LaMotte SMART3 Colorimeter - Manual (Page 175)

PROCEDURE
1. Press and hold until colorimeter turns on.
2. Press ENTER to select TESTING MENU.
3. Select ALL TESTS (or another sequence containing 038 Dissolved Oxygen)
from TESTING MENU.
4. Scroll to and select 038 Dissolved Oxygen from menu.
5. Rinse a clean tube (0290) with untreated sample water. Fill to the 10 mL line
with sample. This tube is the BLANK.
6. Insert tube into chamber, close lid and select SCAN BLANK.
7. Fill a second tube (0290) to the 10 line with the treated “Fixed” sample. This
tube is the SAMPLE.
8. Remove BLANK from colorimeter, insert SAMPLE tube into chamber, close lid
and select SCAN SAMPLE. Record result.
9. Press to turn colorimeter off or press
EXIT
to exit to a previous menu or
make another menu selection.
SMART3 Test Procedures 11.10 DISSOLVED OXYGEN
Test P
rocedures