26
6-3. Purge
The [PURGE] mode indicates that the gas remaining in the sample-cell in NGA 6000 is being cleared
up with a clean air from the probe.
PURGE mode of NGA 6000 cleans the probe for about 120 seconds and internal sample cell for 20
seconds.
ESC
ENTER
ZERO
PURGE
MENU
①
Press
PURGE key and the following will be displayed. The probe is cleaned for
two minutes.
★
Place the employing end of probe on a clear air.
CO
HC
%
ppm
CO
2
O
2
%
%
Lambda
AFR
NO
X
②
After the probe clearance, zero calibration is automatically performed as follows for
20 seconds, and cleaning process of sample cell starts.