YOKOGAWA UV700G, User Manual

Page: 71 / 131

<6. Functions>
6-14
IM 12K01B02-01E
CAUTION
Enter the turbidity correction factor “a” when the sample water contains much turbidity to cause a
poor correlation between the UV value and COD value by manual analysis.
6.5.5 Setting of COD Conversion Factor and Turbidity
Correction Factor
MEAS.
screen
MAINTENANCE
screen
[MAINT.]
[MEAS.SETTING]
Refer to “6.5 Setting Screen Display for each Measuring Component”
COD MEAS. SETTING screen
TURB MEAS. SETTING screen
MEAS. SETTING
screen
[COD][TURB]
Here describes how to set the COD conversion factor from UV-αVIS and Turbidity correction
factor.
Refer to “How to Calculate the COD Conversion Factor”
1. Press the button for y = a + bx on the COD or TURB MEAS. SETTING screen.
The CORRECTION FACTOR screen appears.
The screen shows an example for COD.
[a=x.xx b=x.xxx]
Correction factor of
a, b for each (1) to (5)
on the avobe screen
cab be set.
2. Press [a=x.x].
The CORRECTION FACTOR (a) for COD or TURB screen appears.
NOTE
[CLEAR]: Clears all input numeric values.
[BACK]: Clears the rightmost number.