
Fluid Sensors
Liquid sensors from Optek Technology detect different tube diameters without contact and are suitable for level detection and flow monitoring. They are designed for medical devices, analytical instruments, dosing systems and industrial applications. Available in different geometries for easy integration into compact systems.

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| OPTEK Technology | – | – | – | – | – | – | – | – | – | – | 28.58 mm | 26.04 mm | 10.36 mm | -40 °C | 85 °C | 0.01 g | |
| OPTEK Technology | With Design Kit | 1.6 mm | 1/16" inch | 3 | 0.3 mA | 0.8 mA | 1.3 mA | 50 mA | 1000 mA | – | – | – | – | – | – | 0.01 g | |
| OPTEK Technology | With Design Kit | 3.2 mm | 1/8" inch | 2.5 | 1.3 mA | 2.6 mA | 3.9 mA | 50 mA | 1000 mA | – | – | – | – | – | – | 0.01 g | |
| OPTEK Technology | With Design Kit | 4.8 mm | 3/16" inch | 2.3 | 1 mA | 2 mA | 4 mA | 50 mA | 1000 mA | – | – | – | – | – | – | 0.01 g | |
| OPTEK Technology | With Design Kit | 6.3 mm | 1/4" inch | 2.3 | 0.75 mA | 1.5 mA | 3 mA | 50 mA | 1000 mA | – | – | – | – | – | – | 0.01 g | |
| OPTEK Technology | PCB Mount | 3.2 mm | 1/8" inch | 3 | 1 mA | 3.5 mA | 6 mA | 50 mA | 1000 mA | 8,13 ±0,25 mm | – | – | – | – | – | 0.01 g | |
| OPTEK Technology | PCB Mount | 1.6 mm | 1/16" inch | 3 | 0.3 mA | 0.8 mA | 1.3 mA | 50 mA | 1000 mA | 12.04 mm | – | – | – | – | – | 0.01 g | |
| OPTEK Technology | PCB Mount | 3.2 mm | 1/8" inch | 2.5 | 1.3 mA | 2.6 mA | 3.9 mA | 50 mA | 1000 mA | 12.04 mm | – | – | – | – | – | 0.01 g | |
| OPTEK Technology | PCB Mount | 4.8 mm | 3/16" inch | 2.3 | 1 mA | 2 mA | 4 mA | 50 mA | 1000 mA | 12,04 ±0,25 mm | – | – | – | – | – | 0.01 g | |
| OPTEK Technology | PCB Mount | 6.3 mm | 1/4" inch | 2.3 | 0.75 mA | 1.5 mA | 3 mA | 50 mA | 1000 mA | 12,04 ±0,25 mm | – | – | – | – | – | 0.01 g | |
| OPTEK Technology | Wired assembly | 1.6 mm | 1/16" inch | 3 | 0.3 mA | 0.5 mA | 1.3 mA | 50 mA | 1000 mA | 12.04 mm | – | – | – | – | – | 0.01 g | |
| OPTEK Technology | Wired assembly | 3.2 mm | 1/8" inch | 2.5 | 1.3 mA | 2.6 mA | 3.9 mA | 50 mA | 1000 mA | 12.04 mm | – | – | – | – | – | 0.01 g | |
| OPTEK Technology | Wired assembly | 4.8 mm | 3/16" inch | 2.3 | 1 mA | 2 mA | 4 mA | 50 mA | 1000 mA | – | – | – | – | – | – | 0.01 g | |
| OPTEK Technology | Wired assembly | 6.3 mm | 1/4" inch | 2.3 | 0.75 mA | 1.5 mA | 3 mA | 50 mA | 1000 mA | – | – | – | – | – | – | 0.01 g |
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