Earth Resistance and Resistivity Meter and Multifunctional suitcase AMPI-520

Multifunction electrical Installations Meter AMPI-520

Multifunction electrical Installations Meter AMPI-520 - Possible measurements:

  • Short-circuit loop measurement:
  • Impedance measurement with 23A (44A phase-to-phase) short-circuit resistor RZW =10Ω
  • Measurement range: 95...440V, frequency 45...65Hz
  • Short - circuit loop measurement with resolution 0,01Ω, in distribution network without triggering RCD (I∆n ≥30mA):
  • Automatic calculation of short-circuit, detection of phase 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 resistances 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
  • Phase sequence
  • Phase sequence indicator: forward, reverse
  • Mains voltage range 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 voltajes UL-N : 100...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 digits)

20,0...199,9Ω

0,1Ω

200...400Ω

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 acc. with IEC61557: 0ms ... up to the upper bound of the displayed value

Breaker Type

Test Current
Multiplier

Measurement
Range

Resolution

Accuracy

Standard

0,5*I∆n

0...300ms

1ms

±(2% m.v. + 2 digits)

1* I∆n

2* I∆n

0...150ms

5*I∆n

0...40ms

Selective

0,5*I∆n

0...500ms

1* I∆n

2* I∆n

0...200ms

5*I∆n

0...150ms

Precision of the differential current: for 0,5*I∆n :-8...0%; para 1* I∆n,2* I∆n,5*I∆n : 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

0,3*I∆n…1*I∆n

±5% I∆n

30mA

9,0...30,0mA

100mA

33...100mA

1mA

300mA

90...300mA

500mA

150...500mA

1000mA

330...1000mA

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

4,0...20,0mA

0,1mA

0,4*I∆n…2*I∆n

±10% I∆n

30mA

12,0...42,0mA

100mA

40...140mA

1mA

0,4*I∆n…1,4*I∆n

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

0,4*I∆n…2*I∆n

±10% I∆n

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

 

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)

Range

Resolution

Accuracy

0,00...19,99Ω

0,01Ω

±(5% m.v. + 3 digits)

20,0...199,9Ω

0,1Ω

200...1999Ω

Rated voltage: 95...270V (for Z L-PE y Z L-N ) and 95...440V (for Z L-L )

Frequency:: 45...65Hz

Short-circuit loop impedance measurementZ L-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 digits)

20,0...199,9Ω

0,1Ω

±(6% m.v. + 5 digits)

200...1999Ω

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 digits)

10,0...99,9Ω

0,1Ω

±(2% m.v. + 3 digits)

100...999Ω

1,00...1,99kΩ

10Ω

Insulation resistance measurement

Measurement range in accordance with IEC 61557-2:

-UN=50V:  50kΩ…250MΩ

-UN=500V:  500kΩ…2GΩ

-UN=100V:  100kΩ…500MΩ

-UN=1000V:  1MΩ…3GΩ

-UN=250V:  250kΩ…1GΩ

 

Range

Resolution

Accuracy

0...1999kΩ

1kΩ

±(3% m.v. + 8 digits)

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 digits)

With UNI-Schuko additional error ±2%.

AMPI-520 Specifications

 

Electric security:

Type of insulation

Double, according to EN 61010-1 and IEC 61557, EMC

Measurement category

CAT IV 300V acc. to EN 61010-1

Protection class acc. to EN 60529

IP54

Other technical data:

Power supply

alkaline batteries LR14 (5 szt.) or battery package Ni-MH (additional option)

Rated operational conditions:

Operation temperature

0...+50°C

Standard accesories:

  • Probe with START button with UNI-SCHUKO (WS-03)
  • Test lead with banana plug; 1,2m; yellow
  • Test lead with banana plug; 1,2m; blue
  • Test lead with banana plug; 1,2m; red
  • Test lead on a reel with banana plugs; 30m; red
  • Test lead on a reel with banana plugs; 15m; blue
  • USB transmission cable
  • Pin probe with banana connector; yellow
  • Pin probe with banana connector; red
  • Pin probe with banana connector; blue
  • Crocodile clip K02; yellow
  • Crocodile clip K02; red
  • Earth contact test probe (rod); 0,3m
  • Carrying case L1
  • Hanging straps
  • Battery case LR14 (size C)
  • Batteries
  • Calibration certificate issued by calibration laboratory

Optional accesories:

  • Test lead with banana plug 5m; red
  • Test lead with banana plug 10m; red
  • Test lead with banana plug 20m; red
  • Cable for battery charger
  • Lead for battery loading from the socket of car lighter (12V)
  • Triple phase socket adapter AGT-16P
  • Triple phase socket adapter AGT-32P
  • Triple phase socket adapter AGT-63P
  • Adapter AUTO-ISO-1000C
  • RCD breaker testing adapter TWR-1 universal pin
  • AC line splitter (AC-16)
  • Probe with UNI-SCHUKO (WS-04)
  • Earth contact test probe (rod); 0,8m
  • Carrying case L3
  • Ground connector current clamps C3 ( Ø=52mm)
  • Ni-MH battery package 4,8V 4,2Ah
  • Crocodile clip K02; blue
  • Cramp
  • Test wire reel
  • Power supply adaptor Z7
  • Software for creation of documentation from electrical measurements
  • Software for creation drawings and diagrams

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