of RCD, insulation resistance, earthing resistance, continuity and also for phase sequence testing. Furthermore to measure and logging of AC voltage and current, frequency and power.
Wide range of standard accessories enable to perform all necessary measurements and safety test. Highly professional portable multifunction meter with memory of measured parameters.
Possible measurements
- Short-circuit loop measurement:
- impedance measurement with 23A current (44A phase-to-phase) - short-circuit resistor R=10Ω,
- measurement range: 95...440V, frequency 45...65Hz,
- Short-circuit loop measurement with resolution 0,01Ω, in distribution network without tiggering RCD (IΔn≥30mA):
- 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 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 resistences 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.
Short-circuit loop impedance measurement ZL-PE, ZL-N, ZL-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 dgt) |
| 20,0...199,9Ω | 0,1Ω | |
| 200...1999Ω | 1Ω |
rated voltage: 95...270V (for ZL-PE i ZL-N) and 95...440V (for ZL-L)
frequency: 45...65Hz
Short-circuit loop impedance measurement ZL-PERCD
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 dgt) |
| 20,0...199,9Ω | 0,1Ω | ±(6% m.v. + 5 dgt) |
| 200...1999Ω | 1Ω |
rated voltage: 95...270V
frequency: 45...65Hz
Measurement of earthing RE
Rated voltage in accordance with IEC 61557-5:
0,5Ω…1,99kΩ for 50V
0,56Ω…1,99kΩ for 25V
| Range | Resolution | Accuracy |
| 0,00...9,99Ω | 0,01Ω | ±(2% m.v. + 4 dgt) |
| 10,0...99,9Ω | 0,1Ω | ±(2% m.v. + 3 dgt) |
| 100...999Ω | 1Ω | |
| 1,00...1,99kΩ | 0,01kΩ |
Insulation resistance measurement
Measurement range in accordance with IEC 61557-2:
- for UN = 50V: 50kΩ...250MΩ
- for UN = 100V: 100kΩ...500MΩ
- for UN = 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 | |
| 1,00...3,00GΩ | 0,01GΩ | ±(4% m.v. + 6 dgt) |
*) limited to measurement range.
**) with UNI-Schuko additional error ±2%.
Phase sequence
- phase sequence indicator: forward, reverse
- mains voltage range UL-L: 100...440V (45…65Hz) 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 voltages ULN: 0...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 dgt) |
| 20,0...199,9Ω | 0,1Ω | |
| 200...400Ω | 1 |
?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 accordance with IEC 61557: 0ms ... up to the upper bound of the displayed value
| Breaker Type | Test Current Multiplier | Measurement Range | Resolution | Accuracy |
| Standard | 0,5*IΔn | 0...300ms | 1 ms |
|
| 1*IΔn | ||||
| 2*IΔn | 0...150ms | |||
| 5*IΔn | 0...40ms | |||
| Selective | 0,5*IΔn | 0...500ms | ||
| 1*IΔn | ||||
| 2*IΔn | 0...200ms | |||
| 5*IΔn | 0...150ms |
Precision of the differential current: for 0,5*IΔn:-8...0% dla 1*IΔn, 2*IΔn, 5*IΔn: 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 | 0,3xIΔ..1,0xIΔ | ± 5% IΔn |
| 30mA | 9,0...30,0mA | |||
| 100mA | 33...100mA | 1mA | ||
| 300mA | 90...300mA | |||
| 500mA | 150...500mA | |||
| 1000mA | 330...1000mA | 1mA |
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...20,0mA | 0,1mA | 0,4xIΔn..2,0xIΔn | ±10%IΔn |
| 30mA | 12,0...42,0mA | 0,4xIΔn..1,4xIΔn | ||
| 100mA | 40,0...140mA | 1mA | ||
| 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 | 0,4xIΔn..2,0xIΔn | ±10%IΔn |
| 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.
