MRU-10 is a simple meter that allows you to measure grounding by the use of the technical method and to measure grounding resistance by the use of the 2-pole method. The instrument is easy to handle, resistive to interference, and highly accurate. MRU-10 is a basic device that allows checking the quality of the grounding system on the basis of the received measurement result. Its ergonomic shape, durable and firm housing, as well as big and clear display make this instrument ideal to use both in the field and most working environments. The device is simple to operate and intuitive. It is the best choice for electrical installations contractors, technicians, and professionals dealing with grounding measurements.
| Weight |
1 kg |
| Dimensions |
22 × 10 × 6 cm |
Measurement of interference voltage UN (RMS)
| Range |
Resolution |
Accuracy |
| 0…100 V |
1 V |
±(10% m.v. + 1 digit) |
Measurement of earthing resistance (method 3-pole)
measurement range to IEC 61557-5:2007: 0,53 Ω…9999 Ω (for 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…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),
- selection of measuring frequency in settings.
Measurement of earthing resistance (method 2-pole)
| Range |
Resolution |
Accuracy |
| 0,01…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 of earthing resistance (method 2-pole) RH and RS
| Range |
Resolution |
Accuracy |
| 0…999 Ω |
1 Ω |
±8% m.v. |
| 1,00…9,99 kΩ |
0,01 Ω |
| 10,0…19,9 kΩ |
0,1 Ω |
Electric security:
- type of insulation: double, according to EN 61010-1 and IEC 61557,
- measurement category: CAT IV 150 V acc. to EN 61010-1,
- protection class acc. to EN 60529: IP67.
Rated operational conditions:
- operation temperature: -10…+50°C,
- storage temperature: -20…+60°C,
- humidity: 20…90%.
Other technical data:
- LCD display: segment, backlit,
- dimensions: 221 x 102 x 62 mm,
- number of measurements (RE3P) carried out of set of batteries: > 3000
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