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OPERATING MANUAL
ba77096e01 06/2015
®
photoLab
7600 UV-VIS
SPECTROPHOTOMETER

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Summary of Contents for Xylem WTW photoLab 7600 UV-VIS

  • Page 1 OPERATING MANUAL ba77096e01 06/2015 ® photoLab 7600 UV-VIS SPECTROPHOTOMETER...
  • Page 2 ® photoLab 7600 UV-VIS The most current version of the present operating manual www.WTW.com. is available on the Internet at Copyright © Weilheim 2015, WTW GmbH Reproduction in whole - or even in part - is prohibited without the express written permission of WTW GmbH, Weilheim. Printed in Germany.
  • Page 3: Table Of Contents

    ® photoLab 7600 UV-VIS Contents Contents Overview ........5 Overview of the instrument .
  • Page 4 ® Contents photoLab 7600 UV-VIS 4.5.2 Measuring the absorbance or transmission ..29 Maintenance and cleaning ..... . .31 Exchanging the buffer batteries .
  • Page 5: Overview

    ® photoLab 7600 UV-VIS Overview Overview Overview of the instrument Front of the instrument 1 Display 2 Keypad 3 Shaft for rectangular cells 4 Turn-up lid 5 Shaft for round cells 6 Cell shaft cover Fig. 1-1 Front of the instrument with operating elements Socket field on the rear panel 7 Connection for power pack...
  • Page 6: Keypad

    ® Overview photoLab 7600 UV-VIS Keypad Overview 1 Function keys F1 to F4 (function menu-depending) 2 Alphanumeric keypad 3 Keys with dedicated function Fig. 1-3 Keypad Key functions The keys on the right side of the keypad have the following functions: Designation Functions <ON/OFF>...
  • Page 7 ® photoLab 7600 UV-VIS Overview Designation Functions <TIMER> – Opens the menu, Timer. <ESC> – Cancels the running action. Entries that have not yet been accepted are discarded. – Switches to the next higher menu level. <START·ENTER> – Starts an action (e.g. measure- ment) –...
  • Page 8: Display

    ® Overview photoLab 7600 UV-VIS Display Display element Concentration 16.01.15 9:52 1.92 mg/l 18: 14752 10 mm 0.05 - 3.00 mg/l Setup Method list Citation form Unit 1 Status line (current state, date and time) 2 Display range for menus and measurement results 3 Function keys menu Fig.
  • Page 9: Safety

    ® photoLab 7600 UV-VIS Safety Safety Safety information 2.1.1 Safety information in the operating manual This operating manual provides important information on the safe operation of the product. Read this operating manual thoroughly and make yourself familiar with the product before putting it into operation or working with it. The operating manual must be kept in the vicinity of the product so you can always find the information you need.
  • Page 10: Safe Operation

    ® Safety photoLab 7600 UV-VIS Safe operation 2.2.1 Authorized use The authorized use of the photometer consists exclusively of the carrying out of photometric measurements according to this operating manual. Follow the technical specifications of the cells in chapter 7 T .
  • Page 11: Handling Of Hazardous Substances

    ® photoLab 7600 UV-VIS Safety Handling of hazardous substances When developing test sets, WTW carefully sees that the tests can be carried out as safely as possible. Some hazards by dangerous substances, however, cannot always be avoided. If self-produced tests or solutions are used, the responsibility concerning any risks caused by those tests or soulutions lies with the user (personal respon- sibility).
  • Page 12: Commissioning

    ® Commissioning photoLab 7600 UV-VIS Commissioning General notes on handling ® The photoLab 7600 UV-VIS photometer is an optical precision meter. Therefore, it should always be handled with care, especially in mobile use. Always protect the meter from conditions that could damage the mechanical, optical and electronic components.
  • Page 13: Inserting The Buffer Batteries

    ® photoLab 7600 UV-VIS Commissioning ment if it has to be repaired. Note that damage caused by improper transport voids all warranty claims. 3.2.1 Inserting the buffer batteries The buffer batteries supply the integrated clock while the photometer is switched off. Four alkaline manganese batteries (type AA or Mignon) separately included in the scope of delivery are used as the buffer batteries.
  • Page 14: Switching On The Photometer And Setting The Language

    ® Commissioning photoLab 7600 UV-VIS Connecting the 1 Connect the miniplug of the power plug-in power pack pack to the socket (1) of the pho- tometer. 2 Connect the plug-in power supply unit to an easily accessible mains socket. The display illumination switches itself on and then off again.
  • Page 15: Set The Date And Time

    ® photoLab 7600 UV-VIS Commissioning 3.2.4 Set the date and time During the initial commissioning, the instrument automatically guides you to the setting of the time and date after the setting of the language. The Date/Time menu is open. Date/Time 16.01.15 9:52 Using <><>, select a menu Date...
  • Page 16: Operation

    ® Operation photoLab 7600 UV-VIS Operation Switching on or off the photometer Switching on 1 Switch the photometer on with <ON/OFF>. The display shows Self test 16.01.15 9:52 – the Self test dialog (if the user management is not active). Please make sure no cell is inserted and the cover is closed.
  • Page 17 ® photoLab 7600 UV-VIS Operation The self-test includes: Self test 04/16/07 9:52 – the test of the memory, System test processor, internal interfaces, System test filter and lamp Filter test Lamp test – a calibration for each Wavelength calibration wavelength After the self-test is completed, the main menu is displayed.
  • Page 18: General Operating Principles

    ® Operation photoLab 7600 UV-VIS General operating principles 4.2.1 Navigating with function keys and menus Press the <><> <><> key. The menu selec- tion moves in the corresponding direction. <><> <><> <F1> Press the <START·ENTER> key. <START· This has confirmed the current ENTER>...
  • Page 19: Display Of Navigation Paths In Short Form

    ® photoLab 7600 UV-VIS Operation Use of the function The function keys F1 to F4 are below the display. Their functions change keys depending on the operating situation and mode. The current functions are displayed in the function key menu at the bottom edge of the display. Apart from navigation, the function keys are also used for other operations: ...
  • Page 20 ® Operation photoLab 7600 UV-VIS Operating example: The following example shows the elements of the menu tree with the relevant Navigation to the operating steps: setting menu for the language Bold letters and angle brackets <HOME> indicate a key on the photometer [General setup] (except function keys).
  • Page 21: Entry Of Numerals, Letters And Characters

    ® photoLab 7600 UV-VIS Operation 4.2.3 Entry of numerals, letters and characters Numerals, letters, punctuation marks and special characters are entered with the alphanumeric keypad of the meter or using an external keyboard. The numerals and characters (expect for the small letters) assigned to the keys of the alphanumeric keypad are printed on the keys.
  • Page 22: Zero Adjustment

    ® Operation photoLab 7600 UV-VIS Zero adjustment A valid zero adjustment is required for the calculation of measured values in the modes, Concentration, Absorbance / % Transmission, Multi wavelengths and Kinetics. With a zero adjustment, the absorbance of a cell filled with dis- tilled water ("zero cell") is measured and stored.
  • Page 23 ® photoLab 7600 UV-VIS Operation Notes on zero Zero adjustment with round cells: adjustment  Only use clean, scratch-free round cells with distilled water. The minimum filling level is 20 mm. A ready zero cell is included in the scope of delivery of the photometer and PhotoCheck.
  • Page 24 ® Operation photoLab 7600 UV-VIS The zero adjustment window pops Zero adjustment 04/16/07 9:52 Please insert zero cell (distilled water) or press <Start/Enter> 3 Close the inner turn-up lid. Zero cell (H O dist.) 4 Depending on the cell type, insert the zero cell as follows: Round cell: inner...
  • Page 25 ® photoLab 7600 UV-VIS Operation Validity of the zero The data of the zero adjustment is stored in the photometer separately for adjustment each cell type. As long as the data is valid, it is automatically used again after a temporary change to a different cell type. The validity depends on the respective mode: Mode Validity of the zero adjustment...
  • Page 26: Measuring In Concentration Mode

    ® Operation photoLab 7600 UV-VIS Measuring in Concentration mode 4.4.1 Measuring cell tests with barcode <HOME> Concentration Inserting a cell with barcode starts Concentration 16.01.15 9:52 a measurement. Please select method for measuring or insert a barcoded cell or insert AutoSelector. If a cell without barcode is used: Select a method.
  • Page 27: Measuring Reagent Tests With Autoselector

    ® photoLab 7600 UV-VIS Operation 4.4.2 Measuring reagent tests with AutoSelector <HOME> Concentration 1 Open the cell shaft cover. Concentration 16.01.15 9:52 Please select method for measuring or insert a barcoded cell or insert AutoSelector. Setup Method list Last method New Method Line mark 2 Insert the AutoSelector in the...
  • Page 28 ® Operation photoLab 7600 UV-VIS 3 Open the inner turn-up lid. 4 Insert the rectangular cell vertically so it touches the bottom and left edge of the cell shaft. The opaque sides of the rectangular cell must point to the front and back.
  • Page 29: Measuring The Absorbance / % Transmission

    ® photoLab 7600 UV-VIS Operation Measuring the Absorbance / % Transmission 4.5.1 General information The absorbance or transmission respectively is measured without the use of any methods or profiles. All settings are configured during measurement. Measuring against The absorbance or transmission can alternatively be measured against the the Reference absorbance of the zero adjustment or against a Reference absorbance absorbance...
  • Page 30 ® Operation photoLab 7600 UV-VIS Rectangular cell: Open the inner turn-up lid. Insert the rectangular cell vertically so it touches the bottom and left edge of the cell shaft. The opaque sides of the rectangular cell must point to the front and back.
  • Page 31: Maintenance And Cleaning

    ® photoLab 7600 UV-VIS Maintenance and cleaning Maintenance and cleaning Exchanging the buffer batteries CAUTION There is a risk of explosion if unsuitable batteries are used. Only use leakproof alkaline manganese batteries. If you leave the photometer switched on during the exchange or insert the new batteries within a minute after taking out the old ones, the date and time are retained in the photometer.
  • Page 32: Cleaning

    ® Maintenance and cleaning photoLab 7600 UV-VIS Cleaning Especially after a cell has broken or after a reagents accident, the photometer should immediately be cleaned (see also section 6.1 A CTIONS IN THE CASE OF A BROKEN CELL 5.2.1 Cleaning the enclosure NOTE The housing components are made out of synthetic materials (ABS, PMMA and PC).
  • Page 33: Cleaning The Detector Lens

    ® photoLab 7600 UV-VIS Maintenance and cleaning 5.2.3 Cleaning the detector lens Normally, it is not required to clean the detector lens routinely. Cleaning the detector lens can be necessary in the following cases:  If the lens is visibly smudged, e.g. after a cell has broken or after a reagent accident (see also section 6.1 A CTIONS IN THE CASE OF A BROKEN CELL ...
  • Page 34: What To Do If

    ® What to do if ... photoLab 7600 UV-VIS What to do if ... Actions in the case of a broken cell WARNING Cells can contain dangerous substances. If the contents are released, follow the safety instructions of the package insert. If necessary, take corresponding protective measures (protective goggles, protective gloves etc.).
  • Page 35: Error Causes And Remedies

    ® photoLab 7600 UV-VIS What to do if ... the detector lens is probably smudged. In such a case, clean the lens as fol- lows: Cleaning the The detector lens is on the front left detector lens side of the rectangular cell shaft (pos.
  • Page 36 ® What to do if ... photoLab 7600 UV-VIS In Concentration mode you can display the current absorbance value as an additional information ([Setup]/Display absorbance). Self-test does not Cause Remedy start. – A cell is inserted in one of the cell –...
  • Page 37 ® photoLab 7600 UV-VIS What to do if ... Self test failed. Cause Remedy – System test: Instrument defective – Please contact the service department. – Filter test: Instrument defective – Please contact the service department. – Wavelength calibration: – Foreign particle in the cell shaft –...
  • Page 38: Technical Data

    ® Technical data photoLab 7600 UV-VIS Technical data Measurement characteristics Measuring principle Spectrophotometer with reference beam technology Light source Lamp type Xenon flashlamp Average lifetime 5 x 10 flashes, corresponding to at least 13000 h in permanent operation Monochromator Type Grating monochromator with step motor Wavelength range 190 - 1100 nm...
  • Page 39 ® photoLab 7600 UV-VIS Technical data Usable cells Round cells – Outer diameter: 16 mm – Inner diameter: 13.6 mm – Flat cell bottom Rectangular cells * – Path length: 10 mm, 20 mm and 50 mm – Maximum width: 12.6 mm Minimum filling level 20 mm Minimum filling volume...
  • Page 40 ® Technical data photoLab 7600 UV-VIS  Absorbance / % Transmission – Measurement against own reference absorbance value possible  Multi wavelengths – Freely definable calculations from absorbance values at up to 10 differ- ent wavelengths – Calculations can be stored as methods (max. 499) ...
  • Page 41: Measured Value Documentation And Quality Assurance

    ® photoLab 7600 UV-VIS Technical data Measured value documentation and quality assurance Memory for Memory capacity – 5000 single measured values from the measured values measuring modes: concentration, absorbance / % transmission and multi wavelengths – 40 MByte internal memory, sufficient for approx.
  • Page 42 ® Technical data photoLab 7600 UV-VIS Allowed Temperature Operation: +10 °C to + 35 °C environmental (41 °F to 95 °F) conditions Storage: -25 °C to + 65 °C (-13 °F to 268 °F) ≤ Humidity Yearly mean: 75 % 30 days/year: 95 % Other days:...
  • Page 44 150 countries, we have strong, long-standing relationships with customers who know us for our powerful combination of leading product brands and applications expertise, backed by a legacy of innovation. For more information on how Xylem can help you, go to www.xyleminc.com Wissenschaftlich-Technische Werkstätten GmbH Dr.-Karl-Slevogt-Straße 1...

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