MRU-120HD
- 3-pole and 4-wire method – measurement of earthing systems using auxiliary probes
- 3-pole method with clamp – measurement of earthing systems with multiple earth electrodes
- Two-clamp method – measurement of earthing system when the auxiliary probes cannot be used
- Resistance of earth and compensatory conductors measured using current ≥200 mA with auto-zero function – meets the requirements of EN 61557-4
MRU-11
- 3-pole and 4-wire method – measurement of earthing systems using auxiliary probes
- 2-pole method
- Earth resistivity – Wenner method
- resistance of auxiliary electrodes RH and RS
- measurement of interference voltage to 100 V
- indication of battery state
- selection of maximum measuring voltage (25 V and 50 V)
- Auto-OFF function
MRU-10
- 3-pole method – measurement of earthing systems using auxiliary probes
- 2-pole method
- resistance of auxiliary electrodes RH and RS
- measurement of interference voltage to 100 V
- indication of battery state
- selection of maximum measuring voltage (25 V and 50 V)
- Auto-OFF function
MRU-200-GPS
- Impulse method – measurement of lightning protection systems with a measuring impulse ramp of 4/10 μs, 8/20 μs, 10/350 μs
- 3-pole and 4-wire method – measurement of earthing systems using auxiliary probes
- 3-pole method with clamp – measurement of earthing systems with multiple earth electrodes
- Two-clamp method – measurement of earthing system when the auxiliary probes cannot be used
- Earth resistivity – Wenner method
MRU-200
- Impulse method – measurement of lightning protection systems with a measuring impulse ramp of 4/10 μs, 8/20 μs, 10/350 μs
- 3-pole and 4-wire method – measurement of earthing systems using auxiliary probes
- 3-pole method with clamp – measurement of earthing systems with multiple earth electrodes
- Two-clamp method – measurement of earthing system when the auxiliary probes cannot be used
- Earth resistivity – Wenner method
MRU-120
- 3-pole and 4-wire method – measurement of earthing systems using auxiliary probes
- 3-pole method with clamp – measurement of earthing systems with multiple earth electrodes
- Two-clamp method – measurement of earthing system when the auxiliary probes cannot be used
- Soil resistivity – Wenner method
- Resistance of earth connection and equipotential bonding measured using current ≥200 mA with auto-zero function
MRU-30
- 3-pole and 4-wire method – measurement of earthing systems using auxiliary probes
- 3-pole method with clamp – measurement of earthing systems with multiple earth electrodes
- Two-clamp method – measurement of earthing system when the auxiliary probes cannot be used
- Earth resistivity – Wenner method
- Resistance of earth connection and equipotential bonding measured using current ≥200 mA with auto-zero function
MRU-21
- 3-wire method – measurement of earthing systems using auxiliary probes
- 2-wire method – simplified measurement of resistance-to-earth
- Resistance of earth and compensatory conductors measured using current ≥200 mA with auto-zero function – meets the requirements of EN 61557-4
- Measurement of resistance of auxiliary electrodes RS and RH
- Measurement of interference voltage
