49
※
Adjustment of the NO value is just to input the value indicated on cylinder, then it will be adjusted.
When you do this process, you should be very careful and perform it in the area where it has a
good ventilation since NO gas is very toxic and dangerous.
If the NO value of the gas cylinder is 234 ppm, value of 234 ppm is gas calibration.
CO
HC
%
ppm
CO
2
O
2
%
%
Lambda
AFR
NO
X
⑦
Open the valve of the standard gas cylinder to spill the standard gas in a constant pressure.
If the measurement values are in a stable state, press both the ENTER key and MENU
key at the same time to start the gas calibration.
CO
HC
%
ppm
CO
2
O
2
%
%
Lambda
AFR
NO
X
⑧
If the gas calibration is successfully completed, the message [PASS] will be indicated on each
concerned window. If the gas calibration is successfully completed, the message [PASS] will be
indicated on each concerned window. When ENTER key is pressed, the calibrated values
indicate on each concerned window. When ENTER key is pressed one more time, this
analyzer cleans the calibration line for about 120 seconds and performs the [Zero calibration] and
returns to the standby mode.