| Model | 330901 | 3300 NSv Proximity Probes |
| Unthreaded Length Option | 11 | 1.1 in |
| Overall Case Length Option | 43 | 4.3 in |
| Total Length Option | 10 | 1.0 metre (39 in) |
| Connector and Cable-Type Option | 02 | Miniature coaxial ClickLoc connector, standard cable |
| Agency Approval Option | CN | ATEX/IECEx and Chinese NEPSI hazardous area marking |