Enter the calibration formula evaluation formula | Hach DR 2800

Advanced Operations

Deleting an element of a measuring sequence

Select the appropriate line and press Delete. The element is deleted.

Inserting an element of a measuring sequence

Select the line in the measuring sequence where the insertion is be made and press New.

A new element can be entered at the selected position.

When the input is complete, press OK in the "Measurement Process" display. The data overview is then displayed.

6.1.2.3 Enter the calibration formula (evaluation formula)

The calibration formula (evaluation formula) defines the calculation and display of intermediate and final results. The previously defined elements of the measuring sequence are the basis for calculating the concentrations.

Enter calibration formula C1

1.Highlight the Formula line in the data overview and press Edit.

2.Highlight the line C1: Off and press Edit.

3.Select C1: Off again and press Edit. The display changes to

C1: On.

4.Highlight the next line C1 = to define the formula and press Edit.

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Hach DR 2800 Enter the calibration formula evaluation formula, Deleting an element of a measuring sequence, C1 On

Contents

January 2008, Edition Page Table of Contents Table of Contents 100 Table of Contents Section Specifications Specifications Use of hazard information Safety informationPrecautionary labels General Information Chemical and Biological Safety Overview of productGeneral Information Section Installation Unpack the instrumentOperating environment UK adapter plug AUS/China adapter plug Power connectionsInstallation USA adapter plug Interfaces Connection Cell compartments and adapters Cell compartment #1Cell compartment #2 Cuvette/Sample cell adapters Installation of the cuvette/sample cell adapters Use of the light shield for measurements Installation of a cuvette/sample cell adapter Light Shield Installation of the light shield Installation Protective Cover Mobile use of the DR 2800 for field analysis Installation Position the Protective Cover Shows the beam path of the DR Beam path Installation Language selection Power the instrument on and offChange the language setting Start Up Start Up Use of the alphanumeric keypad Standard OperationsOverview Tips for the use of the touch screen Main Menu Options DR Standard Operations Main Menu Instrument Setup mode Standard OperationsOperator ID Standard Operations Sample ID Power Management Standard Operations Date and timeDisplay and sound preferences Standard Operations Printer setup USB connectorStandard Operations PC and printer Printer Setup Hach Data Trans Print data Password Password deactivation Standard Operations Recall stored data from the data log Store, recall, send and delete dataData log Auto/manual data storage To send measurement data to a PC Send data from the data log Delete stored data from the data log Standard Operations Time Course Data Storage from Time CourseRecall Stored Data from Time Course Option Send Data from Time Course Delete Stored Data from Time Course Stored programs options Stored ProgramsSelect a saved test/method enter user-specific basic data Stored program options Trans/Conc/Abs Timer iconStandard Adjust Options Description Store Off/On Standard Operations Use of program timers Run a standard adjust Standard Operations Set the dilution factorPress OptionsMore…Dilution Factor Set the chemical form Press OptionsMoreChemical Form Change of the default setting of the chemical formPress Save as Default Run a reagent blank Press OptionsMoreReagent Blank Analysis of samples Add stored programs to the favorite programs list Complete a barcode 13 mm test/vial Barcode Programs Changing the standard setting Select the measuring rangeSelect the chemical evaluation form Program Basic test-specific and sample-specific data settingsSetting of the dilution factor is turned off Barcode program options Options Description Save as User Program Sample blank Enter the Name Standard Operations Update/edit barcode testsManual update of a barcode test Program update options Enter the Measurement Process Enter the Version Timer 1, Timer 2, Timer 3 and Timer Press OptionsMoreEdit Update an existing barcode testOption 1 Manual update of test data Option 2 Manual check/revision of test data Upgrade of the instrument software Software/Software Update Downloads under DownloadsProgram a new test Press OK to return to the System Checks menu Advanced Operations User ProgramsProgram a user method Program Type Advanced OperationsProgram Number Program Name Wavelength single wavelength program type Single wavelength settingsConcentration resolution number of decimal places Units Multi wavelength settings Chemical formAbsorbance formula multi-wavelength program type List of available absorbance formulas Wavelength λxConcentration Factor Kx Calibration settings for single and multi wavelength mode Calibration settingsCalibration by entering calibration values Advanced Operations Advanced Operations Advanced Operations Store a user program Additional user-defined parameters and functionsUpper and lower limits of the measuring range Chemical form 2 / chemical form 3 / chemical form Timer 1 / Timer 2 / Timer 3 / Timer Advanced Operations Free programming program type Measurement processDefinitions of the program points Enter a new element of a measuring sequence Content and definition of the keys Key / Zeroing Key / Reading Process Timer key Enter calibration formula C1 Enter the calibration formula evaluation formulaDeleting an element of a measuring sequence Inserting an element of a measuring sequence New Number Edit formula key descriptionsScreen Key Description Abs/Variables Enter the next calibration formula C2 or Cn C2 On+- ÷x Enter variables Save a free programming user programSelect Conc. key 4 Add, edit and delete user programs from the favorites list Advanced Operations Select a user program Add to Favorites EditDelete Favorite Programs Recall a favorite programDelete a favorite program Measures to identify other interference factors Checklist Standard Addition monitoring/checking resultsMethod Complete a standard addition Peak volume Standard additionSample volume Check the standard solution Press OptionsMoreStandard Addition Peak volume/sample volume methods Description of the table of readings Advanced Operations Single wavelength setup options Set up single wavelength mode Concentration factor Concentration resolution Advanced Operations Take single wavelength measurements Multi-wavelength setup options Set the reading mode at different wavelengths Absorbance formula Press Absorbance Formula Concentration factor For data storage, see .3.1 on Time course setup parameters Time course setup optionsTime course of absorbance/transmittance Time course scan reading Time & intervalScale & units Analysis of time course data System checks Navigation of a time scan or a time scan analysisNavigating the time scan Advanced Operations Instrument information Wavelength check Advanced Operations Optical checks 100 Stray light check 101 Absorbance check 102 Verification kitPress Nominal Values Press Verification 103 104 Factory serviceAdvanced Operations Output checks Lamp history 105 Advanced Operations Service time 106 Advanced Operations Instrument Backup 107 Restore backup data 108 Display MaintenanceCleaning requirements Spectrophotometer Insert or change of the battery Maintenance110 Information about using the battery Dispose of the lithium battery111 Operating time of a fully charged battery Optimal operation of the batteryLifespan of the battery Load the battery/Operating time 113 Lamp replacement 114 115 116 117 Section Troubleshooting 118 Troubleshooting Section Replacement Parts 119Description Cat. No 120 Replacement Parts 121 Contact Information 122 Contact Information 123 Limited WarrantyLimitations Limitation of Remedies 124 Limited Warranty 125 Index 126