| GEOHM C | GEOHM PRO | GEOHM XTRA | METRALINE EARTH | METRAOHM 10 | |
|---|---|---|---|---|---|
| Item number | M590A | M592A | M592B | M590R | M630K |
| Product details page | Details | Details | Details | Details | Details |
| Indication | Digital | Digital | Digital | Digital | Graphic |
| Internal memory | x | x | x | x | x |
| Printer connection | |||||
| Printer integrated | |||||
| Test frequency | 128 - 128 | ||||
| Selective grounding measurement | |||||
| Bluetooth interface | |||||
| Background illumination | x | x | x | x | x |
| Low resistance measurement according to EN61557-4 / VDE 0413-4 | x | x | x | x | |
| Measurement even with existing interference voltages in systems with 16.7 Hz, 50 Hz, 60 Hz and 400 Hz | x | x | x | ||
| Earth loop resistance measurement with 2 current clamp meters (dual-clamp method) | x | x | |||
| Battery status indicator | x | x | x | x | x |
| Data interface | x | x | x | x | x |
| 3-wire earth resistance measurement with a current clamp meter (selective) | x | x | x | ||
| Specific earth resistance (Wenner method) | x | x | x | x | |
| RTC real-time clock | x | x | x | ||
| Current measurement (leakage currents etc.) | x | x | |||
| Measurement of interference voltages | x | x | x | ||
| Entry of distances between measurement electrodes | x | x | x | ||
| Selection of measuring voltages | x | x | |||
| Resistance measurement by means of auxiliary electrodes RS and RH | x | x | x | x | |
| GPS module | x | ||||
| 3 and 4-wire earth resistance measurement | x | x | x | x | |
| (Rechargeable) battery operation | x | x | x | x | x |
| Help function with connection diagrams | x | x | x | x | x |
| Measurement of interference frequencies | x | x | |||
| Low resistance measurement | x | ||||
| Limit value indication | x | ||||
| Degree of protection (IP) | IP40 | ||||
| Specific grounding measurement | |||||
| Measured value memory | x | ||||
| Interface | x | ||||
| Test current |