Apparatus for determining and/or monitoring a physical or...

Details Apparatus for determining and/or monitoring a physical or... Apparatus for determining and/or monitoring a physical or...

2008-07-08

2008-07-08

Lau, Tung S (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system

Remote supervisory monitoring

Reexamination Certificate

active

07398188

ABSTRACT:
An apparatus for determining and/or monitoring a physical or chemical quantity during a process. The apparatus comprises at least one field device which exchanges data with a remote monitoring station by means of a data connection. The apparatus is provided with at least one fuel cell which is electrically connected to the field device, but arranged at a distance from the field device, and at least partially covers the energy demand of the field device.

REFERENCES:
patent: 6615656 (2003-09-01), Breed et al.
patent: 2002/0036430 (2002-03-01), Welches et al.
patent: 2004/0086768 (2004-05-01), Fleckner et al.
http://www.m-w.com/dictionary/hydrogen, p. 1.

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