Edit formula key descriptions, Abs/Variables | Hach DR 2800 instruction

Advanced Operations

Refer to Table 11 for detailed information on the Edit formula keys.

Note: The evaluation formula is built up successively in the display in accordance with the input.

Note: The arrow key deletes the most recently entered element of the formula.

Table 11 Edit formula key descriptions

Screen	Key	Description

		Press the Abs/Variables key to select, from the
		displayed list, the required element of the defined
	Abs/Variables	measuring sequence and therefore the corresponding
		measurement wavelength, so that this can be taken into
		account in the formula.

	New Number	Press New Number to enter a new factor or constant.

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Hach DR 2800 user manual Edit formula key descriptions, Screen Key Description, Abs/Variables, New Number

Contents

January 2008, Edition Page Table of Contents Table of Contents 100 Table of Contents Section Specifications Specifications Safety information Precautionary labelsGeneral Information Use of hazard information Overview of product Chemical and Biological SafetyGeneral Information Unpack the instrument Section InstallationOperating environment Power connections InstallationUSA adapter plug UK adapter plug AUS/China adapter plug Connection Interfaces Cell compartment #1 Cell compartments and adaptersCell compartment #2 Installation of the cuvette/sample cell adapters Cuvette/Sample cell adapters Installation of a cuvette/sample cell adapter Use of the light shield for measurements Installation of the light shield Light Shield Installation Protective Cover Mobile use of the DR 2800 for field analysis Installation Position the Protective Cover Beam path Shows the beam path of the DR Installation Power the instrument on and off Change the language settingStart Up Language selection Start Up Standard Operations OverviewTips for the use of the touch screen Use of the alphanumeric keypad Standard Operations Main Menu Main Menu Options DR Standard Operations Instrument Setup modeOperator ID Standard Operations Sample ID Standard Operations Date and time Power ManagementDisplay and sound preferences Standard Operations USB connector Printer setupStandard Operations PC and printer Printer Setup Print data Hach Data Trans Password Password deactivation Standard Operations Store, recall, send and delete data Data logAuto/manual data storage Recall stored data from the data log Send data from the data log To send measurement data to a PC Delete stored data from the data log Data Storage from Time Course Standard Operations Time CourseRecall Stored Data from Time Course Send Data from Time Course Option Delete Stored Data from Time Course Stored Programs Select a saved test/method enter user-specific basic dataStored program options Stored programs options Timer icon Standard AdjustOptions Description Store Off/On Trans/Conc/Abs Standard Operations Use of program timers Standard Operations Set the dilution factor Run a standard adjustPress OptionsMore…Dilution Factor Set the chemical form Change of the default setting of the chemical form Press Save as DefaultRun a reagent blank Press OptionsMoreChemical Form Analysis of samples Press OptionsMoreReagent Blank Add stored programs to the favorite programs list Barcode Programs Complete a barcode 13 mm test/vial Select the measuring range Changing the standard settingSelect the chemical evaluation form Basic test-specific and sample-specific data settings Setting of the dilution factor is turned offBarcode program options Program Sample blank Options Description Save as User Program Standard Operations Update/edit barcode tests Manual update of a barcode testProgram update options Enter the Name Enter the Version Enter the Measurement Process Timer 1, Timer 2, Timer 3 and Timer Update an existing barcode test Option 1 Manual update of test dataOption 2 Manual check/revision of test data Press OptionsMoreEdit Software/Software Update Downloads under Downloads Upgrade of the instrument softwareProgram a new test Press OK to return to the System Checks menu User Programs Advanced OperationsProgram a user method Advanced Operations Program NumberProgram Name Program Type Single wavelength settings Concentration resolution number of decimal placesUnits Wavelength single wavelength program type Chemical form Multi wavelength settingsAbsorbance formula multi-wavelength program type Wavelength λx List of available absorbance formulasConcentration Factor Kx Calibration settings Calibration settings for single and multi wavelength modeCalibration by entering calibration values Advanced Operations Advanced Operations Advanced Operations Additional user-defined parameters and functions Store a user programUpper and lower limits of the measuring range Timer 1 / Timer 2 / Timer 3 / Timer Chemical form 2 / chemical form 3 / chemical form Measurement process Advanced Operations Free programming program typeDefinitions of the program points Content and definition of the keys Key / Zeroing Enter a new element of a measuring sequence Process Timer key Key / Reading Enter the calibration formula evaluation formula Deleting an element of a measuring sequenceInserting an element of a measuring sequence Enter calibration formula C1 Edit formula key descriptions Screen Key DescriptionAbs/Variables New Number C2 On Enter the next calibration formula C2 or Cn+- ÷x Save a free programming user program Enter variablesSelect Conc. key Advanced Operations Select a user program 4 Add, edit and delete user programs from the favorites list Edit Add to FavoritesDelete Recall a favorite program Favorite ProgramsDelete a favorite program Standard Addition monitoring/checking results Measures to identify other interference factors ChecklistMethod Peak volume Standard addition Sample volumeCheck the standard solution Complete a standard addition Peak volume/sample volume methods Press OptionsMoreStandard Addition Description of the table of readings Advanced Operations Set up single wavelength mode Single wavelength setup options Concentration resolution Concentration factor Advanced Operations Take single wavelength measurements Set the reading mode at different wavelengths Multi-wavelength setup options Absorbance formula Press Absorbance Formula Concentration factor For data storage, see .3.1 on Time course setup options Time course setup parametersTime course of absorbance/transmittance Time & interval Time course scan readingScale & units Analysis of time course data Navigation of a time scan or a time scan analysis System checksNavigating the time scan Advanced Operations Instrument information Advanced Operations Optical checks Wavelength check Stray light check 100 Absorbance check 101 Verification kit Press Nominal ValuesPress Verification 102 103 Factory service Advanced Operations Output checksLamp history 104 Advanced Operations Service time 105 Advanced Operations Instrument Backup 106 Restore backup data 107 108 Maintenance Cleaning requirementsSpectrophotometer Display Maintenance Insert or change of the battery110 Dispose of the lithium battery Information about using the battery111 Optimal operation of the battery Lifespan of the batteryLoad the battery/Operating time Operating time of a fully charged battery Lamp replacement 113 114 115 116 Section Troubleshooting 117 Troubleshooting 118 119 Section Replacement PartsDescription Cat. No Replacement Parts 120 Contact Information 121 Contact Information 122 Limited Warranty LimitationsLimitation of Remedies 123 Limited Warranty 124 Index 125 126