| Model | FU-25*1 |
| Size | M6 |
| Detection arrangement | Coaxial |
| Fibre unit length | 2 m78.74″ free-cut |
| Fibre unit diameter | ø2.2×2 |
| Shape | Straight |
| Minimum bend radius | R25 mm0.984″ |
| Minimum detectable object | Gold wire with a diameter of 0.005 mm0.0002″ *2 |
| Environmental resistance
Ambient temperature |
-40 to +70 °C -40 to 158 °F |
| Weight | Approx. 18 g |
| Model | FU-2540 |
| Type | Adjustable beam spot |
| Spot diameter | ø0.9 to 3.5 mmø0.035″ to 0.138″ |