Surge counter

Details Surge counter Surge counter

1994-11-28

1996-11-05

Karlsen, Ernest F.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Demand, excess, maximum or minimum

324122, 324133, G01R 1965

Patent

active

055721168

ABSTRACT:
A surge detecting element which is connected to surge invading lines and is composed of a gap type discharge tube and a nonlinear resistor both connected in series with each other and one or more of surge absorbing elements each having an impulse discharge starting voltage higher than an impulse discharge starting voltage of the surge detecting element. A light receiving element is provided for the gap type discharge tube in light receiving relationship therewith for detecting a discharge light thereof, a counter circuit for counting a detected signal from the light receiving element is also provided.

REFERENCES:
patent: 3141107 (1964-07-01), Wasserman
patent: 4769283 (1989-01-01), Brunner et al.

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