| Model | FTL51 | |
| Approval | A | Non-hazardous area |
| Process Connection | AF2 | NPS 2" Cl.300 RF, 316/316L flange ASME B16.5 |
| Probe Length; Type | BB | |
| Electronics; Output | 4 | **FEL54;SILrelay DPDT 19-253VAC/19-55VDC |
| Housing; Cable Entry | E6 | F15 NEMA Type 4X Encl. 316L hygiene; NPT1/2 thread |
| Additional Option | C | EN10204-3.1 material (wetted parts), inspection certificate |