Gossen MetraWatt PROFITEST MBASE MTECH, Руководство по эксплуатации, Страница: 4 / 64

4 GMC-I Messtechnik GmbH
Table of Contents Page Page
1 Scope of Delivery .............................................................. 4
2 Application ........................................................................ 5
2.1 Using Cable Sets and Test Probes ................................................5
2.2 Overview of Features Included with
Different PROFI
TEST M
ASTER
Variants .........................................5
3 Safety Features and Precautions ...................................... 6
4 Initial Start-Up ................................................................... 6
4.1 Preparation for use .......................................................................6
4.2 Installing or Replacing Rechargeable Batteries ............................6
4.3 Switching the Instrument On and Off ...........................................6
4.4 Battery Test ..................................................................................6
4.5 Charging the Batteries in the Tester .............................................6
4.6 Device Settings .............................................................................7
5 General Instructions ........................................................ 10
5.1 Connecting the Instrument .........................................................10
5.2 Automatic Settings, Monitoring and Shut-Off .............................10
5.3 Measurement Value Display and Memory ..................................10
5.4 Testing Earthing Contact Sockets for Correct Connection ..........10
5.5 Help Function ..............................................................................11
5.6 Setting Parameters or Limit Values using RCD Measurement as an
Example ......................................................................................11
5.7
New!
Freely Adjustable Parameters or Limit Values ....................12
5.8
New!
Two-Pole Measurement with Rapid or
Semiautomatic Polarity Reversal ................................................12
6 Measuring Alternating Voltage and Frequency ............... 13
6.1 Single Phase Measurement ........................................................13
6.1.1 Voltage between L and N (U
L-N
), L and PE (U
L-PE
), as well as N and PE
(U
N-PE
) for country-specific plug insert, e.g. SCHUKO ......................13
6.1.2 Voltage between L – PE, N – PE and L – L
for connection of 2-pole adapter ....................................................13
6.2 3-Phase Measurement (Line-to-Line Voltage) and Phase Sequence ..... 14
7 Testing RCDs .........................................................................14
7.1 Measuring Contact Voltage (with reference to nominal residual
current) with
1
/
3
Nominal Residual Current and Tripping Test with
Nominal Residual Current ...........................................................15
7.2 Special Testing for Systems and RCCBs ..........................................17
7.2.1 Testing Systems and RCCBs with Rising Residual Current
(alternating current) for RCDs type A, AC and B ...............................17
7.2.2 Testing Systems and RCCBs with Rising Residual Current
(direct current) for RCDs type B ......................................................17
7.2.3 Testing RCCBS with 5

I

N .......................................................................... 18
7.2.4 Testing RCCBs which are Suited for Pulsating DC Residual Current ..18
7.3 Testing for Special RCDs ............................................................19
7.3.1 Systems with Type RCD-S Selective RCDs ......................................19
7.3.2 PRCDs with Non-Linear Type PRCD-K Elements ..............................19
7.3.3 SRCDs, PRCD-S (SCHUKOMAT, SIDOS or comparable) ....................20
7.3.4 Type G or R RCCBs .......................................................................21
7.4 Testing Residual Current Circuit Breakers in TN-S Systems ......22
7.5 Testing Residual Current Circuit Breakers (RCDs) in IT
Systems with High Wiring Capacitance (e.g. in Norway) ............22
8 Testing of Breaking Requirements Overcurrent Protective
Devices, Measurement of Loop Impedance and Determina-
tion of Short-Circuit Current (functions Z
L-PE
and I
K
) ...... 23
8.1 Measurements with Suppression of RCD Tripping .....................24
8.1.1 Measurement with Positive Half-Waves (only PROFI TEST M
TECH
) ............ 24
8.2 Evaluation of Measured Values ..................................................25
9 Measuring Line Impedance (Z
L-N
function) ..................... 25
10 Earthing Resistance Measurement (function R
E
) ............ 27
10.1 Measuring with Probe ................................................................28
10.2 Measuring Without Probe ...........................................................29
10.3 Measuring Earth Electrode Potential (function U
E
) .....................30
10.4 Selective Earth Resistance Measurement with Accessory Current
Clamp Sensor .............................................................................31
11 Measuring the Impedance of Insulating Floors and Walls
(standing surface insulation
impedance Z
ST
) ............................................................... 33
12 Measuring Insulation Resistance ......................................... 34
12.1 General .......................................................................................34
12.2 Special Case: Earth Leakage Resistance (R
EINS
) ........................36
13 Testing Meter Start-Up with Earthing Contact Adapter ..............37
14 Measuring Low-Value Resistance of up to 100 Ohm
(protective conductors and protective equipotential bonding
conductors) ..................................................................... 38
15 Measurement with Accessory Sensors ........................... 40
15.1 Measuring Current with a Current Sensor Clamp .......................40
16 Database ......................................................................... 41
16.1 Creating Distributor Structures, General ....................................41
16.2 Transferring Distributor Structures ............................................41
16.3 Creating a Distributor Structure in the Test Instrument .............41
16.3.1 Structure Creation (Example for Electrical Circuit) ............................42
16.3.2 Searching for Structural Elements ..................................................43
16.4 Data Storage and Reporting .......................................................44
16.4.1 Using Barcode and RFID Readers ...................................................45
17 Operating and Display Elements ..................................... 46
18 Characteristic Values ...................................................... 48
18.1 LED Indications, Mains Connections and Potential Differences .51
19 Maintenance ................................................................... 56
19.1 Firmware Revision and Calibration Information .........................56
19.2 Rechargeable Battery Operation and Charging ..........................56
19.2.1 Charging Procedure with the Z502P Charger (accessory) ................56
19.3 Fuses ..........................................................................................56
19.4 Housing ......................................................................................56
20 Appendix ......................................................................... 57
20.1 Tables for the determination of maximum or minimum display values
under consideration of maximum instrument operating uncertainty: ...57
20.2 Testing Electrical Machinery per DIN EN 60204 – Applications,
Limit Values ................................................................................59
20.3 Periodic Testing per BGV A3
– Limit Values for Electrical Systems and Equipment ................60
20.4 List of Abbreviations and their Meanings ...................................61
20.5 Index ...........................................................................................62
20.6 Bibliography ...............................................................................63
20.6.1 Internet Addresses for Additional Information .................................63
21 Repair and Replacement Parts Service
Calibration Center and Rental
Instrument Service .......................................................... 64
22 Recalibration ................................................................... 64
23 Product Support .............................................................. 64
1 Scope of Delivery
1 test instrument
1 earthing contact plug insert (country-specific)
1 2-pole measuring adapter and 1 cable for expansion into a
3-pole adapter (PRO-A3-II)
2 alligator clips
1 shoulder strap
1 Set of rechargeable batteries (Z502C)
1 Battery charger (Z502P)
1 condensed operating instructions
1 CD ROM with operating instructions
1
DKD calibration certificate
1 USB interface cable