LaMotte COD Plus Colorimeter 1922-EX2 - Manual (Page 50)

MAINTENANCE
n
CLEANING
Clean with a damp, lint-free cloth.
DO NOT ALLOW WATER TO ENTER THE COLORIMETER
CHAMBER OR ANY OTHER PARTS OF THE METER.
TROUBLESHOOTING GUIDE
n
ERROR MESSAGES
n OVER RANGE
If the message OVERRANGE is displayed when scanning a sample, the sample
may be over range or under range. If the sample is over range the sample should
be diluted and tested again (see Sample Dilution Techniques and Volumetric
Measurements, p. 16).
If OVERRANGE is displayed, press the
Q/ENTER
button to continue testing on diluted samples.
015 Chlorine
OVERRANGE
* Continue
n
HELPFUL HINTS
n STRAY LIGHT
The COD PLUS Colorimeter should have no problems with stray light. Make
sure that the sample compartment lid is always fully closed, except when
testing COD with the adapter.
50 COD PLUS COLORIMETER 6/02