Solid electrolyte gas analyzer with improved circuit and housing

Details Solid electrolyte gas analyzer with improved circuit and housing Solid electrolyte gas analyzer with improved circuit and housing

1996-09-24

1999-11-30

Tung, T.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204406, 204408, G01N 27407

Patent

active

059936231

ABSTRACT:
A solid electrolyte gas analyzer includes an analyzer circuit housed in an electronics housing and a probe housing for immersion in the gas of interest. The electronics housing mounts directly to the probe housing, preferably through a standoff. The analyzer circuit is powered by an AC line input and includes a switching power supply to convert the AC line input to DC power useable by the analyzer circuit. The analyzer circuit also includes a heater circuit controlling a heater in the probe housing. The power supply and the heater circuit automatically adjust to different AC line input voltage levels. The switching power supply efficiently supplies DC power to other portions of the analyzer circuit with little heat generation.

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