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Hach DR 5000 user manual Deuterium lamp UV replacement, 123

Models: DR 5000

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Maintenance

12.Switch the instrument on.

13.Reset the Lamp History, see section 6.8.5 on page 115.

7.2.2Deuterium lamp (UV) replacement

1.Switch the instrument off.

2.Unplug the power cord.

DANGER

The instrument must remain switched off until the change of lamp has been completed.

WARNING

Burn Hazard. Wait until the lamp cools down. Contact with the hot lamp can cause burns.

3.Use a screwdriver to remove the cover from the back of the instrument (the screws may be slotted or cross-headed).

4.Place the cover and the attached fan carefully beside the instrument (take special care with the fan cable).

5.Unplug the deuterium lamp (Figure 8 on page 124, item 4) from the socket by pushing down on the safety contact.

6.Use a screwdriver to unscrew the two fastening screws

(Figure 8, item 3) (the screws may be slotted or cross-headed) out of the socket.

7.Holding the lamp socket, lift the deuterium lamp up out of the lamp compartment (remove the complete unit, including the cable).

8.Carefully insert the new deuterium lamp into the lamp compartment.

Important Note: Do not touch the glass envelope on the new lamp.

If it is touched, clean with alcohol.

9.Screw in both fastening screws again until they are finger-tight.

10.Insert the deuterium lamp in the socket so that the safety contact clicks into place.

11.Use a screwdriver to screw the back cover onto the instrument again.

12.Plug in power supply again.

13.Switch the instrument on.

14.Reset the Lamp History, see section 6.8.5 on page 115.

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Hach DR 5000 user manual Deuterium lamp UV replacement, 123

Contents

January 2008, Edition Page Table of Contents Table of Contents 101 Table of Contents Section Specifications Specifications Use of hazard information Safety informationPrecautionary labels General InformationChemical and Biological Safety Source Lamp SafetyGeneral Information Class 1 Laser General Information Overview of productGeneral Information Section Installation Unpack the instrumentOperating environment Connection InstallationCell compartment Multi Cell Holder Top and Bottom 1 100 mm adapter optionalInstallation Multi Cell Holder Installation Installation Multi Cell HolderBeam path Beam pathLanguage selection Power the instrument on and offChanging the language setting Start UpStart Up Use of the alphanumeric keypad Standard OperationsOverview Tips for the use of the touch screenMain Menu options Standard Operations Main MenuInstrument Setup mode Standard OperationsOperator ID Standard Operations Sample ID Display and sound preferences Date and timeVIS-Lamp and UV-Lamp Lamp ControlEffect caused by the lamp settings on the Measuring Mode Standard Operations Keyboard Printer setupUSB connector Standard Operations PC and printerPrinter Setup Hach Data Trans Print dataPassword Password deactivation Standard Operations Recall stored data from the data log Store, recall, send and delete dataData Log Auto/manual data storageTo send measurement data to a PC Send data from the data logDelete stored data from the data log Data storage from wavelength scan or time course Recall stored data from wavelength scan or time courseSelect Wavelength Scan or Time Course to recall data Send data from wavelength scan or time course Option Press Wavelength Scan or Time Course and then Delete stored data from wavelength scan or time course Stored programs options Stored ProgramsSelect a saved test/method enter user-specific basic data Stored program optionsOptions Description Store Off/On Timer iconReading Mode Standard AdjustSet the reading mode Standard Operations Use of program timersPress OptionsMore…Dilution Factor Set the dilution factorTake single wavelength measurements single reading Take single wavelength measurements continuous readingsRun a standard adjust Press OptionsMoreChemical Form Change of the default setting of the chemical formPress Save as Default Set the chemical formStandard Operations Run a reagent blank Measurement/analysis of a reagent blankPress OptionsMoreReagent Blank Add stored programs to the favorite programs list Standard Operations Analysis of samplesCell compartment #1 Barcode ProgramsSelect the chemical evaluation form Changing the standard settingStandard Operations Complete a barcode 13 mm test/vial Select the measuring rangeBarcode program options Basic test-specific and sample-specific data settingsSample blank Options Description Send Data iconEdit Enter the Name Update/edit barcode testsManual update of a barcode test Program update optionsEnter the Measurement Process Enter the VersionTimer 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 dataProgram a new test Upgrade of the instrument softwarePress OK to return to the System Checks menu Standard Operations Advanced Operations User ProgramsProgram a user method Program Type Advanced OperationsProgram Number Program NameWavelength single wavelength program type Single wavelength settingsConcentration resolution number of decimal places UnitsMulti 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 / TimerAdvanced 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 / ZeroingKey / Reading Process Timer keyEnter calibration formula C1 Enter the calibration formula evaluation formulaDelete an element of a measuring sequence Insert an element of a measuring sequenceEdit formula key descriptions Screen Key DescriptionNew Number C2 On Enter the next calibration formula C2 or CnEnter 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 programAdd 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 solutionPress OptionsMoreStandard Addition Peak volume/sample volume methodsDescription of the table of readings Advanced Operations Set up single wavelength mode Single wavelength setup optionsProgram Concentration resolution Concentration factorOptions Description Reading mode Take single wavelength measurements single readingTake single wavelength measurements continuous readings Multi-wavelength setup options Set the reading mode at different wavelengthsAbsorbance formula Press Absorbance Formula Concentration factor For data storage, see .3.1.1 on Wavelength scan setup options Set up the wavelength scanSetting wavelength Option DescriptionScale & Units Cursor mode Select view displaying tableIntegral Scale & units Press Scale & Units Wavelength scan readingNavigating the wavelength scan Highlight Reference Advanced Operations Work with reference scans100 101 Time course setup parametersTime course setup options Time course of absorbance/transmittance102 Time course scan readingTime & interval Scale & units103 Analysis of time course dataNavigation of a time scan or a time scan analysis Navigating the time scan104 System checks Instrument information105 Advanced Operations Upgrade of the instrument software Optical checks106 107 Wavelength check108 Noise check109 110 Stray light check111 Absorbance check112 Drift checkPress Nominal Values 113 Verification kit114 Press VerificationOutput checks Lamp history115 Advanced Operations Factory service Service time116 117 Instrument Backup118 Restore backup data119 120 Display MaintenanceCleaning requirements Spectrophotometer122 Lamp replacementMaintenance Tungsten lamp replacement123 Deuterium lamp UV replacement124 Fuse replacementFilter pad maintenance Filter pad replacement125 126 Base of DR 5000 with filter grid127 Section Troubleshooting128 TroubleshootingSection Replacement Parts 129Description Cat.-No 130 Replacement Parts131 Contact Information132 Contact Information133 Limited WarrantyLimitations Limitation of Remedies134 Limited Warranty135 Index136