28
6-4. Zero calibration
Press the PURGE key to clean the inside of NGA 6000 with a clean air before pressing the Zero
key.
ESC
ENTER
ZERO
PURGE
MENU
①
Press the ZERO key. The counter values will be decreased by 1 from 20 as shown in the
figure below during the 20-seconds process of the zero calibration.
CO
HC
%
ppm
CO
2
O
2
%
%
Lambda
AFR
NO
X
Note
Build up a habit to clean NGA 6000 with the [PURGE] function for at least 10
minutes upon completion of the daily routine operation before switching the
power off.
It maintains the accuracy of NGA 6000 and prolongs the life cycle of the
equipment.
