Measuring and testing – Fluid pressure gauge – Electrical
Patent
1982-05-05
1984-09-18
Myracle, Jerry W.
Measuring and testing
Fluid pressure gauge
Electrical
73756, 73755, 324462, G01L 2114, G01L 2132, G01L 1914
Patent
active
044716613
ABSTRACT:
In electronic devices for measuring pressures in vacuum systems, the metal elements which undergo thermal deterioration are made readily replaceable by making them parts of a simple plug-in unit. Thus, in ionization gauges, the filament and grid or electron collector are mounted on the novel plug-in unit. In thermocouple pressure gauges, the heater and attached thermocouple are mounted on the plug-in unit. Plug-in units have been designed to function, alternatively, as ionization gauge and as thermocouple gauge, thus providing new gauges capable of measuring broader pressure ranges than is possible with either an ionization gauge or a thermocouple gauge.
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The Measurement of Pressure in Industrial High Vacuum Systems, Instrument Praehze, 5-1960, pp. 519-527, Steckelmacher.
Garbo Paul W.
Myracle Jerry W.
Noland Tom
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