Lamotte 2020i Turbidimeter User Manual

2020e • Code 1979-EPA2020i • Code 1979-ISOVersion 1.5 • Code 1979-MN • 12-07e/i

SELECTING A TURBIDITY CALIBRATION CURVE1. Press ON to turn the meter on.1.32. Scroll down and then press *IOK toselect Options.Main MenuMeasureData Lo

The Japan Standard calibration mode should be used only with JapanesePolystyrene Standards (0–100 NTU).Note: StablCal®standards below 50 NTU should no

4. Scroll down and then press *IOK toselect an averaging option.Available options are:Disabled, 2 Measurements,5 Measurements,10 Measurements.Note: Th

4. Press *IOK to select Set Date orscroll down and then press *IOK toselect Set Time or Date Format.Date/Time*Set DateSet TimeDate Format16:02:19 01/0

SELECTING A LANGUAGEThe default setting is English. To change the setting:1. Press ON to turn the meter on.1.32. Scroll down and then press *IOKto sel

SETTING AUTO SHUTDOWNThe power saving Auto Shutdown feature will turn the meter off when a button has notbeen pushed for a set amount of time. The def

DATA LOGGINGThe default setting for the data logger is start (on). The meter will log the last 4004data points.1. Press ON to turn the meter on.1.32.

Data LoggingView*StartErase16:02:19 01/04/05Or scroll down and press *IOK toselect Erase to empty all loggeddata points from the memory.Data LoggingVi

TUBE POSITIONING RINGThe Tube Positioning RingTo put a ring on a tube, remove the cap from the tube.The tube positioning ring has two tapered notches

ANALYSIS1. Press *ION to turn the meter on.1.32. Press *IOK to select Measure. Main Menu* MeasureData LoggingOptions16:02:19 01/04/053. Rinse a clean

6. Open the meter lid. Insert the tubeinto the chamber. Align the indexnotch on the positioning ring withthe index arrow on the meter. Closethe lid.7.

10. Cap the tube. Wipe the tubethoroughly again with a lint-freecloth.11. Open the meter lid. Insert the tubeinto the chamber. Align the indexnotch on

Dilution ProceduresIf a sample is encountered that is more than 4000 NTU, a careful dilution with 0 NTUor very low turbidity water will bring the samp

2. Pour approximately 50 mL of deionized water into thebarrel of the syringe. Insert the plunger. Exert pressureon the plunger to slowly force the wat

Turbidity StandardsOnly use AMCO or formazin standards with the 2020. StablCalâ standards below 50NTU should not be used to calibrate the 2020. The di

4. Fill the tube to the fill line with theblank. Pour the blank down theinside of the tube to avoid creatingbubbles. Cap the tube.5. Dry the tube with

8. Rinse a clean tube (0290), or thesame tube, three times with thestandard. Avoid spilling standard onthe outside of the tube.IMPORTANT: Whilethetube

12. Press *IOK to select Scan Sample. Turbidity (F)* Scan Sample16:02:19 01/04/0513. Observe the result. Turbidity (F)0.54 NTU* Scan Sample q16:02:19

Calibrate00.50q , Q , p16:02:19 01/04/0516. When the value on the displaymatches the concentration of theturbidity standard, press the *IOKto select S

Testing Tips1. Samples should be collected in a clean glass or polyethylene container.2. Samples should be analyzed as soon as possible after collecti

WARNING! This set contains chemicalsthat may be harmful if misused. Readcautions on individual containerscarefully. Not to be used by childrenexcept u

TROUBLESHOOTING GUIDEError MessagesErr1 Very Low battery. Replace battery or switch to AC power. Press backarrow () to back out. Scan sample again. R

Meter freezes Lid was opened whenreading was being taken.Close lid. Read again.Unplug adapter. Plugadapter in to reset.Stray LightThe accuracy of read

32 GENERAL OPERATING INFORMATIONTopViewBottomViewSerialNumberBatteryCompartmentONOFFOKLMott2020

General Operating InformationThe operation of the 2020 is controlled by the menu driven software and userinterface. A menu is a list of choices. This

The Display & MenusThe display allows menu selections to be viewed and selected. These selections instructthe 2020 to perform specific tasks. The

Header Menu TitleMessage or ResultWindowMessageor ResultMenu Selection Window * First Choice~Footer 16:02:19 01/04/05Second ChoiceanotherandsoonAs de

TubesThe 2020 uses one type of tube (Code 0290) for the turbidity test. There is no needfor a special turbidity tube.The handling of the tubes is of u

PC LINKThe 2020 may be interfaced with any Windows-based computer by using the LaMotteSMARTLink 2 Program and Interface Cable (Code 1912-3 with 3.5 in

MAINTENANCECleaningClean meter with a damp, lint-free cloth.DO NOT ALLOW WATER TO ENTER THE METER CHAMBER OR ANY OTHER PARTSOF THE METER.Clean meter c

GENERAL INFORMATIONPackaging and DeliveryExperienced packaging personnel at LaMotte Company assure adequate protectionagainst normal hazards encounter

CONTENTSIntroduction...6Turbidity ...6WhatisTurbidity?...6HowisTurbi

Specifications - 2020e and 2020iInstrument Type: NephelometerStandard: EPA 180.1, 2020eISO7027, 2020iUnits of Measure& Range:NTU (Nephelometric Tu

Statistical and Technical Definitions Related to Product SpecificationsMethod Detection Limit (MDL): “The method detection limit (MDL) is defined as t

Contents and Accessories2020e KitEPA VersionCode 1979-EPA2020i KitISO VersionCode 1979-ISOCONTENTS Code Code0 NTU Standard, 60 mL 1480 14801 NTU Stand

LaMotte Company • PO Box 329 • 802 Washington AvenueChestertown • Maryland • 21620 • USAUSA 800-344-3100 • 410-778-3100 • fax 410-778-6394 • www.lamot

Computer Connection ...37BatteryOperation ...37ReplacingtheBattery...37Mainten

INTRODUCTIONTURBIDITYWhat is Turbidity?Turbidity is an aggregate property of the solution, water in most cases. Turbidity is notspecific to the types

compared with the intensity passing through a turbidity-free sample at 180° from thelight source. This method is good for highly turbid samples. The m

All dilutions are based on a final volume of 10 mL so several dilutions will requiresmall volumes of the water sample. Graduated pipets should be used

2. Scroll down and then press *IOKto select Options.Main MenuMeasureData Logging* Options16:02:19 01/04/053. Scroll down and then press *IOKto select