Low/high alarm for polymer flow

Details Low/high alarm for polymer flow Low/high alarm for polymer flow

1993-04-02

1994-06-21

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

356442, G01N 506

Patent

active

053230175

ABSTRACT:
A low cost optical sensor using ordinary non-coherent light reads the polymer content of a processed polymer solution and gives a go
o-go signal in response thereto. The system shuts down in response to the no-go signal. There are no moving parts to pick up or be fouled by polymer.

REFERENCES:
patent: 4213454 (1980-07-01), Shim
patent: 4629903 (1986-12-01), Gicobbe et al.

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