Auto Zero Adjustment - Sanyo MCO-18AIC Service Manual

CO gas density calibration and Auto Zero adjustment
2
MCO-18AIC provides both the manual CO
Zero adjustment.
1. CO gas density calibration
2
When either the CO
calibrate CO gas density according with "CO
2
value again.

2. Auto Zero adjustment

Refer to "Auto Zero adjustment"
3. The relation the CO
The description is as follow.(Ex: CO
5
0
0
2
density SV or the display value is not match with the actual value,
2
gas density calibration with the Auto Zero adjustment
2
density = 5%)
2
Point calibrated by auto zero adjustment
gas density calibration and the automatic Auto
calibration" (Page 9) to input the actual
2
Ideal line for the set value and the actual
value.
(Note) In fact, it could not make a straight
line
sensor.
Point calibrated by CO
calibration
5
Set density(%CO )
2
27
due to the characteristics of the
gas density
2