NIEUWKOOP CB1000 User Manual
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NIEUWKOOP CB1000 User Manual

Reflectometer rqflex 20
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USER MANUAL
CB1000
REFLECTOMETER RQFLEX 20

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  • Page 1 USER MANUAL CB1000 REFLECTOMETER RQFLEX 20...

  • Page 2: Table Of Contents

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Table of contents 1 Intended use .................................... 5 2 Getting started ..................................5 2.1 Description of the instrument ..........................5 2.2 Package contents ................................6 2.3 Inserting the batteries ..............................7 2.3.1 Replacement of batteries ..........................8 2.3.2 Saving data –...
  • Page 3 CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ 3.3 Method details ..................................40 3.4 Delete all methods ................................. 42 4 Result ........................................43 Result list ........................................43 5 Quality assurance ................................ 46 5.1 Recalibration ..................................46 5.1.1 Procedure ....................................47 5.1.2 Calibration results ................................. 50 5.2 Checking the instrument ............................

  • Page 4: Intended Use

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ 1 Intented use The Reflectoquant® RQflex® 20 reflectometer is intended to be used exclusively according to the operating manual. The reflectometer was developed for performing analyses of chemical parameters in water, food & beverage samples, and environmental samples using Reflectoquant® test strips in the laboratory, on the production line or in the field.

  • Page 5: Package Contents

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Package contents The standard contents of the Reflectoquant® RQflex® 20 Reflectometer package comprise the following items: 1 Reflectometer inclusive strip adapter, Cat.No.1.17246.0001 1 Recalibration set 1 Quick Guide 4 1.5-V batteries (AAA) 1 Safety Instructions...

  • Page 6: Inserting The Batteries

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Inserting the batteries Before operating the system for the first time, the batteries included in the package must be installed. Dispose of used batteries in accordance with the local regulations. 1. Remove the lid of the battery compartment on the back of the instrument by pressing carefully in the indicated direction.

  • Page 7: Replacement Of Batteries

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ 2.3.1 Replacement of batteries Refer to page 7 for how to replace used batteries. Recommendation Do not use rechargeable batteries! 2.3.2 Saving data - Important notes Before changing the batteries, please shut down the instrument first.

  • Page 8: Operation Buttons And Display

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Operation buttons and display 2.4.1 Operation buttons...

  • Page 9: Display

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ 2.4.2 Display General structure Example 2.4.3 Menu items The following items are displayed in the main menu: Method List list of all stored methods Result List list of all stored results Settings list of instrument settings...

  • Page 10: Starting The Rqflex® 20 The First Time

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Starting the RQflex 20 the first time ® Before working with the RQflex® 20 insert the batteries (delivery contents).See chapter 2.3 "Inserting the batteries". Switch on the reflectometer by pressing the [Power On/Off] button. The unit runs an electronic self-check test.

  • Page 11: Settings

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Settings Switch on the reflectometer by pressing the [Power On/Off] button. The unit runs an electronic self-check test. The display then shows the main menu: Select [Settings] in the [MAIN MENU] using the [Up] and [Down] buttons.

  • Page 12: Overview

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ 2.6.1 Overview The following items are displayed in the settings menu: Languages for setting the desired language (EN - DE - FR - ES - PT - JP - CN) Date Format for setting the desired date format (yyyy-mm-dd - dd.mm.yyyy - mm/dd/yyyy)

  • Page 13: 2.6.2 Setting The Language

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ 2.6.2 Setting the language Select [Languages] using the [Up] and [Down] buttons if necessary. The display shows: Confirm your selection by pressing [OK] or [Right (Next)]. The display shows: Select the desired language using the [Up] and [Down] buttons.

  • Page 14: Setting The Date Format

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ 2.6.3 Setting the date format Select [Date Format] using the [Up] and [Down] buttons. The display shows: Confirm your selection by pressing [OK] or [Right (Next)]. The display shows: Select the desired date format using the [Up] and [Down] buttons.

  • Page 15: Setting The Time Format

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ 2.6.4 Setting the time format Select [Time Format] using the [Up] and [Down] buttons. The display shows: Confirm your selection by pressing [OK] or [Right (Next)]. The display shows: Select the desired time format using the [Up] and [Down] buttons.

  • Page 16: Setting The Date

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ 2.6.5 Setting the date Select [Date] using the [Up] and [Down] buttons. The display shows: Confirm your selection by pressing [OK] or [Right (Next)]. The display shows: Select the desired date using the [Up] and [Down] buttons.

  • Page 17: Setting The Time

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ 2.6.6 Setting the time Select [Time] using the [Up] and [Down] buttons. The display shows: Confirm your selection by pressing [OK] or [Right (Next)]. The display shows: Select the desired time using the [Up] and [Down] buttons.

  • Page 18: Setting The Auto Power Off Time

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ 2.6.7 Setting the power off time Select [Auto Power Off Time] using the [Up] and [Down] buttons. The display shows: Confirm your selection by pressing [OK] or [Right (Next)]. The display shows: Possible selections: (00 (= Off) - 15 - 30 - 45 - 60 min) Select the desired auto power off time in minutes using the [Up] and [Down] buttons.

  • Page 19: Setting The Audible Signal (On Or Off)

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ 2.6.8 Setting the audible signal (ON or OFF) Select [Audible Signal] using the [Up] and [Down] buttons. The display shows: Confirm your selection by pressing [OK] or [Right (Next)]. The display shows: Select the desired audible alert using the [Up] and [Down] buttons.

  • Page 20: Setting The Acoustical Countdown Warning

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ 2.6.9 Setting the acoustical countdown warning Select [Acoustic. Countdown Warning] using the [Up] and [Down] buttons. The display shows: Confirm your selection by pressing [OK] or [Right (Next)]. The display shows: Possible selections: (00 (= Off) – 5 – 10 -15 - 20 - 25 - 30 sec) Select the desired duration of the warning signal in seconds using the [Up] and [Down] buttons.

  • Page 21: Setting The Memory Capacity Warning

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ 2.6.10 Setting the memory capacity warning (ON or OFF) Select [Memory Capacity Warning] using the [Up] and [Down] buttons. The display shows: Confirm your selection by pressing [OK] or [Right (Next)]. The display shows: Select the desired memory space warning mode (On or OFF) using the [Up] and [Down] buttons.

  • Page 22: Initial Calibration

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Initial calibration The instrument needs to be calibrated before the first measurement is performed. This is required to set the correct baseline for the reflectometric optics.For this purpose, a Reflectoquant® Recalibration Set is delivered with the instrument. Please use the barcode and the plastic test strip for calibration (for details of the Recalibration Set see section 5, "Quality assurance").
  • Page 23 CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ The display shows: Pressing the [Left (Back)] button takes you back to [MAIN MENU]. Select [Calibration] using the [Up] and [Down] buttons if necessary. The display shows: Confirm your selection by pressing [OK] or [Right (Next)].
  • Page 24 CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Make sure that no test strip is inserted in the test strip adapter, then press [OK]. The display shows: Insert the calibration strip of the recalibration set (included in the scope of delivery of RQflex® 20) into the strip adapter with the beveled edge outwards and upwards and press the [START measurement] button.
  • Page 25 CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ The display shows: Select the desired action using the [Up] and [Down] buttons: No: return to [CALIBRATION] Yes: return to [QUALITY ASSURANCE] Confirm your selection by pressing [OK] or [Right (Next)].

  • Page 26: Measurement

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Measurement Method list Switch on the reflectometer by pressing the [Power On/Off] button. The unit runs an electronic self-check test. The display then shows the main menu: Press [START measurement] button to return to the last used method select [Method List] in the [MAIN MENU] using the [Up] and [Down] buttons if necessary.

  • Page 27: Add A New Method

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Confirm your selection by pressing [OK] or [Right (Next)]. The display shows for example: Pressing the [Left (Back)] button takes you back to [MAIN MENU]. Add a new method There are two scenarios for adding a method: 1.
  • Page 28 CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Remove the specific barcode strip from the Reflectoquant® pack.Certain tests require two barcode strips. Insert the barcode all the way into the barcode scanner in the direction of the arrow in a smooth motion from left to right, and then remove it again.

  • Page 29: Shortcut

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Abort: For abort press the [Menu] button. The display shows: Select the desired action using the [Up] and [Down] buttons: No: return to [Insert Barcode!] Yes: return to [METHOD LIST] Confirm your selection by pressing [OK] or [Right (Next)].

  • Page 30: Measuring With Test Kits

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Measuring with test kits There are three ways to measure with test kits: 1. Continue with last used method 2. Choose from method list 3. Shortcut Continue with last used method The method number shows the last used...

  • Page 31: Shortcut

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Select the desired method using the [Up] and [Down] buttons. Confirm by pressing the [START measurement] button and follow the instruction in the package insert of the corresponding Reflectoquant® test, e.g."Preparation", "Procedure". Shortcut A method can be started directly at any menu item by inserting the barcode strip of the Reflectoquant®...

  • Page 32: Measurement Procedures

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Measurement procedures There are two distinct measurement procedures. The both procedures are very similar and differ only in the first steps. Each measurement procedure is test-specific. The procedure is transferred to the instrument via the barcode strip. All steps involved to obtain the result are displayed on the screen.
  • Page 33 CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Immerse the test strip into the sample as described in the Reflectoquant® package insert (Reflectoquant® pack) and at the same time press the [START measurement] button to start the timer. Carefully allow excess liquid to run off via the long edge of the strip onto an absorbent paper towel.

  • Page 34: Measurement Procedure B

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Abort: For abort press the [Menu] button. The display shows: Select the desired action using the [Up] and [Down] buttons: No: return to [MEASUREMENT] Yes: return to [METHOD LIST] Confirm your selection by pressing [OK] or [Right (Next)].
  • Page 35 CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Confirm your selection by pressing [START measurement]. The display shows: Immerse the test strip into the sample as described in the Reflectoquant® package insert (Reflectoquant® pack) and press the [OK] button. Carefully allow excess liquid to run off via the long edge of The strip onto an absorbent paper towel and press the [OK] button.
  • Page 36 CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ After the reaction time the display shows Carefully allow excess liquid to run off via the long edge of the strip onto an absorbent paper towel and press the [OK] button. The display shows: Insert the test strip into the test strip adapter and press the [START measurement] button.
  • Page 37 CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ The measurement result is displayed and automatically stored. The save hint is shown only if memory space warning is on (see section 2.9.10, "Setting the memory capacity warning"). Abort: For abort press the [Menu] button.

  • Page 38: Skip The Timer

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ 3.2.3 Skip the timer It is possible to interrupt the timer, to perform measurements directly without the countdown function of the instrument. The timer function can be skipped by pressing the [START measurement] button again while the timer is running.

  • Page 39: General Notes On Measurement

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ 3.2.5 General notes on measurement Don‘t change ambient temperatures during ongoing sample measurements. If the instrument is taken to other temperature conditions start the test methods anew to reset the internal standard value. Method details Here you can see the details of the chosen method.
  • Page 40 CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ For deletion the chosen method, select [X Delete Method] using the [Up] and [Down] buttons. Confirm your selection by pressing [OK] or [Right (Next)]. The display shows: Select the desired action using the [Up] and [Down]...

  • Page 41: Delete All Methods

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Delete all methods Select the desired method using the [Up] and [Down] buttons: The display shows: Confirm your selection by pressing [OK] or [Right (Next)]. The display shows: Select the desired action using the [Up] and [Down] buttons:...

  • Page 42: Result

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ 4 Results Result list Switch on the reflectometer by pressing the [Power On/Off] button. The unit runs an electronic self-check test. The display then shows the main menu: Select [Result List] in the [MAIN MENU] using the [Up] and [Down] buttons.
  • Page 43 CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ The display shows all results which are stored in the instrument: Pressing the [Left (Back)] button takes you back to [MAIN MENU]. For details, select the desired method using the [Up] and [Down] buttons. Confirm your selection by pressing [OK] or [Right (Next)].
  • Page 44 CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ The display shows: Select the desired action using the [Up] and [Down] buttons: No: return to [RESULT DETAILS] Yes: delete the result and return to [RESULT LIST] Confirm your selection by pressing [OK] or [Right (Next)].

  • Page 45: Quality Assurance

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Quality assurance Recalibration The recalibration set consists of an internal standard (light grey plastic component), a barcode strip for calibration, and a white calibration strip. A recalibration has to be performed • after the first start (see section 2.7, "Initial calibration") •...

  • Page 46: Procedure

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ 5.1.1 Procedure If necessary clean the strip adapter thoroughly (see section 7.2, "Cleaning the strip adapter"). Take care that the internal standard has not changed color (if necessary exchange the internal standard, Strip adapter, Cat. No. 1.16953.0001).
  • Page 47 CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ The display shows: Pressing the [Left (Back)] button takes you back to [MAIN MENU]. Select [Calibration] using the [Up] and [Down] buttons. The display shows: Confirm your selection by pressing [OK] or [Right (Next)]. The display shows: Remove the barcode strip for calibration from the pack (included in the scope of delivery of RQflex®...
  • Page 48 CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Make sure that no test strip is inserted in the test strip adapter, then press [OK]. The display shows: Insert the calibration strip of the recalibration set (included in the scope of delivery of RQflex® 20) into the strip adapter with the beveled edge outwards and upwards and press the [START measurement] button.

  • Page 49: Calibration Results

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ The display shows: Select the desired action using the [Up] and [Down] buttons: No: return to [CALIBRATION] Yes: return to [QUALITY ASSURANCE] Confirm your selection by pressing [OK] or [Right (Next)]. 5.1.2 Calibration results Select [Calibration Results] using the [Up] and [Down] buttons.

  • Page 50: Checking The Instrument

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Checking the instrument 5.2.1 Analytical quality assurance (AQA) The objective of analytical quality assurance (AQA) is to secure correct and precise measurement results. Analytical quality assurance (AQA) can be carried out in two steps independent of each other: •...

  • Page 51: Rqcheck Procedure

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ 5.2.2 RQcheck procedure Select [RQcheck] using the [Up] and [Down] buttons. The display shows: Confirm your selection by pressing [OK] or [Right (Next)]. The display shows: Remove the barcode strip for RQcheck from the pack.
  • Page 52 CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ The display shows for aprox. 1 second: The save hint is shown only if memory space warning is on (see section 2.9.10, “Setting the memory capacity warning”). Then the display shows: Pressing the [OK] button leads you forward to [RQcheck Results].

  • Page 53: Rqcheck Results

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ 5.2.3 RQcheck results Select [RQcheck Results] using the [Up] and [Down] buttons. The display shows: Confirm your selection by pressing [OK] or [Right (Next)]. The display shows all RQcheck results which are stored in the instrument:...
  • Page 54 CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Confirm your selection by pressing [OK] or [Right (Next)]. Pressing the [Left (Back)] button takes you back to [RQCHECK RESULTS]. The display shows the RQcheck result boxes: Remission RQcheck Result: Measured Remission Values: Target Remission Values: (tolerance: + 2.5 % remission)
  • Page 55 CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ For deletion the results of the chosen date, select [X Delete RQcheck Result] using the [Up] and [Down] buttons. The display shows: Confirm your selection by pressing [OK] or [Right (Next)]. The display shows: Select the desired action using the [Up] and [Down]...

  • Page 56: System Information

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ System information Switch on the reflectometer by pressing the [Power On/Off] button. The unit runs an electronic self-check test. The display then shows the main menu: Select [Information] in the [MAIN MENU] using the [Up] and [Down] buttons.
  • Page 57 CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ The display shows information about the software version of the instrument, the free memory space of the instrument, the battery condition of the instrument, the serial number of the instrument, the date, and the time: Pressing the [Left (Back)] or [Menu] button takes you back to [MAIN MENU].

  • Page 58: Maintenance Of The Instrument

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ 7 Maintenance of the instrument To obtain consistently exact measurement results please follow these instructions for cleaning and maintenance. 7.1 Handling Please treat this instrument with the same care as you do with all other electronic devices. Ensure that no liquid enters the instrument case, since this may result in damage that is not covered by the warranty.

  • Page 59: Cleaning The Strip Adapter

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Cleaning the strip adapter The strip adapter should be thoroughly cleaned (dismantling the strip adapter into its individual components) at the end of each working day. The strip adapter must be cleaned immediately if an error message („E07 + E10: Internal Standard out of range“ - see section 8, “Troubleshooting”) is displayed.

  • Page 60: Troubleshooting

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Troubleshooting The following tables show explanations of the error messages and tips on how to avoid incorrect measurements. The most commonly encountered problems are caused by • the test strips not being inserted correctly • the reaction time of the strip not being right •...
  • Page 61 CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Display message Possible causes Remedy W19: Second Barcode not Wrong second barcode, invalid barcode Use a valid second valid! Use a valid (RQcheck, Calibration) inserted barcode strip Barcode! W20: Barcode not readable! Barcode is inserted after selecting...

  • Page 62: Error Messages

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Display message Possible causes Remedy W30: Measurement not The user tries to execute a Please calibrate and check possible! Please calibrate measurement in the case, the device and check device! measurement is locked due to lost user calibration data.
  • Page 63 CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Display message Possible causes Remedy E08: Measurement not pos- Range check failed or remission Please repeat the sible! Repeat calculation failed - the ongoing strip measurement Measurement! measurement is aborted and the system is going to Method List...

  • Page 64: Other Faults

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Other faults Problem Remedy Display is frozen Switch off the instrument by pressing buttons [Power On/Off], [Down], and [OK] successively or remove batteries, insert again and switch on anew or if the Auto Power Off is activated, the instrument switches off automatically after the defined time.

  • Page 65: Technical Data

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Technical data Dimension: 184 x 79 x 30 mm Weight: 253 g (including battery) Memory: 50 test methods, 200 measurement results 50 RQcheck results, 50 calibration results Interface: yes (for technical service only) Light source:...

  • Page 66: Accessories

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Accessories Reflectoquant® Strip adapter 1.16953.0001 Replacement part for RQflex® Reflectoquant® Recalibration Set 1.16954.0001 Replacement part for RQflex® Reflectoquant® RQcheck 1.17247.0001 Accessory for RQflex® 20...

  • Page 67: Service / Warranty

    CB1000 REFLECTOMETER RQFLEX 20 _____________________________________________________________________________________________ Service / Warranty Our instruments are 100% quality-controlled, which means that each individual instrument has been tested before leaving the factory. In addition to the described cleaning and calibration of RQflex® 20, the device is maintenance-free. The detailed instruction should allow for problem-free operation.

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