X84; Calibration; X84; Stray Light; X84; Troubleshooting Guide - LaMotte DC1500 Mode D'emploi

If overrange is displayed, scroll to Calibrate and
press to view the result. The concentration is
ENTER
only an approximation. Press
testing.
Note: If is not pressed the meter will
EXIT
calibrate on the over range result.
Note: Over range results will also be displayed in the
test log.

„ CALIBRATION

As with all pre-calibrated meters, it is highly recommended, even if not required by regulations,
that the user periodically verify the performance of the meter by running standards with a
predetermined concentration. Results outside of specification are an indication that the meter
needs to be adjusted. This can be done following the Calibration procedure.

„ STRAY LIGHT

The colorimeter should have no problems with stray light. Make sure that the sample
compartment lid is always fully closed.

„ TROUBLESHOOTING GUIDE

PROBLEM
Flashing
"Low Battery"
"Shut Down Low Batt" Shut
Down
"Overrange"
Unusually large negative
or positive readings when
performing calibration
and continue
EXIT
REASON
Low battery. Readings are reliable.
Battery voltage is very low.
Readings are not reliable.
Battery is too low to operate the
unit.
Sample is outside of acceptable
range.
Incorrect standards used to
calibrate meter.
20
001 ALKALINITY T
Overrange
Scan Blank
Scan Sample
4:18:33a 9/500
SOLUTION
Charge battery or use USB wall/
computer adapter.
Charge battery or use USB wall/
computer adapter.
Charge battery or use USB wall/
computer adapter.
Dilute sample and test again.
Use fresh 0.0 standard in clean
tube. Reset meter to factory
default settings. Recalibrate meter.