Digital tester

Details Digital tester Digital tester

1995-05-10

1996-08-06

Nguyen, Vinh P.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Plural ranges, scales or registration rates

324 99D, G01R 1508

Patent

active

055437079

ABSTRACT:
A digital tester includes structure for: automatically effecting AC/DC determination of an input signal and subsequent AC/DC switch-over of a measurement system, enabling high-response measurement; measuring a pulse width using a simple construction and having high reliability, by handling changes in an input potential as changes in potential zones; and storing the probes and test leads so that the digital tester is easier to handle for a higher degree of convenience in use.

REFERENCES:
patent: 4321530 (1982-03-01), Kelly et al.
patent: 4476721 (1984-10-01), Hochreuther et al.
patent: 4520310 (1985-05-01), Kelly et al.
patent: 4522061 (1985-06-01), Hochreuther et al.
patent: 4696189 (1987-09-01), Hochreuther
patent: 5119019 (1992-06-01), George
patent: 5142221 (1992-08-01), Meldrum et al.
patent: 5166599 (1992-11-01), Hochreuther et al.
patent: 5250893 (1993-10-01), Gambill et al.

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