LaMotte COD Plus Colorimeter 1922-EX2 User Manual
Page 88
PROCEDURE
1.
Press and hold
ON
button until colorimeter turns on.
2.
Press
ENTER
to start.
3.
Press
ENTER
to select TESTING MENU.
4.
Select ALL TESTS (or another sequence containing 13 DO) from
TESTING MENU
.
5.
Scroll to and select 13 DO from menu.
6.
Rinse a clean tube (0290) with untreated sample water. Fill to the 10 mL
line with sample. This tube is the BLANK.
7.
Insert tube into chamber, close lid and select SCAN BLANK.
8.
Fill a second tube (0290) to the 10 line with the treated “Fixed” sample.
This tube is the SAMPLE.
9.
Remove BLANK from colorimeter, insert SAMPLE tube into chamber,
close lid and select SCAN SAMPLE. Record result.
10. Press
OFF button to turn colorimeter off or press EXIT button to exit to a
previous menu or make another menu selection.
COD PLUS TEST PROCEDURES 6/02
DISSOLVED OXYGEN 3/3