PRCD Test Adapter as an
Accessory ( PROFITEST MXTRAonly).................79
18 Measurement with Accessory Sensors..............................80
18.1 Current Measurement with Current Clamp
Sensor...............................................................80
19 Special Functions – EXTRA Switch Position ......................81
19.1 Voltage Drop Measurement (at Z
LN) –
U Function .......................................................82
19.2 Measuring the Impedance of Insulating Floors
and Walls (standing surface insulation impedance) –
Z
ST
Function ......................................................83
19.3 Testing Meter Startup with Earthing Contact Plug
– kWh Function .................................................84
19.4 Leakage Current Measurement with PRO-AB
Leakage Current Adapter as Accessory –
I
L
Function (PROFITEST MXTRA only) ................85
19.5
Testing Insulation Monitoring Devices – IMD Function
(PROFITEST MXTRA only)..................................86
19.6 Residual Voltage Test – U
res
Function
(PROFITEST MXTRA only)..................................88
19.7
Intelligent Ramp – ta+ID
Function
(
PROFITEST MXTRA
only).................................... 89
19.8 Testing Residual Current Monitors
– RCM Function ( PROFITEST MXTRA only).......90
19.9 Checking the Operating Statuses of Electric
Vehicles at Charging Stations per IEC 61851
((PROFITEST MTECH+ & PROFITEST MXTRA) ..91
19.10PRCD – Test Sequences for Documenting Fault
Simulations at PRCDs with the PROFITEST PRCD
Adapter (PROFITEST MXTRA only).....................92
19.10.1Fault Simulation ...........................................92
20 Test Sequences (Automatic Test Sequences)
– AUTO Function ................................................................95
20.1 General (test sequence layouts)..........................95
20.2 Creation of Test Sequences with ETC................95
20.3 Using Test Sequences .......................................96
21 Maintenance ......................................................................97
21.1 Test Instrument Firmware/Software....................97
21.1.1 Rechargeable Battery Care ..........................97
21.2 Fuse Replacement .............................................97
21.3 Housing .............................................................97
21.4 Calibration..........................................................97
22 Contact, Support and Service ............................................98
23 CE Declaration ...................................................................98
24 Disposal and Environmental Protection .............................99
25 Appendix ..........................................................................100
25.1 Tables for Determining Maximum and Minimum
Display Values in Consideration of the
Instrument’s Maximum Measuring and Intrinsic
Uncertainties....................................................100
25.2 At which values should/must an RCD actually be
tripped? Requirements for Residual Current
Devices (RCD)..................................................102
25.3 Testing Electrical Machines per DIN EN 60204 –
Applications, Limit Values.................................103
25.4 Periodic Testing per DGUV V 3 (previously BGV A3)
– Limit Values for Electrical Systems and Operating
Equipment .......................................................103
25.5 Bibliography.....................................................104
25.6 Internet Addresses for Additional Information ..104