Sonel MPI-525 多功能电气测试装置

  • Index:WMGBMPI525
    Possible measurements
    • Short-circuit loop measurement:
      -impedance measurement with 23A current (44A phase-to-phase) - short-circuit resistor R=10Ω,
      - measurement range: 95...440V, frequency 45...65Hz,
    • Short-circuit loop measurement with resolution 0,01Ω, in distribution network without tiggering RCD (IΔn≥30mA):
      - 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 1000mA. (Type AC, A and B).
    • Measurement of insulation resistance:
      - with test voltage 250V, 500V, 1000V, 2500V,
      - measurement range up to 10GΩ,
      - automatic discharging after measurement,
      - automatic measurement of all resistences in 3,4,5-wire cables using optional adapter AUTO-ISO,
      - acoustic signals in 5sec intervals for insulation resistance characteristic,
      - elapsing T1, T2, T3 times (0...600s) 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 200mA 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 300V 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 23/40A current measurement range in accordance with
IEC 61557: 0,13...1999,9Ω
(for 1,2m lead):

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

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

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

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

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

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

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

Insulation resistance measurement
Measurement range in accordance with IEC 61557-2:
- for UN = 50V: 50kΩ...250MΩ
- for U= 100V: 100kΩ...500MΩ
- for UN = 250V: 250kΩ...1GΩ
- for UN = 500V: 500kΩ...2GΩ
- for UN = 1000V: 1MΩ...3GΩ
- for UN = 2500V: 2,5MΩ...9,99GΩ

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

*) limited to measurement range.
- with UNI-Schuko additional error ±2%.

Phase sequence
- phase sequence indicator: forward, reverse
- mains voltage range UL-L: 100...440V (45…65Hz) UL-L: 100...440V (45...65Hz)
- display of phase-to-phase voltages

Low voltage test of the circuit and insulation continuity
Test of PE wire continuity using a ±200mA current

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

- Voltage on open terminals: 4…9V
- Test current at R<2Ω: min. 200mA at rated battery voltage
- Autocalibration of test leads
- Measurements for both polarizations of the current

RCD trigger and response time test t(for tA mode)
Measurement ranges in accordance with IEC 61557: 0ms ... up to the upper bound of the displayed value

Resolution Accuracy
Standard 0,5*IΔn 0...300ms

1 ms

± (2% m.v + 2 dgt)


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

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

Range Resolution Test
10mA 3,3...10,0mA 0,1mA 0,3xIΔ..1,0xIΔ ± 5% IΔn
30mA 9,0...30,0mA
100mA 33...100mA 1mA
300mA 90...300mA
500mA 150...500mA
1000mA 330...1000mA 1mA
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 6mA direct current offset

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

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

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

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

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

„m.v.” measured value.

  • 质量承诺
  • 正品保修
  • 送货到家
  • 交易简单化