Calibration devices

Details Calibration devices Calibration devices

1980-05-20

1982-04-13

Swisher, S. Clement

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

219354, G01B 900

Patent

active

043241263

ABSTRACT:
A calibration device for calibrating gauges for measuring the width, diameter or length of luminous material, such as hot strip-, rod- or tube-like material, comprises an elongated tube of sintered quartz having an elongated light source disposed along its axis. The quartz has good dimensional stability, and diffuses the light produced by the source. It therefore simulates the hot luminous material normally measured by the gauge, without itself being very hot.

REFERENCES:
patent: 3316764 (1967-05-01), Nelson
patent: 4103277 (1978-07-01), Griffin
patent: 4241292 (1980-12-01), Kreick

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