Gas analysis device

Electricity: measuring and testing – Determining nonelectric properties by measuring electric... – Erosion

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Details

340237R, 338 34, 73 27R, G01N 2714

Patent

active

039978370

ABSTRACT:
In a system for analyzing a gas mixture and including a semiconductor gas measuring sensor and an indicating element, a differential amplifier is connected in series between the sensor and the indicating element.

REFERENCES:
patent: 3051895 (1962-08-01), Carson
patent: 3392333 (1968-07-01), Blondfield
patent: 3678489 (1972-07-01), Scherban
patent: 3733595 (1973-05-01), Benedict
patent: 3739260 (1973-06-01), Schadler
patent: 3754219 (1973-08-01), Klein
patent: 3778229 (1973-12-01), Webster et al.
patent: 3859644 (1975-01-01), Main
patent: 3887335 (1975-06-01), Boutonnat

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