Refractometer

Details Refractometer Refractometer

1984-05-25

1986-01-14

Evans, F. L.

Optics: measuring and testing

Refraction testing

Refractive rod engages specimen

356243, 356246, G01N 2141

Patent

active

045642923

ABSTRACT:
A refractometer for measuring the index of refraction of a sample medium comprises a sample medium sensor and a reference medium sensor. Both sensors are combined into a single measuring probe which is connected by a flexible cable to a housing unit which accommodates the source of light, photodetectors, the test data processor and the indicator. The refractometer with the single probe is portable and easy to handle.

REFERENCES:
patent: 3282149 (1966-11-01), Shaw et al.
patent: 3520619 (1970-07-01), Ward
patent: 3917410 (1975-11-01), Ulrich
patent: 4152075 (1979-05-01), Rellstab et al.
patent: 4354180 (1982-10-01), Harding

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