Two conductor measuring device, method for testing the same...

Details Two conductor measuring device, method for testing the same... Two conductor measuring device, method for testing the same...

2005-11-22

2005-11-22

Deb, Anjan (Department: 2858)

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

In vehicle wiring

C324S500000, C324S509000, C324S555000

Reexamination Certificate

active

06967486

ABSTRACT:
A two conductor measuring device (MS) is supplied with a current of a current loop, which originates from a source circuit (Q). The source circuit is certified in accordance with a valid standard IEC-1000-4-5, especially in accordance with standard IEC-1000-4-5:1995, is supplied with power by a primary vehicle electrical system (NP), and serves to supply a secondary vehicle electrical system (NS) with power. The two conductor measuring device (MS) is designed in such a way that it cannot be certified for an electromagnetic compatibility in accordance with valid standard IEC-1000-4-5. During testing the two conductor measuring device (MS) for electromagnetic compatibility, a hybrid generator, especially in accordance with standard IEC-60-1 or IEC-469-1, is used for generating a current/voltage surge. A decoupling network for simulating the source circuit (Q) is connected in an outgoing circuit to the hybrid generator. A two conductor measuring device (MS), which does not satisfy the test specifications of the standard IEC-1000-4-5:1995, is connected in the outgoing circuit to the decoupling network, and a type of approval for use on the secondary vehicle electrical system (NS) is granted to other two conductor measuring devices of the same type when the tested two conductor measuring device has withstood the test.

REFERENCES:
patent: 4331912 (1982-05-01), Ruesch et al.
patent: 5748008 (1998-05-01), Landreth
patent: 6265879 (2001-07-01), Landreth
patent: 6559660 (2003-05-01), Staerzl
patent: 0895209 (1999-02-01), None

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