he original BIA class 2 is a mechanical closing force measuring device for bus doors. The elaborate design combines precision with practical robustness and ensures accurate measured values even after years of use in harsh environments.
| Original BIA Class 2 | |
| Measuring range | must be selected! |
| Accuracy | +/– 10 N or 5% of reading |
| Stiffness | 10 N/mm or 25 N/mm selectable! |
| Gap width | 115 mm / 4.52" |
| Diameter | 100 mm / 3.93" |
| Measuring principle | slave pointer |
| Dimensions | 260 x 130 x 115 mm / 10.2 x 5.1 x 4.5" |
| Weight | 2.1 kg / 4.6 lb |