Patent ID: 9347875
Filing Date: 2016-05-24
CPC Classification: G01N

Claim Text:
1. An exhaust gas analyzing system comprising: a gas analyzer that analyzes a measuring target component contained in sample gas; a span gas flow path that is configured to be able to introduce span gas from a span gas supply source into the gas analyzer, and provided with an open-close device; a span gas supply line that connects the span gas supply source and the span gas flow path; a zero gas flow path that is configured to be able to introduce zero gas from a zero gas supply source into the gas analyzer, and provided with an open-close device; an open-close device control part that receives a calibration start signal issuing an instruction to start zero calibration and span calibration, and controls the open-close device for the span gas flow path and the open-close device for the zero gas flow path, and an information processor unit having a CPU, a memory, and a valve control signal output cooperating with the open-close device control part, the information processor unit storing a program operated on the CPU wherein;