Flame treated turbidity sensor

Details Flame treated turbidity sensor Flame treated turbidity sensor

2005-05-10

2005-05-10

Rosenberger, Richard A. (Department: 2877)

Optics: measuring and testing

For light transmission or absorption

Of fluent material

C138S097000

Reexamination Certificate

active

06891619

ABSTRACT:
An improved turbidity sensor is provided with a pair of spaced apart arms respectively housing a light transmitter and a light receiver, with the receiver adapted to sense the light from the transmitter and generate a corresponding output signal. The opposing surfaces of the arms adjacent the transmitter and receiver are flame treated for approximately one second each so as to raise the surface energy such that bubble-induced noise is reduced or eliminated for a more accurate output signal.

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Yosha (Journal of Japan Thermal Spraying Society), “Fundamental Study on Development of Wet Optical Sensor by the Thermal Spraying”, vol. 33, No. 4, pp. 40-48, Dec. 1996.

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