Multi-function Electrical Installation Meter | MPI-540

Multi-function Electrical Installation Meter | MPI-540

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MPI-540 Multi-function Electrical Installation Meter Overview

The MPI-540 meter is designed for checking home and industrial electrical installations. Measurements taken by this device, provides results to determine the safety of the installation. The user also has the possibility to register the parameters of electrical networks location at these facilities.

This allows verification of the quality of electricity, and measurement of the parameters of protection against electric shock using a single universal device. This superior meter combines the measurement capabilities of several devices, while ensuring equally and accuracy. Significant automation of measurements with the meter makes it possible to test functioning of residual current circuit breaker in the auto mode, as well as in pre-programmed measuring sequences (so called auto-tests), which can also be extended with own sequences. Automatic measurement of insulation resistance of 3-, 4- and 5- wire conductors is possible by using additional the AUTO ISO-1000C adaptor.

This device is ideal for all measurements for commissioning of electrical installations in accordance with applicable regulations:

Features of MPI-540 Multi-function Electrical Installation Meter

  • 7 ” TFT LCD touch screen with a resolution of 800 x 480 pixels
  • removable memory card – easy increase of memory capacity
  • One device can be used for all measurements for commissioning of electrical installations in accordance with applicable regulations:
    • short circuit loop impedance (also in circuits with RCDs)
    • parameters of RCDs
    • insulation resistance
    • earthing resistance (4 measurement methods + ground resistivity measurement)
    • continuity of protective and equipotential bondings
    • lighting measurement
    • phase sequence tester
    • motor rotation direction tester
  • three-phase power network data logger, can record 50/60 Hz power network parameters in acc. 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 clamps used)
    • frequency in the range of 40Hz – 70Hz
    • active (P), reactive (Q) and apparent (S) power
    • power factor (PF), cosφ
    • harmonics (up to 40 in voltage and current)
    • total harmonic distortion (THD) for current and voltage

Description

Measurement of short circuit loop impedance ZL-PE, ZL-N, ZL-L

Test current: 23/40A; measuring range acc. to IEC 61557: 0,13…1999,9 Ω (for 1.2m test lead):

Display range Resolution Accuracy
0,000…19,999 Ω 0,001 Ω ±(5% of reading + 30 digits)
20,00…199,99 Ω 0,01 Ω ±(5% of reading + 30 digits)
200,0…1999,9 Ω 0,1 Ω ±(5% of reading + 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: 15mA, measuring range acc. to IEC 61557: 0,50…1999 Ω

Display range Resolution Accuracy
0,00…19,99 Ω 0,01 Ω ±(6% of reading + 10 digits)
20,0…199,9 Ω 0,1 Ω ±(6% of reading + 5 digits)
200…1999 Ω 1 Ω ±(6% of reading + 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% of reading + 4 digits)
10,0…99,9 Ω 0,1 Ω ±(2% of reading + 3 digits)
100…999 Ω 1 Ω ±(2% of reading + 3 digits)
1,00…1,99 kΩ 0,01 kΩ ±(2% of reading + 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% of reading + 4 digits)
10,0…99,9 Ω 0,1 Ω ±(2% of reading + 4 digits)
100…999 Ω 1 Ω ±(2% of reading + 4 digits)
1,00…1,99 kΩ 0,01 kΩ ±(2% of reading + 4 digits)
  • measurement with additional current clamp
  • interference current measuring range: up to 9,99 A

Selective earth measurement with two clamps

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

Soil resistivity measurement (ρ)

Display range Resolution Accuracy
0,00…9,99 Ω 0,01 Ω ±(2% of reading + 4 digits)
10,0…99,9 Ω 0,1 Ω ±(2% of reading + 4 digits)
100…999 Ω 1 Ω ±(2% of reading + 4 digits)
1,00…1,99 kΩ 0,01 kΩ ±(2% of reading + 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% of reading + 2 digits)

(for RCD with IΔn=10 mA and 0,5xIΔn uncertainty: ±(2% of reading +3 digits)

General and short-time delay 1*IΔn 0…300 ms 1 ms ±(2% of reading + 2 digits)

(for RCD with IΔn=10 mA and 0,5xIΔn uncertainty: ±(2% of reading +3 digits)

General and short-time delay 2*IΔn 0…150 ms 1 ms ±(2% of reading + 2 digits)

(for RCD with IΔn=10 mA and 0,5xIΔn uncertainty: ±(2% of reading +3 digits)

General and short-time delay 5*IΔn 0…40 ms 1 ms ±(2% of reading + 2 digits)

(for RCD with IΔn=10 mA and 0,5xIΔn uncertainty: ±(2% of reading +3 digits)

Selective 0,5*IΔn 0…500 ms 1 ms ±(2% of reading + 2 digits)

(for RCD with IΔn=10 mA and 0,5xIΔn uncertainty: ±(2% of reading +3 digits)

Selective 1*IΔn 0…200 ms 1 ms ±(2% of reading + 2 digits)

(for RCD with IΔn=10 mA and 0,5xIΔn uncertainty: ±(2% of reading +3 digits)

Selective 2*IΔn 0…200 ms 1 ms ±(2% of reading + 2 digits)

(for RCD with IΔn=10 mA and 0,5xIΔn uncertainty: ±(2% of reading +3 digits)

Selective 5*IΔn 0…150 ms 1 ms ±(2% of reading + 2 digits)

(for RCD with IΔn=10 mA and 0,5xIΔn uncertainty: ±(2% of reading +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% of reading + 8 digits)
10,0…19,9 Ω 0,1 Ω ±(3% of reading + 8 digits)
20,0…99,9 Ω 0,1 Ω ±(3% of reading + 8 digits)
20,0…99,9 Ω 0,1 Ω ±(3% of reading + 8 digits)
20,0…99,9 Ω 0,1 Ω ±(4% of reading + 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

Display range Resolution Accuracy
0,00…19,99 Ω 0,01 Ω ±(2% of reading + 3 digits)
20,0…199,9 Ω 0,1 Ω ±(2% of reading + 3 digits)
200…400 Ω 1 Ω ±(2% of reading + 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% of reading + 2 digits)
100…999 lx 1 lx ±(5% of reading + 2 digits)
1,00…9,99 klx 0,01 klx ±(5% of reading + 2 digits)
10,0…19,9 klx 0,1 klx ±(5% of reading + 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% of reading for reading of ≥ 10% Inom

±2% Inom for reading of < 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 (transformers, clamp) up to for decimal places depending of configuration (transformers, clamp)
Active, reactive apparent energy depending of configuration (transformers, 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% of reading for reading of ≥ 3% Unom

±0,15% Unom for reading of < 3% Unom

Harmonics Current as for alternating voltage as for alternating voltage ±5% of reading for reading of ≥ 10% Inom

±0,5% Inom for reading of < 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 10k A AC 10k A AC 10k A 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 / 1A 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

 

Brand

Sonel

Sonel Details.
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