1.20 Response time
1.20.1
When testing, the time required for a gas analytical system to be able to perform measurements with a given accuracy (R 144-1, 4.3.1) is determined when at the input of a sampling device ambient air is replaced with a sample containing the components to be determined. Some means shall be applied to perform such replacement. The gases shall be supplied to the sampling device at the ambient pressure (). Check that the response time does not exceed the appropriate values specified in R 144-1, 4.6.
1.20.2
During the test, measurements shall be performed using the CGM with the volume fraction of components to be determined equal to 90 % of the maximum value of the measuring range and sub-range (see R 144-1, 4.6).