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RQflex 10
Manual English

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Summary of Contents for Merck RQflex 10

  • Page 1 RQflex 10 Manual English...
  • Page 2: Table Of Contents

    Contents 1 Introduction 6 Handling measurement results storing measurement results 2 Description of the instrument displaying stored data data transfer to a PC display, keys deleting data technical data 3 Setting up the instrument 7 Maintenance of the instrument insertion of batteries handling setting the time and date cleaning the adapter...
  • Page 3: Introduction

    Introduction Introduction...
  • Page 4 Introduction Please read the RQflex 10 instruction manual carefully before operating. The manual is well structured and illustrated. We recommend that you read the manual in conjunction with using your instrument. For the analysis procedure please follow the detailed description in the...
  • Page 5: Description Of The Instrument

    Description of the instrument Description...
  • Page 6: Display, Keys

    Description of the instrument Interface, connection to PC For RQdata only (see p. 23) Your RQflex 10 is a versatile, precise instrument. It is part of the Do not use to connect an external power supply! Reflectoquant® system with the components: •...
  • Page 8: Technical Data

    After switching on the RQflex 10 a self-diagnosis is performed for about 1 Instrument, tests, and bar-code strips are tuned to each other. Ensure that the second. Ensure that all functions, especially the multifunctional digit display, reference number (code) for all three components matches.
  • Page 9: Setting Up The Instrument

    Setting up the instrument Operation...
  • Page 10: Insertion Of Batteries

    Setting up the instrument Important Insert the four supplied batteries into the instrument (AAA). When the LOW BATTERY sign first appears, approximately 20 measurements can still be performed. Afterwards the instrument Insertion of batteries cannot be switched on. After screen shutdown, data will be safe for at least two minutes. When? To avoid losing stored data, replace batteries immediately.
  • Page 11: Setting The Time And Date

    Setting the time and date 12:55 M E M S TA R T 12:07 When? T E S T O N / O F F 1 . With a new instrument. 2 . With the change of summer/winter time. 3 . Check after replacement of batteries. PM 12:55 M E M S TA R T...
  • Page 12 Merck RQflex 10 RQflex 10 uniquely combines the simplicity of test strips and test kits with the accuracy of instrumental mobile on-site analysis.
  • Page 13: Coding

    Coding Coding...
  • Page 14: Reasons For Coding

    Coding F:50 F:50 When? M E M S TA R T M E M S TA R T CODE 1 . With a new instrument. T E S T O N / O F F T E S T O N / O F F 2.
  • Page 15: Measurement

    Measurement Measurement...
  • Page 16: Method Procedures A, B, C, D

    Measurement 3 . Compare the first three digits of the batch F:50 number of the Reflectoquant® pack. This M E M S T A R T C ODE There are four distinct measurement pro- reference number must be the same as the T E S T O N / O F F cedures, A, B, C, D.
  • Page 17 Procedure B F:50 12:55 12.07 M E M S TA R T M E M S TA R T Besides the reaction time of the Reflectoquant® strips this procedure also CODE S E C considers the reaction times of auxiliary reagents. T E S T O N / O F F T E S T...
  • Page 18 6 . Five seconds before the end of the reaction time the beeper sounds and the blinking strip symbol is displayed. Now insert the strip all the way into the 12:55 12.07 12:55 12.07 M E M S TA R T M E M S TA R T measurement chamber.
  • Page 19 Procedure D 8 . Two alternately blinking strip symbols in the display prompt you to remove the This procedure is used to calibrate the instrument by means of an already first strip and to insert the second strip used Reflectoquant® strip. into the measurement chamber.
  • Page 20 Important Remarks regarding serial measurements If you wish to measure e.g. several nitrate samples, it is advisable to follow Interrupting the measurement procedure (menu guidance) the procedure below. For repeat serial measurement the countdown function is not available and an additional stopwatch is needed. When? 1 .
  • Page 21: Handling Measurement Results

    Handling measurement results Data handling...
  • Page 22: Storing Measurement Results

    Handling measurement results Important When? The display of F:00 indicates that all 50 storage slots are occupied. 1 . To store measurement results. The next measurement result overwrites the oldest one (i.e measurement 51 2 . To recall measurement results. replaces 1).
  • Page 23: Displaying Stored Data

    Displaying stored data F:50 F:50 M E M S TA R T M E M S TA R T CODE C O D E How? T E S T O N / O F F T E S T O N / O F F 1 .
  • Page 24: Deleting Data

    Deleting data Important When? All stored data for a method are deleted when the instrument is coded 1 . To delete the last result. with a new bar-code strip! 2 . In the case of an incorrect measurement. 3 . To delete all measurement results. How? When the reference code is displayed, press the MEM button for three seconds.
  • Page 25: Maintenance Of The Instrument

    Maintenance of the instrument Maintenance...
  • Page 26: Handling

    Maintenance of the instrument Cleaning the strip adapter When? To obtain consistently exact measurement results please follow these instructions for cleaning and maintenance. The strip adapter must be cleaned immediately if an error message (OPT or ERR) is displayed. Handling The strip adapter should be thoroughly cleaned (dismantling the strip adapter into its individual components) on a regular basis.
  • Page 27: Recalibration

    Recalibration The recalibration set consists of an internal standard (grey plastic part), a bar-code strip for calibration, and a white calibration strip. When? 1 . In the case of suspect measurement results. 2 . After a change of the strip adapter and/or the internal standard. 3 .
  • Page 28 Merck RQflex 10 More than 50 different parameters can be measured quantitatively by using the different Reflectoquant® strips.
  • Page 29: Trouble-Shooting

    Trouble-shooting Trouble-shooting...
  • Page 30: Error Messages, Problems, Solutions

    • Optics or strip adapter • Clean optics and adapter is dirty and switch the RQflex 10 • the reaction time of the strip not being right (too long or too short). on and then off again • incorrect use of strips (e.g. pH not correctly adjusted, tube for strips •...
  • Page 31: Service/Warranty

    Service / Warranty Service / Warranty...
  • Page 32: Service Department, Warranty Conditions

    Warranty Our instruments are 100% quality-controlled, i.e. each and every individual 1 . The manufacturer grants for this RQflex 10 a total replacement instrument has been tested before leaving the factory. The RQflex 10 warranty of 24 months from the date of purchase.

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