Hach Portable Spectrophotometer DR 2800 Manuel d'utilisateur

DOC022.53.00720DR 2800USER MANUALJanuary 2008, Edition 2© HACH Company, 2007–2008. All rights reserved. Printed in Germany.

10General InformationPermissible Exposure value. Therefore, for Class 1 LASERS the output power is below the level at which it is believed eye damage

100Advanced Operations6.7.3.2 Stray light checkThe Stray Light test is used to measure the stray light in the instrument at 340 nm.1. Press Stray Ligh

101Advanced Operations6.7.3.3 Absorbance checkThe Absorbance Check test is used to test the photometric accuracy and repeatability of the instrument.T

102Advanced Operations6.7.3.4 Verification kitThe Verification Kit, LZV537, (see Section 9 on page 119) is designed for periodic monitoring of scatter

103Advanced Operations7. Remove any cuvettes/cells from the cell compartment and press Start.8. Insert the different filter in the given order one aft

104Advanced Operations6.7.4 Output checksIf a printer is connected a test printing of the current screen will be printed.6.7.5 Lamp historyThe Lamp Hi

105Advanced Operations6.7.7 Service timeIn order to ensure a regular inspection, an automatic memory reference for the service times can be entered. A

106Advanced Operations6.7.8 Instrument BackupBefore the next service date the Instrument Backup menu offers the possibility to store all programs, me

107Advanced OperationsIf the file was stored the message Instrument Backup is stored to USB stick will be displayed.4. Press OK to return to the Syste

108Advanced Operations4. Press OK to confirm after the message “Instrument Backup from S/N XXXXXXX. Restore?“ is displayed.5. After the backup start t

109Section 7 MaintenanceCAUTIONPotential Chemical, Biological Eye and Skin Hazards.Only qualified personnel should conduct the tasks described in this

11Section 3 InstallationWARNINGElectrical and Fire Hazards. Use only the provided power supply. Only qualified personnel should conduct the tasks desc

110Maintenance7.2 Insert or change of the battery1. Remove the cuvette from the cell compartment.2. Switch the instrument off.3. Unplug the power cord

111Maintenance8. Push in the battery so that the contacts of the instrument can be plugged into the socket of the battery. Important Note: Take care t

112Maintenance• The performance of the battery decreases with the temperature.7.2.1.2 Optimal operation of the batteryThe battery is charged automatic

113Maintenance7.3 Lamp replacementCAUTIONTo avoid a possible electric shock, disconnect the instrument from the power source before servicing the lamp

114MaintenanceWARNINGBurn Hazard. Wait until the lamp cools down. Contact with the hot lamp can cause burns.9. Lift the lamp fitting carefully.10. Put

115Maintenance13. Carefully unplug the halogen lamp from the plug panel.Important Note: Hold the lamp by the fitting only. Avoid touching the glass, a

116Maintenance

117Section 8 TroubleshootingProblem/Display screen Likely Cause ActionAttention!Please insert the light shield.Measurements with barcode cuvettes gene

118Troubleshooting

119Section 9 Replacement PartsDescription Cat. No.Rechargeable lithium battery LZV551Tungsten Lamp LZV565Cuvette/ Sample cell adapter 10 mm (A) LZV583

12Installation3.3 Power connectionsInstall the correct adapter plug on the supplied external power supply (Figure 1) by sliding the adapter on until i

120Replacement Parts

121Section 10 Contact InformationHACH CompanyWorld HeadquartersP.O. Box 389Loveland, Colorado80539-0389 U.S.A.Tel (800) 227-HACH(800) -227-4224(U.S.A.

122Contact Information

123Section 11 Limited WarrantyHach Company warrants its products to the original purchaser against any defects that are due to faulty material or work

124Limited Warranty

125IndexAAbsorbance Check ... 101Absorbance Formula ... 90, 91Alp

126VVariables ...55, 57, 78Verification Kit ...

13Installation3.4 ConnectionThe DR 2800 has two USB interfaces as a standard feature, located on the back of the instrument (Figure 2). The USB Type A

14Installation3.5 Cell compartments, Cell adapters, Light Shield and Protective Cover 3.5.1 Cell compartments and adaptersThe DR 2800 has two cell com

15Installation3.5.2 Installation of the cuvette/sample cell adapters1. Open the cell compartment.2. Select the correct adapter for the cuvette/sample

16Installation3.5.3 Use of the light shield for measurementsThe light shield (Figure 6 on page 17) prevents light interference when using 13 mm and 16

17InstallationThe DR 2800 is shipped with the light shield installed. Remove the light shield before using cell compartment #2. The light shield can b

18Installation3.5.4 Protective CoverFigure 8 Protective Cover1 Protective Cover 3 Protective Cover with inserted cuvette/sample cell adapter A in pos

19Installation3.6 Mobile use of the DR 2800 for field analysisIf the DR 2800 spectrophotometer is used to carry out field analyzes, it may be necessar

2

20Installation3.6.1 Position the Protective Cover1. After you have inserted the zero solution cell or the sample cell, position the Protective Cover o

21Installation3.7 Beam pathFigure 10 shows the beam path of the DR 2800:Figure 10 Beam path1 Tungsten lamp 8 Splitter mirror2 Entrance slit 9 Referen

22Installation

23Section 4 Start Up4.1 Power the instrument on and off1. Plug in to the power supply (laboratory analysis) or insert the battery (field analysis).2.

24Start UpIf the instrument detects any deviation relative to the last calibration, a system check has to be carried out.4. Remove the cuvette from th

25Section 5 Standard Operations5.1 Overview5.1.1 Tips for the use of the touch screenThe entire screen is touch-activated. To make a selection, press

26Standard Operations5.1.3 Main MenuA variety of modes may be selected from the ”Main Menu“. The following table briefly describes each menu option.Ta

27Standard Operations5.2 Instrument Setup mode1. Select Instrument Setup in the ”Main Menu“.A selection of functions appears in order to configure the

28Standard Operations5.2.2 Sample IDUse this option to enter up to 100 Sample Identification tags (up to 13 characters each) into the instrument. Samp

29Standard Operations5.2.3 Date and time1. Press Date & Time in the Instrument Setup.2. The date and time are subdivided over a number of fields.

3Table of ContentsSection 1 Specifications ...

30Standard Operations2. Select one of the options under Standby mode to set the length of the idle period that can elapse before the instrument switch

31Standard Operations5.2.6 PC and printerThe instrument is provided with 2 USB interfaces, which are located on the back of the instrument (see Figure

32Standard OperationsPrinter Setup:• Resolution: Print quality• Paper: Paper sizeNote: If an optional Thermal Printer is connected, the function "

33Standard Operations7. Press Paper to select the paper size.Select between• Letter• Legal• Executive• A48. Press OK to confirm.Note: Press OK again t

34Standard Operations4. Select Auto-Send: On to send all measured data automatically to the PC.Note: If Auto-Send: Off is selected, the PC & Print

35Standard Operations4. Press Security List to lock various functions for unauthorized users.5. Highlight the desired functions to control.6. Confirm

36Standard Operations3. Press Off to deactivate the settings of the Security List.4. Press OK to return to Instrument Setup.Note: Use this function to

37Standard Operations5.3 Store, recall, send and delete data 5.3.1 The data logThe Data Log will store up to 500 readings taken in the modes: Stored P

38Standard Operations4. The function Filter Settings is used to search for specific items.5. Highlight On to turn on the filters to select data by• Sa

39Standard Operations5.3.1.4 Delete stored data from the data log1. Press Recall Data in the Main Menu.2. Press Data Log>Options>Delete.3. Highl

4Table of Contents5.3 Store, recall, send and delete data ...

40Standard Operations5.3.2 Time CourseThe instrument can store 20 Time Course Data sets. The data can be stored manually at the user's discretion

41Standard Operations2. Press Graph to look at details.Note: Press View Summary to return to the Recall Data list.3. Press Table to look at details.No

42Standard OperationsOption 2:5. Press Time Course and then Options, More... and Send Data to send the data to a USB memory stick or to a printer.The

43Standard Operations5.4 Stored ProgramsThe instrument contains more than 200 programmed procedures. They can be accessed through the Stored Programs

44Standard OperationsStore Off/OnWith the Store On setting, all measurement data are stored automatically. With the Store Off setting, no measurement

45Standard Operations5.4.3 Use of program timersSome procedures do not require the use of timers. Other procedures require several timers. These timer

46Standard Operations5.4.4 Set the dilution factorThe Dilution Factor function is used to calculate the original concentration of a sample that has be

47Standard OperationsRead a standard before setting Standard Adjust to On.1. Follow the entire procedure, using a known standard for the sample.2. Aft

48Standard Operations1. Press Options>More>Chemical Form.2. Select the Chemical Form.Note: The stoichiometric conversion of the measurement resu

49Standard Operations4. Press Options>More>Reagent Blank.5. Press On to highlight the Reagent Blank function.6. The concentration shown on the k

5Table of Contents6.2 Favorite Programs ...

50Standard Operations4. Remove zero solution and insert sample cuvette/cell into the cell compartment. 5. Press Read. The result will be displayed.6.

51Standard Operations5.5 Barcode ProgramsA special barcode reader in cell compartment #1 automatically reads the barcode on the 13 mm cuvette/vial as

52Standard Operations• Otherwise, press Barcode Programs in the Main Menu. and insert the blank or sample cuvette/vial (depending on the working proce

53Standard Operations5.5.3.1 Change of the default setting of the chemical form1. Insert the blank or sample cuvette/cell (depending on the working pr

54Standard Operations5.5.5 Sample blankTurbidity and color in the sample matrix can falsify the results of a photometric analysis. The interference fa

55Standard Operations5.5.6 Update/edit barcode tests5.5.6.1 Manual update of a barcode testUsing the data provided in the barcode, the instrument auto

56Standard OperationsEnter the Version1. Highlight the line containing Version and press Edit. Use the alphanumeric keypad to enter the name indicated

57Standard OperationsEnter the Variables (Factors, Wavelength and Coversion Factors)For detailed information on entering the Variables, see section 6.

58Standard Operations5.5.6.2 Update an existing barcode testNote: Only in very few cases does the revision of a test require all test specifications t

59Standard Operations5.5.6.3 Program a new test1. The instrument needs to be at the Main Menu or press Barcode Programs in the Main Menu.2. Insert the

6Table of Contents

60Standard Operations6. Press OK to return to the System Checks menu.Note: When the instrument software has been updated, a prompt to restart the inst

61Section 6 Advanced Operations6.1 User ProgramsUser programs provide the opportunity to complete "made to measure" analysis.The User Progra

62Advanced OperationsProgram Number: Specific test number, with which the program can subsequently be called up from the selection list in the User Pr

63Advanced Operations6.1.1.1 Single wavelength settingsIf the Single Wavelength mode is selected, the following parameters can be defined: Units: Sele

64Advanced OperationsChemical form:Enter the chemical formula used in the display to represent the analysis parameter.Use the alphanumeric keypad to e

65Advanced OperationsList of available absorbance formulasA1 is the absorbance at wavelength 1, A2 is the absorbance at wavelength 2 and so on K1 is t

66Advanced OperationsChemical form:Enter the chemical formula used in the display to represent the analysis parameter.Use the alphanumeric keypad to e

67Advanced Operations2. To enter the standard concentrations and corresponding absorbance values in the displayed table, press the "+" symbo

68Advanced OperationsCalibration by reading standards1. Press Read Standards and press Next.2. To enter the standard concentrations in the displayed t

69Advanced Operations9. Press Force 0 to change the setting from Off to On. The curve then passes through the origin of the coordinate system.Note: Th

7Section 1 SpecificationsSpecifications are subject to change without notice.Performance SpecificationsOperating Mode Transmittance (%), Absorbance an

70Advanced Operations6.1.1.4 Store a user programThe input of the basic data is complete. An overview of the variable program data is displayed.1. To

71Advanced OperationsTimer 1 / Timer 2 / Timer 3 / Timer 4:This function can define time intervals for up to four timers. Timer designations such as S

72Advanced Operations6.1.2 Free programming program typeFree Programming is an advanced option for entering original user-developed methods. When the

73Advanced Operations• Should individual program sequences be repeated?The elements of a measuring sequence, such as zero and sample measurements and

74Advanced OperationsProcess Timer key1. Press the Process Timer key to enter any waiting, reaction or handling times that have to be taken into accou

75Advanced OperationsDeleting an element of a measuring sequenceSelect the appropriate line and press Delete. The element is deleted.Inserting an elem

76Advanced OperationsRefer to Table 11 for detailed information on the Editformula keys.Note: The evaluation formula is built up successively in the d

77Advanced OperationsEnter the next calibration formula (C2 or Cn)1. Highlight C2: Off and press Edit.2. Select C2: Off again and press Edit. The disp

78Advanced OperationsSelect Conc. key If an already defined formula, in this case C1, is to be taken into account in the formula for C2, press Select

79Advanced Operations6.1.3 Select a user program1. Press User Programs in the Main Menu to view an alphabetical list of user programs with program num

8Specifications

80Advanced Operations6.1.4.1 Add to Favorites1. Press Add to Favorites and press OK to confirm.The program is added to the Favorites.6.1.4.2 Edit1. Pr

81Advanced Operations6.2 Favorite ProgramsThe most frequently used tests/methods in the Stored Programs menu and the User Programs menu can also be ad

82Advanced Operations6.3 Standard Addition – monitoring/checking resultsThe accuracy of measured values (their correspondence with the actual concentr

83Advanced Operationse. Does the test require the sample to be at a certain temperature?f. Was the pH of the sample in the correct range?g. Is the pip

84Advanced OperationsPeak volume/sample volume methods1. Select Stored Programs in the main menu. Select the required program.2. Press Start.3. Analyz

85Advanced Operations6. Press the key of the value to change it. Use the alphanumeric keypad to change the value. Press OK to confirm.7. Press the key

86Advanced Operations11. After all the standard addition solutions have been measured, press Graph.The regression line through the standard addition d

87Advanced Operations6.4 Single Wavelength (absorbance, concentration and transmittance measurements)The Single Wavelength mode can be used in three w

88Advanced OperationsConcentration factor:1. Press Concentration Factor: Off in the Options menu. Press On to highlight this feature.2. Press the ”Fac

89Advanced Operations6.4.2 Take single wavelength measurements1. Insert the blank cuvette/cell into the cuvette/sample cell holder. Press Zero.Note: T

9Section 2 General Information2.1 Safety informationPlease read this entire manual before unpacking, setting up or operating this equipment. Pay atten

90Advanced Operations6.5 Multi-Wavelength mode – measurements at more than one wavelengthIn the multi-wavelength mode, absorbance values can be measur

91Advanced Operationsλ / Absorbance formula:1. Press Absorbance Formula. 2. The formula selected in the top key determines the number of wavelength an

92Advanced Operations3. To change a wavelength, press one of the ”λx:“ keys. Enter the desired wavelength coefficient into the numeric keypad.Press OK

93Advanced Operations6.5.2 Complete a measurement in the multi wavelength mode1. Insert the blank cuvette/cell into the cuvette/sample cell holder. Pr

94Advanced Operations6.6 Time course of absorbance/transmittanceThe Time Course Mode is used to collect data in either absorbance or transmittance for

95Advanced OperationsTime & interval:1. Press Time & Interval in the Options menu.2. Input the total time and the reading time and press OK to

96Advanced Operations• Select Mark to mark the next data point collected. This mark is not used by the instrument, but is available for the user and m

97Advanced Operations6.6.3.1 Navigation of a time scan or a time scan analysisAfter a time scan has been completed, the time and the absorbance/transm

98Advanced Operations6.7.1 Instrument information1. Press Instrument Information in the System Checks menu.2. The model, serial number and software ve

99Advanced Operations6.7.3 Optical checksFor each optical check, the measured results must be evaluated against user-specific requirements. The check