MRU-120HD
![MRU-120HD](images/mru-120hd.png)
- Measurement of resistance of auxiliary electrodes
RS and RH
- Measurement of interference voltage
- Measurement in the presence of interference voltage generated
by power networks with frequency of 50 Hz or 60 Hz
MRU-11
- Measurement of resistance of auxiliary electrodes
RS and RH
- Measurement of interference voltage to 100 V
- Selection of maximum measuring voltage (25 V and 50
V)
MRU-120 XL3
![MRU-120 XL3](images/mru-120-xl3.png)
- Measurement current of 200 mA facilitates earth resistance
measurements in difficult areas
- Measurement of resistance of auxiliary electrodes
RS and RH
- Measurement of interference voltage to 100 V
MRU-120 XL3N1
![MRU-120 XL3N1](images/mru-120-xl3n1.png)
- Measurement current of 200 mA – facilitates earth
resistance
- Measurement of resistance of auxiliary electrodes RS and
RH
- Measurement of interference voltage
MRU-200 XL3
![MRU-200 XL3](images/mru-200-xl3.png)
- Measurement of resistance of auxiliary electrodes RS and
RH
- Measurement of interference frequency
- Measurement of interference voltage
MRU-200 XL3C3N1
![MRU-200 XL3C3N1](images/mru-200-xl3c3n1.png)
- Measurement of resistance of auxiliary electrodes RS and
RH
- Measurement of interference frequency
- Measurement of interference voltage
MRU-200-GPS XL3
![MRU-200-GPS XL3](images/mru-200-gps-xl3.png)
- Measurement of resistance of auxiliary electrodes RS and
RH
- Measurement of interference frequency
- Measurement of interference voltage
MRU-200-GPS XL3C3N1
![MRU-200-GPS XL3C3N1](images/mru-200gpsxl3c3n1.png)
- Measurement of resistance of auxiliary electrodes RS and
RH
- Measurement of interference frequency
- Measurement of interference voltage
MRU-200-GPS
![MRU-200-GPS](images/mru-200-gps_gm8U.png)
- Measurement of resistance of auxiliary electrodes RS and
RH
- Measurement of interference frequency
- Measurement of interference voltage
MRU-200
![MRU-200](images/mru-200_Uxe6.png)
- Measurement of resistance of auxiliary electrodes
RS and RH
- Measurement of interference voltage
- Measurement in the presence of interference voltage generated
by power networks with frequency of 16 2/3 Hz, 50 Hz, 60 Hz, 400 Hz
MRU-120
- Measurement of resistance of auxiliary electrodes
RS and RH
- Measurement of interference voltage
- Measurement current of 200 mA – facilitates earth resistance
measurements in difficult areas (sand, stony soil)
MRU-30
- Measurement of resistance of auxiliary electrodes
RS and RH
- Measurement of interference voltage
- Measurement in the presence of interference voltages in
networks with frequencies of 50 Hz and
60 Hz
MRU-21
- Measurement of resistance of auxiliary electrodes
RS and RH
- Measurement of interference voltage
- Selection of maximum measuring voltage (25 V and 50 V)
MRU-10
- Measurement of resistance of auxiliary electrodes
RS and RH
- Measurement of interference voltage
- Selection of maximum measuring voltage (25 V and 50 V)