Measuring and testing – Instrument proving or calibrating – Gas or liquid analyzer
Reexamination Certificate
2006-12-05
2006-12-05
Raevis, Robert (Department: 2856)
Measuring and testing
Instrument proving or calibrating
Gas or liquid analyzer
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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Huth Andreas
Kessel Robert
Leahy Kathleen
Nauber Andreas
Sagasser Gero
Dräger Safety AG & Co. KGaA
McGlew & Tuttle PC
Raevis Robert
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