Multi-function Meter (ISO Test Voltage 2500V) | MPI-525

Multi-function Meter (ISO Test Voltage 2500V) | MPI-525

R54,415.00 ex vat

Safety Rating Cat III at 600V labelSafety Rating Cat IV at 300V labelIP54 Label

Multi-function Meter –  Overview

The Electrical Installation Multifunction MPI-525 is equipment to perform complete tests and verify electrical installations according to the most common safety standards (IEC 61557, VDE 0100, BS7671). It is an instrument for measuring electric shock protection, earthing, and earthing resistance with a test voltage of up to 2500V.

Multi-function Meter –  Features

  • Short-circuit loop measurement:
    • Impedance measurement with 23 A current (44 A phase-to-phase) – short-circuit resistor R=10
    • Measurement range: 95 – 440 V, frequency 45…65 Hz
  • Short-circuit loop measurement with resolution 0,01, in distribution network without triggering RCD (In30 mA):
    • Automatic calculation of short-circuit, detection of phase voltage and phase-to-phase voltage
    • Additional UNI-Schuko plug for automatic measurement, AGT adapter for 3 phase network measurement
  • Testing of general and selective RCD with the rated differential current of 10,30,100,300,500 and 1000 mA. (Type AC, A and B)
  • Measurement of insulation resistance:
    • Test voltage 250 V, 500 V, 1000 V, 2500 V
    • Measurement range up to 10G
    • Automatic discharging after measurement
    • Automatic measurement of all resistances in 3,4,5-wire cables using optional adapter AUTO-ISO
    • Acoustic signals in 5 sec intervals for insulation resistance characteristic
    • Elapsing T1, T2, T3 times (0…600 s) form measurement of absorption coefficients (DAR, PI or Ab1, Ab2)
    • Safety measurement – protection against overvoltage
  • Measurement of earthing resistance
  • Bi-directional testing of PE wire continuity using 200 mA current
    • Autocalibration of test leads
  • Phase sequence testing
  • Memory is divided into 10 memory banks each of them containing 99 memory cells
  • Battery charge indicator
  • AUTO-OFF function
  • USB interface

Datasheet

Description

Electrical Installation Multi-function Meter MPI-525

Technical Specifications

Rated operational conditions:

– Operation temperature 0 – +50°C

Electric security:

– Type of insulation: double, according to PN-EN 61010 – 1 And IEC 61557, EMC
– Measurement category: IV 300 V acc. to PN-EN 61010 – 1
– Protection class acc. to PN-EN 60529: IP54

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

Test current: 23/40 A; Measuring range acc. to IEC 615570,13 – 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 

Measuring range acc. to IEC 61557-5: 0,50 Ω -1999 Ω

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)

Insulation resistance measurements

Measuring range acc. to IEC 61557-2:

  • For UN= 50 V: 50 kΩ- 250 MΩ
  • UN = 100 V: 100 kΩ – 500 MΩ
  • UN = 250 V: 250 kΩ – 999 MΩ
  • For UN = 500 V: 500 kΩ – 2 GΩ
  • UN = 1000 V: 1 MΩ – 9,99 GΩ
  • UN = 2500 V: 2,5 MΩ – 9,99 GΩ
Display range * Resolution Accuracy
0,00 – 1999 kΩ 1 kΩ ±(3% m.v. + 8 digits)
2,00 – 19,99 MΩ 0,01 MΩ ±(3% m.v. + 8 digits)
20,0 – 199,9 MΩ 0,01 MΩ ±(3% m.v. + 8 digits)
200 – 999 MΩ 1 MΩ ±(3% m.v. + 8 digits)
1,00 – 3,00 GΩ 0,01 GΩ ±(4% m.v. + 6 digits)
3,00 – 9,99 GΩ 0,1 GΩ ±(4% m.v. + 6 digits)

*Limited to measurement range.
-With UNI-Schuko additional error  ±2 %

Phase sequence

– Phase sequence indicator: forward, reverse
– Mains voltage range UL-L: 100 – 440 V (45 – 65 Hz) UL-L: 100 – 440 V (45 – 65 Hz)
– Display of phase-to-phase voltages

Low-voltage test of the circuit and insulation continuity

Test of PE wire continuity using ±200 mA current

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
  • Test current at R < 2 Ω: min. 200 mA at rated battery voltage
  • Autocalibration of test leads
  • Measurements for both polarizations of the current

RCD trigger and response time test tA(for tA mode):

Measurement ranges in accordance with IEC 61557: 0 ms – up to the upper bound of the displayed value

Breaker Type Test Current Multiplier Range Resolution Accuracy
Standard 0,5*IΔn 0 – 300 ms 1 ms ±(2% m.v. + 2 digits)
Standard 1*IΔn 0 – 300 ms 1 ms ±(2% m.v. + 2 digits)
Standard 2*IΔn 0 – 150 ms 1 ms ±(2% m.v. + 2 digits)
Standard 5*IΔn 0 – 40 ms 1 ms ±(2% m.v. + 2 digits)
Selective 0,5*IΔn 0 – 500 ms 1 ms ±(2% m.v. + 2 digits)
Selective 1*IΔn 0 – 200 ms 1 ms ±(2% m.v. + 2 digits)
Selective 2*IΔn 0 – 200 ms 1 ms ±(2% m.v. + 2 digits)
Selective 5*IΔn 0 – 150 ms 1 ms ±(2% m.v. + 2 digits)

Precision of the differential current: for 0,5*IΔn:-8 – 0% | for 1*IΔn | 2*IΔn | 5*IΔn: 0 – 8%

Measurement of the RCD triggering current (IA) for sine waveform testing current

Selected 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

It is possible to start the measurement from the positive or negative half of the forced leaking current

Measurement of RCD tripping current (IA) for a unidirectional half-period sine waveform test current with a 6 mA DC offset

Selected current Meas. range Resolution Test current Accuracy
10 mA 4 – 20,0 mA 0,1 mA 0,4 x IΔn – 2,0 x IΔn ±10%IΔn
30 mA 12,0 – 42,0 mA 0,1 mA 0,4 x IΔn – 1,4 x IΔn ±10%IΔn
100 mA 40,0 – 140 mA 1 mA 0,4 x IΔn – 1,4 x IΔn ±10%IΔn
300 mA 120 – 420 mA 1 mA 0,4 x IΔn – 1,4 x IΔn ±10%IΔn
500 mA 200 – 700 mA 1 mA 0,4 x IΔn – 1,4 x IΔn ±10%IΔn

Measurement is possible for positive or negative forced leakage current

Measurement of RCD tripping current (IAfor direct residual current 

Selected current Meas. range Resolution Test current Accuracy
10 mA 4 – 20,0 mA 0,1 mA 0,4 x IΔn – 2,0 x IΔn ±10%IΔn
30 mA 12,0 – 42,0 mA 0,1 mA 0,4 x IΔn – 2,0 x IΔn ±10%IΔn
100 mA 40,0 – 140 mA 1 mA 0,4 x IΔn – 2,0 x IΔn ±10%IΔn
300 mA 120 – 420 mA 1 mA 0,4 x IΔn – 2,0 x IΔn ±10%IΔn
500 mA 200 – 700 mA 1 mA 0,4 x IΔn – 2,0 x IΔn ±10%IΔn

Measurement is possible for a positive or negative forced leakage current

Calibration certificates are issued during the production process. New calibration certificates are available upon request at an additional cost.

NOTE: “m.v.” – measured value.

Brand

Sonel

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