

| Item | Specifications |
|---|---|
| Product Number | FT-S21 |
| Part Number | FT-S21 |
| Sensing mode | Thru-beam type |
| Fiber type | Cylindrical type |
| Fiber head dia. | dia. 1.5 mm |
| Fiber head length | 10 mm |
| With sleeve | No |
| Beam direction | Top-view |
| Beam axis dia./ Spot diameter | dia. 0.5 mm |
| Beam axis accuracy : Beam axis position | 150 micro m |
| Beam axis accuracy : Beam axis Inclination | plus or minus 2 degrees |
| Fiber cable length | 2 m |
| Allowable bending radius | R2 mm |
| Free-cut | Available |
| Mounting lens | Not available |
| Mounting protective tube | Not available |
| Application | General-purpose |
| Environmental resistance : Protection | IP67 |
| Environmental resistance : Ambient temperature MAX | 80 degrees |
| Environmental resistance : Ambient temperature MIN | -55 degrees |
| Sensing range(STD) | 315 mm 12.402 in (FX-500 series) |
| Sensing range(HYPR) | 1,350 mm 53.150 in (FX-500 series) |
| Sensing range(U-LG) | 770 mm 30.315 in (FX-500 series) |
| Sensing range(LONG) | 550 mm 21.654 in (FX-500 series) |
| Sensing range(FAST) | 210 mm 8.268 in (FX-500 series) |
| Sensing range(H-SP) | 70 mm 2.756 in (FX-500 series) |