Testing and calibration device for an oxygen probe...

Details Testing and calibration device for an oxygen probe... Testing and calibration device for an oxygen probe...

2005-11-01

2005-11-01

Olsen, Kaj K. (Department: 1753)

Electrolysis: processes, compositions used therein, and methods

Electrolytic analysis or testing

For oxygen or oxygen containing compound

C204S401000, C204S424000, C073S001060

Reexamination Certificate

active

06960290

ABSTRACT:
A testing and calibrating device for an evaluation circuit of a linear oxygen probe (S) of an internal combustion engine is disclosed. Said device comprises a probe equivalent circuit (SES) having the same terminals (Vs+, Vs−/Vp−, Vp+ and Rc) as the oxygen probe (S). The probe equivalent circuit can largely emulate the electrical and chemical behaviors of the oxygen probe (S) and simulate probe faults and, at least during a testing and calibrating process, is connected to the evaluation circuit in place of the oxygen probe (S) or is connected parallel to said oxygen probe.

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