| Model 2SBL1 is the retro reflective mode scanner block in the 2-wires MULTI-BEAM family |
| It has the same excellent optical performance as model SBL1 in the 3 and 4-wire family |
| Alternatively, the Maxi- beam, Valu- beam, and Mini- beam families offer 2-wires AC visible and polarized retro reflective models |
| Notice from the excess gain curve that the gain falls off at very close sensing ranges, so much so that retro reflectors cannot be used reliably closer than one inch from the sensor |
| Infrared beam |
| 940 nm sensing beam wavelength |
| 2.5 ms repeatability |
