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MPI-540

Catalog index: WMGBMPI540

Multi-Function Meter Of Electrical System Parameters

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The MPI-540 multifunctional meter is intended for testing home and industrial electrical installations. The instrument can be used to carry out measurements, the results of which determine the safety status of the installation. In addition, the user is able to record the parameters of the electrical networks located at these sites. This makes it possible to control the quality of electricity, and to measure electric shock protection parameters, using a single universal device.

Significant automation of measurements is made possible by the function of testing residual current circuit breakers in Auto mode, as well as measurement sequences pre-programmed by the manufacturer (so-called self-tests), which can also be extended with own sequences. Automatic measurement of insulation resistance of 3-, 4- and 5-core cables will be carried out with the AUTO ISO-1000C adapter.

Much more than a multifunctional meter

  • The largest touch screen on the market (7”) – remarkable ergonomics and ease of use
  • Removable microSD memory card – easy increase of memory capacity
  • Li-Ion battery – longer operation of the meter
  • Three-phase power recorder – advanced power quality diagnostics
  • Real time display of network parameters – immediate evaluation of the test site conditions
  • Parameters measured in accordance to class S of EN 61000-4-30 standard – high accuracy of measurements
  • Energy cost calculator – quick evaluation of potential savings
  • Measurement of all parameters related to earthing and protection against electric shock – one device instead of several
  • Quick measurement of the fault loop impedance in networks secured with RCD without triggering (up to several seconds) – time saver
  • Auto measurements – the ability to perform automatic measurements in sequence – simplified measurements • Fast path from measurements to report – time saver

Features

The meter has above-average functionality. It combines the measuring capabilities of several devices, while ensuring equally good accuracy.

  • MPI-540 can record 50/60 Hz power quality parameters in accordance to S class of EN 61000-4-30:
    • voltage L1, L2, L3, – average values in the range up to 500 V, » L1, L2, L3 currents, – average values, current measurement in the range up to 3 kA (depending on the current probes used),
    • frequency in the range of 40 Hz – 70 Hz,
    • active (P), reactive (Q) and apparent (S) power,
    • power factor (PF), cosφ, tanφ,
    • harmonics (up to 40th for voltage and current),
    • total harmonic distortion (THD) for current and voltage,
    • recording of events for current and voltage,
    • energy flow – 4 quadrants.
  • MPI-540 can be used for all measurements for commissioning of electrical installations in accordance with applicable regulations:
    • short circuit loop impedance (also in circuits secured with RCDs),
    • RCD parameters,
    • insulation resistance,
    • earth resistance (4 measurement methods + soil resistivity measurement),
    • continuity of protective and equipotential bondings,
    • light intensity measurement,
    • phase sequence test,
    • motor rotation direction test.

Automatic installation safety test

MPI-540 allow safety control of residential, commercial and industrial electrical installations. Measurements can be easily automated with:

  • auto mode of residual current devices (RCD) tests,
  • auto measurements – freely configurable measuring sequences,
  • AutoISO-1000C adapter for automatic insulation resistance test of 3-, 4- and 5-conductor cables, without switching.

Three-phase power quality recorder

The device has a three-phase power quality recorder with the LIVE mode view and the possibility to register electrical network parameters such as voltage, current, power, harmonics and THD. The meter enables reading of selected parameters and their graphic presentation on the screen in real time. These parameters are measured and displayed concurrently with the recording on the memory card. In the LIVE mode, the user can see:

  • voltage and current waveforms (oscilloscope),
  • voltage and current timeplots,
  • a phasor graph,
  • display of multiple parameters in tabular form,
  • spectrum graph of current and voltage harmonics.

Ease of reading

The device is equipped with a color TFT LCD touch screen with a resolution of 800x480 pixels and a diagonal of 7”, which allows for convenient operation and easy reading of parameters and plotted waveforms. This screen size enables displaying more information, available at any time of use. The interface is visible in all conditions – also thanks to the appropriate size of displayed symbols. Included stylus allows to work also with dielectric gloves.

Built-in help system

The device has built-in help screens with measurement diagrams. Thanks to this you can easily and quickly check and make sure how to connect to a given system depending on the type of performed measurement.

Increased resistance to environmental conditions

The MPI-540 meter will cope well in difficult environmental conditions. Protection against penetration of dust and water is ensured by a unique housing with a level of protection IP51. It is resistant to mechanical damage, and a special design allows you to easily protect the touch screen by shielding using the cover of the meter. In addition to the fact that it protects against damage, it also allows you to conveniently carry and use the device in different positions.

Communication and software

A very strong feature of the device is the multitude of communication interfaces and cooperation with external software. You can easily transfer measurement data to your computer via USB port, removable SD memory card, or wireless communication (Bluetooth, Wi-Fi ). In order to generate a report on measurements for electric shock protection, use Sonel Reports PLUS software. Saving the downloaded data to the simplest formats and printing is provided by free Sonel Reader software. The specialized, free Sonel Analysis software is used to read and analyze data from the power quality recorder.

Specification

Measurement of short circuit loop impedance ZL-PE, ZL-N, ZL-L
Test current: 23/40 A; measuring range acc. to IEC 61557: 0,13…1999,9 Ω (for 1.2 m test lead):
Display range Resolution Accuracy
0,000…19,999 Ω 0,001 Ω ±(5% m.v. + 30 digits)
20,00…199,99 Ω 0,01 Ω ±(5% m.v. + 30 digits)
200,0…1999,9 Ω 0,1 Ω ±(5% m.v. + 30 digits)
  • rated voltage: 95…270 V (for ZL-PE and ZL-N) and 95…440 V (for ZL-L)
  • frequency: 45…65 Hz

 

Measurement of short circuit loop impedance ZL-PE in RCD mode
Test current: 15 mA, measuring range acc. to IEC 61557: 0,50…1999 Ω
Display range Resolution Accuracy
0,00…19,99 Ω 0,01 Ω ±(6% m.v. + 10 digits)
20,0…199,9 Ω 0,1 Ω ±(6% m.v. + 5 digits)
200…1999 Ω 1 Ω ±(6% m.v. + 5 digits)
  • rated voltage: 95…270 V
  • frequency: 45…65 Hz

 

Measurement of earth resistance RE with the 3p and 4p method
Measuring range acc. to IEC 61557-5: 0,50 Ω…1,99 k Ω for test voltage 50 V 0,56 Ω …1,99 k Ω for test voltage 25 V
Display range Resolution Accuracy
0,00…9,99 Ω 0,01 Ω ±(2% m.v. + 4 digits)
10,0…99,9 Ω 0,1 Ω ±(2% m.v. + 3 digits)
100…999 Ω 1 Ω ±(2% m.v. + 3 digits)
1,00…1,99 kΩ 0,01 kΩ ±(2% m.v. + 3 digits)
  • test voltage: 25 V or 50 V rms
  • test current: 20 mA, sinusoidal rms 125 Hz (for fn = 50 Hz) and 150 Hz (for fn = 60 Hz)
  • measurement blocked at interference voltage UN > 24 V
  • maximum measured interference voltage Unmax = 100 V
  • maximum resistance of auxiliary earth electrodes 50 kΩ

 

Selective earth resistance measurement with clamp (3p + clamp)
Measuring range acc. to IEC 61557-5: 1 Ω…1,99 kΩ
Display range Resolution Accuracy
0,00…9,99 Ω 0,01 Ω ±(2% m.v. + 4 digits)
10,0…99,9 Ω 0,1 Ω ±(2% m.v. + 4 digits)
100…999 Ω 1 Ω ±(2% m.v. + 4 digits)
1,00…1,99 kΩ 0,01 kΩ ±(2% m.v. + 4 digits)
  • measurement with additional current clamp
  • interference current measuring range: up to 9,99 A

 

Selective earth measurement with two Pole
Display range Resolution Accuracy
0,00…9,99 Ω 0,01 Ω ±(10% m.v. + 4 digits)
10,0…19,9 Ω 0,1 Ω ±(10% m.v. + 4 digits)
20,0…99,9 Ω 0,1 Ω ±(20% m.v. + 4 digits)
  • measurement with transmitting and receiving clamps
  • interference current measuring range: up to 9,99 A

 

Soil resistivity mesurement (ρ)
Display range Resolution Accuracy
0,00…9,99 Ω 0,01 Ω ±(2% m.v. + 4 digits)
10,0…99,9 Ω 0,1 Ω ±(2% m.v. + 4 digits)
100…999 Ω 1 Ω ±(2% m.v. + 4 digits)
1,00…1,99 kΩ 0,01 kΩ ±(2% m.v. + 4 digits)
  • measurement with Wenner’s method
  • distance settable in metres or feet
  • distance range: 1…30 m (1…90 feet)

 

Phase sequence indication

 

  • phase sequence indication: conforming, non-conforming
  • mains voltage range U : 100…440 V (45…65 Hz) L-L
  • display of phase-to-phase voltage values

 

Measurements of RCD parameters (voltage range 95…270 V):
RCD tripping test and measurement of tripping time tA (for tA measurement function)
RCD type Current Range Resolution Accuracy
General and short-time delay 0,5*IΔn 0…300 ms 1 ms ±(2% m.v. + 2 digits)(for RCD with IΔn = 10 mA and 0,5xIΔn uncertainty: ±(2% m.v. +3 digits)
General and short-time delay 1*IΔn 0…300 ms 1 ms ±(2% m.v. + 2 digits)(for RCD with IΔn = 10 mA and 0,5xIΔn uncertainty: ±(2% m.v. +3 digits)
General and short-time delay 2*IΔn 0…150 ms 1 ms ±(2% m.v. + 2 digits)(for RCD with IΔn = 10 mA and 0,5xIΔn uncertainty: ±(2% m.v. +3 digits)
General and short-time delay 5*IΔn 0…40 ms 1 ms ±(2% m.v. + 2 digits)(for RCD with IΔn = 10 mA and 0,5xIΔn uncertainty: ±(2% m.v. +3 digits)
Selective 0,5*IΔn 0…500 ms 1 ms ±(2% m.v. + 2 digits)(for RCD with IΔn = 10 mA and 0,5xIΔn uncertainty: ±(2% m.v. +3 digits)
Selective 1*IΔn 0…200 ms 1 ms ±(2% m.v. + 2 digits)(for RCD with IΔn = 10 mA and 0,5xIΔn uncertainty: ±(2% m.v. +3 digits)
Selective 2*IΔn 0…200 ms 1 ms ±(2% m.v. + 2 digits)(for RCD with IΔn = 10 mA and 0,5xIΔn uncertainty: ±(2% m.v. +3 digits)
Selective 5*IΔn 0…150 ms 1 ms ±(2% m.v. + 2 digits)(for RCD with IΔn = 10 mA and 0,5xIΔn uncertainty: ±(2% m.v. +3 digits)
  • accuracy of residual current application: for 0,5*IΔn:-8…0% for 1*IΔn, 2*IΔn, 5*IΔn: 0…8%
  • measurement of RCD tripping current IΔn for sinusoidal residual current (AC type)

 

Rated current Meas. range Resolution Test current Accuracy
10 mA 3,3…10,0 mA 0,1 mA 0,3 x IΔn…1,0 x IΔn ± 5% IΔn
30 mA 9,0…30,0 mA 0,1 mA 0,3 x IΔn…1,0 x IΔn ± 5% IΔn
100 mA 33…100 mA 1 mA 0,3 x IΔn…1,0 x IΔn ± 5% IΔn
300 mA 90…300 mA 1 mA 0,3 x IΔn…1,0 x IΔn ± 5% IΔn
500 mA 150…500 mA 1 mA 0,3 x IΔn…1,0 x IΔn ± 5% IΔn
1000 mA 330…1000 mA 1 mA 0,3 x IΔn…1,0 x IΔn ± 5% IΔn
  • the measurement can be started from positive or negative half-period of forced leakage current (AC)

 

Measurement of RCD tripping current IA for unidirectional residual current and unidirectional with the 6 mA DC bias (type A)
Rated current Meas. range Resolution Test current Accuracy
10 mA 3,5…20,0 mA 0,1 mA 0,35 x IΔn…2,0 x IΔn ± 10% IΔn
30 mA 10,5…42,0 mA 0,1 mA 0,35 x IΔn…1,4 x IΔn ± 10% IΔn
100 mA 35…140 mA 1 mA 0,35 x IΔn…1,4 x IΔn ± 10% IΔn
300 mA 105…420 mA 1 mA 0,35 x IΔn…1,4 x IΔn ± 10% IΔn
500 mA 175…700 mA 1 mA 0,35 x IΔn…1,4 x IΔn ± 10% IΔn
  • measurement for positive or negative half-periods of forced leakage current

 

Measurement of RCD tripping current I for direct residual current (type B)
Rated current Meas. range Resolution Test current Accuracy
10 mA 2,0…20,0 mA 0,1 mA 0,2 x IΔn…2,0 x IΔn ± 10% IΔn
30 mA 6…60 mA 1 mA 0,2 x IΔn…2,0 x IΔn ± 10% IΔn
100 mA 20…200 mA 1 mA 0,2 x IΔn…2,0 x IΔn ± 10% IΔn
300 mA 60…600 mA 1 mA 0,2 x IΔn…2,0 x IΔn ± 10% IΔn
500 mA 100…1000 mA 1 mA 0,2 x IΔn…2,0 x IΔn ± 10% IΔn
  • measurement for positive or negative half-periods of forced leakage current
  • IΔn – rated residual current

 

Insulation resistance measurements

Measuring range acc. to IEC 61557-2:

  • for Un = 50 V: 50 kΩ…250 MΩ
  • for Un = 100 V: 100 kΩ…500 MΩ
  • for Un = 250 V: 250 kΩ…999 MΩ
  • for Un = 500 V: 500 kΩ…2 GΩ
  • for Un = 1000 V: 1 MΩ…9,99 GΩ
Display range *) Resolution Accuracy
0,00…9,99 Ω 0,01 Ω ±(3% m.v. + 8 digits)
10,0…19,9 Ω 0,1 Ω ±(3% m.v. + 8 digits)
20,0…99,9 Ω 0,1 Ω ±(3% m.v. + 8 digits)
20,0…99,9 Ω 0,1 Ω ±(3% m.v. + 8 digits)
20,0…99,9 Ω 0,1 Ω ±(4% m.v. + 6 digits)

*) not greater than measuring range for given voltage

 

Low-voltage measurement of resistance and circuit continuity Measurement of protective conductor continuity with the ±200 mA current, IEC 61557-4: 0,12…400 Ω
Display range Resolution Accuracy
0,00…19,99 Ω 0,01 Ω ±(2% m.v. + 3 digits)
20,0…199,9 Ω 0,1 Ω ±(2% m.v. + 3 digits)
200…400 Ω 1 Ω ±(2% m.v. + 3 digits)
  • voltage on open terminals: 4…9 V
  • output current at R < 2 Ω: min. 200 mA
  • autocalibration of test leads
  • measurements for both current polarities

 

Illuminance measurement
Display range Resolution Accuracy
0,1…99,9 lx 0,1 lx ±(5% m.v. + 2 digits)
100…999 lx 1 lx ±(5% m.v. + 2 digits)
1,00…9,99 klx 0,01 klx ±(5% m.v. + 2 digits)
10,0…19,9 klx 0,1 klx ±(5% m.v. + 2 digits)
  • measurement in luxes (lx) or feet-candles (fc)

 

THREE-PHASE RECORDER OF ELECTRICAL NETWORK PARAMETERS

The device is designed to work with networks:

  • with nominal frequency 50/60 Hz
  • with nominal voltage:
    • 64/110 V
    • 110/190 V
    • 115/200 V
    • 127/220 V
    • 220/380 V
    • 230/400 V
    • 240/415 V
    • 254/440 V
    • 290/500 V
  • DC network

Supported networks:

  • single-phase
  • two-phase with common N conductor,
  • three-phase star connection N with and without conductor
  • three-phase delta

Parameters of analyzer:

Parameter Measurement range Max. resolution Accuracy
Alternating voltage (TRMS) – 0,0…500 V 0,01 % Unom ±0,5% Unom
Alternating current TRMS – depending on clamp* 0,01% Inom ±2% m.v. for m.v. ≥ 10% Inom ±2% Inom for m.v. < 10% Inom (error does not account for clamps error)
Frequency – 40,00…70,00 Hz 0,01 Hz ±0,05 Hz
Active, reactive, apparent and distortion power – depending of configuration (trasformers, clamp) up to for decimal places depending of configuration (trasformers, clamp)
Active, reactive apparent energy – depending of configuration (trasformers, clamp) up to for decimal places as power error
cosφ and power factor (PF – 0,00…1,00 0,01 ±0,03
Harmonics Voltage as for alternating voltage as for alternating voltage ±5% m.v. for m.v. ≥ 3% Unom ±0,15% Unom for m.v. < 3% Unom
Harmonics Current as for alternating voltage as for alternating voltage ±5% m.v. for m.v. ≥ 10% Inom ±0,5% Inom for m.v. < 10% Inom
THD Voltage 0.0…100.0% (in regards to the rms value) 0,1% ±5%
THD Current 0.0…100.0% (in regards to the rms value) 0,1% ±5%
Voltage asymmetry Voltage and current 0,0…10,0% 0,1% ±0,15% (absolute error)

* Clamp F-1A, F-2A, F-3A: 0..3000 A (10000 Ap-p )
* Clamp C-4A: 0..1000 A (3600 Ap-p )
* Clamp C-5A: 0..1000 A (3600 Ap-p )
* Clamp C-6A: 0..10 A (36 Ap-p )
* Clamp C-7A: 0…100 A (360 Ap-p )

 

Clamps C-4A WACEGC4AOKR C-5A WACEGC5AOKR C-6A WACEGC6AOKR C-7A WACEGC7AOKR F-1A WACEGF1AOKR F-2A WACEGF2AOKR F-3A WACEGF3AOKR
Rated current 1000 A AC 1000 A AC 1400 A DC 0 A AC 100 A AC 3000 A AC 3000 A AC 3000 A AC
Max. overload current 1200 A AC 1000 A AC 3000 A DC 20 A AC 100 A AC 10 kA AC 10 kA AC 10 kA AC
Minimal measurable current 100 mA 500 mA 10 mA 20 mA 1 A 1 A 1 A
Frequency 30 Hz…10 kHz DC…5 kHz 40 Hz…10 kHz 40 Hz…1 kHz 40 Hz…10 kHz 40 Hz…10 kHz 40 Hz…10 kHz
Imput signal level 1 mV / 1 A 1 mV / 1 A 100 mV / 1 A 500 mV / 1 A 38,8 μV / 1 A 38,8 μV / 1 A 38,8 μV / 1 A
Max. diameter of measured cord 52 mm 39 mm 20 mm 24 mm 360 mm 235 mm 120 mm
Minimal basic accuracy ≤0,5% ≤1,5% ≤1% 0,5% 1% 1% 1%
Battery power supply — + — — — — —
Lead length 2,2 m 2,2 m 2,2 m 3 m 2,2 m 2,2 m 2,2 m
Measurement category IV 300 V IV 300 V IV 300 V III 300 V IV 600 V IV 600 V IV 600 V

Files to Download

Data Sheet

User Manual

Declarations of conformity

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