7
Insert the blank vial into the vial
holder and OK message will appear
after 2 seconds
H A C H - 1 5 0 0
B l a n k O K
8
Pull out the Blank vial and Insert
Sample message appears
H A C H - 1 5 0 0
I n s e r t S a m p l e
9
Insert the sample vial into the vial
holder and COD value will appear
after 2 seconds, and then
automatically save the data
H A C H - 1 5 0 0
1 0 0 1
m g / L
10
Insert other sample vial into the vial
holder, and retest COD value
H A C H - 1 5 0 0
4 8 7
﹒
1
m g / L
Note:
A.
Make sure to insert each sample vial into the vial holder in the same direction to make COD
value more consistent.
B.
Before using the User curve, please proceed with the calibration curve.
C.
Pressing Data button can show the storage data in the display.
D.
Over range error or below range error during a measurement, the concentration is too high
or too low.