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珠海康寶萊儀表有限公司


MPI-520多功能儀表電氣裝置

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產(chǎn)品型號MPI-520

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產(chǎn)品簡介

The MPI-520 multifunction meter is dedicated to perform diagnosis of electrical installation according to IEC 61557 standards. Digital meter MPI-520 is designed to measure impedance of a short cicuit

詳細(xì)介紹

The MPI-520 multifunction meter is dedicated to perform diagnosis of electrical installation according to IEC 61557 standards. Digital meter MPI-520 is designed to measure impedance of a short cicuit loop also without triggering RCD, parameters
of RCD, insulation resistance, earthing resistance, continuity and also for phase sequence testing. Furthermore to measure and logging of AC voltage and current, frequency and power.
Wide range of standard accessories enable to perform all necessary measurements and safety test. Highly professional portable multifunction meter with memory of measured parameters.
MPI-520 Technical Specifications
 

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,
    - measurement range up to 3GΩ,
    - UNI-Schuko plug for insulation measurement,
    - 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,
    - 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.
     

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
200...1999Ω 1Ω

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

Short-circuit loop impedance measurement ZL-PERCD        
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)
200...1999Ω 1Ω

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

Measurement of earthing  RE
Rated voltage in accordance with IEC 61557-5:
0,5Ω…1,99kΩ for 50V
0,56Ω…1,99kΩ for 25V

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)
100...999Ω 1Ω
1,00...1,99kΩ 0,01kΩ

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

Display 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)

*)   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 pase-to-phase voltages

Measurement of the active P, passive Q and apparent S power and cosφ
- Range of voltages ULN: 0...440V
- Nominal frequency of the network: 45...65Hz
- frequency measurement for voltage 50...440V in range 45,0...65,0Hz (accuracy max. ± 0,1%m.v. + 1 digit)
?- measurement cosφ: 0,00...1,00 (resolution 0,01)

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 tA (for tA mode)Measurement ranges
 in accordance with IEC 61557: 0ms ... up to the upper bound of the displayed value

Breaker Type Test Current
Multiplier		 Measurement
Range 		Resolution Accuracy
Standard 0,5*IΔn 0...300ms

1 ms



± (2% m.v. + 2 dgt)
1*IΔn
2*IΔn 0...150ms
5*IΔn 0...40ms
Selective 0,5*IΔn 0...500ms
1*IΔn
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

Selected
Current 		Range Resolution
 		 Test
Current		 Accuracy
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

Selected
Current 		Range Resolution Test
Current
Accuracy
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

Selected
Current 		Range Resolution  Test
Current  		Accuracy
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.

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