colorflex-ez-coffee-user
Contents
1. All ColorFlex EZ functions may be accessed through its MAIN MENU The ain Ne MAIN MENU commands lead to prompts based on the function requested Choose RETURN to go back to the last screen used before the instrument shut down When OFF is shown as an available button command on the main menu screen it can be used to immediately turn the instrument off Terminology Used Throughout this user s Manual and within the ColorFlex EZ s firmware several terms will be used repeatedly These terms are defined below Product Standard A product standard or standard is an object that represents the ideal target color for the product This object is the one to which others will be compared and deemed acceptable or unacceptable The product standard may either be a physical item that is measured using the ColorFlex EZ or a set of color values that are entered into the ColorFlex EZ s memory Sample A sample is an object that will be measured with the ColorFlex EZ and compared to the product standard The color of the sample is typically close to the color of the product standard Measuring Coffee Color 1 15 CFEZ Coffee Color User s Manual Version 1 1 Tolerances Tolerances are limits that indicate how different a sample can be from the product standard and still be acceptable Positive and negative tolerances may be set for each color scale and index parameter chosen for display Then the ColorFlex EZ can show a2. Options and Sample Devices s esssssesossenonenesnsnenennsesnsnenennsesnnnes 11 External nler ausstatten 11 Keyboarl esse ana A 11 Bar Code Scanner een Deere 12 Installationen 13 The Basics of ColorFlex EZ Operation ssssosssssossenonsnnsoene 14 The Button Pad and LCD Display seese 14 Menusand PEOMPIS eian 15 Terminology Used ne E 15 Produer standard 2 2 15 SAP eee or Reon ER RESTE IE re eee eT FERIEN SRE ore rere er ee eres 16 dio les eho a e ans ee Sree E me ner E Stan mere arene re 16 MEASURING COFFEE COLOR 17 Standardi zallion ur era iR ten 17 Standard zation Process kanal 18 Product Setup sr u 20 Reading the Collee Tilen uses 21 Sample Preparation and Presentation rss0sssesossenonssssonnene 22 Reading Individual Samples ecossssosssossssossssonssonnsnonnsnnnnnn 24 Modifying the HCCI Parameters 0 0000000000000nesonnssonnssnnsnnnne 26 Working with Saved Readings cr s0ss00000000n000nsenonnsonnenonnenne 27 Delete All Resdinssy nun aaa 27 Print AU Read nas waere inbige 28 View saved Read nss yasni ehe 28 CFEZ User s Manual Version 1 1 Pilter by selip urone a 29 Reading with D talos uuunueenbe oras 29 Setup Maintenance ui 30 Reset All Selups Rasmus 30 Print All SEPS zus nu 31 Pant One SE LUD seele 31 Elson All Setups Passen 32 GEOBAT OPTIONS u anni 33 Lanp uate peeion un a a OER O NOR 34 Displaysetines yasni eure 34
3. move to the next digit When all digits are as desired press GO to continue Press BACK to cancel the test The user is then prompted through a normal standardization for the instrument When standardization is complete the user is then prompted to place the diagnostic green tile at the sample port and to press the GO button One reading of the diagnostic green tile is made and then the final result is shown with the PASS FAIL evaluation The specification is that dX dY and dZ must all be less than or equal to 0 30 for the instrument to pass the test Press PRINT to print the result if a printer is connected to the instrument s USB port Press DIAGS MENU to return to the Diagnostics menu Press MAIN MENU to exit Diagnostics Maintaining amp Testing 4 45 CFEZ Coffee User s Manual Version 1 1 Signal Levels gt The Signal Levels diagnostic first prompts the user to place a sample at the measurement port Normally this will be the instrument white tile but other instructions may be provided by HunterLab s Technical Support staff Place the sample and press GO The sample and monitor channels are plotted on a graph for examination by HunterLab s Technical Support staff Press READ to read again Press DIAGS MENU to return to the Diagnostics menu Press MAIN MENU to exit Diagnostics Self Test gt The DIAGNOSTICS MENU contains a fourth function named SELF TEST When this function s sele
4. reflectance Measurement Speed at 23 C Measurement Storage Capacity 2000 readings 250 product setups Specifications 5 51 CFEZ User s Manual Version 1 1 Regulatory Notice Manufacturer s Name Hunter Associates Laboratory Inc Manufacturer s Address 11491 Sunset Hills Road Reston Virginia U S A 20190 Declares that the Product Product Name ColorFlex EZ Coffee Model CLFX EZ 45 0 LAV Conforms to the following Standards IEC 61326 1 2005 CISPR 11 2003 A1 2004 EN 61000 4 2 1995 and EN 61000 4 3 2006 A1 2008 EN 61010 1 2001 Supplementary Information This product herewith complies with the requirements of the EMC Directive 2004 108 EC and Council Directive 98 34 EEC and carries the CE mark accordingly 1 This product was tested using an IBM compatible computer European Contact Christian Jansen Griesbraeustrasse 11 82418 Murnau Germany Telephone 49 0 8841 9464 Fax 49 0 8841 99472 5 52 Specifications CFEZ Coffee User s Manual Version 1 1 CHAPTER SIX Instrument Replacement Repair Problems and Questions The following HunterLab policies are described in this chapter e Warranty e Shipping claims e Returns service e Technical assistance Warranty HunterLab warrants that all instruments t manufactures will be free from defects n material and workmanship under normal use and service Our obligation under this warranty is limited to repairing or replac
5. Display Off Press the RIGHT arrow button to increase the time that must elapse in minutes after the last button press Global Options Display Settings BACKLIGHT 80 CONTRAST 50 DISPLAY DIM s 50 DISPLAY OFF Cm 4 DISPLAY OFF m I Display Settings 1 SCREEN ANGLE 0 BACKLIGH 8 a 5 0 4 DISPLAY OFF m SCREEN ANGLE BACKLIGHT 3 35 CFEZ Coffee User s Manual Version 1 1 before the ColorFlex EZ s LCD automatically turns itself off Press the LEFT arrow button to decrease that time Values between and 4 minutes may be selected in increments of 1 When the display turns off it may no longer be read but the press of any button on the button pad causes the display to turn back on Press Back GO to return to the Global Options screen Setups Locked Choose YES to lock the product setups so that changes cannot be made to them without going to Global Options and unlocking the setups Choose NO to allow changes to the product setups Each press of the RIGHT arrow button toggles between YES and NO AutoSave Choose YES to automatically save each measurement to the instrument s Datalog as it is made Choose NO to save measurements on demand Each press of the RIGHT arrow button toggles between YES and NO 3 36 Global Options Me Display Settings we SCREEN ANGLE 0 BACKLIGHT 80 CONTRAST 55 DISPLAY DIM s 50 ZBACK Global Options LANGUAGE ENGLISH DISPLAY SETTI
6. Global Options 3 40 CFEZ Coffee User s Manual Version 1 1 CHAPTER FOUR Maintaining and Testing ColorFlex EZ The ColorFlex EZ requires very little maintenance Keep the tiles and black glass clean Take reasonable precautions to prevent entry of contaminants into the sample port This chapter describes the maintenance necessary to keep the instrument functioning properly and the tests that may be run to assess performance Cleaning the ColorFlex EZ Clean the outside surfaces of the ColorFlex EZ using a soft cloth Do not spray liquids directly on the instrument Maintaining amp Testing 4 41 CFEZ Coffee User s Manual Version 1 1 Maintaining the Instrument Standards Before standardizing the ColorFlex EZ each time inspect the calibrated instrument white tile and black glass if included for dust and fingerprints Do the same for the diagnostic green tile prior to running the diagnostic green tile test Keep the calibration tiles in the carrying case when they are not being used If a tile is lost or damaged contact HunterLab as described in When You Need Assistance concerning replacement Clean the tiles and black glass using a soft nylon bristle brush and a solution of warm water and a laboratory grade detergent such as SPARKLEEN Rinse the tiles in a stream of warm tap water Blot them dry using a clean non optically brightened lint free paper towel About Your Instrument About Your Instrument CHEE
7. and instructional prompts and measurements are displayed on the 320 x 240 pixel on color liquid crystal display LCD screen When an item is to be measured using the ColorFlex EZ the area of interest should be placed flush at the sample port with the side of the sample to be measured toward the instrument The sample must completely cover the sample port When the read command is given using the button pad the xenon flash lamp illuminates the sample and the light reflected back to the detector by the sample is evaluated The calculated measurement is then shown on the LCD Up to 2000 readings and 250 product setups may be stored in the ColorFlex EZ s memory The Button Pad and LCD Display u The five buttons on the button pad can be HunterLab loosely defined as the LEFT RIGHT UP and DOWN buttons with the GO lightning bolt button located to the right of the arrows These buttons perform slightly different functions based on the current operation Consult the miniature map of the button pad shown at the bottom of the LCD display for the relevant definitions of the buttons at any particular time Across the top of each measurement screen are numbers indicating left to right the Datalog number for this reading if it was saved to the ColorFlex EZ s memory and the number of hours and minutes since the instrument was last standardized 1 14 Introduction CFEZ Coffee User s Manual Version 1 1 Menus and Prompts
8. are then output through the USB port If the USB cable is connected to a printer the parameters will be printed If the cable is connected to a computer or other device it will be sent there An example printout is shown Measuring Coffee Color Setup Maintenance WU ZMAIN MENU E 01 SETUP 1 PHYSICAL AVERAGE 1 AUTOSEARCH NO VIEWI ABSOLUTE D65 10 Lxaxb y VIEW2 SPECTRAL PLOT D65 10 Lxakb TE CFEZ Coffee Color User s Manual Version 1 1 Clone All Setups gt Clone All Setups appears n the Setup Maintenance menu only when two ColorFlex EZs are connected together via the standard ColorFlex EZ USB cable and a Standard A to Mini A adapter When Clone All Setups is chosen on one of the ColorFlex EZs the full set of 250 product setups are sent from the initiating instrument to the second connected instrument This process takes several minutes Press Cancel to stop the setup cloning while it is in progress 2 32 Measuring Coffee Color CFEZ Coffee User s Manual Version 1 1 CHAPTER 3 Global Options Global Options allow the user to select the Language for Display the Display settings AutoSearch function Date and T me and more The instrument global options and product setups are retained n the ColorFlex EZ s memory even when the instrument s turned off This chapter describes how to configure and maintain the global instrument options Global Options is selected from the main
9. menu by moving the cursor highlight to the Global Options position using the up and down arrow buttons and then pressing the Go button The Global Options screen appears Configure each parameter by moving the cursor highlight to its position using the up and down arrow buttons When the desired parameter is highlighted press the left or right arrow button to scroll through the available choices for the parameter When the appropriate choice is displayed Global Options 3 33 CFEZ Coffee User s Manual Version 1 1 stop scrolling More options may then be configured in the same manner When all options are as desired press the GO Main Menu button to accept the settings and return to the main menu The global options that may be configured are as follows Language ColorFlex EZ can display screens and prompts n English French German Ital an Japanese Simple Chinese and Spanish To scroll through the languages highlight the LANGUAGE and select the RIGHT arrow to change Display Settings gt When Display Settings is highlighted and the right arrow button is pressed a submenu appears In this submenu the user may set the following parameters e Screen angle Rotate the text on the ColorFlex EZ screen so that it may be easily read from either side of the instrument 0 keeps the text in its normal position and 180 flips the text upside down Please note that the functions of the buttons a
10. ColorFlex EZ Coffee for the Color Measurement of Ground Coffee Products User s Manual Firmware Version 1 0 and Above Manual Version 1 1 A60 1016 181 The world s true measure of color lt gt HunterLab Hunter Associates Laboratory 11491 Sunset Hills Road Reston Virginia 20190 USA www hunterlab com 1 2 CFEZ User s Manual Version 1 1 CFEZ Coffee User s Manual Version 1 1 Copyrights and Trademarks This documentation contains proprietary information of Hunter Associates Laboratory Inc Its reproduction in whole or n part without the express written consent of Hunter Associates Laboratory Inc 1s prohibited EasyMatch is a registered trademark of Hunter Associates Laboratory Inc ColorFlex is a registered trademark of Hunter Associates Laboratory Inc Windows s a registered trademark of Microsoft Corporation in the United States and other countries Safety Notes For safety pay particular attention to the following types of statements in the hardware section of this User s Manual Each description is shown in ts representative typeface n EEE The following symbol indicates that there may be a danger of electric shock from high voltage if the given instructions are not followed carefully CFEZ User s Manual Version 1 1 CFEZ Coffee User s Manual Version 1 1 Table of Contents INTRODUCTION TO THE COLORFLEX EZ SYSTEM 9 PNCC OCS SONICS 33 550 eceyca cats aa a 9
11. NGS NO ch L AUTOSEARCH DATE TIME 4MAIN MENU l Global Options LANGUAGE ENGLISH DISPLAY SETTINGS Po SETUPS LOCKED STDZ INTERVAL ch AUTOSEARCH gt DATE TIME gt YMAIN MENU CFEZ Coffee User s Manual Version 1 1 Stdz Interval Indicate the amount of time that must elapse in hours between standardizations Press the RIGHT arrow button to increase the number of hours or the LEFT arrow button to decrease the number Values between 1 and 16 hours may be selected in increments of 1 Selecting 4 or 8 hours is suggested The choice of OFF is also available disabling prompting for standardization but its use is not recommended AutoSearch gt One of the features of the ColorFlex EZ is that it automatically finds the closest physical numeric or hitch standard stored in the instrument s memory to a sample read When AutoSearch is highlighted and the right arrow button is pressed a submenu appears In this submenu may set the following parameters e Color Diff Ifthe user does not wish to use the AutoSearch feature set this parameter to To use this feature select the color difference index for sample standard comparison The choices are dE dE and dEcmc This index and the illuminant observer set in each product setup searched will be used for the comparison Global Options Global Options 1 ETUPS LOCKED N UTOSEARCH gt DATE TIME ZMAIN MENU I Global
12. Options DATE TIME gt MAIN MENU I Autosearch 1 AVERAGE OFF 3 37 CFEZ Coffee User s Manual Version 1 1 Each press of the RIGHT arrow button changes the color difference index to the next one available e Average If the user does not wish to Autosearch average measurements used in COLOR DIFF autosearching set this parameter to OFF To use this feature select the number of readings to average Press the RIGHT arrow button to increase the number of readings or the LEFT arrow button to decrease the number Values between 2 and 20 may be selected in increments of 1 Press Back the GO button to return to the Global Options screen Date Time gt When Date Time is highlighted and the e A L right arrow button is pressed a submenu Serena appears In this submenu set the current STDZ INTERVAL h I date and time Refer to the button pad map at the bottom p NAIN MENU of the screen Press NEXT to move to another Date Time parameter to set Year is set first then YND month then day followed by the hour 2010 04 20 and minutes Seconds may not be set 14 3 4 13 Press UP arrow to increase the value of the current parameter or the DOWN arrow to decrease it 3 38 Global Options CFEZ Coffee User s Manual Version 1 1 Press SET to accept the entered date and time and leave the Date Time screen Press BACK to discard the entered date and time and leave the Date Time screen
13. PASS or FAIL indicator after a sample is read Samples that differ from the standard by no more than the entered tolerance are said to PASS Samples that exceed the tolerance for one or more parameter are said to FAIL Note tolerances are disabled for the Coffee Index 2 16 Introduction CFEZ Coffee User s Manual Version 1 1 CHAPTER TWO Measuring Coffee Color This chapter describes the various steps for normal operation of the instrument including p Standardization Product Setups Reading the Coffee Tile Sample Preparation and Presentation Reading Individual Samples Modifying The HCCI Parameters Working with Saved Readings Printing Reading with Datalog and Setup Maintenance SP ey ee oe Standardization Main Menu During standardization the bottom of scale 0 reflectance is set first by placing the black glass at the sample port The top of scale is then set by scaling the light which is reflected back from the calibrated instrument white tile Messages on the LCD screen prompt the user through the standardization process as described below The time elapsed in minutes since the last standardization is shown in the upper right corner of the screen the number of readings stored in the Datalog is shown in the top left corner of the screen It is recommended that the ColorFlex EZ Measuring Coffee Color 1 17 CFEZ Coffee Color User s Manual Version 1 1 be standardized every four t
14. RED Model 45 0 LAV By selecting ABOUT from the MAIN S N CFEZ0005 MENU the Model number serial Firmware V1 00 13 281B number firmware version and lamp flash ae Sane en count are displayed ggg IN NENU 4 42 Maintaining amp Testing CFEZ Coffee User s Manual Version 1 1 Replacing the Lamp Lamp replacement requires a trained technician Contact the HunterLab Field Service Department to arrange for lamp replacement Please read When You Need Assistance page 8 7 prior to contacting HunterLab Main Menu EAD RODUCT SETUP OBAL OPTIONS Diagnostics SLUB MAINTENANCE CC ABOUT Diagnostics is selected from the main un 460 menu by moving the cursor highlight to its position using the up and down arrow buttons and then pressing the center Go button The Diagnostics menu appears Choose the desired function by scrolling using the up and down arrow buttons until it is highlighted and then pressing the right arrow button The various functions perform as described below pee White Tile Repeatability gt The purpose of the White Tile Repeatability test is to verify short term repeatability performance of the instrument The White Tile Repeatability screens first prompt the user through a Pe white Repeatability Maintaining amp Testing 4 43 CFEZ Coffee User s Manual Version 1 1 normal standardization for the instrument When standardization is complete the user 1s then prompte
15. Setups LOCKE een tea career renee ere 36 PRULO DAY seele 36 Std2 Intervalle 37 PRUE 2 110 ue FE HENEIETTERUFER ERS EEELUNEIUTETDELSERSSFERRONER 37 Da TME ne nennen canada Ses re 38 MAINTAINING AND TESTING COLORFLEX EZ 0000 41 Cleaning the Color Plex EZ iii 41 Maintaining the Instrument Standards eosrssossssossssonesoene 42 ADOUL Your Instrument u rn 42 Replacine the Lina era 43 Diacnosties aan ea 43 White Tile Repeatabiity Pan seen 43 Green Pile Check Ira 44 SIomalllevels usa satecatesteotate a adele a lecsiananes 46 SCH DOS A coo ee ee 46 SPECIFICA TIONS u nannten 49 Operating Conditions era 49 Physical Characteristics au eek 50 Conditions of Illumination and Viewing serssrssossssonssonens 50 Instrument Performance 51 Repulatory Notice innen euscie este eee stacenasteees eeae cae 52 1 6 CFEZ Coffee User s Manual Version 1 1 INSTRUMENT REPLACEMENT REPAIR PROBLEMS AND QUESTIONS 2228 u 2a aaa 53 Warnan een 53 Shipping Claims uses eins 54 Breakase or Damal ecs nun 54 Shorlage nn 55 Ineorrect Shipmieni a 2u 2 542 2 een 56 Returns Repans anni 56 Packing and Shipping Instruments for Repair 57 When You Need Assistance 58 1 7 1 8 CFEZ User s Manual Version 1 1 CFEZ Coffee User s Manual Version 1 1 CHAPTER ONE Introduction to the ColorFlex EZ Coffee for the Color Measurement of Ground Coffee Products The ColorF
16. arrow to move forward to the next saved reading or Prep SETUP 1 065 10 LEFT arrow to move back to the L 51 42 previous saved reading a 26 27 b 11 91 Press Back UP arrow to return to the 46732PA1618 Saved Readings menu or Main Menu BACK MAIN MENU GO to return to the main menu 2 28 Measuring Coffee Color CFEZ Coffee User s Manual Version 1 1 Filter By Setup gt Filter by Setup allows the user to view EG Reading readings saved in the ColorFlex EZ s memory by choosing the product setup used to measure the readings of interest The Saved Readings screen is shown first Scroll through the setups using the UP and DOWN arrow buttons until the desired setup is highlighted then press GO to select Advanced scrolling may be done a page at a time using the Page RIGHT arrow button View print and move through the readings saved for this setup in the same ac way described above for View Saved Readings SETUP 1 2008 06 19 08 00 Reading with Datalog DB5 10 1 1 The ColorFlex EZ has the ability to E 87 09 manually or automatically save ax 1 74 measurements to the Datalog on a USB be 7 16 flash drive in CSV csv or ASCII dtg l format The precision is 3 decimal places for colorimetric data 5 for chromaticity values and 4 for spectral data Once saved to the USB flash drive A 10 1013 423 provided with instrument it can then be transferred to a PC and read directly into Excel or EZMQC f
17. cted communications tests between the ColorFlex EZ s subsystems are run If successful the versions of the firmware present would be displayed Also shown is the value of the checksum of the instrument s calibration data as four hexadecimal digits The value of the checksum of the calibration data should remain constant unless the instrument white tile s assigned reflectance is updated or the instrument is serviced A record of the checksum s values should be kept If the value 4 46 Maintaining amp Testing i Signal Levels Signal Levels J self Test M3DA V1 50 09 296A CFUSB V1 10 10 081A CFUSB V1 10 10 081A CFUSB V1 10 10 081A Checksum 365F 7 CFEZ Coffee User s Manual Version 1 1 changes for unexplained reasons then the instrument may not function correctly Press DIAGS MENU to return to the Diagnostics menu Press Main Menu to exit Diagnostics Maintaining amp Testing 4 47 CFEZ User s Manual Version 1 1 5 48 Specifications CFEZ User s Manual Version 1 1 CHAPTER FIVE Specifications The specifications and characteristics of the ColorFlex EZ instrument are given in this chapter For best performance the instrument should be placed where there is ample work space with medium or subdued illumination and no drafts The operating conditions temperature and humidity ranges are given in the Operating Conditions section below Operating Conditions Do not leave ColorFlex EZ
18. d to leave the instrument white tile in position P White Repeatability m PASS at the sample port and to press the GO 02 lt 0 05 button Twenty readings of the instrument white tile are made automatically and the results of each reading shown concurrently This test may be cancelled at any time by pressing the LEFT arrow to Cancel When all readings are complete the final nite Tile Repeatabi ity result as well as a PASS FAIL status is 008 06 19 08 06 shown The specification s that dE must be less dk 0 08 than or equal to 0 05 for the instrument to pass the test Press PRINT to print the result if a printer 1s connected to the instrument s USB port An example printout is shown Press DIAGS MENU to return to the Diagnostics menu Press Main Menu to exit Diagnostics Green Tile Check Green Tile Check gt The first Green Tile Check allows the user to compare the values in the ColorFlex EZ s memory to the values on the back of the diagnostic green tile The purpose of this test is to verify long term repeatability of the instrument in 4 44 Maintaining amp Testing CFEZ Coffee User s Manual Version 1 1 measuring color Ifthe values match press the GO button to continue Ifthe values in the instrument s memory require revision change the highlighted digit of the selected color scale value using the UP and DOWN arrow buttons When the SEREGUN desired digit is shown press NEXT to
19. d values for the calibrated instrument white tile and values read at factory for the diagnostic green tile Coffee tile to be used as a PQ Performance Qualification step with values Read at Factory in HCCI Hunter Coffee Color Index SCAA SCAA Roast Classification and CIE L a b values USB cable for connecting the ColorFlex EZ to a computer USB 2 0 Flash Drive for CSV data output lt o Standard 31 8mm 1 25 in open port insert used for the measurement of Coffee and the instrument diagnostic test A sleeve of 10 disposable polystyrene 100 mm diameter petri dishes Additional sample dishes may be purchased from HunterLab or the following sources o BD Fisher extra depth polystyrene dishes 100 m 2 z available from Fisher Scientific www fishersci com part number 08 757 11 o SKS Science D210 8R clear polystyrene petri dishes 90 mm diameter x 25 mm high available from SKS Science www sks science com part number D210 8R o _L02 1016 329 Replace package of 10 polystyrene petri dishes 100mm 4 in Standards care card provides instructions on how to clean the standards Lens wipes AC adapter 12 W 9V ColorFlex EZ User s Manual on CD CFEZ Coffee User s Manual Version 1 1 Options and Sample Devices There are many options and devices available for positioning samples at the measurement port of the ColorFlex EZ and for making the instrument eas er to use HunterLab part numbers are p
20. e port is flat against the black glass and that the white dot is facing forward towards the operator Press the button GO The ColorFlex EZ reads the glass and sets the instrument bottom of scale When it is finished the screen prompts the user to place the calibrated instrument white tile at the port Replace the black glass with the Standardization 8 instrument white tile which is contained in the standards box Check that the tile is flat against the sample port and the white dot is facing forward towards the operator Press the button GO The ColorFlex EZ reads the instrument white tile and sets the top of scale When standardization 1s finished Measuring Coffee Color 2 19 CFEZ Coffee Color User s Manual Version 1 1 the screen indicates that the WE Standardization instrument has been successfully standardized 8 Press MAIN MENU risht arrow to return to the main menu 9 Periodically such as once per week E perform the white tile check and Green Color Tile check to ensure that the instrument is operating properly The user should also read the coffee tile on a regular basis and confirm that the instrument is reading correctly in this region of the spectrum Product Setup Product Setup A product setup is a set of operating parameters that define the operation of the system for a specific product Reading The HunterLab Coffee Color Index is stored in the ColorFlex memory when the ins
21. ected to a computer or to an optional device such as a printer Instructions are provided below 1 Unpack the cartons and remove wrappings and cable ties Inspect for damage and notify the carrier and HunterLab immediately if any is discovered Save the packing materials in case it becomes necessary to return the instrument to the factory Place the ColorFlex EZ on a flat stable surface near an electrical outlet Connect the AC adapter to the acceptor on the left back of the ColorFlex EZ Plug the AC Adapter into a wall outlet If the instrument is to be connected to a computer plug the small end of the USB cable into the USB port located on the left back of the ColorFlex EZ Printers and other USB devices can be connected to the USB port on the side of the instrument Plug the flat end of the USB cable into the appropriate USB port on the computer or device If connecting to a computer Windows plug and play feature should automatically find and install the ColorFlex EZ as a device Let it do so until the Found new hardware message disappears Other devices such as the printer bar code reader and keyboard are automatically detected by the ColorFlex EZ Turn the ColorFlex EZ on by pressing the GO button lightning bolt on the button pad Introduction 1 13 CFEZ User s Manual Version 1 1 The Basics of ColorFlex EZ Operation Commands are given to the ColorFlex EZ using the five buttons on its button pad
22. ents as they can suspend items weighing only up to 5 pounds Insure the shipment e Provide an itemized packing list of all contents of the shipment e Contact the HunterLab Service Department for a Service Request Order SRO number To do this send an email to service hunterlab com Please include the instrument serial number your name the company name and phone number e Label the carton s as follows HunterLab Attn SRO 11491 Sunset Hills Road Reston VA 20190 Instrument Replacement Repair Problems amp Questions 6 57 CFEZ Coffee User s Manual Version 1 1 U S A When You Need Assistance When there s a problem with an instrument or software or technical advice concerning a specific application is needed please contact HunterLab for assistance In order to help us help you please have the following information available prior to contacting HunterLab 1 The type of sensor for which assistance is needed 1 e ColorFlex EZ 2 The serial number of the instrument found on the bottom of the unit 3 The type of processor or software in use to access the sensor output such as EasyMatch QC the version of the software the operating system and the brand and type of computer 1f applicable 4 The specific nature of the problem including the exact error message received or the number of units the sensor reads off from the standard tiles 5 The steps performed prior to the start of the prob
23. gs menu appears Choose the desired function by scrolling using the up and down arrow buttons until it is highlighted and then pressing the right arrow button The various functions perform as described below Delete All Readings gt Delete All Saved Readings causes a confirmation message to be shown When GO is pressed all measurements stored in the ColorFlex EZ s memory are erased When complete a confirmation message 1s Shown The Saved Readings menu will be displayed next Measuring Coffee Color Main Menu ROD LOB AL OPTIO 7 UP MAINTENAN 4G0 Saved Readings 1 N SAVED ADILING TER BY SETUP gt ZMAIN MENU 2 27 CFEZ Coffee Color User s Manual Version 1 1 Print All Readings gt Saved Readings J Print All Readings causes all the measurements stored in the ColorFlex EZ s memory to be output to the device such as a computer or printer connected to the ColorFlex EZ s USB port When _ MAIN MENU complete the Saved Readings menu 1s displayed View Saved Readings gt View Saved Readings allows the user to view and scroll through the readings saved in the ColorFlex EZ s memory The first reading stored in memory which was assigned an ID of 0001 by default will be shown first RR LESUBLEIT Press Print DOWN arrow to output the saved reading currently shown to the device such as a computer or printer connected to the ColorFlex EZ s USB port Press Next RIGHT
24. he sample into a petri dish n until the dish is almost full 5 Place the dish in the port plate 6 Measure the sample by pressing the GO key It is best to average 3 readings per measurement moving the dish to different areas on the port The result is displayed 7 To view the next Coffee score press the UP Arrow 2 24 Measuring Coffee Color Reading 1 CFEZ Coffee User s Manual Version 1 1 8 Press DOWN arrow to both Save Print reading to the ColorFlex EZ s memory and print the reading if T optional USB printer is connected D65 10 The saved readings counter in the HCCI 27 2 upper left corner of the screen will be SCAA 72 incremented to reflect the newly saved reading 9 Remove the sample dish from the sample port and place next sample at the port 10 Press READ to take another reading CEE 1 in this product setup a 15 03 11 Press UP to move to the next data b 17 04 HCCI 27 2 view for this product setup 12 Press RIGHT ARROW to return to 2 the main menu Note With a bar code reader installed scan the bar code now and the ID will appear beneath the color Measuring Coffee Color 2 25 CFEZ Coffee Color User s Manual Version 1 1 Modifying the HCCI Parameters The HunterLab Coffee Color Index is a calculation based on the reflectance reading in the 640nm range HCCI 1 958 R640nm 3 32 At the factory the coefficient values for the HunterLab Coffee Color Inde
25. in an area where temperature or humidity extremes are possible Storage Temperature Operating Temperature Performance Temperature Noncondensing Humidity Calibrated Instrument White Tile black glass Green Diagnostic Tile Coffee Tile Universal AC adaptor computer interface cable USB flash drive User s Manual on CD Certificate of Traceability Standard Accessories Specifications 5 49 CFEZ User s Manual Version 1 1 Physical Characteristics Weight 3k I Dimensions 16 25cm x 13 2cm x 36 5cm 6 4 in x 5 2 in x 14 4 in height x width x length Communications Interface USB OTG to computer USB A to Keyboard printer barcode scanner RFI Compliance FCC Class A Commercial IEC or equivalent Safety Compliance UL CSA IEC or equivalent Conditions of Illumination and Viewing Light Source Lamp Life gt million flashes 45 Illumination 0 Viewing Spectrophotometer 256 element diode array and high resolution concave holographic grating Port Diameter 31 8 mm 1 25 in illuminated 25 4 mm 1 in measured View Diameter a Catapranant 5 50 Specifications CFEZ User s Manual Version 1 1 Instrument Performance Coffee Metrics HCCI HunterLab Coffee Color Index SCCA SCAA Roasting Color Classification CIE L a b Spectral Data Range 400 700 nm Reporting Interval nm 10 nm Bandwidth at Half height Wavelength Accuracy Photometric Range Photometric Resolution 0 01
26. ing any parts which our examination disclose to have been factory defective when returned to us by prepaid transportation The time limit on this warranty is one year from date of shipment of new instruments and two months from the date of shipment of repaired instruments HunterLab warranty does not cover expendable items such as lamps fuses batteries and diskettes The warranty is void if the user has made unauthorized repairs performed improper installation or has incorrectly used the instrument Instrument Replacement Repair Problems amp Questions 6 53 CFEZ Coffee User s Manual Version 1 1 Shipping Claims All materials are sold F O B from Reston Virginia unless otherwise specified and HunterLab responsibility ends upon delivery to the first carrier All claims for loss or damage must be rendered by the consignee against the carrier within fifteen days of receipt of goods A copy of this notice must also be forwarded to HunterLab within five days of its receipt Breakage or Damage According to the contract terms and conditions of the carrier the responsibility of the shipper ends at the time and place of shipment The carrier then assumes full responsibility Perform the following procedures in the case that the ColorFlex EZ arrives broken or damaged Freight or Express 1 Notify the local shipping carrier 2 Hold the damaged goods with their container and packaging for inspection by the examining agent Do not
27. king and checking 4 Notify HunterLab immediately of the shortage in writing Incorrect Shipment Perform the following procedure 1f material received does not correspond with the order Instrument Replacement Repair Problems amp Questions 6 55 CFEZ Coffee User s Manual Version 1 1 l Notify HunterLab immediately referencing the order number and tem 2 Hold incorrect items until return shipping instructions are received Returns Repairs A service request order SRO number is required before any items can be returned to HunterLab Contact HunterLab s Order Processing Department to obtain an SRO for damaged or incorrect parts or Technical Support to obtain an SRO to return and instrument for service Do not return any damaged or incorrect items until all shipping instructions are received HunterLab offers complete repair services for all instruments it manufactures Call HunterLab for the service facility nearest to your location If the equipment s not functioning properly contact HunterLab Technical Support for maintenance or repair instructions Many times this on the spot diagnosis 1s all that is required If repair 1s required the instrument may be returned to a HunterLab service facility For schedule and terms for repairs call HunterLab Technical Support Please read the next section When You Need Assistance prior to contacting HunterLab Customers are responsible for incoming and outgoi
28. lem 6 Steps already performed to reconcile the problem and or results of any diagnostic tests 7 The type of product being measured 8 Environmental conditions under which the instrument is normally used temperature humidity dust fumes etc 9 Whether the instrument has recently been moved or the computer reconfigured 6 58 Instrument Replacement Repair Problems amp Questions CFEZ Coffee User s Manual Version 1 1 10 The name s of any HunterLab personnel w th whom the problem has been discussed The general number for HunterLab s 703 471 6870 For prices on instruments software and replacement parts or to place an order ask for the ORDER PROCESSING DEPARTMENT For measurement advice for help in correcting instrument or software problems to return instruments to HunterLab for service or to ask questions about the servicing or recalibration of instruments as for TECHNICAL SUPPORT HunterLab may also be contacted through its web site www hunterlab com The mailing address for HunterLab headquarters 1s given below Customers outside the United States should contact their HunterLab distributor for initial assistance Hunter Associates Laboratory Inc 11491 Sunset Hills Road Reston VA 21090 USA Instrument Replacement Repair Problems amp Questions 6 59 60 CFEZ Coffee User s Manual Version 1 1 Index CFEZ Coffee User s Manual Version 1 1 Index About 46 AC adapter 11 Accessorie
29. lex EZ spectrophotometer is a versatile color measurement instrument that can be used to measure the color of ground coffee products Coffee color is primarily used to evaluate the degree of roasting There are light roasts medium roasts and dark roasts which will each have different taste characteristic for the same original set of coffee beans The ColorFlex EZ instrument provides HCCI HunterLab Coffee Color Index values SCAA Number SCAA Roast Classification colorimetric and spectral data This instrument can also be used for measuring the reflectance color of other products ColorFlex EZ Coffee is available with a regular port and 45 0 geometry The ground coffee will be read through the bottom of a 90 100 mm disposable polystyrene petri dish 25 mm sides This will allow averaging of multiple readings per measurement 3 or 4 readings per measurement are suggested by moving the dish around on top of the port Accessories The following accessories are included with the ColorFlex EZ and can be found in the provided carrying case e Calibration tiles A NIST traceable calibrated instrument white tile and black glass used for instrument standardization In addition a diagnostic green tile is used to verify long term Introduction 1 9 CFEZ User s Manual Version 1 1 instrument performance A Certificate of traceability is provided for the calibrated instrument white tile Tile data sheet provides NIST traceable calibrate
30. lso rotate when the screen text rotates 1 e what was previously 3 34 Global Options Main Menu STANDARDIZE READ PRODUCT SETUP DIAGNOSTICS SAVED READINGS SETUP MAINTENANCE ABOUT Options G n rales PARAM TRES AFFICHAGE P BLOQUAGE DES FORMATSNON SAUVEGARDE AUTOMATLOOBI INTERVALLE D TAL NON RECHERCHE AUTOMATIQUE gt DATE HEURE gt STDZ INTERVAL h 0 DATE TIME _ ZMAIN MENU CFEZ Coffee User s Manual Version 1 1 the up arrow will become the down arrow if the text is flipped upside down Each press of the right arrow button increases the displayed value 180 Backlight Press the right arrow button to increase the brightness of the LCD s backlight or the left arrow button to decrease the brightness Values between 0 and 100 may be selected in increments of 5 Contrast Press the RIGHT arrow button to increase the LCD s contrast or the LEFT arrow button to decrease the contrast Values between 0 and 100 may be selected n increments of 5 Display Dim Press the RIGHT arrow button to increase the time that must elapse in seconds after the last button press before the LCD backlight automatically dims Press the LEFT arrow button to decrease that time Values between 10 and 50 seconds may be selected in increments of 10 When the backlight dims the display may still be read and the press of any button on the button pad causes the backlight to turn back on
31. lues 2 Prepare samples in exactly the same manner each time they are measured Mix the coffee product so that it 1s homogeneous 3 Present the samples to the instrument in a standard repeatable manner Results obtained depend on the condition of the samples and their presentation Establish a method so that the same procedure is used each 2 22 Measuring Coffee Color CFEZ Coffee User s Manual Version 1 1 time specific samples or types of samples are measured In th s way a valid basis for comparison of measured results will be obtained This also ensures repeatability of results when measuring the same sample again Make a check list so that operators may simply check each step The check list will also help in the training of new operators 4 Follow the prompts to read the samples Measuring Coffee Color 2 23 CFEZ Coffee Color User s Manual Version 1 1 Reading Individual Samples Complete the following steps to take Hein went single readings of ground coffee products using the ColorFlex EZ Coffee l From the Main Menu press the DOWN arrow key until the product setup screen is reached Press GO to select a setup 2 Press the UP or DOWN arrow to select the Coffee Roast Setup Press GO to continue 3 Select READ from the ColorFlex EZ s main menu Move the cursor highlight to its position using the up and down arrow buttons and then press the center GO button 4 To measure a sample pour t
32. ng freight charges for instrument returned to HunterLab for all repairs including warranty repairs Packing and Shipping Instruments for Repair Please regard the following instructions when packing the instrument to return it to HunterLab for repair Proper packing is crucial Ideally we recommend using the original shipping box If 6 56 Instrument Replacement Repair Problems amp Questions CFEZ Coffee User s Manual Version 1 1 the original packaging box is not available then HunterLab sells replacement shipping boxes for a nominal fee Please also note that purchasing freight insurance does not guarantee a successful damaged shipment claim if the carrier determines the instrument was not packaged properly e All instrument tiles black glass power supply power cords and cables for the instrument should be included 1n the return shipment The repair estimate will be delayed if the instrument tiles are shipped separately later e Cover the measurement port Do not use duct tape Painter s tape is preferred as it will not leave residue on the instrument e ColorFlex EZ carrying cases are not intended as shipping containers Place the instrument inside the carrying case and then place the carrying case into the original packing container Surround the instrument with a minimum of 6 inches of packing material preferably foam around the instrument Styrofoam peanuts should not be used as packing material for instrum
33. o eight hours Also standardize the ColorFlex EZ any time there 1s a significant change greater than 5 F in ambient temperature For example if the ColorFlex EZ is moved from air conditioning to an outdoor site that is 90 F the instrument should be standardized again outdoors after time has passed to allow for stabilization under the new temperature Also it is very important that the tile and glass standards used in standardization be treated carefully They must be kept clean and in good condition The Maintaining and Testing ColorFlex EZ chapter describes how to clean them Standardization Process Standardization of a ColorFlex EZ is performed as follows 1 Remove the calibrated tiles from the standards box Check that the tiles are clean and free of dust and scratches If they are dirty including marked with fingerprints they should be cleaned before proceeding 2 18 Measuring Coffee Color Standardization Expire CFEZ Coffee User s Manual Version 1 1 The standard 31 8 mm 1 25 in port plate s needed to measure ground coffee products Prior to standardizing install this port plate Select STANDARDIZE from the ColorFlex EZ s main menu by moving the cursor highlight to its position using the UP and DOWN arrow buttons and then pressing the GO button The Standardization screen appears prompting placement of the shiny side of the black glass on the measuring port Check that the sampl
34. or custom reporting Y 70 04 Measuring Coffee Color 2 29 CFEZ Coffee Color User s Manual Version 1 1 Setup Maintenance Setup Maintenance is selected from the DEA main menu by moving the cursor highlight to its position using the UP and DOWN buttons and then pressing the GO button The Setup Maintenance menu appears Select the desired command from the menu by moving the cursor highlight to its position using the up and down arrow buttons and then pressing the right arrow button The available commands are described below Reset All Setups gt Reset All Setups first gives a confirmation Setup Maintenance cA message then if GO is selected returns i PRINT ONE SETUP gt all product setups to their default factory PAARE values MAIN MENU 2 30 Measuring Coffee Color CFEZ Coffee User s Manual Version 1 1 Print All Setups gt This command causes the product setup parameters to be sent through the USB port for all the product setups If the USB able is connected to a printer the parameters will be printed Ifthe cable is connected to a computer or other device it will be sent there Print One Setup gt Print One Setup provides a screen to select the product setup to print Select the desired setup from the list by moving the cursor highlight to its position using the up and down arrow buttons and then pressing the GO Print button The product setup s parameters
35. return any goods to HunterLab prior to inspection by and authorization of the carrier 3 File a claim against the carrier Substantiate this claim with the examining agent s report A certified copy of our invoice is available upon request The original B L is attached to our original invoice If the shipment is prepaid write for a receipted transportation bill 4 Advise HunterLab regarding replacement Parcel Post Shipment 1 Notify HunterLab at once in writing giving details of the loss or damage This information is required for filing a claim 6 54 Instrument Replacement Repair Problems amp Questions CFEZ Coffee User s Manual Version 1 1 2 Hold the damaged goods with their container and packaging for possible inspection by postal authorities 3 Advise HunterLab regarding replacement United Parcel Service 1 Contact the local UPS office regarding damage and insurance claims Each UPS office has a different procedure for handling claims 2 Retain the container and packaging 3 Notify HunterLab at once for replacement Shortage Perform the following procedure if the order appears incomplete 1 Check the packing list notations The apparent shortage may be a backordered item and may be marked as an intentional short ship 2 Re inspect the container and packing material particularly to locate smaller items 3 Ascertain that the item was not removed by unauthorized personnel prior to complete unpac
36. rovided for convenience in ordering External Printer A13 1014 259 The external printer connects to the ColorFlex EZ s USB port and prints measurement data or product setup parameters on request A communications cable is provided to connect the printer to the ColorFlex EZ The printer is automatically detected by the ColorFlex EZ once connected Keyboard A13 1014 294 The optional flexible keyboard connects to the ColorFlex EZ s USB port to allow easy entry of any alphanumeric information such as setup or sample ID names The up down left and right arrow keys on the keyboard correspond to the same buttons on the ColorFlex EZ button pad Introduction 1 11 CFEZ User s Manual Version 1 1 The Enter key on the keyboard emulates the center Go button on the ColorFlex EZ s button pad Numbers and letters may be typed on the keyboard as usual The keyboard is automatically detected by the ColorFlex EZ once connected Bar Code Scanner A13 1014 254 The optional bar code scanner connects to the ColorFlex EZ s USB port to allow scanning of a bar code for the ID tag of a reading after the reading is made The bar code reader is automatically detected by the ColorFlex EZ once connected 1 12 Introduction CFEZ Coffee User s Manual Version 1 1 Installation Before operating the ColorFlex EZ the instrument needs to be connected to a power source In addition the instrument may also be conn
37. s 55 Reading 26 Reading the Coffee Tile 23 Repairs 58 62 Index CFEZ Coffee User s Manual Version 1 1 Replacing the Lamp 47 Reset All Setups 33 Returns 58 Safety notes 2 Sample 17 Sample Devices 12 Samples Preparing 24 Presenting 24 Selecting 24 Saved Readings 30 Screen angle 38 Selecting samples 24 Setup Maintenance 33 Setups Locked 40 Shipment Shortage 57 Shipping Claims 56 Shipping instrument 59 Signal Levels 49 Specifications 51 Standard 16 Standardization 19 Standards 46 Standards care card 10 Stdz Interval 41 Terminology 16 Testing ColorFlex EZ 45 Tile data sheet 10 Tolerances 17 USB cable 10 View Saved Readings 31 Viewing 52 Warranty 55 When You Need Assistance 60 White calibrated tile 10 Index 63
38. s 9 AutoSave 40 Autosearch 41 Average 42 Backlight 39 bar code reader 27 Bar Code Scanner 13 Basics of ColorFlex EZ Operation 15 black glass 10 Broken instruments 56 button pad 15 Button Pad 15 calibrated tile 10 Certificate of traceability 10 Cleaning the ColorFlex EZ 45 Clone All Setups 35 Coffee Tile 10 Color Diff 41 Contrast 39 Damaged instruments 56 Datalog 32 Date time 42 Delete All Readings 30 Diagnostics 47 Display Dim 39 Display Off 39 Display settings 38 47 Disposable Polystyrene Tissue Culture ishes 10 External Printer 12 Filter By Setup gt 32 Global Options 37 Green Tile Check 48 Illumination 52 Index 61 CFEZ Coffee User s Manual Version 1 1 Incorrect Shipment 58 Installation 14 Instrument Performance 53 Instrument Repair 55 Instrument Replacement 55 Keyboard 12 Lamp 47 Language 38 LCD Display 15 Lens brush 11 Lens wipes 11 main menu 16 Maintaining ColorFlex EZ 45 Maintaining the Instrument Standards 46 Measuring Coffee Color 19 Menus 16 Modifying HCCI Parameters 28 NIST traceable 10 Operating Conditions 51 Operation 15 Options 12 Packing instrument 59 Performance 53 Physical Characteristics 52 Preparing samples 24 Presenting samples 24 Print All Readings 31 Print All Setups 34 Print One Setup 34 Printer 12 Problems 55 Product Setup 22 Product Standard 16 Prompts 16 Question
39. trument is configured at the factory There is one setup and two views for the 460 Coffee Roast setup Acka For other applications the setups may be modified Up to 250 product setups may be stored in the ColorFlex Coffee memory When Reset Setups is chosen from the ColorFlex EZ SETUP MAINTENANCE on the Main Menu the default parameters for HCCI are restored 2 20 Measuring Coffee Color CFEZ Coffee User s Manual Version 1 1 Table 1 Coffee Index Product Views HCCI D65 10 SCAA No D65 10 SCAA Roast Classification D65 10 D65 10 Reading the Coffee Tile The coffee tile s used as a PQ Performance Qualification check to ensure that your instrument is reading the coffee samples consistently over time in the 640nm region of the spectrum After standardization read the coffee tile as a sample and the readings should be consistent to values Read at Factory from day to day and week to week Measuring Coffee Color 2 21 CFEZ Coffee Color User s Manual Version 1 1 Selecting Preparing and Presenting Samples l Choose samples that are representative of the material used If samples are non representative of the batch or are spoiled damaged or irregular then the result may be biased When choosing a sample select randomly and examine the sample to avoid biased results If the sampling procedure is adequate a different sample selected from the same batch should result in comparable measured va
40. x have been entered It would not be a typical practice but it is possible to modify the slope and intercept for the HCCI calculations to improve inter instrument agreement if needed or implement a customer roast scale 1 From the GLOBAL OPTIONS MENU choose HCCI 2 Select the Coffee Index coefficient to change and press the NEXT arrow to continue 3 When all coefficients have been edited press GO to return to the MAIN MENU 4 The HCCI metric in the display screen will have an asterich beside it indicating the default coefficients have been modified 5 To return to the original values select SETUP MAINTENANCE from the MAIN MENU Press RESET ALL SETUPS 2 26 Measuring Coffee Color Global Options 1 ANGUAGE ENGLIS ISPLAY SETTINGS gt ETUPS LOCKED OF AUTOSAVE IDZ INTERVAL Ch AUTOSEARCH gt ATE TIME gt ZMAIN MENU N HCCI Parameters 1 HCCI m R 640 b m SB b 3 320 D65 10 27 31 14 98 17 09 HCCI 26 5 NEXT Setup Maintenance MAIN MERU CFEZ Coffee User s Manual Version 1 1 Working with Saved Readings Readings stored in the ColorFlex EZ s memory during the read process may be viewed printed and deleted later f desired To work with saved readings select Saved Readings from the main menu by moving the cursor highlight to its position using the up and down arrow buttons and then pressing the GO button The Saved Readin
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