Supelco MERCK Reflectoquant RQflex 20 Operating Manual Download Page 1

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Operating manual

Reflectoquant

RQflex

Reflectometer

Analytical

11/2022

Summary of Contents for MERCK Reflectoquant RQflex 20

Page 1: ...Operating manual Reflectoquant RQflex 20 Reflectometer Analytical EN 11 2022 ...

Page 2: ......

Page 3: ...etting the date 17 2 6 6 Setting the time 18 2 6 7 Setting the auto power off time 19 2 6 8 Setting the audible signal ON or OFF 20 2 6 9 Setting the acoustical countdown warning 21 2 6 10 Setting the memory capacity warning ON or OFF 22 2 7 Initial calibration 23 3 Measurement 27 Method list 27 3 1 Add a new method 28 3 1 1 Guided way 28 3 1 2 Shortcut 30 3 2 Measuring with test kits 31 Continue ...

Page 4: ...onitoring of the instrument 51 Total system monitoring 51 5 2 2 RQcheck procedure 52 5 2 3 RQcheck results 54 6 System information 57 7 Maintenance of the instrument 59 7 1 Handling 59 7 2 Cleaning the strip adapter 60 7 2 1 Procedure 60 8 Troubleshooting 61 8 1 User messages on the display 61 8 2 Error messages 63 8 3 Other faults 65 9 Technical data 66 10 Accessories 67 11 Service Warranty 68 ...

Page 5: ...er use is considered to be unauthorized 2 Getting started 2 1 Description of the instrument Your RQflex 20 is a versatile precise instrument It is part of the Reflectoquant system with the components instrument RQflex 20 Reflectoquant tests test and batch specific barcode strip According to the principle of reflectometry remission photometry reflected light from the test strip is measured Just as ...

Page 6: ...nts of the Reflectoquant RQflex 20 Reflectometer package comprise the following items 1 Reflectometer including strip adapter Cat No 1 17246 0001 1 Recalibration set Cat No 1 16954 0001 1 Quick Guide 4 1 5 V batteries AAA 1 Safety Instructions ...

Page 7: ... must be installed 1 Remove the lid of the battery compartment on the back of the instrument by pressing carefully in the indicated direction 2 Insert the batteries into the compartment heeding the and pole indicators 3 Close the battery compartment Dispose of used batteries in accordance with the local regulations ...

Page 8: ...lease shut down the instrument first Otherwise the date and time settings are lost During battery change data in the RQflex 20 reflectometer is saved for 60 seconds If the change time exceeds 60 seconds only date and time are lost all stored data and settings are still stored Recommendation Replacement batteries AAA non rechargeable alkaline batteries 1 5 V must be on hand for immediate insertion ...

Page 9: ...9 2 4 Operation buttons and display 2 4 1 Operation buttons Barcode reader Left Back Right Next Menu OK START measure ment Power On Off Display Down Up ...

Page 10: ...Method List list of all stored methods Result List list of all stored results Settings list of instrument settings Quality Assurance list of all analytical quality assurance options Information list of instrument information Battery status Time Menu item Method number Timer area Status bar Content area Info bar ...

Page 11: ...play then shows the main menu Pressing the Up and Down buttons takes the RQflex 20 to the different submenus The RQflex 20 is supplied with English preset as the standard language setting Before making the first measurement you should therefore set the unit to the language of your choice see section 2 6 2 Setting the language The date and time should be set see sections 2 6 5 and 2 6 6 Setting the...

Page 12: ... 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 The display shows Confirm your selection by pressing OK or Right Next The display shows ...

Page 13: ...ing the desired time format 24 h am pm Date for setting the current date Time for setting the current time Auto Power for setting the desired power off time Off Time 00 Off 15 30 45 60 min Audible Signal for setting the audible alert On Off Acoustic for setting the desired duration of the Countdown warning signal for the countdown Warning 00 Off 5 10 15 20 25 30 sec Memory for setting the memory c...

Page 14: ...our selection by pressing OK or Right Next The display shows Select the desired language using the Up and Down buttons Confirm your selection by pressing OK or Right Next and return to SETTINGS Press the Left Back button to return to MAIN MENU Abort Press the Left Back button to abort if desired and return to SETTINGS ...

Page 15: ...lection by pressing OK or Right Next The display shows Select the desired date format using the Up and Down buttons Confirm your selection by pressing OK or Right Next and return to SETTINGS Press the Left Back button to return to MAIN MENU Abort Press the Left Back button to abort if desired and return to SETTINGS ...

Page 16: ...lection by pressing OK or Right Next The display shows Select the desired time format using the Up and Down buttons Confirm your selection by pressing OK or Right Next and return to SETTINGS Press the Left Back button to return to MAIN MENU Abort Press the Left Back button to abort if desired and return to SETTINGS ...

Page 17: ...ext The display shows Select the desired date using the Up and Down buttons Change the column with the Left Back and Right Next buttons Confirm your selection by pressing OK or Right Next and return to SETTINGS Press the Left Back button to return to MAIN MENU Abort Press the Left Back button to abort if desired and return to SETTINGS ...

Page 18: ...ext The display shows Select the desired time using the Up and Down buttons Change the column with the Left Back and Right Next buttons Confirm your selection by pressing OK or Right Next and return to SETTINGS Press the Left Back button to return to MAIN MENU Abort Press the Left Back button to abort if desired and return to SETTINGS ...

Page 19: ...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 Confirm your selection by pressing OK or Right Next and return to SETTINGS Press the Left Back button to return to MAIN MENU Abort Press the Left Back button to abort if desired and return to SETTINGS ...

Page 20: ...lection by pressing OK or Right Next The display shows Select the desired audible alert mode On or Off using the Up and Down buttons Confirm your selection by pressing OK or Right Next and return to SETTINGS Press the Left Back button to return to MAIN MENU Abort Press the Left Back button to abort if desired and return to SETTINGS ...

Page 21: ...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 Confirm your selection by pressing OK or Right Next and return to SETTINGS Press the Left Back button to return to MAIN MENU Abort Press the Left Back button to abort if desired and return to SETTINGS ...

Page 22: ...our 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 Confirm your selection by pressing OK or Right Next and return to SETTINGS Press the Left Back button to return to MAIN MENU Abort Press the Left Back button to abort if desired and return to SETTINGS ...

Page 23: ... the barcode and the plas tic test strip for calibration for details of the Recalibration Set see section 5 Quality assur ance Keep the instrument at ambient temperature for at least 30 minutes 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 Quality Assurance in the MAIN MENU using the Up and Do...

Page 24: ...splay 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 20 Insert the barcode all the way into the barcode reader in the direction of the arrow in a smooth motion from left to right and then remove it again The display shows ...

Page 25: ...ibration set included in the scope of delivery of RQflex 20 into the strip adapter with the bev eled edge outwards and upwards and press the START measurement button The calibration is carried out The display shows Pressing the OK button leads you to Calibration Results see section 5 1 2 Calibration Results Abort To abort press the Menu button ...

Page 26: ...26 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 27: ...he Power On Off button The unit runs an electronic self check test The display then shows the main menu Press the START measurement button to return to the last used method or select Method List in the MAIN MENU using the Up and Down buttons if necessary The display shows ...

Page 28: ...on takes you back to MAIN MENU in all other cases 3 1 Add a new method There are two scenarios for adding a method 1 Guided way 2 Shortcut 3 1 1 Guided way Select Add new Method in the METHOD LIST using the Up and Down buttons The display shows Confirm your selection by pressing OK or Right Next The display shows ...

Page 29: ... required the display shows now Insert the second barcode the same way as before Adding a new method is successfully finished when the display shows Press OK Store the barcode strip in the supplied packaging material of the Reflectoquant test not in the test strip tube The display shows the new added method in the first row The first number method number corresponds to the code number of the barco...

Page 30: ...he 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 3 1 2 Shortcut A method can be saved and started directly by inserting the barcode strip of the Reflectoquant test ...

Page 31: ...ontinue with last used method The method number shows the last used method measurement is started immediately after pressing the red START measurement button Choose from method list If another stored method is needed select Method List in the MAIN MENU using the Up and Down buttons Confirm your selection by pressing OK or Right Next The display shows ...

Page 32: ...in the package insert of the corresponding Reflectoquant test e g Preparation Procedure Shortcut A method can be started directly from any menu item by inserting the barcode strip of the Reflectoquant test into the instrument Follow the instruction in the package insert of the corresponding Reflectoquant test e g Preparation Procedure ...

Page 33: ...Reflectoquant package insert 3 2 1 Measurement procedure A This procedure has only one reaction time In order to choose the correct method make sure that the selected method number in the instrument corresponds with the first three digits of the batch number on your Reflectoquant test The number can also be found on the barcode strip supplied with the Reflectoquant test If the numbers do not corre...

Page 34: ...again to skip the countdown In this case the strip must be inserted into the strip adapter before pressing START measurement An acoustic signal if a warning signal is set to 0 sec see section 2 6 9 Setting the acous tical countdown warning sounds before the end of the reaction time prompting you to insert the strip all the way into the strip adapter The strip can also be inserted before the reacti...

Page 35: ...as described in measurement procedure A the RQflex 20 instrument is also able to guide through multi step measuring procedures In order to select the correct method make sure that the selected method number in the instru ment corresponds with the first three digits of the batch number on your Reflectoquant test The number can also be found on the barcode strip supplied with the Reflectoquant test ...

Page 36: ...ge insert 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 Immerse the test strip into the corresponding solution as described in the Reflectoquant package insert and at the same time press the OK button to start the timer The display shows for example ...

Page 37: ... 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 The display shows for example The measurement starts automatically after the end of the reaction time ...

Page 38: ... memory space warning is on see section 2 6 10 Setting the memory capacity warning Abort To 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 39: ...nt has been completed another immediate measurement can be carried out simply by pressing the START measure ment button again In this case the instrument makes the measurement immediately If you wish to measure e g several nitrate samples it is advisable to follow the procedu re below For repeat serial measurements the countdown function is not available and an addi tional stopwatch is needed Imme...

Page 40: ...set the internal standard value 3 3 Method details Here you can see the details of the chosen method 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 for example Pressing the START measurement button leads you forward to MEASUREMENT of the chosen method Pressing the Left Back button takes you back to MET...

Page 41: ... and Down buttons Confirm your selection by pressing OK or Right Next The display shows Select the desired action using the Up and Down buttons No return to METHOD DETAIL Yes delete the method and return to METHOD LIST Confirm your selection by pressing OK or Right Next ...

Page 42: ...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 No return to METHOD LIST Yes delete all methods and return to METHOD LIST Confirm your selection by pressing OK or Right Next ...

Page 43: ... 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 The display shows Confirm your selection by pressing OK or Right Next ...

Page 44: ...ct the desired method using the Up and Down buttons Confirm your selection by pressing OK or Right Next The display shows for example Pressing the Left Back button takes you back to RESULT LIST For deletion the results of the chosen method select X Delete Result using the Up and Down buttons Confirm your selection by pressing OK or Right Next ...

Page 45: ...5 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 46: ...tial calibration after changing cleaning of the strip adapter and or the internal standard in the case of suspect measurement results during the boot up self check test failed in the case of error messages E07 or E10 after cleaning the optics in the case of RQCheck failure error messages E09 and E11 in the case of suspect measurement results after severe mechanical distress e g after dropping the ...

Page 47: ...d Strip adapter Cat No 1 17267 0001 Keep the instrument at ambient temperature for at least 30 minutes Insert the adapter and switch on the reflectome ter by pressing the Power On Off button The unit runs an electronic self check test The display then shows the main menu Select Quality Assurance in the MAIN MENU using the Up and Down buttons The display shows Confirm your selection by pressing OK ...

Page 48: ...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 20 Insert the barcode all the way into the barcode reader in the direction of the arrow in a smooth motion from left to right and then remove it again ...

Page 49: ...tion set included in the scope of delivery of RQflex 20 into the strip adapter with the bev eled edge outwards and upwards and press the START measurement button The calibration is carried out The display shows Pressing the OK button leads you forward to Calibration Results see section 5 1 2 Calibration Results Abort To abort press the Menu button ...

Page 50: ... or Right Next 5 1 2 Calibration results Select Calibration Results using the Up and Down buttons The display shows Confirm your selection by pressing OK or Right Next The display shows all calibration data which are stored in the instrument first column sequential number second column date of calibration Pressing the Left Back button takes you back to QUALITY ASSURANCE ...

Page 51: ...ument TSM Monitoring of the total system TSM covers the instrument the test that is used the accessories and the user s way of working Monitoring of the instrument AQA1 The RQcheck is required for the instrument monitoring see section 5 2 2 RQcheck procedure Total system monitoring TSM For total system monitoring standard solutions with a defined analyte content are required Please see further ins...

Page 52: ...display shows Remove the barcode strip for RQcheck from the package Insert the barcode all the way into the barcode reader in the direction of the arrow in a smooth motion from left to right and then remove it again Insert the test strip for RQcheck into the test strip adapter and press the START measure ment button The measurement is carried out ...

Page 53: ...ting the memory capacity warning Then the display shows Pressing the OK button leads you to RQcheck Results Abort To abort press the Menu button The display shows Select the desired action using the Up and Down buttons No return to RQCHECK Yes return to QUALITY ASSURANCE Confirm your selection by pressing OK or Right Next ...

Page 54: ...xt The display shows all RQcheck results which are stored in the instrument Select the desired RQcheck result using the Up and Down buttons Confirm your selection by pressing OK or Right Next Pressing the Left Back button takes you back to QUALITY ASSURANCE The display shows Select the desired RQcheck result detail using the Up and Down buttons ...

Page 55: ...ft 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 Intensity Values Pressing the Left Back button takes you back to RQCHECK RESULTS ...

Page 56: ...wn 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 No return to RQCHECK RESULTS Yes delete the RQcheck result and return to RQCHECK RESULTS Confirm your selection by pressing OK or Right Next ...

Page 57: ... 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 The display shows Confirm your selection by pressing OK or Right Next ...

Page 58: ... the software version of the instrument the free memory space of the instrument the battery state 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 59: ...damage that is not covered by the warranty Do not expose the instrument to excessively humid conditions or to excessive heat or cold see section 9 Technical data If the external casing of the measurement instrument needs cleaning please wipe the cas ing and the display carefully with a moist cloth Clean the optics and the strip adapter only with distilled water or ethanol max 70 v v on a tissue or...

Page 60: ...antling the strip adapter Do not rinse the instrument or parts of it 7 2 1 Procedure Switch off the reflectometer by pressing the Power On Off button Carefully pull the strip adapter out of the case Remove the upper part of the strip adapter from the lower part by easily sliding the components into opposite directions Dismantle the adapter into its four components Clean the components with distill...

Page 61: ...lace battery W15 Barcode not readable Try again Barcode is inserted by the user but could not be read error free Try again to insert the barcode strip W16 Barcode not readable Try again Barcode is inserted after selecting Add new Method in the Method List from the user but the code strip could not be read error free Try again to insert the barcode strip W17 Wrong barcode inserted Use a valid barco...

Page 62: ...barcode strip for RQcheck W24 Measurement timeout Start again Internal standard measurement was done but no measurement was started from the user for a time of 60 minutes Start the measure ment again W25 Calibration timeout Start again Internal standard measurement was done but no calibration measurement was star ted from the user for a time of 60 minu tes Start the calibra tion again W26 RQcheck ...

Page 63: ...Selftest failed and the device is locked in the error screen Please switch off and check device E03 Incorrect date Correct the date The date was not correctly set Please set the date correctly E04 Memory write error Operation is canceled Try again Common Database write error a transi tion to screen Main Menu takes place in the case of this error regardless where this error happens Please try again...

Page 64: ... is aborted and the system is going back to Insert a new RQcheck Barcode Please clean the optics see section 7 and insert a new barcode strip E11 RQcheck not possible Repeat measurement The ongoing RQcheck measurement is aborted and the system is going back to Insert a new RQcheck Barcode Please insert a new RQcheck bar code strip and repeat the RQcheck measurement E12 Calibration not pos sible Re...

Page 65: ...ssing 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 swit ches off automatically after the defined time Buttons barcode reader do not respond Switch off the instrument and start anew ...

Page 66: ...yes for technical service only Light source 4 LEDs green red double optics Power source 4 x 1 5 V batteries AAA Display Reflective LCD Graphic Module 256 x 160 dot System diagnosis yes Measurement range 4 90 rel remission Reflection area 4 x 6 mm Resolution 0 1 rel remission Operating temperature 5 40 C for ideal measurements Operating humidity below 80 for ideal measurements ...

Page 67: ...eflectoquant Strip adapter 1 17267 0001 Replacement part for RQflex 20 Reflectoquant Recalibration Set 1 16954 0001 Replacement part for RQflex Reflectoquant RQcheck 1 17247 0001 Accessory for RQflex 20 set for RQflex 20 ...

Page 68: ...urchase All warranty work is provided by our customer service unit In the event of a proven production or material defect we will provide you with a new or as new replacement RQflex 20 reflectometer free of charge Improper handling results in loss of warranty No water or any other liquid must be allowed to enter the instrument In such cases the warranty becomes invalid All warranty rights become i...

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Page 70: ...iliates All Rights Reserved We provide information and advice to our customers on application technologies and regulatory matters to the best of our knowledge and ability but without obligation or liability Existing laws and regulations are to be observed in all cases by our customers This also applies in respect to any rights of third parties Our information and advice do not relieve our customer...

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