| Input | SDI-12 ver. 1.3 |
| Internal memory size | 512 kB |
| Extension of memory capacity | up to 32 GB (Micro SD or Micro SDHC) |
| Measuring interval | 20 sec to 4 hrs |
| Power supply | internal lead acid battery 5 Ah or 8x D alkaline battery pack (�L� version only) or external lead acid battery completed with solar panel |
| Protection rating | IP65 |
| Size (L x W x H) | 210 x 180 x 100 mm (larger case 300 x 180 x 100 mm) |
| Weight | 2.5 kg |
| Operating environment temperature | –40 to 60 °C |
| Operating environment humidity | 0 to 100% |