| Output | voltage |
| Soil heat flux range | –2000 to 2000 W/m2 |
| Sensitivity (nominal) | 60 x 10-6 V/ (W/m2) |
| Film heater resistance | 100 Ω ± 10 % |
| Film heater rated power supply | 9 to 15 VDC |
| Protection rating | IP67 |
| Standard cable length | 5 m (10, 15, 20, 30, 40 m on request) |
| Operating environment temperature | –40 to 80 °C |
| Operating environment humidity | 0 to 100% |