HID lamp ballast tester

Details HID lamp ballast tester HID lamp ballast tester

1986-02-03

1987-09-22

Karlsen, Ernest F.

Electricity: measuring and testing

Electric lamp or discharge device

315129, 324127, 324414, G01R 3100, G01R 122

Patent

active

046958037

ABSTRACT:
A ballast tester for HPS lamp circuits includes a body of insulating material, a base which fits the lamp socket, a single wire connected to the base and extending through the body forming a loop, and a hole in the body within the loop to receive a clamp-on ammeter. The ammeter measures short-circuit current, giving an indication of ballast condition.

REFERENCES:
patent: 672019 (1901-04-01), Sinding-Larsen
patent: 1552121 (1925-09-01), Dau
patent: 4496905 (1985-01-01), Forte et al.
Marks, "Standard Handbook for Mechanical Engineers", p. 15-7.
Sylvania, "Incandescent Lamps", pp. 1-6.
IES Lighting Handbook, 1984 Reference Volume, p. 8-72.

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