MPI-525  

Catalog index: WMGBMPI525

Multifunction electrical instalations meter

 

      

Possible measurements

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 tiggering 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:

  • with test voltage 250 V, 500 V, 1000 V, 2500 V,
  • measurement range up to 10G,
  • automatic discharging after measurement,
  • automatic measurement of all resistences 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.

MPI-525 is equipment to perform complete test and verify on electrical installations according to the most common safety standards (IEC 61557, VDE 0100, BS7671).

Possible measurements

  • Short-circuit loop measurement:
    -impedance measurement with 23 A current (44 A phase-to-phase) – short-circuit resistor R=10 Ω,
    – measurement range: 95…440 V, frequency 45…65 Hz,
  • Short-circuit loop measurement with resolution 0,01 Ω, in distribution network without tiggering RCD (IΔn≥30 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:
    – with test voltage 250 V, 500 V, 1000 V, 2500 V,
    – measurement range up to 10 GΩ,
    – automatic discharging after measurement,
    – automatic measurement of all resistences 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.

Rated operational conditions:
– operation temperature 0…+50°C

Electric security:
– type of insulation: double, according to PN-EN 61010 – 1and IEC 61557, EMC
– measurement category: IV 300 V acc. to PN-EN 61010 – 1
– protection class acc. to PN-EN 60529: IP54

Short-circuit loop impedance measurement ZL-PE, ZL-N, ZL-L
Measurement using 23/40 A current measurement range in accordance with
IEC 61557: 0,13…1999,9 Ω
(for 1,2 m lead):

Range Resolution Accuracy
0,00…19,99 Ω 0,01 Ω ±(5% m.v + 3 dgt)
20,0…199,9 Ω 0,1 Ω
200…1999 Ω 1 Ω

rated voltage: 95…270 V (forZL-PE i ZL-N) and 95…440 V (for ZL-L)
frequency: 45…65 Hz

Short-circuit loop impedance measurement ZL-PE RCD
Measurement using 15 mA current measurement range in accordance with
IEC 61557: 0,50…1999,9 Ω

Range Resolution Accuracy
0,00…19,99 Ω 0,01 Ω ±(6% m.v. + 10 dgt)
20,0…199,9 Ω 0,1 Ω ±(6% m.v + 5 dgt)
200…1999 Ω 1 Ω

rated voltage: 95…270 V
frequency: 45…65 Hz

Measurement of earthing RE
Rated voltage in accordance with IEC 61557 – 5: 0,5…1999 Ω

Range Resolution Accuracy
0,00…9,99 Ω 0,01 Ω ±(2% m.v. + 4 dgt)
10,0…99,9 Ω 0,1 Ω ±(2% m.v. + 3 dgt)
100…999 Ω 1 Ω
1,00…1,99 kΩ 0,01 kΩ

 

Insulation resistance measurement
Measurement range in accordance with 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…1 GΩ
– for UN = 500 V: 500 kΩ…2 GΩ
– for UN = 1000 V: 1 MΩ…3 GΩ
– for UN = 2500 V: 2,5 MΩ…9,99 GΩ

 

Range*) Resolution Accuracy
0…1999 kΩ 1 kΩ ±(3% m.v. + 8 dgt)
2,00…19,99 MΩ 0,01 MΩ
20,0…199,9 MΩ 0,1 MΩ
200…999 MΩ 1 MΩ
1,00…3,00 GΩ 0,01 GΩ ±(4% m.v. + 6 dgt)
1,00…9,99 GΩ 0,1 GΩ

 

 

*) 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 a ±200 mA current

Range Resolution Accuracy
0,00…19,99 Ω 0,01 Ω ±(2% m.v. + 3 dgt)
20,0…199,9 Ω 0,1 Ω
200…400 Ω 1

– 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
Measurement
Range
Resolution Accuracy
Standard 0,5*IΔn 0…300 ms 1 ms ± (2% m.v + 2 dgt)

 

1*IΔn
2*IΔn 0…150 ms
5*IΔn 0…40 ms
Selective 0,5*IΔn 0…500 ms
1*IΔn
2*IΔn 0…200 ms
5*IΔn 0…150 ms

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

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

Selected
Current
Range Resolution Test
Current
Accuracy
10 mA 3,3…10,0 mA 0,1 mA 0,3xIΔ..1,0xIΔ ± 5%IΔn
30 mA 9,0…30,0 mA
100 mA 33…100 mA 1 mA
300 mA 90…300 mA
500 mA 150…500 mA
1000 mA 330…1000 mA 1 mA

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

Measurement of the RDC triggering current (IA ) for a unidirectional half period sine
waveform test current with a 6 mA direct current offset

Selected
Current
Range Resolution Test
Current
Accuracy
10 mA 4…20,0 mA 0,1 mA 0,4xIΔn..2,0xIΔn ±10%IΔn
30 mA 12,0…42,0 mA 0,4xIΔn..1,4xIΔn
100 mA 40,0…140 mA 1 mA
300 mA 120…420 mA
500 mA 200…700 mA

a measurement is possible for a positive or negative forced leakage current

Measurement of the RCD triggering current (IA ) for direct testing current

Selected
Current
Range Resolution Test
Current
Accuracy
10 mA 4,0…20,0 mA 0,1 mA 0,4xIΔn..2,0xIΔn ±10%IΔn
30 mA 12,0…60,0 mA 1 mA
100 mA 40…200 mA
300 mA 120…600 mA
500 mA 200…1000 mA

a measurement is possible for a positive or negative forced leakage current

„m.v.” measured value.

Data Sheet                                      

User Manual                                   

Declarations of conformity          

Firmware                                      

 

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