Testing RCD breakers of AC, A and B types.

  • testing of general, short delay and selective RCDs for the rated current values IΔn =10, 30, 100, 300 and 500 mA,
  • simultaneous measurement of tripping current IA and disconnection time tA, for currents 0,5IΔn, 1IΔn, 2IΔn , 5IΔn
  • ability to measure touch voltage UB and earth resistance RE without tripping,
  • AUTO RCD test function.

AC voltage and frequency measurement.

PE lead connection check using a touch electrode.

Bulit-in memory for up to 990 cels of measurement results.

Wireless radio communication interface.

Professional software for reading data and creating reports.

RCD trigger test and response time measurement tA
Measurement range according to IEC 61557: 0 ms…the upper limit of the displayed value

RCD typeRated Current
Multiplication
Factor
RangeResolutionAccuracy
General
or short delay
0,5*IΔn0…300 ms1 ms±(2% m.v. + 2 digits)*
1*IΔn
2*IΔn0…150 ms
5*IΔn0…40 ms
Selective0,5*IΔn0…500 ms
1*IΔn
2*IΔn0…200 ms
5*IΔn0…150 ms

*for IΔn= 10 mA and 0,5 IΔn accuracy is ±2% m.v. + 3 digits

  • residual current setting accuracy:
    – for 1*IΔn, 2*IΔn and 5*IΔn: 0…8%,
    – for 0,5*IΔn : -8…0%,
  • nominal voltage Un: 220 V, 230 V, 240 V,
  • work voltage range: 180…270 V,
  • nominal frequency fn: 50 Hz, 60 Hz,
  • work frequency range: 45 Hz…65 Hz.

RCD disconnecting current measurement for a sine AC test current (IA)

Measurement range according to IEC 61557: (0,3…1,0)IΔn

Selected
rated RCD
current
RangeResolutionMeasurement
current
Accuracy
10 mA3,3…10,0 mA0,1 mA0,3 mA x IΔn
…1,0 mA x IΔn
±5% IΔn
30 mA9,0…30,0 mA
100 mA33…100 mA1 mA
300 mA90…300 mA
500 mA150…500 mA
  • start of measurement from the positive or negative half sine period of the test current
  • test current flow time – max. 7510 ms at f=50,0 Hz.

RCD disconnecting current measurement for unidirectional pulsed residual current and unidirectional pulsed current with a 6 mA DC offset (IA)

Measurement range according to IEC61557: (0,15…1,4) IΔn for IΔn > 30 mA and (0,15…2)IΔn for IΔn=10 mA

Selected
rated RCD
current
RangeResolutionMeasurement
current
Accuracy
10 mA1,5…20,0 mA0,1 mA0,15 x IΔn
…2,0 mA x IΔn
±10% IΔn
30 mA4,5…42,0 mA
100 mA15…140 mA1 mA0,15 mA x IΔn
…1,4 mA x IΔn
±10% IΔn
300 mA45…420 mA
  • start of the measurement from the positive or negative half sine period of the test current
  • test current flow time – max. 14710 ms at f=50 Hz

 

RCD response time measurement for the residual DC current (IA)

Measurement range according to IEC61557: (0,2…2)IΔn

Selected
rated RCD
current
RangeResolutionMeasurement
current
Accuracy
10 mA2…20,0 mA0,1 mA0.2 mA x IΔn
…2,0 mA x IΔn
±10% IΔn
30 mA6…60 mA1 mA
100 mA20…200 mA
300 mA60…600 mA
  • measurement possible for positive or negative residual current
  • test current flow time – max. 4500 ms at f=50 Hz

IΔn – rated residual current value RCD

Touch voltage measurement referred to the rated residual current (UB)
Measurement range according to IEC61557: 10,0…99,9 V

RangeResolutionMeasurement currentAccuracy
0…9,9 V0,10,4 x IΔn0…10% IΔn m.v. ± 5 digits
10,0…99,9 V0…15% IΔn m.v.

Earthing resistance measurement (RE)

Selected
rated RCD
current
RangeResolutionMeasurement
current
Accuracy
10 mA0,01…5,00 kΩ0,01 kΩ4 mA0…+10% m.v. ± 5 digits
30 mA0,01…1,66 kΩ12 mA0…+10% m.v. ± 5 digits
100 mA1…5000 Ω1 Ω40 mA0…+5%m.v. ± 5 digits
300 mA1…166 Ω120 mA
500 mA1…100 Ω200 mA

Voltage measurement
Measurement range in accordance with IEC 61557: 1,1 Ω…1,99 kΩ

RangeResolutionAccuracy
0,00…299,9 V0,1 V±(2% m.v. + 6 digits)
300…500 V1 V±(2% m.v. + 2 digits)
  • frequency range: 45…65 Hz
RangeResolutionAccuracy
45,0…65,0 Hz0,1 Hz±(0,1% m.v. + 1 digit)
  • voltage range 50…500 V

Electric security:

  • type of insulation: double, according to EN 61010 – 1 and IEC 61557
  • measurement category: CAT IV 300 V (III 600 V) acc. to EN 61010 – 1
  • protection class: IP67

Other technical data:

  • power supply: alkaline batteries LR6 (AA) (4 pcs.)

Rated operational conditions:

  • operating temperature: -10…+50°C
  • storing temperature: -20…70°C
  • humidity: 20…80%

„m.v.” – measured value.

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