Modular gas chromatograph

G - Physics – 01 – N

Patent

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G01N 30/88 (2006.01)

Patent

CA 2621030

The present invention is directed to a modular gas chromatograph (10) having a display screen. The gas chromatograph includes an explosion-proof housing (12) and a transparent panel secured to the housing. The display screen is disposed in the housing and is visible through the transparent panel. The gas chromatograph has a plurality of modules, including a feed- through module (14) , an analytical module (16) and a display module containing the display screen. The analytical module is mounted inside the housing and includes a GC module (164) , a manifold module (162) and an electronics module (20) . The analytical module may be removed from the housing as a unit. The GC module includes a column assembly and a printed circuit board, both of which are mounted to a valve assembly. A plurality of electronic devices are mounted to the circuit board. The electronic devices include non-volatile memory, pressure sensors and detector devices.

La présente invention porte sur un chromatographe au gaz modulaire ayant un écran d'affichage. Le chromatographe au gaz comporte un logement antidéflagrant et un panneau transparent fixé au logement. L~écran d'affichage se trouve dans le logement et est visible à travers le panneau transparent. Le chromatographe au gaz possède une pluralité de modules, comprenant un module à traversée isolante, un module analytique et un module d'affichage contenant l~écran d'affichage. Le module analytique est monté à l'intérieur du logement et comporte un module CG, un module collecteur et un module de circuits électroniques. Le module analytique peut se retirer du logement d'un seul bloc. Le module CG comporte un ensemble de colonne et une carte imprimée, les deux étant montés sur un ensemble de valve. Une pluralité de dispositifs électroniques sont montés sur la carte imprimée. Les dispositifs électroniques comportent une mémoire non volatile, des capteurs de pression et des dispositifs de détection.

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