| Barrel housing style ; Tough - 300 series stainless steel body withstands a wide variety of chemicals and cutting fluids ; Tiny sensors are available as small as a 4 MM barrel (about the size of a single optical fiber assembly) ; Economical, self-contained sensors are available in diffuse or opposed sensing modes; no separate amplifier required ; Advanced optical design provides high performance, and very repeatable sensing ; Well-focused, narrow beam allows the entire barrel sensor to be recessed into fixtures (excluding 50 MM range models) |
