Electricity: measuring and testing – Testing and calibrating electric meters
Patent
1992-06-12
1994-04-19
Strecker, Gerard R.
Electricity: measuring and testing
Testing and calibrating electric meters
324604, 324602, 307106, G01R 3500, H03K 300
Patent
active
053049195
ABSTRACT:
Circuitry for testing the ability of an intermediate range nuclear instrut to detect and measure a constant current and a periodic current pulse. The invention simulates the resistance and capacitance of the signal connection of a nuclear instrument ion chamber detector and interconnecting cable. An LED flasher/oscillator illuminates an LED at a periodic rate established by a timing capacitor and circuitry internal to the flasher/oscillator. When the LED is on, a periodic current pulse is applied to the instrument. When the LED is off, a constant current is applied. An inductor opposes battery current flow when the LED is on.
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Constant Richard E.
Do Diep
Moser William R.
Strecker Gerard R.
The United States of America as represented by the Department of
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