| 加工定制：是 | 类型：安全参数测试仪 | 品牌：华清 |
| 型号：MPI-520 | 测量范围：详见资料 | 精确度：MPI-520 |
| 仪表尺寸：详见资料mm | 适用范围：MPI-520 | 仪表重量：详见资料kg |
| 工作电源：MPI-520V | 规格：详见资料 |
Possible measurements:
MPI-520；MPI-520 华清
MPI-520；MPI-520 华清
MPI-520；MPI-520 华清
MPI-520；MPI-520 华清
MPI-520；MPI-520 华清
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 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 (for ZL-PE i ZL-N) and 95...440 V (for ZL-L)
frequency: 45...65 Hz
Short-circuit loop impedance measurement ZL-PERCD
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 Ω…1,99 kΩ for 50 V
0,56 Ω…1,99 kΩ for 25 V
| 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
MPI-520；MPI-520 华清
MPI-520；MPI-520 华清
MPI-520；MPI-520 华清
MPI-520；MPI-520 华清
MPI-520；MPI-520 华清
MPI-520；MPI-520 华清
