LaMotte SMART 2 - Manual (Page 215)

PROCEDURE
1. Use Indicator, Range, & Test Name chart to select the indicator,
corresponding to anticipated pH range and to determine corresponding
test name to select from colorimeter menu.
2. Press and hold ON button until colorimeter turns on.
3. Press ENTER to start.
4. Press ENTER to select TESTING MENU.
5. Select ALL TESTS (or another sequence containing the appropriate pH
test name) from TESTING MENU.
6. Scroll to and select the appropriate pH test name from menu.
7. Rinse a clean tube (0290) with sample water. Fill to the 10 mL line with
sample.
8. Insert tube into chamber, close lid and select SCAN BLANK.
9. Remove tube from colorimeter. Use the 0.5 mL pipet (0369) to add
exactly 0.5 mL of the pH indicator for the chosen range. Cap and mix.
10. Insert tube into chamber, close lid and select SCAN SAMPLE. Record
result.
11. Press
OFF button to turn colorimeter off or press EXIT button to exit to a
previous menu or make another menu selection.
Smart2 TEST PROCEDURES 2.04 pH 3/3