- Loop impedance measurement with resolution 0,01
- Loop impedance measurement without tripping the circuit breaker > 30mA with resolution 0,01 (100...440V)
- Measurements possible in installations 110/190V, 115/200V, 127/220V, 220/380V, 230/400V, 240/415V, 290/500V and 400/690V (range 100...750V)
- Short circuit current indication
- Voltage measurement up to 750V and up to 250V with resolution 0,1V
- Measurements using Uni-Schuko adapter or test wires 1,2; 5; 10 and 20m
- Memory of 990 records
- USB connection with PC
- Powered by disposable or rechargeable (4xLR14)
Measurement of short circuit loop impedance (ZL-PE, ZL-N, ZL-L)
Measuring range according to IEC61557: 0,13…1999? for 1,2m test leads; 0,25…1999? for UNI-SCHUKO adapter
| Range | Resolution | Accuracy |
| 0,00...19,99Ω | 0,01Ω | ±(5% m.v. + 3 Digits) |
| 20,0...199,9Ω | 0,1Ω | ±(4% m.v. + 3 Digits) |
| 200...1999Ω | 1Ω |
- rated operating voltage UnL-N/ UnL-L: 110/190V, 115/200V, 127/220V, 220/380V, 230/400V, 240/415V, 290/500V, 400/690V,
- operating voltage range: 100…440V (for ZL-PE and ZL-N) and 100…750V (for ZL-L)
- high current measurement (up to 30A),
- operating frequency range: 45…65Hz,
- control of correctness of PE terminal connection by means of a contact electrode (applicable to ZL-PE),
- measurement is also possible when L and N circuits are swapped,
- measurement of resistance and reactance components,
- short circuit current calculation.
Measurement of short circuit loop impedance ZL-PE RCD (without RCD tripping)
Measuring range according to IEC61557: 0,43...1999? for 1,2m test leads; 0,50...1999? for UNI-SCHUKO adapter
| 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 | 1Ω |
- operating voltage range: 100 ... 440V,
- rated operating voltage Un: 110V, 115V, 127V, 220V, 230V, 240V, 390V, 400V,
- control of correctness of PE terminal connection by means of a contact electrode,
- measurement is also possible when L and N circuits are swapped,
- measurement of resistance and reactance components,
- short circuit current calculation.
Voltage measurement
| Range | Resolution | Accuracy |
| 0,0...249,9V | 0,1V | ±(2% m.v. + 4 Digits) |
| 250...750V | 1V | ±(2% m.v. + 2 Digits) |
- frequency range 45…65Hz,
- overvoltage alarm.
Electrical safety:
- type of insulation: double, according to IEC 61010-1
- measurement category: CAT IV 600V (CAT III 1000V)
- protection class acc. to EN 60529: IP54
Other technical data
- power supply: alkaline batteries or NiMH rechargeable batteries, LR14 (4 pcs)
- number of Z measurements (for alkaline batteries): > 5000
- time to Auto-OFF: 300 seconds
- data transmission: USB
- memory of measurement results: 990 cells, 3500 entries
- display: LCD segment
- dimensions: 288 x 223 x 75mm
- meter weight: ca. 2 kg
„m.v.” measured value
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