Chemistry: electrical and wave energy – Apparatus – Electrolytic
Reexamination Certificate
2005-08-09
2005-08-09
Nguyen, Nam (Department: 1753)
Chemistry: electrical and wave energy
Apparatus
Electrolytic
C204S433000, C204S402000, C204S416000, C417S036000, C417S236000, C417S237000, C222S145100, C422S082030
Reexamination Certificate
active
06926814
ABSTRACT:
An automatable measuring, cleaning and calibrating device for pH-electrodes or electrodes for measuring redox potentials, specifically in process engineering, having an electrode armature which keeps the measuring electrode in an operating position or in a maintenance position, whereby the electrode is retained in the maintenance position in a rinsing chamber in which a cleaning and calibration procedure can be performed. The device has a pump device to supply cleaning fluid and calibration solutions to the rinsing chamber over a delivery line connecting the pump device and the rinsing chamber. In order to configure the device more compactly, the pump device includes several feeds on its intake side, and a device is furnished to selectively activate a particular feed, and the media (cleaning fluid, calibration solution, etc.) brought selectively over the particular feeds to the pump device reach the rinsing chamber over the common delivery line.
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http://web.archive.org/web/20000610203026/http://machinedesign.com, Jun. 6, 2000.
Beck Bernhard
Koenemann Ralf
Wittmer Detlev
Endress & Hauser Conducta Gesellschaft fur Mess-und Regelte
Nguyen Nam
Vestal R Michelle
Young & Basile P.C.
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