LaMotte DC1500 CHLORINE Manual

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LaMotte DC1500 CHLORINE Manual Manual pdf 31 page image

31TROUBLESHOOTING ERROR MESSAGESOver RangeIf the message OVERRANGE is displayed when scanning a sample, thesample may be over range or under range. If the sample is over range thesample should be diluted and tested again (see Sample Dilution Techniquesand Volumetric Measurements, page 27).If overrange is displayed, pressENTER to continue testing on dilutedsamples.Note: After pressing ENTER , theoverrange cncentration will bedisplayed. This concentration is anapproximation only.025 Chlorine T DPDOverrange continueScan BlankScan Sample12:00:00 001/500 CALIBRATIONAs with all pre-calibrated meters, it is highly recommended, even if notrequired by regulations, that the user periodically verify the performance ofthe meter by running standards with a predetermined concentration. Resultsoutside of specification are an indication that the meter needs to be adjusted.This can be done following the user calibration described on page 24. If theuser calibration fails to properly adjust the meter then the meter should bereturned to LaMotte Company for recalibration. (See page 30). STRAY LIGHTThe colorimeter should have no problems with stray light. Make sure that thesample compartment lid is always fully closed.

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