Gas-measuring device with an electrochemical sensor

US7143630B2 · kind B2 · utility

Assignee

• DRÄGER SAFETY AG & CO. KGAA · DE

Inventors

• Matthias Studer · Kehlhof, CH
• Robert Kessel · Bad Oldesloe, DE
• Andreas Nauber · Wulfen, DE
• Kathleen Leahy · Wulfen, DE
• Gero Sagasser · Bad Schwartau, DE
• Andreas Huth · Wulfen, DE

Key dates

• Filing date: Nov 2, 2004
• Grant date: Dec 5, 2006
• Expiry date: Nov 18, 2024

Classification

• Technology area (CPC G): Physics
• CPC primary: G01N27/4163
• WIPO field: Measurement
• WIPO sector: Instruments

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.