Hach DR 6000 User Manual Download Page 32

Page: 32 / 156

Standard programs

Press

Security

in the "Instrument Setup" menu.

In order to open the

Security List

, assign a password as

security administrator. Activate

and press

Security

Password

Enter a new security password (up to 10 characters long) via
the alphanumeric keypad, and confirm with

Press

Security List

to access various functions with security

level 1 or 2.

Select the required function and press

Setup

Summary of Contents for DR 6000

Page 2: ......

Page 3: ...nt 17 3 2 Operating environment 17 3 3 Front and back view 18 3 4 Power connections 19 3 5 Interfaces 20 3 6 Cell compartments and universal cell adapter 20 3 6 1 Cell compartments and adapter 20 3 6 2 How to position the universal cell adapter 21 3 7 Beam path 22 Section 4 Startup 23 4 1 Switch on the instrument startup process 23 4 2 Language selection 23 4 3 Self check 23 4 4 Sleep mode 24 4 5 ...

Page 4: ...39 5 2 7 3 Print data continuously 39 5 2 7 4 Network setup 39 5 2 8 Power Management 43 5 2 9 Lamp control 43 5 3 Save recall send and delete data 44 5 3 1 The data log 44 5 3 1 1 Auto manual data storage 44 5 3 1 2 Recall stored data from the data log 45 5 3 1 3 Send data from the data log 46 5 3 1 4 Delete stored data from the data log 47 5 3 2 Control charts for data from the AQA Log 48 5 3 3 ...

Page 5: ...5 4 10 1 Complete a standard addition 65 5 4 11 Analysis of samples 68 5 4 12 Program tests 68 5 4 12 1 Program a new test 68 5 4 13 Add stored programs to the favorite programs list 68 5 5 Barcode Programs 70 5 5 1 Perform a barcode test 70 5 5 2 Select the chemical evaluation form 71 5 5 2 1 Change of the default setting of the chemical form 71 5 5 3 Basic test specific and sample specific data ...

Page 6: ... Edit 98 6 1 4 3 Delete program 99 6 2 Favorites 99 6 2 1 Recall a favorite program 99 6 2 2 Delete a favorite program 99 6 3 Single Wavelength absorbance concentration and transmittance readings 100 6 3 1 Set up Single Wavelength mode 100 6 3 2 Take single wavelength readings single reading 102 6 4 Multi Wavelength mode readings with more than one wavelength 102 6 4 1 Set reading mode at differen...

Page 7: ...ion 125 6 7 4 5 Performing AQA measurement 125 6 7 4 6 Pipette check 126 6 7 5 Instrument backup 127 6 7 6 Service menu 128 6 7 7 Service time 128 6 7 8 Lamps operating time 129 6 8 Toolbar 129 6 8 1 Log on 129 6 8 2 Sample ID 130 6 8 3 Timer 130 6 8 4 AQA 130 6 8 5 Trends 131 6 8 6 Carousel insert 131 6 8 7 LINK2sc 131 6 8 8 DR 6000 website 131 Section 7 Maintenance 133 7 1 Cleaning requirements ...

Page 8: ...lacement parts 143 9 1 Accessories 143 9 2 Replacement parts 144 Section 10 Contact 145 Section 11 Limited warranty 147 Appendix A Help Guide 149 A 1 Display of the Help Guide for stored programs 149 A 2 Display of the Help Guide for barcode programs 150 Index 153 ...

Page 9: ...y 0 5 to 2 Abs 1 at 2 Abs with neutral glass at 546 nm Stray light KI solution at 220 nm 3 3 Abs 0 05 Photometric drift against blank reading 30 min baseline stable 190 199 nm 0 0100 Abs 200 349 nm 0 0054 Abs 350 899 nm 0 0034 Abs 900 1100 nm 0 0100 Abs Long term stability Zero point at 546 nm for 10 hours 0 0034 Abs Data log 5000 measurement values result date time sample ID user ID 50 scans 50 t...

Page 10: ...rnet Housing rating IP20 with closed cell compartment cover Protection class Class I This product has been tested to the requirements of CAN CSA C22 2 No 61010 1 second edition including Amendment 1 or a later version of the same standard incorporating the same level of testing requirements Pollution Degree 2 Installation Category II Maximum Altitude 2000 m 6560 ft Performance specifications ...

Page 11: ...jury WARNING Indicates a potentially or imminently hazardous situation that if not avoided may result in death or serious injury CAUTION Indicates a potentially hazardous situation that may result in minor or moderate injury NOTICE Indicates a situation that if not avoided could result in damage to the device Information that particularly should be emphasized This symbol may be attached to the dev...

Page 12: ...The RFID module operates with a frequency of 13 56 MHz WA RN ING The manufacturer is not responsible for any damages due to misapplication or misuse of this product including without limitation direct incidental and consequential damages and disclaims such damages to the full extentpermitted under applicable law The user is solely responsible to identify critical application risks and install appr...

Page 13: ...ions 1 this device may not cause interference and 2 this device must accept any interference including interference that may cause undesired operation of the device Le présent appareil est conforme aux CNR d Industrie Canada applicables aux appareils radio exempts de licence L exploitation est autorisée aux deux conditions suivantes 1 l appareil nedoit pas produire de brouillage et 2 l utilisateur...

Page 14: ...ainers and safety data sheets prior to their use Dispose of all consumed solutions in accordance with the local and national regulations and laws Select the type of protective equipment suitable to the concentration and quantity of the dangerous material being used 2 2 Product overview The DR 6000 is a UV VIS spectrophotometer with a wavelength range of 190 to 1100 nm The visible spectrum 320 to 1...

Page 15: ...igital readouts of concentration absorbance and percent transmittance When selecting a user generated or programmed method the menus and prompts serve to direct the user through the test This menu system can also produce reports statistical evaluations of generated calibration curves and reports on instrument diagnostic checks ...

Page 16: ...16 General information ...

Page 17: ... device functions faultlessly and thus has a long service life Place the device securely on an even surface Push no objects under the device Position the device so that the power cord is not impaired The ambient temperature must be 10 40 C 50 104 F The relative humidity should be less than 80 moisture should not condense on the instrument Leave at least a 15 cm clearance at the top and on all side...

Page 18: ...ent and all accessories clean and dry at all times Immediately remove splashes or spilt materials on or in the instrument refer to Section 7 3 3 Front and back view Figure 1 Front view 1 USB port type A 5 Touch screen 2 Cell compartment cover 6 Power save key 3 Lamp compartment cover 7 RFID module not available on all models 4 Fan outlet ...

Page 19: ...vice to the power supply If you are not sure if the sockets are grounded have this checked by a qualified electrician The power plug serves in addition to the power supply to isolate the device quickly from the power source where necessary During the disconnection from the power source it must be made sure that the correct power plug is pulled for example by labeling the sockets This is recommende...

Page 20: ...ata and graphics to printers and PCs and the updating of the device software refer to section 6 7 2 page 116 The Ethernet port supports real time data transfer in local networks LIMS systems and SC controllers Only use a shielded cable for example STP FTP S FTP with a maximum length of 20 m for the Ethernet port 3 6 Cell compartments and universal cell adapter 3 6 1 Cell compartments and adapter T...

Page 21: ...apter by approx 1 cm 3 Rotate the universal cell adapter such that the guide of the required cell profile faces left toward the cell compartment 1 4 Press the universal cell adapter down until it snaps into place Figure 4 How to position the universal cell adapter 1 Cell compartment for round cells 1 2 Cell compartment with universal cell adapter 2 ...

Page 22: ...chromator 10 Exit slit 2 Mirror 11 Lens reference element 3 Mirror 12 Mirror 4 Entrance slit 13 Splitter mirror 5 Deuterium lamp 14 Cell compartment 2 for universal cell adapter 6 Lamp selection mirror 15 Lens 7 Halogen lamp 16 Cell compartment 1 for round cells 8 Mirror 17 Reading element 9 Grating ...

Page 23: ...required language 2 Press OK to confirm the language selection The self check will then start automatically Change the language setting The device works in the selected language until the option is changed 1 Turn the instrument on 2 During the startup process touch the display at any point until approximately 45 seconds the list for the selection of a language is shown 3 Select the required langua...

Page 24: ...he display The Sleep mode message is shown The display will then switch off automatically 2 Press the power save key again to switch back on The self check will start automatically After that the instrument is ready to use 4 5 Power off the instrument 1 Press the power switch on the back of the instrument ...

Page 25: ...needed when programming the instrument Unavailable options are disabled grayed out The symbols left and right on the display are described in Table 1 The designations of the center keypad change according to the selected entry function Touch each key repeatedly until the required character is shown on the display A space can be entered by using the underscore on the YZ_ key Press Cancel to cancel ...

Page 26: ...nt of the original light that passes through the sample and reaches the detector Concentration readings A concentration factor can be entered to enable the measured absorbance values to be converted into concentration values Multi Wavelength In the Multi Wavelength mode absorbance Abs or percentage transmittance T is measured at up to four wavelengths and absorbance differences and absorbance rela...

Page 27: ...ons New to enter a new operator ID Note If no operator ID has yet been entered the alphanumeric keyboard is immediately displayed 3 Use the alphanumeric keypad to enter a new operator ID 4 Press OK to confirm the entry 5 Choose an icon for the operator ID using the Left Arrow and Right Arrow 6 Press Operator Password to protect the operator ID with a password 7 Use the alphanumeric keypad to enter...

Page 28: ...information 5 2 1 1 Operator RFID tag not available on all models 1 Define an operator ID refer to section 5 2 1 2 Press Initialize RFID Tag 3 Following instructions on the display hold the operator RFID tag close to the RFID sign on the front of the instrument A sound indicates that the write process has been sucessful 4 The operator RFID tag can be newly written at any time To do so confirm the ...

Page 29: ...onfirm the entry 5 Assign the current time and date a sequential number or a colour to the sample ID 6 To number the sample IDs sequentially e g Inflow 01 etc press Add Number Use the arrow keys to specify the first number of the sequence Use the key between the arrow keys to enter the first number of the sequence using the alphanumeric keypad 7 Press OK to return to the Instrument Setup menu The ...

Page 30: ...r 4 The sample ID can have the current date and time a sequential number and a colour allocated to it Select the required options or a colour 5 Press OK to confirm the entry 6 Press New again and repeat the process for each barcode 5 2 2 2 Sample ID with scanner method 2 1 Read the sample ID on the screen with the barcode scanner and perform measurement The barcode is stored along with the reading...

Page 31: ...h the optional RFID Sample ID Kit not available on all models The optional RFID Sample ID Kit consists of A LOC 100 RFID Locator An operator RFID tag Five location RFID tags and Three sample bottle RFID labels each in black red green blue and yellow The operator and location RFID tags can be written to and read in by the RFID module in the DR 6000 as often as required More information can be found...

Page 32: ...ign a password as security administrator Activate On and press Security Password 3 Enter a new security password up to 10 characters long via the alphanumeric keypad and confirm with OK 4 Press Security List to access various functions with security level 1 or 2 5 Select the required function and press Setup ...

Page 33: ...4 1 Assign operator security level Every operator with an operator ID can be assigned a security level This assignment is connected to the operator password Setup must be coordinated with the security administrator and the operator 1 Select Operator ID from Instrument Setup 2 Set up an operator ID refer to section 5 2 1 3 Tap on Operator Password 4 Enter the operator password and confirm with OK 5...

Page 34: ... operator ID is displayed with the selected security level 9 Press Login to activate the selected operator ID 10 Enter the operator password 11 Confirm with OK and return to Instrument Setup 5 2 4 2 Deactivate password 1 Press Security in the Instrument Setup menu 2 Enter the security password and confirm with OK ...

Page 35: ...rn to the Instrument Setup menu Note Use this function to delete the former password or to enter a new one 5 2 5 Date and time 1 Tap Date Time in the Instrument Setup 2 Select a Date Format for the date 3 Press OK to confirm the entry 4 Select a Time Format for the time 5 Press OK to confirm the entry ...

Page 36: ...timer Touch screen Activates deactivates a short sound with variable volume with each touch of the display Reading done Activates deactivates a short sound with variable volume when the reading is done Timer Sets short long sound with variable volume when timer has ended Startup Activates deactivates a startup melody with variable volume when the test program is started Warning Activates deactivat...

Page 37: ...ode handset scanner Note Various accessories can also be connected simultaneously using a USB hub A USB memory stick is used to update data refer to section 6 7 2 page 116 Note A shielded USB cable must not be longer than 3 m 1 Press PC Printer in Instrument Setup A list with information about the connections opens Table 3 USB connector Interfaces Description USB Type A This USB interface is for t...

Page 38: ...ff is available 3 Press Resolution to select the print quality For selection are 100 dpi 150 dpi and 300 dpi 4 Press OK to confirm the entry Note Press OK again to return to the Instrument Setup menu 5 Press Paper to select the paper size For selection are Letter Monarch Executive A4 6 Press OK to confirm the entry Note Press OK again to return to the Instrument Setup menu When you have connected ...

Page 39: ... would like to automatically print out all measured values immediately after measurement the use of a continuous form printer is recommended for example the 4 paper thermal printer refer to Section 9 Page 143 1 Connect the thermal printer to a USB type A port 2 Press PC Printer in the Instrument Setup menu A list with information about the connections opens 3 Highlight Printer 4 Press Setup to dis...

Page 40: ...ess On 4 Press IP address An IP address is used to send data from a sender to a pre defined recipient If the IP for the DR 6000 is automatically assigned in the network no further adjustment occurs A hostname can optionally be assigned If the instrument address is fixed the connection must be configured 5 Select Fix to configure the IP address 6 Press IP address and enter the address ...

Page 41: ...way enables data communication in networks that are based on varying protocols 8 Press Default Gateway and enter the address 9 Press OK to confirm the entry 10 Press Network Server Off to determine the target site for the data transfer 11 Select Netdrive and run Netdrive Setup Alternatively select FTP and run FTP Setup The procedures are completely identical As an example Netdrive Setup is describ...

Page 42: ...lected name must exist on the target system Additionally the folder must be shared with the operator using the corresponding password 14 Press OK to confirm the entry User and password must be identical to the settings on the target system 15 Tap User and enter the user name 16 Confirm the entry with OK 17 Tap Password and enter the password 18 Confirm the entries with OK 19 Select Factory Default...

Page 43: ... and confirm with OK Note To protect the UV lamp do not switch it on and off frequently The UV lamp requires time to warm up 6 Select Visible Lamp Save 7 Select the required time span after which the VIS lamp will be powered off if it is not used and confirm with OK Note The manufacturer recommends the Automatic setting for this This means the VIS lamp is only switched on momentarily to perform th...

Page 44: ...m Press OK to confirm 5 3 Save recall send and delete data 5 3 1 The data log The data log can store up to 5000 readings saved by the following programs Stored Programs Barcode Programs User programs Favorites Single Wavelength and Multi Wavelength A complete record of the analysis is stored including the Date Time Results Sample ID and Operator ID 5 3 1 1 Auto manual data storage The data storage...

Page 45: ...n setting allows the instrument to print all recorded measurement data automatically when a thermal printer is connected Auto Send On must be activated in the Printer Setup for the thermal printer to enable this feature refer to section 5 2 7 1 If a PC is connected the recorded measurement data is imported automatically into a table 4 Press OK to confirm the entry The instrument then returns to In...

Page 46: ...listed 6 Press View Details to get more information 5 3 1 3 Send data from the data log Data is sent from the internal data log as an XML Extensible Markup Language file or as a CSV Comma Separated Value file to a directory with the name DataLog on a USB mass storage device or a network drive The file can then be processed using a spreadsheet program The file name has the format DLYear Month Day_H...

Page 47: ...ing options are available Single point only this selected reading will be sent Filtered data only readings that correspond to the set filters will be sent All data all data in the selected data category will be sent 6 Press OK to confirm Note The number in parentheses is the total number of data sets assigned to this selection 5 3 1 4 Delete stored data from the data log 1 Press Recall Data from t...

Page 48: ...A Log 1 Select Recall Data from the main menu 2 Press AQA Log A listing of the stored data is displayed 3 Press Filter On Off 4 Activate On 5 Select a required parameter 6 Press OK to confirm the selection The chosen items are listed 7 Press Options Control Chart ...

Page 49: ...e 9 Press Range Control Chart to select the control chart of the range in for multiple determinations The range in is displayed graphically with the control limits and date 5 3 3 Store recall send and delete data from wavelength scan and time course The instrument can store 50 datasets for the Wavelength Scan and 50 datasets for the Time Course The data must be stored manually after it is displaye...

Page 50: ...urrent scan to the highlighted numbered line Note Scans can be overwritten 5 3 3 2 Recall stored data from wavelength scan or time course 1 Press Recall Data from the Main Menu a Select Wavelength Scan or Time Course to recall data b If a program is already running press Options More Recall Data 2 Select the required data 3 Tap on Graph to display details Note Tap on View List to return to the Rec...

Page 51: ...ld be sent to the printer as graph table or graph and table If a USB storage device is connected the files are automatically sent as xml or csv files to the file folder WLData data of a wavelength scan or TCData data of a time course on the USB storage device or moved into the folder If a network drive has been installed under Instrument Setup PC Printer Network Setup and csv or xml has been selec...

Page 52: ...Wavelength Scan Data or TCData_X csv Time Course Data X number of scans 1 20 For further processing use a spreadsheet program 5 3 3 4 Delete stored data from wavelength scan or time course 1 Press Recall Data in the Main Menu and then Wavelength Scan or Time Course A listing of the stored data is displayed 2 Highlight any data to delete 3 Press Delete in the Options menu and press OK to confirm 5 ...

Page 53: ...oose Trends and press OK to confirm Alternatively choose Trends from the toolbar 3 Press Options New 4 Select the required parameter and press Next to confirm 5 Select the required sample ID and press Next to confirm 6 Select the required operator ID and press Next to confirm ...

Page 54: ... the parameter information 12 Select Options Add Data to add more readings to the trend 13 Select Options Ratio Off to activate the Ratio function The ratio corresponds to the first row of readings selected 5 3 4 2 Ratios The Ratios function is based on a unique allocation of the samples to a sample location with the optional accessories LOC 100 RFID Locator and RFID Sample ID Kit The precise samp...

Page 55: ...rograms 1 Select Recall Data Data analysis 2 Select Ratios If a ratio analysis has already been carried out a list of the defined analyses will be displayed 3 Press Options 4 Press New to define a new ratio analysis ...

Page 56: ...press Next to confirm 6 Select parameter I with the greatest concentration and press Next to confirm 7 Select parameter II with the middle concentration and press Next to confirm 8 Select parameter III with the smallest concentration and press Next to confirm ...

Page 57: ...d second parameters and press Next to confirm 12 In Ratio Settings you get all selected functions shown Press OK to confirm 13 Select the ratio with the defined settings from the ratio directory Press Select A table with the defined values is shown Values outside the defined limits are displayed in red 5 4 Stored Programs Over 200 pre programmed processes can be recalled via the Stored Programs me...

Page 58: ...ss the info icon This option is not available for all tests 5 4 2 Stored programs options 1 Press Stored Programs in the Main Menu Select the required process and press Start 2 Press Options to enter specific data The following describes the options Table 4 Table 4 Stored programs options Options Description More For further Options Save icon Depending on whether Instrument Setup Data Log Setup Au...

Page 59: ...rm and measuring range Reagent Blank Off On Some of the stored tests methods include the Reagent Blank function This enables the reagent blank value to be added to or subtracted from the subsequent readings The reagent blank value shifts the calibration curve along the y axis without changing the shape or gradient of the curve The effect corresponds to a y axis intercept of the calibration straigh...

Page 60: ...r the timer and select General Timer Enter the length of the timed interval and press OK to start the timer The timer will beep when the timed interval ends 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 1 Press Options More Dilution Factor The number entered at the dilution factor prompt...

Page 61: ...he test as mentioned in the procedure 4 To set the standard concentration press the button and enter the new value Press OK to confirm 5 Press Adjust to enable the Standard Adjust The Standard Adjust icon will appear Note The adjustment must be within certain limits which vary with each program The allowable percentage is shown after Adjustment 5 4 6 Set the chemical form Some Stored Programs allo...

Page 62: ...eagent blank value 2 Select the test Insert the zero solution into the cell compartment if required by the procedural instructions Press Zero 3 Insert the prepared sample cell into the cell compartment Press Read The result will be displayed 4 Press Options More Reagent Blank 5 Press On to highlight the Reagent Blank function 6 The concentration shown on the button is the reading of the reagent bl...

Page 63: ...tton press the button Use the alphanumeric keypad to enter the new value Press OK to confirm 4 The Multiple Determination icon will be shown on the display 5 4 9 Selection of Reading Mode The Reading Mode functions enable the sample to be analyzed with a single reading continuous readings or with an optional carousel insert sample changer 1 Before reading the concentration press Options More Readi...

Page 64: ...t sample specific faults The analysis was compromised by substances or interferences in the sample sample matrix effect defective measuring device impure reagents Method Add a defined quantity concentration of the substance to be tested to the sample as a standard solution The detection rate concentration of the added standard solution should be close to 100 Detection rate Reading of successful st...

Page 65: ... standard addition A defined volume of a standard solution of known concentration is incrementally added to a previously tested sample and the sample is newly measured after every standard addition Sample volume A defined volume of a standard solution of known concentration is added to the volume of sample specified in the procedure and the sample is measured after each addition In most cases thre...

Page 66: ...e Standard Addition An overview of the data of the standard addition procedure is displayed 3 Press OK to accept the standard values for standard concentration sample volume total and standard addition volume 4 Press Edit to change these values 5 Press the key of the value to change it Use the alphanumeric keypad to change the value 6 Press Next to confirm 7 Press the keys to change the standard a...

Page 67: ... cell with the respective addition volume into the cell compartment 12 Press Read Repeat the procedure with all the other standard addition solutions 13 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 r2 indicates how close the data points are to the line If the correlati...

Page 68: ...Press Stored Programs in the Main Menu 2 Press Program Options and then New 3 Use the alphanumeric keypad to enter the Program Number indicated in the working procedure An overview of the data for the test to be programmed is displayed The process specification of the corresponding test contains the new data Wavelength Factors reading Ranges Conversion Factor for chemical Form etc 4 Highlight the ...

Page 69: ...ed Programs list will appear 2 Highlight the selection by pressing it or Select by Number to search for the program by number 3 Press Program Options 4 Select Add to Favorites and confirm with OK The program can now be selected from Favorite Programs menu in the Main Menu ...

Page 70: ...ction and insert the cell into the cell compartment 1 When a coded cell is inserted into the cell compartment 1 Figure 3 Page 21 the corresponding measurement program is automatically activated in the main menu Otherwise select in the main menu the menu option Barcode Programs and insert a zero cell depending on work instruction into the cell compartment 1 Note To obtain further information on the...

Page 71: ...appear 2 Select the required chemical form and press OK to confirm Note The selected chemical form is displayed but does not become the default To change the default refer to section 5 5 2 1 5 5 2 1 Change of the default setting of the chemical form 1 Insert the zero cell or sample cell corresponding to the process specification into the cell compartment 2 In the result display press Options More ...

Page 72: ...is turned off Note During use of a dilution factor the dilution symbol is shown on the display Note If undiluted samples are used set the dilution factor off Chemical Form Some of the stored tests methods allow to select the chemical form and the measuring range Reagent Blank Off On The function Reagent Blank is available for several barcode tests This enables the reagent blank value to be added t...

Page 73: ...s been carried out a special cell LCW919 with the sample blank is inserted in the cell compartment Measurement is automatic The value of the sample measurement is then corrected through addition or subtraction of the blank value The end result is shown in the display with the blank value correction icon With some tests the determination of a sample blank value is not necessary as during the test p...

Page 74: ...If the packaging is held in front of the RFID module a second time the current lot information of the test is shown in the display The test can be performed next according to the process specification 5 5 5 2 Manual update of a barcode test Note Only in very few cases does the revision of a test require all test specifications to be updated The various data types that determine a barcode test are ...

Page 75: ...ress Edit 2 Press Edit select the sequence to be edited and press Delete 3 Press New and use the alphanumeric keypad to enter the process indicated in the process specification Formula Definition of the evaluation formulas with which the test result is calculated Variables The number of variables shown in the display depends on the definition of the measurement process and the formulas Input of th...

Page 76: ...data overview and tap on Edit 2 Select the variable tap on Edit and enter the data refer to process specification with the alphanumeric keypad for F1 F2 1 U1 etc Confirm each entry with OK Abbreviation of Variables F1 Factor 1 F2 Factor 2 1 Wavelength 1 U1 Conversion factor 1 for the first chemical form U2 Conversion factor 2 for additional chemical forms etc Timer 1 Timer 2 Timer 3 and Timer 4 Th...

Page 77: ...pecification 5 5 5 4 Update via the Internet Update via USB memory stick To obtain the software for the update from the Internet at www hach com 1 Go to http www hach com 2 Select the country 3 Enter DR 6000 in the Search field 4 Navigate to the corresponding file for download 5 Save the file to a USB storage device or PC 6 Press Instrument Update in the System Check menu 7 Connect the USB memory ...

Page 78: ...not available is shown followed by a data overview with the specifications of the test that is to be revised The process specification of the corresponding test contains the new data Wavelength Factors Reading Ranges Conversion Factor for chemical form etc 3 Highlight the corresponding line including the specifications of the test that is to be programmed and press Edit 4 To finish programming pre...

Page 79: ...tc Modified tests Assignment of user programs to the Favorites menu for frequently used tests Creation of a specific selection of methods and tests 1 Select User Programs in the Main Menu 2 Select Program Options The Program Options menu contains several input and editing options Table 7 Table 7 Program options for user programs Options Description New Select New to program a new user program Note...

Page 80: ... query occurs as to whether the existing program should be replaced If you tap on OK the existing program is overwritten Program Name 4 Enter a program name via the alphanumeric keypad The name can be a maximum of 28 characters long 5 Press Back to go back to the previous program point or press Next to continue with the input of the program data Program type 6 Select the required program type Tabl...

Page 81: ... Press Continue Concentration resolution number of decimal places 1 Select the required number of decimal places to be displayed after the decimal point from the displayed list 2 Press Continue Table 8 Program descriptions Program type Description Single Wavelength Readings at a defined wavelength Multi Wavelength In the Multi Wavelength mode absorbance values can be measured at up to four wavelen...

Page 82: ...ogram Options Edit Select Units Edit and then New Absorbance formula Multi Wavelength program type Define the wavelengths and the coefficients used in the formula The absorbance formula defines the calculation for the multi wavelength reading 1 Press Formula 2 Select the formula relevant to the programming from the displayed list 3 Press OK to confirm the selection List of the available absorbance...

Page 83: ...ration values 1 Press the Kx buttons The number of the concentration factors results from the calculation formula 2 Enter the required factor 3 If necessary repeat until all the values for the formula have been entered 4 Press OK to confirm 5 Press Continue Note Up to 5 digit place values can be entered A maximum of 4 decimal places are possible Concentration resolution number of decimal places 1 ...

Page 84: ...ble by entering the concentration values and the corresponding absorbance values of the standard solutions be measured The absorbance values are applied in a diagram against the concentrations of the standard solutions The calibration curve is graphically presented page 84 Measure standards Create a calibration table by entering the concentration values of the standard solutions to be measured and...

Page 85: ...n the correlation coefficient r2 13 Tap on Back to go back to the values table or on Done to go to the methods overview 14 Go to section 6 1 1 4 page 87 Calibration using Measure standards 1 Press Measure standards 2 Press Continue 3 Press 4 Enter the standard concentration 5 Press OK to confirm 6 If necessary repeat until all values have been entered A maximum of 24 values can be entered Note To ...

Page 86: ...es The linear equation corresponds to the standard setting 13 Press Next graph The presentation changes to polynomial curve of the second order 14 Press Next graph The presentation changes to polynomial curve of the third order 15 Press Force 0 to change the setting from Off to On The curve then passes through the origin of the coordinate system Note This can have a detrimental effect on the corre...

Page 87: ...rogram data is shown on the display 1 To enter further specifications or make changes activate the corresponding line and tap on Edit 2 Select Store to save the user program Tap on Exit to go back into the main menu 6 1 1 5 Additional user defined parameters and functions In addition to the previously defined basic data additional parameters and functions can be defined for user programs measuring...

Page 88: ...emical form 1 was defined up to three additional alternative forms can be entered 1 Mark the Chemical form x row 2 Press Edit Activate or deactivate the chemical form using the check box in the left area of the display 3 Press the left key to enter an additional chemical form 4 Press OK to confirm 5 Press the right key to enter the conversion factor for this additional chemical form 6 Press OK to ...

Page 89: ...y be assigned to another user program the query occurs as to whether the existing program should be replaced If you tap on OK the existing program is overwritten Program name 4 Use the alphanumeric keypad to enter a program name The name can be a maximum of 28 characters long 5 Press Back to go back to the previous program point or press Next to continue with the input of the program data Program ...

Page 90: ...ote The entered reading sequence is displayed Table 10 Definitions of the program points Program point Description Name Name of the analysis parameter Version An abbreviation or version number assigned by the user is entered here Measurement process Exact definition of the test the number of wavelengths at which readings are carried out the number of absorbance readings needed the keys to be used ...

Page 91: ...is displayed Key Elements of the reading sequence that are to be repeated are placed in brackets The left bracket marks the start of the sequence that is to be repeated and the right bracket marks the end Note The button with the right parenthesis remains inactive until a left bracket is entered 1 To start the repetition sequence tap on 2 Tap on the key that defines the sequence to be repeated Z o...

Page 92: ...sample with reagent 2 Z Z1 1 Z2 2 R R1 1 R1 2 Two dual wavelength zero measurements two dual wavelength measurements of sample 3 Press OK 4 Input the wavelength and press OK to confirm The wavelength is displayed in the measurement process 5 Press Next 6 1 2 3 Enter the calibration formula evaluation formula The calibration formula evaluation formula defines the calculation and display of intermed...

Page 93: ...ors for conversion for example between two different chemical formulae Press to enter a mathematical operation Select the operation and press OK to confirm The available choice of mathematical operations depends on the defined formula This means that functions such as or ln log etc are only active if a term in parentheses or the calculation of a logarithm is mathematically permissible in the defin...

Page 94: ...ns in the formula The following functions are available Equal to Less than Greater than Less than or equal to Greater than or equal to IF THEN ELSE When the evaluation formula C1 has been entered completely press OK to confirm Press OK again to return to the Formula display When the formula C1 has been entered and confirmed the parameter name upper and lower limits of the measuring range and displ...

Page 95: ...s that are to be calculated are numbered in sequence C1 C2 C3 etc Note Whenever a Cn formula is defined the Formula list is automatically increased by Cn 1 8 Once the formula has been entered define the unit designation upper and lower limit and display of the formula as done previously for C1 9 Once all necessary formulae have been defined press Done 6 1 2 4 Enter an amount during a measurement I...

Page 96: ...nd display of the formula as done previously for C1 9 Once all necessary formulae have been defined press Done Please note the following for the input of amounts and calculation of the end result Enter the following formula to calculate the weight specific result Cx C mg L result x 10 Cy amount Amount in g 100 mL If during the analysis there is a prompt to enter the amount of the sample enter the ...

Page 97: ...ser program 1 Press Store to save the entered data The data can be stored under any data point measurement sequence formula timer etc 6 1 3 Select a user program 1 Press User Programs in the Main Menu An alphabetical list of user programs with program numbers is displayed Note Use the scroll bar to scroll through the list quickly Note Highlight the selection by pressing it or Select by Number to s...

Page 98: ...te to delete the selected program Note If the stored program is deleted in User Programs it will also be deleted in Favorites Programs 6 1 4 1 Add to Favorites 1 Press Add to Favorites 2 Press OK to confirm The program is added to the Favorites 6 1 4 2 Edit 1 Press Edit 2 Press OK to confirm A data overview that contains the specifications of the programmed test is shown More information can be fo...

Page 99: ...am 1 Press Favorite Programs in the Main Menu The Favorite Programs list will appear 2 Highlight the selection by pressing it Note Use the scroll bar to scroll through the list quickly Note Press Select by Number to search for the program by number Use the alphanumeric keypad to enter the test number program number and confirm the input by pressing OK 3 Press Start 6 2 2 Delete a favorite program ...

Page 100: ...rting absorbance readings to concentration In a graph of concentration versus the absorbance the concentration factor is the slope of the line 6 3 1 Set up Single Wavelength mode 1 Press Single Wavelength in the Main Menu 2 Press Options for Parameter Setup Table 12 Options for Single Wavelength Options Description More For further Options Recall measurement data symbol Recall saved measurement da...

Page 101: ...tion Resolution To select the number of decimal places Save as User Program To store the selected parameters as a User Program refer to section 6 1 page 79 Reading Mode Single Reading One measurement result is shown after tapping on Read Continuous Readings After the zero measurement all readings are displayed automatically and continuously Carousel 1 inch square Optional measurement of carousel i...

Page 102: ...ter the zero reading has been completed 3 Insert the analysis cell into the cell compartment 4 Press Read 5 For data storage refer to section 5 3 1 page 44 6 4 Multi Wavelength mode readings with 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 relationshi...

Page 103: ...ctions as a stopwatch It helps to make sure that the steps of an analysis are correctly timed e g reaction times wait times etc can be exactly specified When the specified time has elapsed a sound is emitted The use of the timer has no influence on the reading program Concentration Factor Multiplication factor for converting absorbance values into concentration values Concentration Resolution To s...

Page 104: ...n 6 To change the wavelength press the x key 7 Enter the required wavelength factor using the alphanumeric keypad 8 Press OK to confirm the selection 9 To change a coefficient press one of the KX keys 10 Enter the required coefficient using the alphanumeric keypad 11 Press OK to confirm the selection Note Up to 5 digit numeric values can be entered A maximum of four decimals places are possible Co...

Page 105: ...ete a reading in the Multi Wavelength mode 1 Insert the zero solution cell into the cell compartment 2 Press Zero Note The Read key does not become active until the zero reading has been completed 3 Insert the analysis cell into the cell compartment 4 Press Read 5 For data storage refer to section 5 3 1 page 44 6 5 Wavelength Scan mode recording of absorbance and transmission spectrums In the Wave...

Page 106: ...am View Table Graph Enables the switching between the display of tabular scan data wavelength absorbance and the graphical representation of the curve Note View Table is activated after the first measurement Cursor Mode To select Track or Peak Valley The selection for this menu option determines to which points on the graph the cursor moves Send Data To send data to a printer computer or USB memor...

Page 107: ...rval selected the faster the scan runs In contrast the resolution of the determined data decreases In total a maximum of 910 measuring steps can be accomplished during a scan Note The maximum wavelength adjusts automatically if the difference between the maximum and minimum wavelength is not a multiple of the interval 9 Press OK to return to the Scan mode Selected parameters are displayed along th...

Page 108: ... the selected range If automatic scaling is selected the instrument sets the limits automatically so that the total range can be displayed 4 Press OK 5 Press Return to return to the Scan mode Reading Mode The Reading Mode functions enable the sample to be analyzed with a single reading or with an optional carousel insert sample changer Single Reading A single reading is taken after Read is pressed...

Page 109: ...ptions Store symbol 6 5 2 1 Navigation of the wavelength scan graph or a wavelength scan analysis 6 5 3 Work with reference scans There are three options for working with the Reference Scan function Table 15 Navigating the wavelength scan Cursor function Zoom function Description Curve Icon Choice of Cursor mode Choice of Cursor mode Peak Valley cursor moves between minimum maximum absorbance valu...

Page 110: ...e display The orange box relates to the reference scan and the blue one relates to the current wavelength scan 3 Carry out the measurement of the wavelength scan refer to section 6 5 2 page 108 The graph of the newly measured wavelength scan is shown in blue The absorbance or transmittance value and the associated wavelength are highlighted in blue The display also shows the difference between the...

Page 111: ...current wavelength scan 5 Tap on the blue or orange colored field in the left top corner of the display to switch between the measured wavelength scan and the reference scan Third option Comparison of two already existing scans from the measurement data memory 1 Call up the measurement data in the main menu under Recall Data Wavelength Scan 2 Select the first scan 3 Tap on Reference in the Options...

Page 112: ...lps to make sure that the steps of an analysis are correctly timed e g reaction times wait times etc can be exactly specified When the specified time has elapsed a sound is emitted The use of the timer has no influence on the reading program Scale Units Scale In the automatic Scaling mode the y axis is automatically adjusted so that the total scan is displayed The manual Scaling mode allows sectio...

Page 113: ...in and y max can be entered using the alphanumeric keypad The graph is adjusted to display only the values in the selected range If automatic scaling is selected the instrument sets the limits automatically so that the total range can be displayed 4 Press OK to confirm 5 Press Return to return to the Scan mode Reading Mode The Reading Mode functions enable the sample to be analyzed with a single r...

Page 114: ... a significant change for example the addition of a sample or of another reagent can be highlighted The mark is also shown in the table Select Stop to stop taking sample readings 6 6 3 Analysis of time course data After the Time Course data has been collected the following manipulations can be done on the graphic data The Time Course Program is complete if the instruments beeps after completion of...

Page 115: ...correspondingly highlighted and displayed on the x and y axes The gradient of the curve and the correlation coefficient r2 between the cursor points in the Delta mode are shown under the curve Cursor mode single The cursor moves to each selected measuring point of the scan Arrow keys The arrow keys right left are used to move the cursor depending on the selected mode to the next data point The dat...

Page 116: ...Press OK The link is established automatically and the software is updated 9 Press OK to return to the System Check menu Note After the instrument update a prompt to restart the instrument will be displayed 6 7 3 Optical Checks 1 Press Optical Checks in the System Check menu The Optical Checks menu contains programs for checking the wavelength accuracy stray light and photometric accuracy An optio...

Page 117: ...nce queries values filters wavelength nominal values and tolerances given in the quality control certificate to the following specifications Stray light Photometrical accuracy Wavelength accuracy 4 Press OK when all values are entered and the overview is displayed 5 Press Verification 6 Insert the universal cell adapter Figure 3 Page 21 into the cell compartment 2 7 Remove any cells from the cell ...

Page 118: ...stored automatically as CSV files Comma Separated Value The file name will be formatted as Verification csv 6 7 3 2 Wavelength check The Wavelength Check test is used to check wavelength accuracy at 656 1 nm and 486 0 nm The bandwidth is checked at 656 1 nm 1 Select Wavelength Check from the Optical Checks menu 2 Press to select the wavelength 3 Press OK to confirm 4 Press Start Note During the UV...

Page 119: ...the cell compartment 2 7 Close the cell compartment cover 8 Press Start The mean value is calculated from three consecutive absorbance measurements The result will be displayed 9 Compare the result with the required value from the analysis cell 10 Press Cancel to return to Optical Checks 6 7 3 4 Absorbance Check With the absorbance check the photometric accuracy and repeatability of the device is ...

Page 120: ...son measurements have been obtained The result will be displayed 17 Compare the result with the analysis cell required values 18 Press Cancel to return to Optical Checks 6 7 3 5 Noise Check With the noise check the photometric noise in the device is checked This test can be used to test the noise at any wavelength during use of a sample that corresponds to the absorbance level of this wavelength 1...

Page 121: ... Drift Check With the drift check the stability of the device is checked Note The drift check lasts one hour 1 Press Drift Check in the Optical Checks menu 2 Press to select the wavelength 3 Enter the wavelength and press OK to confirm your selection 4 Press Start The drift check lasts one hour This test takes a reading every minute for one hour Every fifteen minutes linear regression is used to c...

Page 122: ...lable Section 9 Page 143 6 7 4 1 AQA Standard configuration The working method photometers and accessories can be checked by the analysis of a standard solution 1 Press AQA Standard A screen with standard sets opens not available on all models alternatively an individual standard can be defined 2 Select Options New to define a new standard Note If a standard has not yet been defined in some models...

Page 123: ...ons New to define a new standard 9 Select Options Reminder to enter an automatic interval when a standard analysis is required to be carried out 10 Press On 11 Select the required interval Press OK to confirm the entry 12 Select a unit for the interval Press OK to confirm the entry ...

Page 124: ...erval and the system will automatically issue a prompt to add an analysis Press OK to confirm the entry 4 Define the required unit for the interval Press OK to confirm the entry 6 7 4 3 Multiple Determination 1 Press Multiple Determination 2 Press Reminder Off 3 Press On 4 Select the required interval Press OK to confirm the entry 5 Select a unit for the interval Press OK to confirm the entry ...

Page 125: ...actor Press OK to confirm 6 Enter the tolerance as a percentage Press OK to confirm 7 Press OK to confirm all the entries 6 7 4 5 Performing AQA measurement If a reminder function has been set once the set interval has elapsed the requirement to perform an AQA measurement is issued 1 Select the required AQA measure for example a standard measurement here 2 Perform the standard measurement via stor...

Page 126: ...length and the upper and lower tolerance limits 5 Select Close 6 Select the pipette to be checked from the selection list and press Start 7 Insert the zero cell and press Zero A zero measurement is performed 8 Insert the analysis cell and press Read A measurement is performed A test log indicating the target and actual value and whether or not the test has been passed is shown 9 Press the PC Print...

Page 127: ...ent Backup offers the opportunity to store all programs measurement data user IDs passwords as well as all adjustable data on a USB stick 1 Press Instrument Backup in the System Check menu 2 Insert the USB stick refer to section 3 5 page 20 3 Press Store to start a Backup If the file was stored the message Instrument Backup is stored will be displayed 4 Press OK to return to the System Check menu ...

Page 128: ...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 Check menu 2 Activate the On checkbox 3 Press Last service 4 Enter the date of the last service 5 Press OK to confirm the selection 6 Activate the options field under Next service 7 Select a time interval for the next service 8 Pres...

Page 129: ...le tap on Reset VIS The data for the visible lamp is reset to 0 To reset the data for the deuterium lamp UV tap on Reset UV Data relating to the UV lamp is reset to 0 3 Press OK to return to the System Check menu 6 8 Toolbar The right of the display contains a toolbar with various programs Many of these programs can also be called up via a menu but the operation is the same 6 8 1 Log on Use this f...

Page 130: ...n the toolbar press Timer 2 Enter the required time and confirm with OK The count down starts automatically 3 Press Close to let the timer run in the background Press Cancel to stop the timer 4 When the timer has finished a sound is emitted 6 8 4 AQA The AQA menu contains the programs for testing the analytical quality For example this controls the individual working method with standard solutions...

Page 131: ...ange of measurement values between online process probes and the DR 6000 This enables online data to be verified and process probes to be corrected as necessary The online data is sent to the DR 6000 in a job file After the laboratory measurement values have been produced the job file is sent to the controller again for the corresponding probe to be corrected Data transfer is either via memory car...

Page 132: ...132 Expanded programs ...

Page 133: ...y with a soft lint and oil free cotton cloth Diluted window cleaner liquid can also be used CAUTION Potential Chemical Biological Eye and Skin Hazards Only qualified personnel should conduct the tasks described in this section of the manual NOTICE Remove all cells remaining in the instrument Dispose of the cells or their contents in an authorised manner DANGER Chemical exposure hazard Gas from a c...

Page 134: ...re dried 7 2 Lamp replacement 7 2 1 Open the lamp compartment 1 Switch off instrument 2 Remove the power cable from the instrument 3 Remove all other devices keyboard USB etc 4 Turn the instrument around to allow for lamp access 5 Use a cross head screwdriver to undo the screws on the lamp compartment cover Figure 6 step 1 6 Remove the cover Figure 6 step 2 Figure 6 Open the lamp compartment CAUTI...

Page 135: ...ward 2 Place the lamp along with the connector back in the lamp holder 3 Secure the lamp with the clamp slide To do this push the connector against the lamp holder and push the clamp slide downward as far as possible 4 Put the lamp compartment cover back into position 5 Use a cross head screwdriver to tighten the cover screws 6 Turn the instrument back to the correct position C A U T I O N Burn ha...

Page 136: ...g cable and attachment screws is discarded Figure 8 Change deuterium lamp To fit a new lamp carry out the procedure in reverse 1 Hold the deuterium lamp by the cables and insert into the lamp holder carefully from above 2 Hand tighten the two attachment screws CAUTION Burn hazard Wait until the lamp cools down Contact with the hot lamp can cause burns DANGER Risk of electric shock Disconnect the i...

Page 137: ...nths in a relatively dust free area this interval can be longer 1 Switch off instrument 2 Remove the power cable from the instrument 3 Remove all other devices keyboard USB etc 4 Turn the device round to allow work access at the rear 5 Press down the catch on the filter pad cover to open Figure 9 steps 1 and 2 6 Inspect the filter pad Replace the filter pad if is dark gray or black 7 To replace th...

Page 138: ...138 Maintenance 7 4 Replace fuses 1 Remove the cover below the power switch containing the fuses ...

Page 139: ...the particles to settle Fault Test program stopped Please check lamp Close the lid Error xx Test program stops when the instrument is started Check the lamp and replace it if necessary Close lid Press Start Again Fault Test program stopped Please remove the cuvette Close the lid Test program stops when the instrument is started Remove the cuvette sample cell from the cell compartment Press OK Erro...

Page 140: ...ly erroneous due to interferences Next service is due Contact technical support for an inspection of the instrument For setting the service reminder refer to section 6 7 7 page 128 Negative result The calculated result is negative Check concentration of sample Unstable lighting conditions Avoid direct sunlight at the measuring location System check incorrect Measurement of air values failed Switch...

Page 141: ...again Error during default gateway setup Network setup default gateway cannot be set for fixed IP address Try to create the connection again Error during network drive setup Error during network setup The target directory does not exist Check the settings Define target directory Error during subnet mask setup Network setup Subnet mask cannot be set for fixed IP address Enter the subnet mask again ...

Page 142: ...142 Troubleshooting ...

Page 143: ...xtension cable 1 m LZV567 Certified test filter set for self checks verification kit LZV537 Verification kit for self checks liquid LZV810 Protective film for DR 3900 6000 display LZV874 Thermal printer Citizen PD 24 EU power cable 5835900 00 Thermal printer Citizen 24 UK power cable 5835900 82 Thermal printer Citizen PD 24 US power cable 2960100 Thermal printer Citizen PD 24 CH power cable 583590...

Page 144: ...lamp A23778 Deuterium lamp A23792 Universal cell adapter LZV902 99 00020 Power cord EU YAA080 Power cord CH XLH051 Power cord UK XLH057 Power cord US 1801000 Power cable China Australia XLH069 Fuse A23772 Filter pad LZV915 Dust cover LZV886 USB interface protection LZV881 ...

Page 145: ...145 Section 10 Contact ...

Page 146: ...146 Contact ...

Page 147: ...al jurisdiction Damage caused by misuse neglect accident or improper application or installation Damage caused by any repair or attempted repair not authorized by Hach Company Any product not used in accordance with the instructions furnished by Hach Company Freight charges to return merchandise to Hach Company Freight charges on expedited or express shipment of warranted parts or product Travel f...

Page 148: ...arranty warranty On the basis of strict liability or under any other legal theory in no event shall Hach Company be liable for any incidental or consequential damages of any kind for breach of warranty or negligence ...

Page 149: ...ams 1 Press Stored Programs in the Main Menu to view an alphabetical list of stored programs with program numbers Highlight the required test and press Start 2 Press the information icon 3 The first procedure step according to the selected test method will be displayed Note Use the arrow keys to navigate through the next or previous pages or to the first or last page 4 Follow the descriptions of t...

Page 150: ...inue with the test A 2 Display of the Help Guide for barcode programs 1 Press Barcode Programs in the Main Menu Refer to section 5 5 page 70 for more information 2 Press the information icon 3 The list of barcode tests is shown in ascending numerical order 4 Select the required test 5 Prepare the barcode test in accordance with current process specifications and follow the step by step instruction...

Page 151: ...e test 7 Press Information symbol to go back to the last current page of the Help Guide and complete the test 8 Insert the zero cell or sample cell corresponding to the process specification into the cell compartment The reading is started automatically and the results are displayed ...

Page 152: ...152 Help Guide ...

Page 153: ... Date and time 35 Default Gateway 41 Dilution Factor 59 60 72 Display 25 44 133 Display and Sound 36 Disposal 11 Documentation overview 131 Drift Check 129 E Editing Tests 68 Error and display messages 139 Ethernet communication 39 Ethernet port 20 F Factory Service 128 Favorites 26 68 99 Favourites 98 deleting 99 editing 98 recalling 99 Filter Settings 46 Formula 75 76 Free programming 95 97 98 9...

Page 154: ...128 Single Wavelength 26 81 84 100 101 Software 78 116 Source lamp 9 Specifications 9 Spectral bandwidth 9 Standard Addition 59 Standard Adjust 59 61 Startup melody 23 Startup process 23 Stored Data 45 Stored Programs 26 57 58 59 60 61 62 68 72 100 103 106 112 Send Data 58 Stray light 9 Stray Light Check 119 Subnet Mask 41 System Check 23 128 System Checks 26 115 118 119 127 128 129 T Time Interva...

Page 155: ...155 Index Wavelength resolution 9 Wavelength Scan 26 50 51 52 105 106 107 109 Wavelength selection 9 Wavelength setting 112 Wavelength spectrum 106 ...

Page 156: ...156 Index ...

Search results

Summary of Contents for DR 6000

Reviews:

Brands by name

Popular brands

Hach DR 6000, User Manual

Search results

Summary of Contents for DR 6000

Reviews:

Brands by name

Popular brands