| Measurement of interference voltage UN (RMS) |
| Range |
Resolution |
Accuracy |
| 0...100 V |
1 V |
±(10% m.v. + 1 digit) |
| Measurement of continuity of equipotential bondings and protective conductors (Rcont) |
| measurement range to IEC 61557-4 |
2007: 0,13 Ω...1999 Ω |
| Range |
Resolution |
Accuracy |
| 0,00...9,99 Ω |
0,01 Ω |
±(2% m.v. + 3 digits) |
| 10,0...99,9 Ω |
0,1 Ω |
| 100...1999 Ω |
1 Ω |
| measurement current |
under short circuit >200mA |
| frequency of measurement current |
125 Hz (for networks 50 Hz) and 150 Hz (for networks 60 Hz) |
| Measurement of earthing resistance (method 3- and 4-pole) |
| measurement range to IEC 61557-5 |
2007: 0,53 Ω...9999 Ω (dla 50 V) |
| Range |
Resolution |
Accuracy |
| 0,00...19,99 Ω |
0,01 Ω |
±(3% m.v. + 3 digits) |
| 20,0...199,9 Ω |
0,1 Ω |
| 200,0...1999 Ω |
1 Ω |
±5% m.v. |
| 2000...9999 Ω |
1 Ω |
±8% m.v. |
| measurement current |
under short circuit >20 mA, |
| voltage on open terminals |
selectable 25 V AC or 50 V AC, |
| frequency of measurement current |
125 Hz (for networks 50 Hz) or 150 Hz (for 60 Hz) |
| Measurement of multiple earthing resistance with using the clamp and auxiliary electrodes (3p + clamp) |
| Range |
Resolution |
Accuracy |
| 0,00...19,99 Ω |
0,01 Ω |
±(3% m.v. + 3 digits) |
| 20,0...199,9 Ω |
0,1 Ω |
| 200...1999 Ω |
1 Ω |
±5% m.v. |
| 2000...9999 Ω |
1 Ω |
±8% m.v. |
| voltage on open terminals |
selectable 25 V AC or 50 V AC, |
| measurement current |
under short circuit >20 mA, |
| frequency of measurement current |
125 Hz (for networks 50 Hz) and 150 Hz (for networks 60 Hz) |
| Measurement of resistance of auxiliary electrodes RH i RS |
| Range |
Resolution |
Accuracy |
| 0...999 Ω |
1 Ω |
±(5% m.v.+ 8 digits) |
| 1,00k...9,99 kΩ |
0,01 kΩ |
| 10,0k...19,9 kΩ |
0,1 kΩ |
| Measurement of multiple earthing resistance with using double clamps |
| Range |
Resolution |
Accuracy |
| 0,00...19,99 Ω |
0,01 Ω |
±(10% m.v. + 8 digits) |
| 20,0...99,9 Ω |
0,1 Ω |
±(20% m.v. + 3 digits) |
| frequency of measurement current |
125 Hz (for networks 50 Hz) and 150 Hz (for networks 60 Hz) |
| Measurement of ground resistivity |
| Measurement method |
Wenner, ρ=2πLRE |
| Range |
Resolution |
Accuracy |
| 0,00...9,99 Ωm |
0,01 Ωm |
depending on measurement
accuracy RE with 4p method,
but not less than ±1 digit |
| 10,0...99,9 Ωm |
0,1 Ωm |
| 100...999 Ωm |
1 Ωm |
| 1,00...9,99 kΩm |
0,01 kΩm |
| 10,0...99,9 kΩm |
0,1 kΩm |
| 100...999 kΩm |
1 kΩm |
| L – distance between probes |
1...50 m.. or 1...150 ft |
| Electric security |
| type of insulation |
double, according to EN 61010-1 i IEC 61557, |
| measurement category |
CAT III 300V wg EN 61010-1, |
| protection class acc. to EN 60529 |
IP65, |
| Rated operational conditions |
| operation temperature |
-10...+55°C, |
| storage temperature |
-20...+80°C, |
| humidity |
20...90%, |
| Other technical data |
| LCD display |
segment, backlit |
| Dimensions |
200x150x74 mm. |