Gas-measuring device with an electrochemical sensor

Measuring and testing – Instrument proving or calibrating – Gas or liquid analyzer

Reexamination Certificate

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C204S401000

Reexamination Certificate

active

07143630

ABSTRACT:
A gas-measuring device has an electrochemical sensor and features such that the readiness for use is guaranteed for a determined period of time. A status display (7), is activated by the evaluating circuit (3) of the gas-measuring device. The status display (7) displays the degree of depletion of the sensor.

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patent: 6693547 (2004-02-01), Manakkal
patent: 2005/0098447 (2005-05-01), Broy et al.
patent: 44 45 947 (1996-06-01), None

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