HACH LANGE DR 3900 User Manual
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HACH LANGE DR 3900 User Manual

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DOC022.52.90323
DR 3900
USER MANUAL
01/2011 Edition 1B
© HACH-LANGE GmbH, 2011. All rights reserved. Printed in Germany.

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  • Page 1 DOC022.52.90323 DR 3900 USER MANUAL 01/2011 Edition 1B © HACH-LANGE GmbH, 2011. All rights reserved. Printed in Germany.

  • Page 3: Table Of Contents

    Table of Contents Section 1 Specifications ........................9 Section 2 General Information......................11 2.1 Safety information..........................11 2.1.1 Precautionary labels ........................ 11 2.1.2 RFID module (not available on all models) ................12 2.1.3 Chemical and Biological Safety ....................12 2.2 Overview of product.......................... 13 Section 3 Installation ..........................
  • Page 4 Table of Contents 5.2 Instrument Setup ..........................27 5.2.1 Operator ID..........................27 5.2.1.1 Operator RFID tag (not available on all models) .............28 5.2.2 Sample ID..........................29 5.2.2.1 Sample ID with scanner method 1...................30 5.2.2.2 Sample ID with scanner method 2...................30 5.2.3 Sample ID and operator ID with the optional RFID Sample ID Kit (not available on all models)......................31 5.2.4 Security settings ........................31 5.2.4.1 Assign operator security level..................33...
  • Page 5 Table of Contents 5.4 Stored Programs..........................57 5.4.1 Select a saved test/method; entering user-specific basic data ..........57 5.4.2 Stored programs options......................57 5.4.3 Use of program timers ......................59 5.4.4 Set the dilution factor ....................... 59 5.4.5 Run a standard adjust......................60 5.4.6 Set the chemical form ......................
  • Page 6 Table of Contents Section 6 Advanced operations......................73 6.1 User programs...........................73 6.1.1 Program a user method......................74 6.1.1.1 Single wavelength settings ....................75 6.1.1.2 Multi wavelength settings ....................76 6.1.1.3 Calibration settings for single and Multi Wavelength mode..........78 6.1.1.4 Store a user program.......................81 6.1.1.5 Additional user-defined parameters and functions ............81 6.1.2 "Free programming"...
  • Page 7 6.9.2 Sample ID ..........................125 6.9.3 Timer............................125 6.9.4 AQA ............................125 6.9.5 Trends............................ 126 6.9.6 Link2SC ..........................126 6.9.7 Website DR 3900........................126 Section 7 Maintenance ........................127 7.1 Cleaning requirements........................127 7.1.1 Spectrophotometer ........................ 127 7.1.2 Display ........................... 127 7.1.3 Cuvettes/cells.........................
  • Page 8 Table of Contents Section 10 Contact ..........................139 Section 11 Warranty, liability and complaints...................141 Appendix A Help Guide ........................143 A.1 Display of the Help Guide for stored programs................143 A.2 Display of the Help Guide for barcode programs................144 Index ..............................147...

  • Page 9: Section 1 Specifications

    Section 1 Specifications These are subject to change without notice! Performance specifications Operating mode Transmittance (%), Absorbance and Concentration Source lamp Halogen lamp Wavelength range 320–1100 nm Wavelength Accuracy ± 1.5 nm (wavelength range 340–900 nm) Wavelength reproducibility ± 0.1 nm Wavelength resolution 1 nm Wavelength calibration...
  • Page 10 Specifications...

  • Page 11: Section 2 General Information

    Section 2 General Information Safety information Please read this entire manual before unpacking, setting up, or operating this equipment. Pay attention to all danger and caution statements. Failure to do so could result in serious injury to the operator or damage to the equipment. To make sure that the protection provided by this instrument is not impaired, do not use or install this instrument in any manner other than that specified in these operating instructions.

  • Page 12: Rfid Module (Not Available On All Models)

    DR 3900 (model with RFID module) is currently permitted in the following countries: EU, CH, NO, HR, RS, MK, TR, CY, US, CA, AU, NZ. The manufacturer advises that the use of the DR 3900 (model with RFID module) outside of the above-mentioned regions may contravene national laws.

  • Page 13: Overview Of Product

    Overview of product The DR 3900 is a VIS spectrophotometer with a wavelength range of 320 to 1100 nm. The instrument is delivered with a complete series of application programs and supports several languages.
  • Page 14 General Information...

  • Page 15: Section 3 Installation

    • Benchtop power supply with power cord for EU • Cell adapter A • Light shield, fitted as standard in the DR 3900 • Operator RFID tag (not available on all models) • Basic operating instructions DR 3900, operating instructions LINK2SC •...

  • Page 16: Front And Back View

    Installation Front and back view Figure 1 Front view USB port type A On/off switch Cell compartment cover RFID module (not available on all models) Touch screen...

  • Page 17: Power Connections

    Installation Figure 2 Back view Ethernet port USB port type A USB port type B Connection for benchtop power supply Power connections WA R N I N G Electrical and fire hazards.  Only use the supplied benchtop power supply LZV844. 1.

  • Page 18: Interfaces

    Installation Interfaces The DR 3900 features three USB ports and one Ethernet port as standard, located on the front and rear sides of the instrument (Figure 1 Figure 2, page 17). The USB type A ports are used for communications with a printer, USB memory stick or keyboard.
  • Page 19 Installation Figure 3 Cell compartments Cell compartment for round cells (1) Cell compartment for rectangular cells (2) Figure 4 Cell adapter Cell adapter A: 10-mm rectangular cells/1-inch round cell...

  • Page 20: Installation Of Cell Adapter

    Installation 3.6.2 Installation of cell adapter 1. Open the cell compartment. 2. Place the cell adapter into cell compartment (2) so that the arrow on the cell adapter points to the rear (Figure Note: The arrow on top of the cell adapter indicates the direction of the light beam path.

  • Page 21: Use Of The Light Shield For Measurements

    13-mm round cells are used in the cell compartment (1). Insert the light shield into cell compartment (2) before performing measurements in cell compartment (1). The DR 3900 is shipped with the light shield installed. Remove the light shield before using cell compartment (2). Figure 6...

  • Page 22: Beam Path

    Installation Beam path Figure 7 shows the beam path of the DR 3900. Figure 7 Beam path Halogen lamp Splitter mirror Entrance slit Reference element Grating 10 Cell compartment (2) for rectangular cells Grating angle indicator 11 Lens Exit slit...

  • Page 23: Section 4 Startup

    Language selection The DR 3900 software includes several language options. The first time the instrument is switched on, the language selection screen will be shown automatically after the startup process.

  • Page 24: Sleep Mode

    Startup Sleep mode The instrument can be put into sleep mode. 1. Briefly press the power button next to the display. The "Sleep mode" message is shown. The display will then switch off automatically. 2. To switch on, press the power button next to the display. The self-check will start automatically.

  • Page 25: Section 5 Standard Programs

    Section 5 Standard programs Overview 5.1.1 Tips for the use of the touch screen The whole screen responds to touch. To choose an option, tap with a fingernail, fingertip, an eraser or a specialised stylus. Do not press the screen with a sharp object, such as the tip of a ballpoint pen.

  • Page 26: Main Menu

    Stored programs are pre-programmed methods that make use of HACH chemicals and HACH-LANGE pipette tests. Stored Programs / Barcode Programs The DR 3900 Procedures Manual contains illustrated, step-by-step procedures for analyses (HACH-LANGE programs) using HACH programs. The working procedures for HACH-LANGE tests are included in the test packs.

  • Page 27: Instrument Setup

    Standard programs Instrument Setup 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 ten characters each) into the instrument.

  • Page 28: Operator Rfid Tag (Not Available On All Models)

    Standard programs 10. Press Back to return the instrument to the "Instrument Setup" menu. Press Logout to log out of an active operator ID. Press Login to activate a selected operator ID. Press Options to enter, change or delete additional operator IDs.

  • Page 29: Sample Id

    Standard programs 5.2.2 Sample ID Use this option to enter up to 100 Sample Identification tags (up to 20 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 toolbar on the right. 2.

  • Page 30: Sample Id With Scanner Method 1

    Standard programs 9. Press New to enter another sample ID. Press Delete to delete a sample ID. Press Edit to edit a sample ID. Press Initialize RFID Tag to write the sample ID to an optional location RFID tag (not available on all models). 5.2.2.1 Sample ID with scanner method 1 1.

  • Page 31: Sample Id And Operator Id With The Optional Rfid Sample Id Kit (Not Available On All Models)

    The operator and location RFID tags can be written to and read in by the RFID module in the DR 3900 as often as required. More information can be found in the user manual for the LOC 100 RFID Locator.
  • Page 32 Standard programs 4. Press Security List to use various functions with security level 1 or 2. 5. Select the required function and press Setup. 6. Select the required security level (two keys, one keys or off) and confirm using OK. 7.

  • Page 33: Assign Operator Security Level

    Standard programs 5.2.4.1 Assign operator security level Every operator with an operator ID can be assigned a security level. This is connected to the operator password. Setup must be coordinated with the security administrator and the operator. 1. Press Operator ID in the "Instrument Setup". 2.

  • Page 34: Deactivate Password

    Standard programs 9. Press OK. The operator ID is displayed with the selected security level. 10. Activate the selected operator ID by pressing Login. 11. Enter the operator password. 12. Confirm with OK and return to "Instrument Setup". 5.2.4.2 Deactivate password 1.

  • Page 35: Date And Time

    Standard programs 5.2.5 Date and time 1. Press 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. 6.

  • Page 36: Sound Settings

    Standard programs 7. Enter the current date and time. Change the information using the arrow keys. 8. Press OK to confirm the entry. The instrument will return to "Instrument Setup". 5.2.6 Sound settings 1. Press Sound Settings in "Instrument Setup". The following options will be displayed: •...

  • Page 37: Pc And Printer

    This USB port can be used to connect a printer, a USB memory stick or a keyboard. This USB port is only intended for the connection of the DR 3900 to a PC (with installation of the USB (Type B) corresponding software).

  • Page 38: Print Data

    Standard programs Printer Setup: • Resolution: Font size • Paper: Paper size Note: If an optional Thermal Printer is connected, the function "Auto Send" on/off is available. 4. Press Resolution to select the print quality. Select between: • 100 dpi, •...

  • Page 39: Print Data Continuously

    An IP address is used to send data from a sender to a pre-defined recipient. • If the IP for the DR 3900 is automatically issued in the network, no further settings are necessary. A hostname can optionally be assigned.
  • Page 40 Standard programs 5. Select Fix to configure the IP address. 6. Press IP address and enter the address. In conjunction with the IP address of an instrument, the subnet mask establishes which IP addresses are located within the local network. 7.
  • Page 41 Standard programs 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 described here. The target site can be defined by IP address or a server name.

  • Page 42: Power Management

    Standard programs User and password must be identical to the settings on the target system. 15. Press User and enter the username. 16. Press OK to confirm. 17. Press Password and enter the password. 18. Press OK to confirm the entry. 19.

  • Page 43: Save, Recall, Send And Delete Data

    Standard programs 4. Select Power Off Timer and press OK. 5. Select the required time span after which the instrument will automatically be powered off if it is not used, and confirm with OK. 6. Press OK to confirm the entry. The instrument then returns to "Instrument Setup".

  • Page 44: Recall Stored Data From The Data Log

    Standard programs 5.3.1.2 Recall stored data from the data log 1. Press Recall Data in the Main Menu. 2. Press Data Log. A listing of the stored data is displayed. 3. Press Filter: On/Off.  The function Filter Settings is used to search for specific items.

  • Page 45: Send Data From The Data Log

    To send data to a printer, refer to Section 5.2.7.2, page 1. Plug the USB storage device into the USB type A port on the DR 3900, or connect the DR 3900 to a network drive (refer to Section 5.2.7.4, page 39).

  • Page 46: Delete Stored Data From The Data Log

    Standard programs 5. Select the data to be sent. The following 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.
  • Page 47 Standard programs 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. 8. Press Standard Control Chart to choose the control chart of the selected standard.

  • Page 48: Store, Recall, Send And Delete Data From Wavelength Scan And Time Course

    Standard programs 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 20 datasets for the Wavelength Scan and 20 datasets for the Time Course.

  • Page 49: Recall Stored Data From Wavelength Scan Or Time Course

    Standard programs 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.

  • Page 50: Delete Stored Data From Wavelength Scan Or Time Course

    Standard programs • If a USB memory stick is connected, the files will be automatically sent to the USB memory stick as xml or csv files in the file folder "WLData (data of a wavelength scan) or "TCData" (data of a time course). The file name will be formatted as: "ScanData_X.csv"...

  • Page 51: Data Analysis

    Standard programs 5.3.4 Data analysis Consistent use of the sample ID function is necessary for all data analysis functions. Only data with identical sample IDs can be used in data analysis functions. Use the Trends function to display a time-variation curve for the stored readings for each parameter and location.
  • Page 52 Standard programs 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. 7. Select the required data analysis interval or the start and end date, and press Next to confirm.

  • Page 53: Ratios

    Standard programs The trend can be displayed in several formats, as a line or a point. 11. Select Information to see an overview of 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.
  • Page 54 Standard programs 4. Press New, to define a new ratio analysis. 5. Select the required sample ID and 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.
  • Page 55 Standard programs 8. Select parameter III with the smallest concentration and press Next to confirm. 9. Select the required data analysis interval. It is possible to select a fixed interval and an specific customised interval with start and end dates. 10.

  • Page 56: Interference Check (Not Available On All Models)

    Values outside the defined limits are displayed in red. 5.3.4.3 Interference Check (not available on all models) The DR 3900 automatically tests for interfering ions. Typical interferences, such as chloride for nitrate, are recognised from defined concentrations and a warning is displayed. This check is only carried out for barcode tests that are indicated with identical sample IDs.

  • Page 57: Stored Programs

    Standard programs Stored Programs Over 200 pre-programmed processes can be recalled using the Stored Programs menu. Stored Programs do not include barcode tests. 5.4.1 Select a saved test/method; entering user-specific basic data 1. Press Stored Programs in the Main Menu to view an alphabetical list of stored programs with program numbers.
  • Page 58 Standard programs Table 4 Stored programs options Options Description More For further Options With the Store On setting, all measurement data is stored automatically. With the Store Off Store Off/On setting, no measurement data is stored. % Trans/Conc/Abs To switch to % transmittance, concentration or absorbance readings Send Data icon / To send data to a printer, network drive, computer or USB memory stick (USB type A or Ethernet Send Data...

  • Page 59: Use Of Program Timers

    Standard programs 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.

  • Page 60: Run A Standard Adjust

    Standard programs Note: When a dilution is in effect, the dilution icon will appear on the display. Note: If using undiluted samples, set the dilution factor off again. 5.4.5 Run a standard adjust The Standard Adjust functions allows the calibration curve for a stored program to be adjusted based on analysis of a known standard solution.

  • Page 61: Change Of The Default Setting Of The Chemical Form

    Standard programs 5.4.6.1 Change of the default setting of the chemical form 1. In the result display, press Options>More>Chemical Form. 2. A list of available evaluation forms appear. Select the new default setting. 3. Press Save as Default. The current result and all further readings will be displayed in the new chemical form.

  • Page 62: To Carry Out A Multiple Determination

    Standard programs Note: The reagent blank icon is shown in the result display (refer to arrow) when the function is active. 5.4.8 To carry out a multiple determination A sample can be measured several times using the multiple determination functions. 1.

  • Page 63: Update/Edit Tests (Not Available On All Models)

    Standard programs 4. Remove the zero solution cell from the cell compartment. Insert the sample cell into the cell compartment. 5. Press Read. The result will be displayed. Note: To define a sample dilution, press the Dilution key in the toolbar.

  • Page 64: 5.4.10.3 Program A New Test

    Standard programs The Data list of the corresponding test will appear. 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 in the data overview and press Edit.

  • Page 65: Barcode Programs

    Standard programs 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 analysis and calculates the result immediately with the help of the stored factors.

  • Page 66: Select The Chemical Evaluation Form

    Standard programs 5.5.2 Select the chemical evaluation form The chemical form of the test result of a number of parameters can be selected individually. 1. In the result display, press the unit (e. g. mg/L) or the chemical representation of the evaluation form (e. g. 3–...
  • Page 67 Standard programs Table 5 Barcode program options Options Description More For further Options Store: On stores all measurement data automatically Store Off/On Store: Off does not store any measurement data. Abs % Trans To switch to % transmittance or absorbance readings Send Data icon / To send data to a printer, computer or USB memory tick (USB A) or network.

  • Page 68: Sample Blank

    Standard programs 5.5.4 Sample blank Turbidity and colour 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 colour can be eliminated or reduced by taking a sample blank reading.

  • Page 69: Manual Update Of A Barcode Test

    Standard programs 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 described in Table Table 6 Program update options Program point...
  • Page 70 Standard programs Enter the measurement process For detailed information on entering the measurement process, refer to Section 6.1.2, page Check the process specification in advance to determine whether this point needs to be changed. 1. Highlight the Measurement process line in the data overview and press Edit.

  • Page 71: Manual Check/Revision Of Test Data

    1. Go to http://www.hach-lange.com. 2. Select the country and go to Download>Software. 3. Enter DR 3900 in "Search for documents". 4. Locate the appropriate download file. 5. Open the ZIP file and save the files to the USB memory stick or PC.

  • Page 72: Program A New Test

    Standard programs 8. Press OK. The link is established automatically and the software is updated. 9. Press OK to return to the "System Check" menu. Update via the web function 1. Connect the instrument to the network via an Ethernet cable. 2.

  • Page 73: Section 6 Advanced Operations

    Section 6 Advanced operations 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 for specific needs. User programs with 13 mm round cells can only be performed with the empty cells LCW906.

  • Page 74: Program A User Method

    Advanced operations 6.1.1 Program a user method All input steps and their significance and options are explained in the following sections. 1. Select New in the "Program Options" menu. 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.

  • Page 75: Single Wavelength Settings

    Advanced operations Table 8 Program descriptions Program type Description Single Wavelength Readings at a defined wavelength In the Multi Wavelength mode, absorbance values can be measured at up to four wavelengths Multi Wavelength and the results can be mathematically processed to obtain sums, differences and relationships. A high degree of flexibility results in individual options to create a user program.

  • Page 76: Multi Wavelength Settings

    Advanced operations Chemical form: 1. Enter the chemical formula used in the display to represent the analysis parameter. 2. Press Continue. 6.1.1.2 Multi wavelength settings When selecting the Multi-Wavelength mode, the following parameters can be defined: Units: 1. Select the required unit from the list. 2.
  • Page 77 Advanced operations Wavelength  1. Press the  buttons. The number of wavelengths results from the calculation formula. 2. Enter the required wavelengths. 3. If necessary, repeat until all values for the formula have been entered. The wavelengths must be in the range from 320–1100 nm. 4.

  • Page 78: Calibration Settings For Single And Multi Wavelength Mode

    Advanced operations 6.1.1.3 Calibration settings for single and Multi Wavelength mode A method is calibrated by determining the absorbance values of several standard solutions of known concentration. Create and save a calibration curve by entering values or measuring standards or entering formulas (Table Table 9 Calibration settings Option...
  • Page 79 Advanced operations 9. Press Graph. The entered data is shown as a calibration curve. Note: The correlation coefficient (r ) is shown on the left below the axes. The linear equation corresponds to the standard setting. 10. Press Next graph. The presentation changes to the polynomial curve of the second order.
  • Page 80 Advanced operations The entered and measured data is displayed in the table. Note: To delete a standard concentration, highlight the appropriate line and press the Delete icon. The timer icon shown in the display helps to make sure, when necessary, that the steps of an analysis are correctly timed (e. g. reaction times, wait time, etc., can be exactly specified).

  • Page 81: Store A User Program

    Advanced operations 3. Press the Formula key. A list of available formulas (linear and 2nd and 3rd order polynomial order) is displayed. Up to 4 coefficients can be entered, depending on the selected formula. 4. Press the required formula. According to the selected formula, the required factors (a, b, c...) are shown.

  • Page 82: Free Programming" Program Type

    Advanced operations Timer 1 / Timer 2 / Timer 3 / Timer 4: Up to four time intervals can be defined as timers with this function. Descriptions of the individual work steps, such as shaking, waiting, and stirring can be allocated to the timers. 1.
  • Page 83 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. Enter a program number between 9000 and 9099. The lowest available number appears automatically. 3.

  • Page 84: Measurement Process

    Advanced operations 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. Exact definition of the test: the number of wavelengths at which readings are carried out, the Measurement process number of absorbance readings needed, the keys to be used, any waiting periods between readings, etc.
  • Page 85 Advanced operations Content and definition of the keys [Z] key / Zeroing 1. Press [Z] to program a zero reading. 2. Press OK to confirm. 3. Press New. 4. Press Zeroing and enter the wavelength for which the zero reading is to be performed. 5.
  • Page 86 Advanced operations Key { } Elements of the reading sequence that are to be repeated are placed in brackets. The left bracket { marks the start of the sequence to be repeated and the right bracket } marks the end. Note: The showing the right bracket remains inactive until a left bracket is entered.

  • Page 87: Enter The Calibration Formula (Evaluation Formula)

    Advanced operations 6.1.2.3 Enter the calibration formula (evaluation formula) The calibration formula (evaluation formula) defines the calculation and display of intermediate and final results. The previously defined elements of the measuring sequence are the basis for calculating the concentrations. Enter calibration formula C1 1.
  • Page 88 Advanced operations Table 11 Edit formula key descriptions Screen Description Press the Abs/Variables key to select, from the displayed list, the required element of the defined Abs/Variables measuring sequence and therefore the corresponding reading wavelength, so that this can be taken into account in the formula.
  • Page 89 Advanced operations Table 11 Edit formula key descriptions(Continued) Screen Description Press >=< to include logic statements/links/conditions 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 >=<...

  • Page 90: Enter Variables

    Advanced operations 6.1.2.4 Enter variables 1. Mark the Variables row in the data overview. 2. Press Edit. 3. Select the variable to be edited. 4. Press Edit. and enter the data (refer to process specification) (for F1, F2, 1, U1 etc.) 5.

  • Page 91: Add To Favourites

    Advanced operations 1. Press User Programs in the Main Menu. The User 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. Using Add to favorites, add the selected program to the favorite list.

  • Page 92: Clear Entry

    Advanced operations 6.1.4.3 Clear Entry 1. Press Delete. 2. Press OK to confirm. The program will be deleted from the list of user programs. Note: If the stored program is deleted in User Programs, it will also be deleted in Favorites Programs. Favorites The most frequently used tests/methods in the Stored Programs menu and the User Programs menu can also be added to the list...

  • Page 93: Standard Addition - Monitoring/Checking Results

    Advanced operations 4. Press OK to confirm. Note: If a Favorite Programs is deleted, it will stay in the User Programs or Stored Programs. Note: If the stored program is deleted in User Programs, it will also be deleted in Favorites Programs. Standard Addition - monitoring/checking results The accuracy of readings (their correspondence with the actual concentration of the analyte in the sample) and their precision...

  • Page 94: Complete A Standard Addition

    Advanced operations Measures to identify other interference factors: Checklist: 1. Check if the procedure is completed correctly: a. Are the reagents added in the correct order? b. Is enough time allowed for colour development? c. Is the correct glassware in use? d.
  • Page 95 Advanced operations Maximum Method Volume/Sample volume 1. Press Stored Programs in the Main Menu. 2. Select the required program. 3. Press Start. 4. Analyze a sample without added standard solution in accordance with the instructions in the Procedures Manual. When the reading is complete, leave the sample cuvette/cell in the cuvette/sample cell compartment.
  • Page 96 Advanced operations 10. Press the keys to change the standard addition volumes. Use the alphanumeric keypad to enter the new data. 11. Press OK to confirm. Description of the table of readings • The first column shows the standard addition volume. 0 mL stands for a sample containing no added standard.

  • Page 97: Single Wavelength (Absorbance, Concentration And Transmittance Readings)

    Advanced operations Single Wavelength (absorbance, concentration and transmittance readings) The Single Wavelength mode can be used in three ways. For sample readings at a single wavelength, the instrument can be programmed to measure the absorbance, % transmittance or concentration of the analyte. •...
  • Page 98 Advanced operations Table 12 Options for Single Wavelength(Continued) Options Description Save as User Program To store the selected parameters as a User Program, refer to Section 6.1, page Recall measurement Recall saved measurement data, wavelength scans or time courses, refer to Section 5.3, data page...

  • Page 99: Take Single Wavelength Readings (Single Reading)

    Advanced operations 6.4.2 Take single wavelength readings (single reading) 1. Insert the zero solution cell into the cell compartment. 2. Press Zero. Note: The Read key is only active after the zero reading has been completed. 3. Insert the analysis cell into the cell compartment. 4.
  • Page 100 Advanced operations Table 13 Multi wavelength setup options(Continued) Options Description To input the wavelength setting. Use the alphanumeric keypad to enter the reading wavelengths.  Wavelength The entered wavelength must be in the range from 320–1100 nm. This functions as a stopwatch. It helps to make sure that the steps of an analysis are correctly timed (e.
  • Page 101 Advanced operations refers to the absorbance at wavelength 1 refers to the absorbance at wavelength 2, etc. refers to the coefficient at wavelength 1 refers to the coefficient at wavelength 2, etc. If a subtraction has to be completed, the factors can be entered with a minus sign.

  • Page 102: Complete A Reading In The Multi Wavelength Mode

    Advanced operations Concentration Resolution: 1. Press Concentration Resolution in the "Options" menu. 2. Select the resolution. 3. Press OK to confirm. 4. Press Return to return to the results screen. 6.5.2 Complete a reading in the Multi Wavelength mode 1. Insert the zero solution cell into the cell compartment. 2.

  • Page 103: Set Up The Wavelength Scan

    Advanced operations 6.6.1 Set up the wavelength scan Press Wavelength Scan in the Main Menu. Press Options for Parameter Setup. Table 14 Options during wavelength scan Option Description More Further options are displayed Folder icon To store the scan data From the displayed list of stored scans, a record is selected for use as a reference scan/superimposed scan.
  • Page 104 Advanced operations 6. Enter the upper wavelength. 7. Press OK to confirm. Note: Do not select the same wavelength for minimum and maximum. 8. Highlight the required wavelength step. Note: The selection of the interval influences the duration and resolution of the Wavelength Scan. Scans with a high resolution take longer than scans with a low resolution.

  • Page 105: Wavelength Scan Reading

    Advanced operations 5. Press Return to return to the Scan mode. Note: The Integral is shown instead of the date on the display. Note: For the next scan reading the setting for the Integral will be On. Scale & Units 1.

  • Page 106: Navigation Of The Wavelength Scan Graph Or A Wavelength Scan Analysis

    Advanced operations The Wavelength Scan is complete, if • the graph is shown full-size, • the scaling of the x-axis occurs automatically, • the Cursor functions in the vertical navigation bar are highlighted. • a signal sounds 6.6.2.1 Navigation of the wavelength scan graph or a wavelength scan analysis Table 15 Navigating the wavelength scan Cursor function/...
  • Page 107 Advanced operations 3. To complete the wavelength scan reading, refer to Section 6.6.2, page 105. • The newly plotted wavelength scan curves are shown in black. • The absorbance or transmittance value and the associated wavelength are highlighted in black. •...

  • Page 108: Time Course Of Absorbance/Transmittance

    Advanced operations 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. This data can be displayed in either graphic or tabular format. While the time scan is taking place, the cell compartment cover must be closed.

  • Page 109: Time Course Scan Reading

    Advanced operations Time & Interval: 1. Press Time & Interval in the "Options" menu. 2. Enter the total time and measurement interval. 3. Press OK to confirm. Note: In total, 500 measuring steps can be accomplished during a scan. To select a total time and a time interval that would cause this number of readings to be exceeded, the time interval is defined automatically and the OK key is inactivated.

  • Page 110: Analysis Of Time Course Data

    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. •...

  • Page 111: System Checks

    1. Go to http://www.hach-lange.com. 2. Select the country and go to Download>Software. 3. Enter DR 3900 in "Search for documents". 4. Locate the appropriate download file. 5. Open the ZIP file and save the files to the USB memory stick or PC.

  • Page 112: Optical Checks

    Advanced operations 7. Connect the USB memory stick to the USB port (type A) on the instrument, refer to Section 3.5, page 8. Press OK to confirm. 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.
  • Page 113 Advanced operations 5. Press Verification. 6. Insert cell adapter A (Figure 3, page 19) in cell compartment (2). 7. Remove any remaining cells from the cell compartment. 8. Close the cell compartment cover. 9. Press Start. 10. Follow the directions on the display and set various filters one after another in the order displayed.

  • Page 114: Test Solution

    Advanced operations 6.8.3.2 Test solution The test solution (refer to Section 9, page 137) serves as a regular quality control for the photometric accuracy of or the relevant spectral photometer. When results exceed allowable tolerances (given in the quality control certificate to the test record), contact the manufacturer. 1.

  • Page 115: Wavelength Check

    Advanced operations 7. Inset sample cell 1 (Figure 3, page 19) in cell compartment (1) a press Next. 8. Follow the dialog indicated. 9. After the fifth test cell, the photometrical accuracy is displayed in a log. 6.8.3.3 Wavelength check The Wavelength Check test is used to check wavelength accuracy at 807 nm.

  • Page 116: Stray Light Check

    Advanced operations 6.8.3.4 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 cuvettes/analysis cuvettes from the cell compartment.

  • Page 117: Aqa - Analytical Quality Assurance

    Advanced operations 7. Place the analysis cell in the cell compartment. 8. Close the cell compartment cover. 9. Press Read. 10. Remove the analysis cell. 11. Close the cell compartment cover. 12. Press Zero. 13. Place the analysis cell in the cell compartment. 14.

  • Page 118: Aqa Standard Configuration

    Advanced operations 6.8.4.1 AQA Standard Configuration The working method, photometers, and accessories can be checked by the analysis of a standard solution. 1. Press AQA Standard A bar with standard sets opens (not available on all models), alternatively an individual standard can be defined. Select Options>New to define a new standard.

  • Page 119: Aqa Addition

    Advanced operations 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. 6.8.4.2 AQA Addition By the analysis of a addition solution it is possible to check for...

  • Page 120: Multiple Determination

    Advanced operations 3. Enter the required interval, 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. 6.8.4.3 Multiple Determination 1.

  • Page 121: Dilution

    Advanced operations 6.8.4.4 Dilution 1. Press Dilution. 2. Press On. 3. Select the required interval. Press OK to confirm the entry. 4. Select a unit for the interval. Press OK to confirm the entry. 5. Enter the dilution factor. Press OK to confirm. 6.

  • Page 122: Instrument Backup

    Advanced operations 6.8.5 Instrument backup Prior to the next service date, the "Instrument 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.

  • Page 123: Service Menu

    Advanced operations 6.8.6 Service menu Use of the service menu requires a service code. This menu is reserved exclusively for servicing tasks. 6.8.7 Service time In order to make sure a regular inspection is performed, an automatic memory reference for the service times can be entered.

  • Page 124: Lamps Operating Time

    Advanced operations 6.8.8 Lamps operating time The "Lamps operating time" provides information on the switch-on cycles of the lamps. After a lamp is replaced, the display of the switch-on cycles is reset to 0. 1. Press Lamp History in the "System Check" menu. 2.

  • Page 125: Sample Id

    Advanced operations 6.9.2 Sample ID Use this option to enter up to 100 different Sample Identification tags (with up to 20 characters each) into the instrument. Sample IDs can be used to specify the sample location or other sample specific information, for example. For a detailed description, refer Section 5.2.2, page 6.9.3 Timer...

  • Page 126: Trends

    DR 3900. In this way on-line data can be verified and process probes can be corrected. The on-line data are sent to the DR 3900 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.

  • Page 127: Section 7 Maintenance

    Section 7 Maintenance C A U T I O N Potential Chemical, Biological Eye and Skin Hazards. Only qualified personnel should conduct the tasks described in this section of the manual. N O T I C E Remove all cells remaining in the instrument. Dispose of the cells or their contents in an authorised manner.

  • Page 128: Cuvettes/Cells

    Maintenance 7.1.3 Cuvettes/cells C A U T I O N Potential Chemical/ Biological Exposure Hazards. User correct laboratory practices if a risk of chemical exposure exists. 1. After use, clean the glass cells with cleaning agents. 2. Afterwards, rinse the cuvettes/sample cells several times with tap water and then thoroughly with deionized water.
  • Page 129 Maintenance 6. Using a cross-head screwdriver, remove the two screws for the lamp holder. 7. Lift out the lamp holder upwards. 8. Turn the lamp holder to that the connector with the cable guide points forwards. 9. Push the clamp slide as far as possible to the right (Step 1). 10.
  • Page 130 Maintenance Fig. 8 Lamp replacement Lamp holder Lamp Clamp slide Connector To fit a new lamp carry out the procedure in reverse. N O T I C E Only hold lamp at lamp holder. Avoid touching the glass, as substances on the skin can bake onto the lamp bulb and thus accelerate the ageing process of the lamp.

  • Page 131: Exchange Of The Replaceable Cell Compartment

    Maintenance Exchange of the replaceable cell compartment If there is severe soiling, the complete cell compartment (2) can be replaced. 1. Switch off instrument. 2. Remove the power cable from the instrument. 3. Using a cross-head screwdriver, undo the two screws on the floor of the cell compartment.
  • Page 132 Maintenance...

  • Page 133: Section 8 Troubleshooting

    Section 8 Troubleshooting Error displayed Definition Resolution Insert the light shield. Attention! Readings with barcode cuvettes Please insert the light shield. generally require the light shield. Press OK. Reinsert the cell. Barcode label not read Barcode faulty If the barcode is not recognised, contact the manufacturer or his representative.

  • Page 134: Troubleshooting

    Troubleshooting Error displayed Definition Resolution Error copying from USB memory Start the procedure again or contact the Error during update stick. manufacturer or his representative. Make sure that the instrument is Error in FTP connection. FTP error connected to the network. Fault...
  • Page 135 Troubleshooting Error displayed Definition Resolution The measured absorbance is above the Over measuring range Dilute sample and measure again calibration range of the test If possible, select a test with a lower The measured absorbance is below the Under measuring range reading range or use a cuvette with a calibration range of the test longer path length...
  • Page 136 Troubleshooting...

  • Page 137: Section 9 Replacement Parts

    Section 9 Replacement Parts Accessories Description Cat. No. SIP 10 sipper set for DR 3900 with 1 inch round cell, EU LQV157.99.10001 RFID read/write device LOC 100: Transponder for location RFID, EU LQV156.99.10001 DR/check gel test standard 2763900 Verification kit LZV537 Verification kit.

  • Page 138: Replacement Parts

    Replacement Parts Replacement Parts Description Cat. No. Halogen lamp LZV565 Cell adapter A for 1-cm rectangular and 1-inch round cells LZV846 Cell adapter B for 3-cm rectangular cells, China only LZV847 Light shield LZV849 Bench top power supply LZV844 Power cord EU YAA080 Power cord CH XLH051...

  • Page 139: Section 10 Contact

    Fax +34 94 657 33 97 www.hach-lange.dk www.hach-lange.se www.hach-lange.it info@hach-lange.es www.hach-lange.es HACH LANGE LDA HACH LANGE SP. ZO.O. HACH LANGE S.R.O. HACH LANGE S.R.O. Av. do Forte nº8 ul. Krakowska 119 Zastrčená 1278/8 Roľnícka 21 Fracção M PL-50-428 Wrocław...
  • Page 140 Contact HACH LANGE D.O.O. ΗΑCH LANGE E.Π.Ε. HACH LANGE D.O.O. HACH LANGE MAROC SARLAU Fajfarjeva 15 Αυλίδος 27 Ivana Severa bb SI-1230 Domžale GR-115 27 Αθήνα HR-42 000 Varaždin Villa 14 – Rue 2 Casa Tel. +386 (0)59 051 000...

  • Page 141: Section 11 Warranty, Liability And Complaints

    Section 11 Warranty, liability and complaints The manufacturer warrants that the product supplied is free of material and manufacturing defects and undertakes the obligation to repair or replace any defective parts at zero cost. The warranty period for instruments is 24 months. If a service contract is taken out within 6 months of purchase, the warranty period is extended to 60 months.
  • Page 142 Warranty, liability and complaints...

  • Page 143: Appendix A Help Guide

    Appendix A Help Guide The Help Guide is a step by step set of instructions for the DR 3900, for the execution of a stored program or procedure in accordance with process specifications. The Help Guide is available for the most used HACH LANGE tests and the Hach powder pillow reagent tests.

  • Page 144: A.2 Display Of The Help Guide For Barcode Programs

    Help Guide A list of preset times will be displayed. 6. Select the necessary time. 7. After the timer has finished, return to the Help Guide by pressing the information icon. 8. The next help screen will be activated 9. Press Cancel to return to the reading screen of the test/method.
  • Page 145 Help Guide 7. Press Cancel to return to the measurement screen for the test. 8. Press the information icon to return to the last current page of the Help Guide and complete the test. 9. Insert the zero cell or sample cell (corresponding to the process specification) into the cell compartment.
  • Page 146 Help Guide...

  • Page 147: Index

    Index Drift Check ............. 124 Absorbance Check ..........116 Absorbance Formula ..........100 Editing Tests ............. 63 Alphanumeric keypad ..........25 Ethernet communication .......... 39 AQA ............... 117 Ethernet port ............18 Audio signals ............36 Factory Service ............123 Barcode Programs ......
  • Page 148 Index Network setup ............39 Service Time ............123 Noise Check ............116 Single Wavelength ......26, 75, 78, 97, 98 Software ............72, 111 Source lamp ............... 9 Operating mode ............9 Specifications ............. 9 Operator ID .............. 27 Spectral bandwidth .............
  • Page 149 Index Wavelength range ............9 Wavelength reproducibility ......... 9 Warranty ..............141 Wavelength resolution ..........9 Wavelength ............97, 100 Wavelength Scan ... 26, 48, 49, 50, 102, 103, 106 Wavelength Accuracy ..........9 Wavelength selection ..........9 Wavelength calibration ..........9 Wavelength setting ..........
  • Page 150 Index...

Table of Contents