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Hach DR 2800 User Manual

Manual is about: Portable Spectrophotometer

Summary of DR 2800

  • Page 1

    Doc022.53.00720 dr 2800 user manual january 2008, edition 2 © hach company, 2007–2008. All rights reserved. Printed in germany..

  • Page 2

    2.

  • Page 3: Table of Contents

    3 table of contents section 1 specifications ........................................................................................................................................ 7 section 2 general information .........................................................................................

  • Page 4

    4 table of contents 5.3 store, recall, send and delete data .................................................................................................................. 37 5.3.1 the data log ..........................................................................................................

  • Page 5

    5 table of contents 6.2 favorite programs ........................................................................................................................................... 81 6.2.1 recall a favorite program ......................................................................................

  • Page 6

    6 table of contents.

  • Page 7: Section 1

    7 section 1 specifications specifications are subject to change without notice. Performance specifications operating mode transmittance (%), absorbance and concentration source lamp gas-filled tungsten (visible) wavelength range 340–900 nm wavelength accuracy ± 1.5 nm wavelength reproducibility wave...

  • Page 8

    8 specifications.

  • Page 9: Section 2

    9 section 2 general information 2.1 safety information please read this entire manual before unpacking, setting up or operating this equipment. Pay attention to all danger, warning and caution statements. Failure to do so could result in serious injury to the operator or damage to the equipment. Mak...

  • Page 10

    10 general information permissible exposure value. Therefore, for class 1 lasers the output power is below the level at which it is believed eye damage will occur. Exposure to the beam of a class 1 laser will not result in eye injury. Class 1 lasers may therefore be considered safe. However, class 1...

  • Page 11: Section 3

    11 section 3 installation warning electrical and fire hazards. Use only the provided power supply. Only qualified personnel should conduct the tasks described in this section of the manual. 3.1 unpack the instrument the dr 2800 spectrophotometer comes packaged with the following items: • dr 2800 spe...

  • Page 12

    12 installation 3.3 power connections install the correct adapter plug on the supplied external power supply ( figure 1 ) by sliding the adapter on until it "clicks" into position. Correctly mounted, both housing of power supply and plug are in line. Plug the external power supply cord into the conn...

  • Page 13

    13 installation 3.4 connection the dr 2800 has two usb interfaces as a standard feature, located on the back of the instrument ( figure 2 ). The usb type a interface is used for communications with a printer, usb memory stick, barcode scanner, or keyboard. A usb memory stick is used to update instru...

  • Page 14

    14 installation 3.5 cell compartments, cell adapters, light shield and protective cover 3.5.1 cell compartments and adapters the dr 2800 has two cell compartments ( figure 3 ). Only one cuvette/sample cell type at a time can be used for a measurement. Cell compartment #1 • 13-mm and 16-mm round cuve...

  • Page 15

    15 installation 3.5.2 installation of the cuvette/sample cell adapters 1. Open the cell compartment. 2. Select the correct adapter for the cuvette/sample cell type. 3. Insert the adapter so the arrow on top of the adapter points to the left ( figure 5 on page 16 ) and the orientation tab fits the gr...

  • Page 16

    16 installation 3.5.3 use of the light shield for measurements the light shield ( figure 6 on page 17 ) prevents light interference when using 13 mm and 16 mm vial tests and must be in place before measurements can be taken in cell compartment #1. The light shield is required only when using 13 mm o...

  • Page 17

    17 installation the dr 2800 is shipped with the light shield installed. Remove the light shield before using cell compartment #2. The light shield can be stored in the protective cover ( figure 8 on page 18 ) installation of the light shield 1. Open the cell compartment. 2. Insert the light shield s...

  • Page 18

    18 installation 3.5.4 protective cover figure 8 protective cover 1 protective cover 3 protective cover with inserted cuvette/sample cell adapter a in position a. 2 protective cover (inside view) the inside of the protective cover is intended to house the cuvette/sample cell adapters. The recesses fo...

  • Page 19

    19 installation 3.6 mobile use of the dr 2800 for field analysis if the dr 2800 spectrophotometer is used to carry out field analyzes, it may be necessary to take a number of measures to compensate for the fluctuating ambient light conditions. You should take the measures described below if the foll...

  • Page 20

    20 installation 3.6.1 position the protective cover 1. After you have inserted the zero solution cell or the sample cell, position the protective cover over the open cell compartment. The lettering "protective cover" must be readable from the display side of the instrument. 2. Press the protective c...

  • Page 21

    21 installation 3.7 beam path figure 10 shows the beam path of the dr 2800: figure 10 beam path 1 tungsten lamp 8 splitter mirror 2 entrance slit 9 reference-element 3 heat-protection glass 10 cell compartment #2 4 grating 11 lens 5 exit slit 12 measurement element 6 lens 13 cell compartment #1 7 fi...

  • Page 22

    22 installation.

  • Page 23: Section 4

    23 section 4 start up 4.1 power the instrument on and off 1. Plug in to the power supply (laboratory analysis) or insert the battery (field analysis). 2. The push-button switch on the back of the instrument switches the instrument on (press for about 1 second) and off (press for about 3 to 5 seconds...

  • Page 24

    24 start up if the instrument detects any deviation relative to the last calibration, a system check has to be carried out. 4. Remove the cuvette from the cell compartment and close the lid. 5. Then press start. The system check is carried out (duration approx. 6 minutes). Note: further error messag...

  • Page 25: Section 5

    25 section 5 standard operations 5.1 overview 5.1.1 tips for the use of the touch screen the entire screen is touch-activated. To make a selection, press the screen with a fingernail, fingertip, pencil eraser or a stylus. Do not press the screen with a sharp object, such as the tip of a ball point p...

  • Page 26

    26 standard operations 5.1.3 main menu a variety of modes may be selected from the ”main menu“. The following table briefly describes each menu option. Table 2 ”main menu“ options dr 2800 option function stored programs / barcode programs (hach lange programs) stored programs are pre-programmed meth...

  • Page 27

    27 standard operations 5.2 instrument setup mode 1. Select instrument setup in the ”main menu“. A selection of functions appears in order to configure the functions of the instrument. 5.2.1 operator id use this option to enter up to 30 sets of operator initials (up to 5 characters each) into the ins...

  • Page 28

    28 standard operations 5.2.2 sample id use this option to enter up to 100 sample identification tags (up to 13 characters each) into the instrument. Sample ids can be used to specify the sample location or other sample specific information. 1. Press sample id in the instrument setup. 2. Press new to...

  • Page 29

    29 standard operations 5.2.3 date and time 1. Press date & time in the instrument setup. 2. The date and time are subdivided over a number of fields. Press the appropriate field and use the arrow keys to change the value. 3. Press ok to confirm. The instrument will return to instrument setup. 5.2.4 ...

  • Page 30

    30 standard operations 2. Select one of the options under standby mode to set the length of the idle period that can elapse before the instrument switches to the standby mode when running on battery power. Note: in standby mode, the backlighting of the screen is switched off. Touching the display ca...

  • Page 31

    31 standard operations 5.2.6 pc and printer the instrument is provided with 2 usb interfaces, which are located on the back of the instrument (see figure 2 on page 13 ). These interfaces can be used for exporting data and graphics to a printer, updating data and for data communication to a personal ...

  • Page 32

    32 standard operations printer setup: • resolution: print quality • paper: paper size note: if an optional thermal printer is connected, the function "auto send" on/off is available. 4. Select auto-send: on to send all measured data automatically to the thermal printer. Note: the option auto-send is...

  • Page 33

    33 standard operations 7. Press paper to select the paper size. Select between • letter • legal • executive • a4 8. Press ok to confirm. Note: press ok again to return to the pc & printer menu. 5.2.6.2 print data 1. Press recall data in the main menu. 2. Select the data source, where the data to be ...

  • Page 34

    34 standard operations 4. Select auto-send: on to send all measured data automatically to the pc. Note: if auto-send: off is selected, the pc & printer icon must be pressed, in order to send data to the pc. Note: the remote function is only for monitoring the data transfer. 5.2.7 password the passwo...

  • Page 35

    35 standard operations 4. Press security list to lock various functions for unauthorized users. 5. Highlight the desired functions to control. 6. Confirm the security list with ok to return to the password menu. 7. Press on to highlight the new settings of the security list. 8. Enter the new passwor...

  • Page 36

    36 standard operations 3. Press off to deactivate the settings of the security list. 4. Press ok to return to instrument setup. Note: use this function to delete the former password or to enter a new one..

  • Page 37

    37 standard operations 5.3 store, recall, send and delete data 5.3.1 the data log the data log will store up to 500 readings taken in the modes: stored programs, barcode programs, user programs, favorite programs, single wavelength and multi wavelength. A complete record of the analysis is stored, i...

  • Page 38

    38 standard operations 4. The function filter settings is used to search for specific items. 5. Highlight on to turn on the filters to select data by • sample id • operator id • start date • parameter or any combination of the four. 6. Press ok to confirm the selection. The chosen items are listed. ...

  • Page 39

    39 standard operations 5.3.1.4 delete stored data from the data log 1. Press recall data in the main menu. 2. Press data log>options>delete. 3. Highlight single point or filtered data or all data and press ok to confirm. Note: the number in parentheses is the total number of data sets assigned to th...

  • Page 40

    40 standard operations 5.3.2 time course the instrument can store 20 time course data sets. The data can be stored manually at the user's discretion after viewing the data. 5.3.2.1 data storage from time course 1. Press the store icon in the ”options“ menu from time course mode after a reading is ta...

  • Page 41

    41 standard operations 2. Press graph to look at details. Note: press view summary to return to the recall data list. 3. Press table to look at details. Note: press view summary to return to the recall data list. 5.3.2.3 send data from time course option 1: 4. Press recall data in the ”main menu“ an...

  • Page 42

    42 standard operations option 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 files will be automatically send as csv files (comma separated value) to a file ”tcdata“ (time course data). The file name will be formatted as: ”...

  • Page 43

    43 standard operations 5.4 stored programs the instrument contains more than 200 programmed procedures. They can be accessed through the stored programs menu. 5.4.1 select a saved test/method; enter user-specific basic data 1. Press stored programs in the main menu to view an alphabetical list of st...

  • Page 44

    44 standard operations store off/on with the store on setting, all measurement data are stored automatically. With the store off setting, no measurement data are stored. % trans/conc/abs toswitch to % transmittance, concentration or absorbance readings send data icon / send data to send data to a pr...

  • Page 45

    45 standard operations 5.4.3 use of program timers some procedures do not require the use of timers. Other procedures require several timers. These timers are pre-programmed into each stored program, along with a description of the activity to be performed during the timed period. 1. Press the timer...

  • Page 46

    46 standard operations 5.4.4 set the dilution factor the dilution factor function is used to calculate the original concentration of a sample that has been diluted by a known ratio. For example, dilution factor can bring the analyzed concentration within the test range. 1. Press options>more…>diluti...

  • Page 47

    47 standard operations read a standard before setting standard adjust to on. 1. Follow the entire procedure, using a known standard for the sample. 2. After reading the concentration, press options>more>standard adjust. 3. If standard adjust is set to off, turn it on. The current reading will show t...

  • Page 48

    48 standard operations 1. Press options>more>chemical form. 2. Select the chemical form. Note: the stoichiometric conversion of the measurement result is carried out automatically. Note: the selected chemical form will appear on the display. Test results will be calculated and displayed in this chem...

  • Page 49

    49 standard operations 4. Press options>more>reagent blank. 5. Press on to highlight the reagent blank function. 6. The concentration shown on the key is the measured value of the reagent blank. To use this value for more analyses of this parameter, press ok. 7. To enter a previously recorded reagen...

  • Page 50

    50 standard operations 4. Remove zero solution and insert sample cuvette/cell into the cell compartment. 5. Press read. The result will be displayed. 6. For data storage, see section 5.3.1 on page 37 . 5.4.9 add stored programs to the favorite programs list the favorites menu simplifies test selecti...

  • Page 51

    51 standard operations 5.5 barcode programs a special barcode reader in cell compartment #1 automatically reads the barcode on the 13 mm cuvette/vial as the cuvette/vial completes a single rotation. The instrument uses the barcode identification to automatically set the correct wavelength for the an...

  • Page 52

    52 standard operations • otherwise, press barcode programs in the main menu. And insert the blank or sample cuvette/vial (depending on the working procedure) in cell compartment #1. The measurement is started automatically and the results are displayed. To evaluate other cuvette/vial tests and other...

  • Page 53

    53 standard operations 5.5.3.1 change of the default setting of the chemical form 1. Insert the blank or sample cuvette/cell (depending on the working procedure) into the cell compartment. 2. In the result display, press options>more>chemical form. 3. A list of available evaluation forms appear. Sel...

  • Page 54

    54 standard operations 5.5.5 sample blank turbidity and color in the sample matrix can falsify the results of a photometric analysis. The interference factors come from the sample or are created by reactions with the reagents. The influence of turbidity and/or color can be eliminated or reduced by t...

  • Page 55

    55 standard operations 5.5.6 update/edit barcode tests 5.5.6.1 manual update of a barcode test using the data provided in the barcode, the instrument automatically sets the measurement wavelength and factors. If a discrepancy is detected between the barcode data and the stored data or a new test is ...

  • Page 56

    56 standard operations enter the version 1. Highlight the line containing version and press edit. Use the alphanumeric keypad to enter the name indicated in the working procedure. 2. Press ok to confirm. Enter the measurement process for detailed information on entering the measurement process, see ...

  • Page 57

    57 standard operations enter the variables (factors, wavelength and coversion factors) for detailed information on entering the variables, see section 6.1.2 on page 72 . Check the working procedure in advance to determine whether this point needs to be changed. 1. Highlight the variables line in the...

  • Page 58

    58 standard operations 5.5.6.2 update an existing barcode test note: only in very few cases does the revision of a test require all test specifications to be updated. Option 1: manual update of test data 1. Insert the light shield in cell compartment #2. 2. The instrument needs to be at the main men...

  • Page 59

    59 standard operations 5.5.6.3 program a new test 1. The instrument needs to be at the main menu or press barcode programs in the main menu. 2. Insert the sample cuvette/vial or blank (depending on the working procedure) into the cell compartment. 3. After "program not available", a data overview is...

  • Page 60

    60 standard operations 6. Press ok to return to the system checks menu. Note: when the instrument software has been updated, a prompt to restart the instrument is displayed..

  • Page 61: Section 6

    61 section 6 advanced operations 6.1 user programs user programs provide the opportunity to complete "made to measure" analysis. The user programs database is empty when the instrument leaves the factory and is used to accommodate programs created by users specific needs. Here are a few examples of ...

  • Page 62

    62 advanced operations program number: specific test number, with which the program can subsequently be called up from the selection list in the user programs menu or the favorites menu. 2. Use the alphanumeric keypad to enter a program number between 950 and 999. The lowest available number appears...

  • Page 63

    63 advanced operations 6.1.1.1 single wavelength settings if the single wavelength mode is selected, the following parameters can be defined: units: select the required unit from the list and press next. Note: units of measure not included in this list can be added in the edit program under program ...

  • Page 64

    64 advanced operations chemical form: enter the chemical formula used in the display to represent the analysis parameter. Use the alphanumeric keypad to enter the chemical form and press next to enter calibration settings. 6.1.1.2 multi wavelength settings if the multi wavelength mode is selected, t...

  • Page 65

    65 advanced operations list of available absorbance formulas a 1 is the absorbance at wavelength 1, a 2 is the absorbance at wavelength 2 and so on k 1 is the factor at wavelength 1, k 2 is the factor at wavelength 2 and so on if a subtraction has to be completed, the factors can be entered with a m...

  • Page 66

    66 advanced operations chemical form: enter the chemical formula used in the display to represent the analysis parameter. Use the alphanumeric keypad to enter the chemical form and press next to enter calibration settings. 6.1.1.3 calibration settings for single and multi wavelength mode a method is...

  • Page 67

    67 advanced operations 2. To enter the standard concentrations and corresponding absorbance values in the displayed table, press the "+" symbol. Use the alphanumeric keypad to enter the values. Press ok and enter the corresponding absorbance value. Press ok. The entered data are displayed in the tab...

  • Page 68

    68 advanced operations calibration by reading standards 1. Press read standards and press next. 2. To enter the standard concentrations in the displayed table, press the "+" symbol. Use the alphanumeric keypad to enter the standard concentration. Press ok. 3. Press the "+" symbol again (see arrow) a...

  • Page 69

    69 advanced operations 9. Press force 0 to change the setting from off to on. The curve then passes through the origin of the coordinate system. Note: this may have an adverse effect on the correlation coefficient (r 2 ). 10. Press table to display the table again. 11. When the table has been comple...

  • Page 70

    70 advanced operations 6.1.1.4 store a user program the input of the basic data is complete. An overview of the variable program data is displayed. 1. To enter more specifications or change existing ones, highlight the appropriate line and press edit. 2. Select store to save the user program. 3. Pre...

  • Page 71

    71 advanced operations timer 1 / timer 2 / timer 3 / timer 4: this function can define time intervals for up to four timers. Timer designations such as shake, wait and swirl can be assigned. 1. Highlight the appropriate line in the overview of the program data and press edit. 2. The timers are activ...

  • Page 72

    72 advanced operations 6.1.2 free programming program type free programming is an advanced option for entering original user-developed methods. When the free programming option is selected, an overview of the specifications of the programmed test is displayed. Each input option can be modified to de...

  • Page 73

    73 advanced operations • should individual program sequences be repeated? The elements of a measuring sequence, such as zero and sample measurements and the timer(s) (reaction times, waiting times, etc.) are individually defined. 6.1.2.2 enter a new element of a measuring sequence important note: ea...

  • Page 74

    74 advanced operations process timer key 1. Press the process timer key to enter any waiting, reaction or handling times that have to be taken into account. Use the alphanumeric keypad to enter the time. Press ok and confirm the input by pressing ok again. Note: this time is integrated into the meas...

  • Page 75

    75 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 a...

  • Page 76

    76 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 descr...

  • Page 77

    77 advanced operations enter the next calibration formula (c2 or cn) 1. Highlight c2: off and press edit. 2. Select c2: off again and press edit. The display switches to c2: on. 3. Highlight the next line c2 = to define the formula and press edit. In addition to the keys described in table 11 , only...

  • Page 78

    78 advanced operations select conc. Key if an already defined formula, in this case c1, is to be taken into account in the formula for c2, press select conc. Enter the number of the formula (e.G. 1 for c1) and press ok to confirm. Cn can now be linked with a mathematical operation. Note: the cn conc...

  • Page 79

    79 advanced operations 6.1.3 select a user program 1. Press user programs in the main menu to view an alphabetical list of user programs with program numbers. The user programs list will appear. Note: use the scroll bar to scroll through the list quickly. Note: highlight the selection by pressing it...

  • Page 80

    80 advanced operations 6.1.4.1 add to favorites 1. Press add to favorites and press ok to confirm. The program is added to the favorites. 6.1.4.2 edit 1. Press edit and press ok to confirm. An overview of the specifications of the programmed test is displayed. More information about the input option...

  • Page 81

    81 advanced operations 6.2 favorite programs the most frequently used tests/methods in the stored programs menu and the user programs menu can also be added to the list of favorites to simplify their selection. To add stored programs and/or user programs to the favorites list or the favorite program...

  • Page 82

    82 advanced operations 6.3 standard addition – monitoring/checking results the accuracy of measured values (their correspondence with the actual concentration of the analyte in the sample) and their precision (correspondence of the measurement results obtained from several samples containing the sam...

  • Page 83

    83 advanced operations e. 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 pipette volume correct? 2. Check the used reagents by repeating the standard addition procedure with freshly prepared reagents. If none of these meas...

  • Page 84

    84 advanced operations peak volume/sample volume methods 1. Select stored programs in the main menu. Select the required program. 2. Press start. 3. Analyze a sample without added standard solution in accordance with the instructions in the procedures manual. When the measurement is complete, leave ...

  • Page 85

    85 advanced operations 6. Press the key of the value to change it. Use the alphanumeric keypad to change the value. Press ok to confirm. 7. Press the keys to enter the standard addition volumes. Use the alphanumeric keypad to enter the new data and press ok. Description of the table of readings • th...

  • Page 86

    86 advanced operations 11. After all the standard addition solutions have been measured, press graph. The regression line through the standard addition data points is displayed. The correlation coefficient r 2 indicates how close the data points are to the line. If the correlation coefficient = 1, t...

  • Page 87

    87 advanced operations 6.4 single wavelength (absorbance, concentration and transmittance measurements) the single wavelength mode can be used in three ways. For sample measurements at a single wavelength, the instrument can be programmed to measure the absorbance, % transmittance or concentration o...

  • Page 88

    88 advanced operations concentration factor: 1. Press concentration factor: off in the options menu. Press on to highlight this feature. 2. Press the ”factor“ key and use the alphanumeric keypad to enter the factor by which absorbance readings are to be multiplied. Press the ”unit“ key to select the...

  • Page 89

    89 advanced operations 6.4.2 take single wavelength measurements 1. Insert the blank cuvette/cell into the cuvette/sample cell holder. Press zero. Note: the read key is only active after the zero measurement has been completed. 2. Insert the sample cuvette/cell into the cuvette/sample cell holder. P...

  • Page 90

    90 advanced operations 6.5 multi-wavelength mode – measurements at more than one wavelength in the multi-wavelength mode, absorbance values can be measured at up to four wavelengths and the results can be mathematically processed to obtain sums, differences and relationships. Absorbance measures the...

  • Page 91

    91 advanced operations λ / absorbance formula: 1. Press absorbance formula. 2. The formula selected in the top key determines the number of wavelength and coefficent keys that will appear below. To change the absorbance formula, press the top key, select a formula from the displayed list and press o...

  • Page 92

    92 advanced operations 3. To change a wavelength, press one of the ” λx:“ keys. Enter the desired wavelength coefficient into the numeric keypad. Press ok to confirm. 4. To change a coefficient, press one of the ”k x :“ keys. Enter the desired coefficient into the numeric keypad. Press ok to confirm...

  • Page 93

    93 advanced operations 6.5.2 complete a measurement in the multi wavelength mode 1. Insert the blank cuvette/cell into the cuvette/sample cell holder. Press zero. Note: the read key does not become active until the zero measurement has been completed. 2. Insert the sample cuvette/cell into the cuvet...

  • Page 94

    94 advanced operations 6.6 time course of absorbance/transmittance the time course mode is used to collect data in either absorbance or transmittance for a user-specified length of time. After the data are collected, they can be displayed in either graphic or tabular format. 6.6.1 time course setup ...

  • Page 95

    95 advanced operations time & interval: 1. Press time & interval in the options menu. 2. Input the total time and the reading time and press ok to confirm. Note: in total 500 measuring steps are possible. To select a total time and a time interval that would cause this number of measurements to be e...

  • Page 96

    96 advanced 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 may indicate a significant event, such as the addition of a sample or other reagent. The mark is also shown in the table. • select stop to stop takin...

  • Page 97

    97 advanced operations 6.6.3.1 navigation of a time scan or a time scan analysis after a time scan has been completed, the time and the absorbance/transmittance data are displayed as a curve. Where the cursor is positioned on the curve, the elapsed time up to this point and the corresponding absorba...

  • Page 98

    98 advanced operations 6.7.1 instrument information 1. Press instrument information in the system checks menu. 2. The model, serial number and software version are displayed. 6.7.2 upgrade of the instrument software to obtain the software for the update from the internet at www.Hach.Com: 1. Go to ht...

  • Page 99

    99 advanced operations 6.7.3 optical checks for each optical check, the measured results must be evaluated against user-specific requirements. The check options do not define tolerances. 1. Press optical checks in the system checks menu. The optical checks menu contains programs for checking the wav...

  • Page 100

    100 advanced operations 6.7.3.2 stray light check the stray light test is used to measure the stray light in the instrument at 340 nm. 1. Press stray light check in the optical checks menu. 2. Remove any cuvette/sample cell from the cell compartment. 3. Insert the adapter (a) for 10-mm rectangular c...

  • Page 101

    101 advanced operations 6.7.3.3 absorbance check the absorbance check test is used to test the photometric accuracy and repeatability of the instrument. This test can be used to test absorbance at any wavelength by a specific sample or test filter set (refer to section 6.7.3.4 on page 102 ). 1. Pres...

  • Page 102

    102 advanced operations 6.7.3.4 verification kit the verification kit, lzv537, (see section 9 on page 119 ) is designed for periodic monitoring of scattered light, photometric accuracy and the wavelength accuracy of the spectrophotometers. When results exceed allowable tolerances (given in the quali...

  • Page 103

    103 advanced operations 7. Remove any cuvettes/cells from the cell compartment and press start. 8. Insert the different filter in the given order one after the other. Press next after inserting a filter. After the last measurement the results are displayed. 9. Press pc & printer iconto send the data...

  • Page 104

    104 advanced operations 6.7.4 output checks if a printer is connected a test printing of the current screen will be printed. 6.7.5 lamp history the lamp history menu provides the amount of time that the lamp has been on (hours). After a lamp is replaced and the lamp history is reset, the display of ...

  • Page 105

    105 advanced operations 6.7.7 service time in order to ensure a regular inspection, an automatic memory reference for the service times can be entered. After switching the instrument on this memory reference will be activated and indicated at the appropriate time. 1. Press service time in the system...

  • Page 106

    106 advanced operations 6.7.8 instrument backup before the next service date the instrument backup menu offers the possibility to store all programs, measuring data, operator id, sample id, passwords and all adjustable data on a usb stick. 1. Press instrument backup in the system checks menu. 2. Con...

  • Page 107

    107 advanced operations if the file was stored the message instrument backup is stored to usb stick will be displayed. 4. Press ok to return to the system checks menu. Restore backup data: important note: all current data will be overwritten when restoring the backup file! 1. Press instrument backup...

  • Page 108

    108 advanced operations 4. Press ok to confirm after the message “instrument backup from s/n xxxxxxx. Restore?“ is displayed. 5. After the backup start the instrument again..

  • Page 109: Section 7

    109 section 7 maintenance caution potential chemical, biological eye and skin hazards. Only qualified personnel should conduct the tasks described in this section of the manual. Important note: remove any cuvettes/cells that are still in the instrument and dispose of them or their contents using an ...

  • Page 110

    110 maintenance 7.2 insert or change of the battery 1. Remove the cuvette from the cell compartment. 2. Switch the instrument off. 3. Unplug the power cord. 4. Turn the instrument over carefully and place it on a soft surface. 5. Use a screwdriver or a coin to remove the screw from the cover. 6. Rem...

  • Page 111

    111 maintenance 8. Push in the battery so that the contacts of the instrument can be plugged into the socket of the battery. Important note: take care that the battery contacts are always clean. Soiled contacts can result in contact heating and voltage drop, interfering with the proper operation of ...

  • Page 112

    112 maintenance • the performance of the battery decreases with the temperature. 7.2.1.2 optimal operation of the battery the battery is charged automatically when the plug-in power supply on the back of the instrument is connected and is plugged into a mains socket (100–240 volt/50–60 hz). Caution ...

  • Page 113

    113 maintenance 7.3 lamp replacement caution to avoid a possible electric shock, disconnect the instrument from the power source before servicing the lamp. 1. Remove the cuvette from the cell compartment. 2. Switch the instrument off. 3. Unplug the power cord. Warning burn hazard. Wait until the lam...

  • Page 114

    114 maintenance warning burn hazard. Wait until the lamp cools down. Contact with the hot lamp can cause burns. 9. Lift the lamp fitting carefully. 10. Put both screws to one side. 11. Push up on the pressure spring. 12. Remove the halogen lamp complete with the plug panel..

  • Page 115

    115 maintenance 13. Carefully unplug the halogen lamp from the plug panel. Important note: hold the lamp by the fitting only. Avoid touching the glass, as substances on the skin can bake onto the lamp bulb and thus accelerate the aging process of the lamp. 14. Plug a new halogen lamp to the panel. 1...

  • Page 116

    116 maintenance.

  • Page 117: Section 8

    117 section 8 troubleshooting problem/display screen likely cause action attention! Please insert the light shield. Measurements with barcode cuvettes generally require the light shield. Insert the light shield. Press ok. Absorbance > 3.5! The measured absorbance exceeds 3.5 dilute the sample and re...

  • Page 118

    118 troubleshooting.

  • Page 119: Section 9

    119 section 9 replacement parts description cat. No. Rechargeable lithium battery lzv551 tungsten lamp lzv565 cuvette/ sample cell adapter 10 mm (a) lzv583 cuvette/ sample cell adapter 1 inch (c) lzv584 light shield lzv646 cell adapter for pour-thru cell (b) lzv585 cell adapter set (cuvette adapters...

  • Page 120

    120 replacement parts.

  • Page 121

    121 section 10 contact information hach company world headquarters p.O. Box 389 loveland, colorado 80539-0389 u.S.A. Tel (800) 227-hach (800) -227-4224 (u.S.A. Only) fax (970) 669-2932 orders@hach.Com www.Hach.Com repair service in the united states: hach company ames service 100 dayton avenue ames,...

  • Page 122

    122 contact information.

  • Page 123: Section 11 Limited Warranty

    123 section 11 limited warranty hach company warrants its products to the original purchaser against any defects that are due to faulty material or workmanship for a period of one year from date of shipment unless otherwise noted in the product manual. In the event that a defect is discovered during...

  • Page 124

    124 limited warranty.

  • Page 125: Index

    125 index a absorbance check ................................................ 101 absorbance formula ......................................... 90 , 91 alphanumeric keypad .............................................. 25 audio signals ........................................................... 29 b ...

  • Page 126

    126 v variables ......................................................55 , 57 , 78 verification kit ........................................................ 102 version ............................................................... 55 , 56 view table ...................................................