Method for determining a low cylinder pressure condition for...

Details Method for determining a low cylinder pressure condition for... Method for determining a low cylinder pressure condition for...

G - Physics

01

N

G01N 30/32 (2006.01) G01N 30/02 (2006.01)

Patent

CA 2680961

A method for determining a low cylinder pressure condition of a gas chromatograph includes providing gas from the cylinder to an inlet of the gas chromatograph. In particular, the gas is provided at a predetermined inlet pressure that is higher than an inlet pressure that is required for a predetermined gas chromatographic analysis routine. The inlet pressure of the gas being supplied to the inlet is increased, in order to attempt to achieve a predetermined check value. It is then determined if the inlet pressure actually increases to at least the predetermined check value. If it is determined that the inlet pressure of the gas does not increase to at least the predetermined check value, then an indication of a low cylinder pressure condition is provided.

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