Datasheet
Multifunction electrical installations meter
MPI-525
„m.v.” measured value.
RCD trigger and response time test t (for t mode) Measurement ranges
A A
IEC 61557: 0ms ... up to the upper bound of the displayed valuein accordance with
Standard
Selective
0,5*I
1* I
2* I
5*I
0,5*I
1* I
2* I
5*I
n
n
n
n
n
n
n
n
0...300ms
0...150ms
0...40ms
0...500ms
0...200ms
0...150ms
1ms
±(2% m.v. + 2 dgt)
Precision of the differential current: for 0,5*I :-8...0% for 1*I , 2*I , 5*I : 0...8%
Δn Δn Δn Δn
Measurement of the RCD triggering current (I ) for sine waveform testing current
A
10mA
30mA
100mA
300mA
500mA
1000mA
3,3...10,0
9,0...30,0mA
33...100mA
90...300mA
150...500mA
330...1000mA
mA
± 5% I
n
0,1mA
1mA
It is possible to start the measurement from the positive or negative half of the forced
leaking current
10mA
30mA
100mA
300mA
500mA
4,0...20,0
12,0...42,0mA
40...140mA
120...420mA
200...700mA
mA
±10% I
n
0,1mA
1mA
0,4 x I ...2
n n
,0 x I
0,4 x I ...1
n n
,4 x I
Measurement of the RDC triggering current (I ) for a unidirectional half period sine
A
waveform test current with a 6mA direct current offset
a measurement is possible for a positive or negative forced leakage current
10mA
30mA
100mA
300mA
500mA
4,0...20,0
12...60mA
40...200mA
120...600mA
200...1000mA
mA
0,1mA
1mA
±10% I
n
0,4 x I ...2
n n
,0 x I
Measurement of the RCD triggering current (I ) for direct testing current
A
a measurement is possible for a positive or negative forced leakage current
v.3
0,3 x I
n n
...1,0 x I
Breaker Type
Test Current
Multiplier
Measurement
Range
Resolution
Accuracy
Selected
Current
Range
Accuracy
Test
Current
Resolution
Selected
Current
Range
Accuracy
Resolution
Test
Current
Selected
Current
Range Accuracy
Resolution
Test
Current
Rated operational conditions:
- operation temperature 0...+50°C
Electric security:
- type of insulation double, according to EN 61010-1and IEC 61557, EMC
- measurement category IV 300V acc. to PN-EN 61010-1
- protection class acc. to PN-EN 60529 IP54
Other technical data:
- power supply battery package Ni-MH or alkaline batteries LR14 (4 pcs.)
Short-circuit loop impedance measurement
Ω
Z RCD
L-PE
Measurement using 15mA current measurement range in accordance with
IEC 61557: 0,50...1999,9
Short-circuit loop impedance measurement Z , Z , Z
L-PE L-N L-L
Measurement using 23/40A current measurement range in accordance with
IEC 61557: 0,13...1999,9Ω (for 1,2m lead):
Range
Resolution
Accuracy
Range
Resolution
Accuracy
Resolution
Resolution
Resolution
Accuracy
Accuracy
Accuracy
0,00...19,99
20,0...199,9
200...1999
Ω
Ω
Ω
0,01
0,1
1
Ω
Ω
Ω
±(5% m.v. + 3 dgt)
rated voltage: 95...270V (for Z i Z ) and 95...440V (for Z )
L-PE L-N L-L
frequency: 45...65Hz
0,00...19,99
20,0...199,9
200...1999
Ω
Ω
Ω
0,01
0,1
1
Ω
Ω
Ω
±(6% m.v. + 10 dgt)
±(6% m.v. + 5 dgt)
rated voltage
frequency: 45...65Hz
: 95...270V
Measurement of earthing R
E
Rated voltage in accordance with IEC 61557-5: 0,5...1999Ω
0,00...9,99
10,0...99,9Ω
100...999Ω
1,00...1,99kΩ
Ω
0,01Ω
0,1Ω
1Ω
0,01kΩ
±(2% m.v. + 3 dgt)
Phase sequence
phase sequence indicator: forward, reverse
U : 100...440V (45...65Hz)
L-L
h
mains voltage range U : 100...440V (45…65Hz)
L-L
display of p ase-to-phase voltages
Display range *)
±(3% m.v. + 8 dgt)
±(4% m.v. + 6 dgt)
0...1999kΩ
2,00...19,99M
20,0...199,9MΩ
200...999MΩ
1,00...3,00GΩ
1,00...9,99GΩ
Ω
1k
0,01M
0,1MΩ
1MΩ
0,01GΩ
0,1GΩ
Ω
Ω
Insulation resistance measurement
Measurement range in accordance with IEC 61557-2:
for U = 50V: 50kΩ...250MΩ
N
for U = 100V: 100kΩ...500MΩ
N
for U = 250V: 250kΩ...1GΩ
N
*) limited to measurement range.
with UNI-Schuko additional error ±2%.
0,00...19,99
20,0...199,9
200...400
Ω
Ω
Ω
0,01
0,1
1
Ω
Ω
Ω
±(2% m.v. + 3 dgt)
Low voltage test of the circuit and insulation continuity
Test of PE wire continuity using a ±200mA current
Autocalibration of test leads
Measurements for both polarizations of the current
Voltage on open terminals: 4…9V
Test current at R<2 : min. 200mA at rated battery voltageΩ
for U = 500V: 500kΩ...2GΩ
N
for U = 1000V: 1MΩ...3GΩ
N
dla U = 2500V: 2,5M...9,99GΩ
N
±(2% m.v. + 4 dgt)
Range
Range
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).