LaMotte COD Plus Colorimeter 1922-EX2 - Manual (Page 42)

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ENTERING A NEW CALIBRATION
To enter a new calibration two reacted standards solutions of known
concentration are required: a “low standard” and a “high standard”. These
should be ready to use.
Use the
t button to scroll to New Calibration
and press
Q/ENTER button to select.
EDIT USER TEST01
* Select Vial/WL
New Calibration
Decimal Places
Select Units
Input the concentration of the LOW STANDARD by
using the
t and s buttons to scroll the first digit of
the concentration into the first position on the
display. Press
Q/ENTER button to select that digit
(1 for this example).
LOW STANDARD
0______
* Continue
The number “0” is always the starting point for the
next digit. Continue selecting digits or a decimal
point to enter the concentration (up to seven
characters).
LOW STANDARD
10_____
* Continue
“1.5” has been entered in this example. Press
Q/ENTER button four times to input “0” as the last
four digits. Pressing
Q/ENTER after selecting the
last digit saves the concentration.
LOW STANDARD
1.50___
* Continue
Input the concentration of the HIGH STANDARD by
using the same method as for the low standard.
HIGH STANDARD
0______
* Continue
42 COD PLUS COLORIMETER 6/02