产品名称：MPI-508 多功能仪表电气装置

Short circuit loop measurements:
- nominal voltage of the network: 115/200V, 127/220V, 220/380V, 230/400V or 240/415V with frequency 45...65Hz
- short circuit loop impedance measurement with 15mA current and resolution 0,01Ω without tiggering RCD

Testing AC, A residual current circuit breakers
- testing of standard and selective RCDs for the rated current values 10, 30, 100, 300, 500 and 1000 mA,

Low voltage resistance, continuity of equipotential bondings and protective conductors measurements.
-  measurement of continuity of protective conductors with >200mA current in two directions
- compensation of the resistance of the test leads - possibility to use any lead

Phase sequence test.

Measurement and logging of AC voltage and current, frequency and power using additional clamp.

Memory of the results of measurement 990 cells, 10000 records.

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

• nominal work voltage Un_L-N/ Un_L-L: 115/200V, 127/220V, 220/380V, 230/400V,
   240/415V
• Voltage operating range: 100…264V (for Z_L-PE i Z_L-N) and 100…440V (for Z_L-L)
• Nominal network frequency fn: 50Hz, 60Hz
• Frequency operating range: 45…65Hz
• Max. test current: 23A (przy 230V), 44A (przy 440V)
• PE terminal connection corectores check with the help of touch electrode (Z_L-PE)


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

• No RCD reaction for I_Δn ≥ 30mA
• Nominal work voltage U_n: 115V, 127V, 220V, 230V, 240V
• Voltage range: 100…264V
• Nominal network frequency f_n: 50Hz, 60Hz
• Frequency operating range: 45…65Hz
• PE terminal connection corectores check with the help of touch electrode

Insulation resistance measurement:
• forUN = 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
200...1999MΩ	1MΩ
2,00...3,00GΩ	0,01GΩ	±(4% m.v. + 6 dgt)

*)  limited to measurement range

• Test voltages: 250V, 500V i 1000V
• Detection of votage before measurement
• automatic discharge of tested object after measurement
• Multiwired cables (max 5) insulation resistence measurement with additional adapter (AutoISO 1000A)
• measurement of voltage at the terminals +RISO, -RISO in range: 0..440V

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

• Voltage on open terminals: 4…7V
• Test current at R<2Ω: min. 200mA at rated battery voltage
• Autocalibration of test leads
• Measurements for both polarizations of the current

RCD measurements (oprerating voltages range: 95...270V)

Precision of the differential current: for 0,5*I_Δn:-8...0% for 1*I_Δn, 2*I_Δn, 5*I_Δn: 0...8%

Measurement of the RCD triggering current I_A for sine waveform testing current

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

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

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