Mobile device for analyzing a gas flow, particularly hydrogen, in a distribution station

Abstract

An analytical device (1) for the composition of a gas stream is proposed, comprising: a spectroscopy module (2) equipped with an infrared spectrometer, an auxiliary module (3) comprising: a pump (9), and a calibration bottle (18), a protective enclosure (25), the spectroscopy module (2) and the auxiliary module (3) being arranged within the protective enclosure (25), the protective enclosure (25) being configured to isolate the spectroscopy module (2) and the auxiliary module (3) from an environment external to the protective enclosure (25), wherein one of the spectroscopy module (2) and the auxiliary module (3) is configured to attenuate the transmission of vibrations from the auxiliary module (3) to the spectroscopy module (2). Abstract figure: Fig. 1

Claims

c. transmission (107) of the representative measurement of a concentration to an acquisition system, and d. purging of the measuring cavity using inerting gas, the purging being carried out after the acquisition.

14. An analytical method according to claim 13, comprising, prior to shipment, a calibration (200) of the infrared spectrometer comprising the steps of: i. routing (101) of a calibration stream from the calibration bottle (18) into the measurement cavity of the infrared spectrometer, ii. acquisition (102), by the infrared spectrometer, of a calibration measurement representative of a gas concentration in the calibration stream, iii. verification (103) of an infrared spectrometer setting parameter from the calibration measurement, and iv. adjustment (104) of the setting parameter based on the verification.

15. Kit for manufacturing an analytical device according to any one of claims 1 to 12, comprising the spectroscopy module (2), the auxiliary module (3) and the protective enclosure (25). [Fig. 1] [Fig. 3]