Tube Liquid Sensor OPB350 / OCB350 Series (Calibration Circuit Available) Features: • Can identify if liquid is present in clear tubes that have an outside diameter of 1/16” [1.
6mm], 1/8" [3.
2mm], 3/16" [4.
8 mm] or 1/4" [6.
3 mm] • Opaque plastic housing enhances ambient light rejection • Printed circuit board mounting or 24” (610 mm) 26 AWG wires “N” Package “C” Package “T” Package Description: The OPB350 series liquid sensor is designed to work with 1/16” [1.
6mm] 1/8” [3.
2mm], 3/16” [4.
8 mm] and 1/4” [6.
3 mm] outside diameter clear tubes.
When output reference circuitry is added, multiple output states such as “fluid present,” “no fluid present” and “no tube present” can be recognized.
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