HunterLab D25-PC2A Instruction Manual Download Page 86

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Summary of Contents for D25-PC2A

Page 1: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

Page 2: ...D25 PC2 1 C O L O R I M E T E R HUNTER ASSOCIATES LABORATORY INC 11491 Sunset Hills Road Reston Virginia 2090 703 4 11 6 87 0 Revision 1 7 7 87 Artisan Technology Group Quality Instrumentation Guaran...

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Page 4: ...e 4 4 4 5 4 Instrument Warm Up Time 4 4 4 5 5 Checking Calibration of the Instrument 4 4 4 5 6 Standard Instrument Techniques 4 5 4 6 Changing Position of Optical Sensor 4 5 4 7 Exchanging Optical Sen...

Page 5: ...Shortage 8 2 Incorrect Shipment 8 3 8 3 Returns 8 3 8 4 Service 8 3 8 4 1 8 4 2 Return of Instrument for Repair 8 3 __ On Site Repair 8 3 9 Options 9 1 9 2 9 3 9 4 9 5 9 6 9 7 9 8 9 9 9 10 9 11 9 12...

Page 6: ...closely approximate CIE 2 Standard Observer for Illuminant c This geometry excludes specular reflection from measurement and essentially eliminates the effect of direction ality Electrical signals ar...

Page 7: ...usually the first step of any procedure it is not necessary to restandardize after initial stan dardization more often than once or twice a day The use of certain options requires recalibration but t...

Page 8: ...r 2 inch 51mm diameter sample area Sensor Interface Unit 100 120 220 or 240 VAC 10 single phase 50 60 Hz 200 VA maximum Set for _f2_0__ VAC 2 2 Tridimensional Scales X 10 86 Standard Hunter L a b and...

Page 9: ...T 452 includes TAPP filter Optical Sensor Option D25 2RAI Reduced Area Illumination and cali brated B value on white standard Brightness Z1 External Communications Software D25 2TS1 Transfer Standard...

Page 10: ...ALUES VALUES X y z X ILLUMINANT C 1931 CIE 2 Observer Wh i teC2 f7282 __M J JL 86 08 101 51 YI 0 3 w 85 6 z NA Pink C2 27283 46 5 41 7 39 3 46 8 Gr eenC2 27284 37 1 44 0 44 5 37 7 Yellowf 2 27285 60 2...

Page 11: ...05 Optional Cover Glass Port Insert Assembly 25mm Part 02662409 Optional Cover Glass Port Insert Assembly 51mm Part 02662400 Optional Sample Port Insert 6mm Part 04662300 Optional Sample Port Insert 1...

Page 12: ...rt 13851210 Optional Sample Cell 2 5 in 63 5mm diameter round all glass body and bottom for use with highly solvent liquids Part 04720900 Optional Sample Dish 5 inch 130mm diameter round x 2 inch 51mm...

Page 13: ...Calibration Data Photodetector Block Temperature 100 F 38 C Cyclic Redundancy Check CRC _______1_ 5 _1_6_0________ 2 87 2 6 PC2A 0 45 Artisan Technology Group Quality Instrumentation Guaranteed 888 8...

Page 14: ...nch 21 6cm deep x 6 5 inch 16 51cm high 18 lb 8 2kg 2 Power Required Standard 100 120 220 or 240 VAC 10 single phase 50 60 Hz 200 VA maximum 3 1 2 Conditions of Illumination and View 1 Size of sample...

Page 15: ...Four solid state silicon diode detectors Four broad band filters tristimulus Y Z X amber and X blue Spectral response adjusted for average daylight designated as Illuminant C by CIE specifications 3...

Page 16: ...is the deviation from mean experienced when measuring a single sample on a single instrument Color values are REPRODUCIBLE to a standard devia tion of 0 2 L a b scale units Reproducibility is the devi...

Page 17: ...bserver as defined by the 1931 2 Standard Observer 2 L a b Opponent Color Scales Hunter L a b CIE 1976 L a b The opponent color scales give measurements of color in units of approximate visual uniform...

Page 18: ...eries of dye house commercial matches in 193 9 b The CIE 1976 L a b Scale is recommended by the Commis sion Internationale de l Eclairage CCIE It is a sim plified cube root version of the Adams Nicker...

Page 19: ...If h0 std h0 smp then AH is regarded as negative See Recommendation On Uniform Color Spaces Color Difference Equations Psychometric Color Terms Supplement No 2 to CIE Publication No 15 E 1 3 1 CIE Pa...

Page 20: ...1 b a S S 1 0 2 Negative a value and positive b value places the standard in upper left quadrant 3 Ratio of 1 0 found in step 1 places the standard in Block D from 2 414 to 0 414 4 Since the AH was pl...

Page 21: ...l 2 Difference between Sample and Standard Note 1 Limited to X Xn Y Yn Z Zn O Ol Where 1 X Y Z are tristimulus values 2 Xn Yn Zn are tristimulus values for the perfect reflecting diffuser for the stan...

Page 22: ...CAL EXPLANATION OF PSYCHOMETRIC COLOR DIFFERENCE TERMS 1 Ac I I I I Standard l L stdl ll a 1 aistdl lo Figure 3 1 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisant...

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Page 24: ...G I L _____J 1 D E _ a VERY VERY LARGE I ARGE NEGATIVE POSITIVE C IBRT I G VERY VERY LARGE LARGE POSITIVE JEGATIVE 2 414 2 414 la POS 1 I I 11 POSI L ____ J b 0 414 a 0 414 ia Posi I b NEG I _j Artisa...

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Page 26: ...is as follows X X y X Y Z X Y Z 4 Hunter Rd a b Color Scale The relationship between the Hunter Rd a b values and the CIE X Y Z values is as follows Rd Y a 175 f Y X 98 04 Y 100 b 70 f Y Y 100 Z 118...

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Page 28: ...nt to the factory Refer to Sec 2 for a checklist of items shipped 2 Remove the tape covering the sample port of the optical sensor 3 Connect the Epson to the SIU by inserting the round end of the RS 2...

Page 29: ...U must now be plugged into a power outlet as specified in Sec 2 1 The instrument is equipped with a three pronged plug and will not operate properly un less it is plugged into a three hole receptacle...

Page 30: ...ed center it carefully at the sample port Never use a calibrated tile to back up samples being measured The uncali brated white tile may be used as a back up tile and is normally left at the sample po...

Page 31: ...a into 70 F operating area sufficient time should be allowed for the instrument to stabilize 4 5 5 Checking Calibration of the Instrument The tiles supplied in the standards box may be used to check t...

Page 32: ...d SIU with a dual sensor serial interface switch NOTE The calibrated white tile values are stored in the SIU If two sensors were purchased as part of the original instru ment the SIU will contain the...

Page 33: ...use fails immediately the standby box should be inspected for burned or shorting wires DO NOT USE A FUSE OTHER THAN A 1 AMP SLO BLO FUSE Setting the Time and Date on an Epson HX 40 The following is th...

Page 34: ...MON 2 TUE 3 WED 4 THU s FRI 6 SAT For the date above type 1 for Monday and press the RETURN key 9 Press the RETURN key twice more to get the RAM disk and user BIOS sizes to their default values This...

Page 35: ...w date and or time 4 9 Turning D2S PC2A Off 3 87 The Epson should be turned off whenever it is not in use by first turning off the printer and then turning off the Epson The SIU should be turned off w...

Page 36: ...displayed ZEROED PLACE THE WHITE STANDARD AT THE SPECIMEN PORT AND PRESS READ 4 Place the calibrated white instrument tile at the sample port 5 Press READ After the top of the scale has been set the...

Page 37: ...ent will be displayed 3 4 5 Press the numeric key which corresponds to the desired scale 2 for example Press INDEX A menu of indices installed in the instrument will be displayed Press the numeric key...

Page 38: ...which corresponds to the desired scale 2 for example 4 Press INDEX A menu of indices installed in the instrument will be displayed 1 5 Press the numeric key which corresponds to the desired index 1 fo...

Page 39: ...st When DELTA is pressed again the values that are currently in the sample register will be set as the product standard and the deltas will be displayed as zeros 14 To advance the paper press PAPER FE...

Page 40: ...g used for standardization of the instrument Since this white standard will have no calibrated blue amber ratio assigned to it it will be necessary to determine the proper blue amber ratio NOTE Calcul...

Page 41: ...he display 9 Key in a trial B A ratio 2300 for example and press RETURN 10 Press ESC to return to the additional capabilities menu 11 Press ESC to return to the measurement mode STDZ 12 Press STDZ to...

Page 42: ...DIAG and repeat steps 3 through 11 above for entering values for a white tile transfer standard Enter a reduced ratio 2 2oo for example Repeat steps 3 11 Repeat 19 Restandardize on the transfer standa...

Page 43: ...SC TO EXIT 2 Press ESC to return to the standards menu 3 Press ESC to return to the additional capabilities menu 4 Press ESC to exit to color measurements 6 2 2 Blue Standard Values Read at Factory 1...

Page 44: ...instrument standard The values will be displayed in the following format CURRENT YELLOW STANDARD VALUES X Y Z PRESS ESC TO EXIT 2 Press ESC to return to the standards menu 3 Press ESC to return to th...

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Page 46: ...aching the end of its useful life the light output may fluctuate causing equivalent fluctua tions in the instrument readout To change the source lamp 1 Unplug the SIU 2 Remove any samples from the sam...

Page 47: ...up 15 minutes to 2 hours depending on condition of the optical sensor 10 Restandardize the instrument Sec 5 1 before making measurements and run the lamp voltage adjustment diagnostic Sec 7 2 4 1 1 2...

Page 48: ...A __ I __ I I 1 I v I I I I I I I I I I I I 1 1 I I l J __ I r I SOURCE LAMP ASSEMBLY LAMP BOARD SCREW LAMP LEAD CONNECTOR ____ MIRROR ADJUSTING SCREW LAMP COVER LAMP COVER SCREW FIGURE l D25A OPTICAL...

Page 49: ...T ADJUSTMEN TS 0 0 i 0 II y Xa X Xb z II LAB JACK D 5M L OPTICAL SENSOR HEATSINK FASTENERS LAMP HEAT ABSORBING FILTER SILICON DIODE DETECTOR ASSEMBLY SPECIMEN VIEHING APERTURE SUPPORT STAND Artisan Te...

Page 50: ...ze of the light beam at the sample port may affect the calibration of the instrument is in question For Land M optical sensors To gain access to the interior of the optical sensor you may remove the s...

Page 51: ...MP VOLTAGE 2 LAMP ADJUST 3 AID COUNTS 4 PROM CRC S RAM TEST 6 PORT SETUP ESC EXIT 3 Press the numeric key that corresponds to the desired diagnostic routine 7 2 1 Lamp 1 2 3 4 While in the diagnostics...

Page 52: ...d read too high a decrease in source voltage would be necessary If the source voltage has to be changed by an amount greater than the adjust ment range available the lamp circuit should be checked and...

Page 53: ...display of the signal level output from the A D converter for each of the functions Xa Xb Y and z continuously updating The level for one volt is 3276 counts The normal counts with the black glass at...

Page 54: ...be 0 Adjust the appropriate trimpot in the optical sensor using the trimpot adjusting tool or a small screwdriver until the value displayed falls below 16383 4 Press ESC to return to the diagnostic me...

Page 55: ...for the range of the internal A D converter particularly when reading fluorescing samples If this ___ messag is displayed see Sec 7 2 5 2 BREAK IN displayed when there is a break in the program where...

Page 56: ...tively high humidity can also cause moisture to condense on critical surfaces This moisture can create current leakage problems in photodetector circuits Al ways operate the instru ment on STANDBY for...

Page 57: ...If this occurs make sure the SIU power is connected and turned on and properly connected at both ends If this recurs run the SIU loopback test as follows a Remove the RS 232 cable which connects the S...

Page 58: ...a particular detector to give accurate spectral response 4 Disconnect the SIU from the power line before opening the optical sensing unit except when only changing the lamp 5 If normal troubleshooting...

Page 59: ...ge d Defective or dirty trimpot slider in sensor 7 12 CHECKS AND CORRECTIONS a For additional proof run AID COUNT diagnos tics If the counts except Xa on a white tile are below 10000 the signals are t...

Page 60: ...a Loss of battery back up power b Screen contrast too low 7 13 CHECKS AND CORRECTIONS e Check the ground wires and cable shielding between the optical sensor case and signal processor chassis f Check...

Page 61: ...hite standard damaged or has changed values b Bottom of scale calibration incorrect 7 14 CHECKS AND CORRECTIONS GENERAL RULES a Make certain that the standards are clean and undamaged b Check lamp Che...

Page 62: ...ance or repair of our equipment directed to the Field Service Department can then be knowledgeably handled HunterLab Warranty does not cover expendable items such as lamps fuses batteries etc The Warr...

Page 63: ...iner and packing 3 Each UPS off ice has a different method of handling these occurrences and will advise you of procedure 4 Notify HunterLab at once for replacement 8 2 2 Shortage 1 Check packing list...

Page 64: ...r or b A HunterLab service department technician can go to your facility for on site repair 8 4 1 Return of Instrument for Repair To facilitate scheduling and efficient repair autho rization should be...

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Page 66: ...scribed in the basic operating sections The following options are described in this section 9 1 9 2 9 3 9 4 9 S 9 6 9 7 9 8 9 9 9 10 9 11 9 12 9 13 9 14 9 1S 2 87 Reduced Area Illumination and Small A...

Page 67: ...PERTURE Operation Samples should be measured as quickly as possible to reduce the chance of fading due to the increased inten sity of illumination when using reducing lenses 1 Turn the two pointer kno...

Page 68: ...r To insure repeatability of measurements extra care should be taken when using the reducing lenses to measure the same spot on the sample or standard 9 1 3 Maintenance The surfaces of the reducing le...

Page 69: ...INCH DIAMETER APERTURE AND MAY NOT BE MET WITH A SMALLER SIZE APERTURE 9 2 2 Operation 1 Remove the standard 2 inch sample port insert by pulling it out of the sample port insert retainer Place the d...

Page 70: ...APERTURE 9 3 2 Operation 1 Remove the standard 3 3 4 inch sample block by pres sing the two push button fasteners to release the block 2 Install the sample port insert retainer block by pressing the...

Page 71: ...URED SOME MATERIALS OFTEN SCARLET OR GREEN FLUORESCE DUE TO EXCITATION BY VISIBLE RATHER THAN ULTRAVIOLET WAVE ____ LENGTHS AN ULTRAVIOLET ABSORBING FILTER WOULD NOT ELIMINATE THIS TYPE OF FLUORESCENC...

Page 72: ...rdize the instrument as described in Sec S 1 2 Press INDEX A menu of the optional indices installed in the instrument will be displayed 3 Press the numeric key that corresponds to WI to display the wh...

Page 73: ...that sample and delta values will be updated 11 Press INDEX to display the index menu 12 Select another index by pressing the desired key 9 8 PC2 0 45 Artisan Technology Group Quality Instrumentation...

Page 74: ...st method accordingly wyszecki G and w s Stiles Color Science John Wiley and Sons New York 1982 p 768 Yellowness in terms of visual appearance is caused by absorption in the blue part of the spectrum...

Page 75: ...sample port 7 Press READ The yellowness index of the sample will be displayed s Press DELTA to set the delta mode The YI values will be displayed as the standard 9 Place a second sample at the sample...

Page 76: ...NDEX A menu of the optional indices installed in the instrument will be displayed 3 Press the numeric key that corresponds to OPACITY The following message will be displayed PLACE SAMPLE WITH WHITE BA...

Page 77: ...at Op Y PRESS READ TO REDO PRESS ESC TO EXIT s Press PRINT to print the opacity values 9 Press READ to cycle through another opacity mea surement 10 Press ESC to display the index menu 11 Select anoth...

Page 78: ...a 0 127a 2 0 8051b TABR Ratio of the Hunter a value divided by the Hunter b value 9 8 2 Operation 1 Standardize the instrument as described in Sec 5 1 2 Enter the XYZ values of the tomato standard int...

Page 79: ...lace a sample at the sample port 9 Press READ The values for that sample and delta values will be updated 10 Press INDEX to display the index menu 11 Select another index by pressing the desired key 9...

Page 80: ...pecified in TAPPI Method T 452 9 9 2 Operation 1 Turn the two pointer knobs on the front of the optical sensor so that both reducing lenses are rotated into the beams both knobs pointing toward center...

Page 81: ...ion when the option is enabled UNTIL a normal standardization is performed Therefore the operation can read samples with and without the TAPPI filter without standardization One word of caution When t...

Page 82: ...per brightness but Z is widely used as an indicator of paper brightness 9 10 2 Operation 1 Standardize the instrument as described in Sec s 1 2 Press INDEX A menu of the optional indices installed in...

Page 83: ...alues NOTE Calculations are carried out to a higher precision internally than is displayed When entering data up to five significant figures may be entered 9 11 2 Standardizing on a Transfer Standard...

Page 84: ...o the prior standard i zation not the transfer standard To display the values relative to the transfer standard reread the product standard and press DELTA twice i e once to disable the delta mode and...

Page 85: ...stored 1 for example for example ESC 10 Press ESC to exit the program 9 11 4 Recalling a Transfer Standard STDZ 2 2 1 for example ESC 11 86 This section applies only if option D25 2TS2 10 transfer st...

Page 86: ...ess READ The values for that sample will be updated and the average counter will be incremented by one 8 Repeat steps 6 and 7 for all the samples to be averaged 9 Press AVG The averaged sample values...

Page 87: ...ored it may be desirable to recall color values of one or more product standards and then use the stored values rather than the product standards themselves in the calculation of color differences bet...

Page 88: ...1 Press PSTD to display the following screen The color scale displayed is the current one CURRENT PRODUCT STANDARD VALUES L a b PRESS 1 STORE 2 RECALL 3 ENTER ESC EXIT 2 Press 3 The following prompt...

Page 89: ...easurements as described in Sec 5 4 starting with step 9 9 13 4 Recalling Product Standards PSTD 2 I 6 I for example ESC 11 86 1 Press PSTD to display the product standard values screen 2 Press 2 The...

Page 90: ...display the following menu of five self diagnostics and a port setup routine DIAGNOSTICS MENU PRESS 1 LAMP VOLTAGE 2 LAMP ADJUST 3 A D COUNTS 4 PROM CRC 5 RAM TEST 6 PORT SETUP ESC EXIT 3 Press 6 to i...

Page 91: ...perations 1 After setting up the external communications port Sec 9 14 2 standardize the instrument as described in Sec 5 1 2 Proceed with measurements of samples as described in Secs 5 3 and 5 4 3 Pr...

Page 92: ...ting manual substituting the IBM PC for the Epson To copy the option diskette onto a working diskette do the following SINGLE FLOPPY DRIVE 1 Start the computer with the DOS diskette which must contain...

Page 93: ...DOS diskette and insert option diskette in Drive A 8 Type COPY A B and press RETURN 9 When completed the new diskette will contain all files necessary to run the program 10 Use DISKCOPY to copy this d...

Page 94: ...ill start and the following menu will be displayed Fl READ F2 DELTA F3 SCALE F4 STDZ FS PRINT F6 AVG F7 PSTD F8 INDEX F9 DIAG 7 Follow the instructions in Sec 5 for standardizing and operating the ins...

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Page 96: ...hich may be selec ted Upon selection of a scale the display will update 1 XYZ Displays the X Y Z values 2 Lab Displays the L a b values 3 L a b Displays the L a b values 4 Yxy Displays the Yxy values...

Page 97: ...following indices will be available o None 1 YI D1925 Displays the yellowness index 2 WI E313 Displays the whiteness index 3 AE Lab Displays AE AC if in Lab color scale 4 AE CIELAB Displays AE AC AH i...

Page 98: ...C EXIT 2 VIEW STANDARD Displays a menu of three standards VIEW STANDARD MENU PRESS 1 WHITE STANDARD 2 BLUE STANDARD 3 YELLOW STANDARD ESC EXIT 3 TOP OF SCALE STANDARD Displays the values and the b a r...

Page 99: ...est to Send RTS 5 Clear to Send CTS 6 Data Set Ready DSR 7 Signal Ground 8 Tied to pin 20 12 Tied to pin 20 14 Test output 18 Test input 20 Data Terminal Ready DTR 22 Tied to pin 20 Do not connect to...

Page 100: ...y New York 1975 Kenneth L Kelly and Deane B Judd The ISCC NBS Method of Designating Colors and a Dictionary of Color Names NBS Circular 553 u s Government Printing Office 1955 David L MacAdam Sources...

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Page 102: ...r difference 5 3 Color scales 1 1 3 4 Colorimeter 1 1 Component color difference 5 3 Connections 4 1 Cover glass port insert 4 3 Cyclic redundancy check 7 7 D Data Display 3 2 Delta function key descr...

Page 103: ...description 10 1 function keys location 4 3 L Land M sensors description 1 1 Lamp adjustment 7 5 Lamp voltage diagnostics 7 4 M Maintenance 7 1 0 lens surface 7 2 photodetector temperature 7 3 source...

Page 104: ...ations 3 1 Print function key description 10 2 Product standard storage 9 22 PSTD function key description 10 2 R RAM diagnostics 7 7 Read function key description 10 1 Read sample s 2 5 3 Read standa...

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Page 106: ...with the standby operate switch on standby B The instrument should be placed in a draft free area with medium or subdued lighting When not iri use the instrument should be stored with sample viewing...

Page 107: ..._ _ __ q _f i r t f r J J J L 1 I Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 108: ...comparing with factory read values to verify correct functioning of equipment 1 Align all tiles as described in section A 4 2 Read tiles in the following order pink green yellow blue and grey 3 Docum...

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Page 110: ...area Check sample placement by looking through the sample viewing area F Test printed portion of foam by aligning printing within the l aperture so that the N in Nitrodisc and the first digit of the...

Page 111: ...s T Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 112: ...orimeter calibration Form Colorimeter Calibration X y z Comments Adjustments made Calibrated by Date Part Lot of material tested _ 4 r j _ r t _ _ _ _ if _ _ _ _ _ _ _ __ Artisan Technology Group Qual...

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Page 114: ...2 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Comments _ _ It f i_ Attachment II Colorimeter Testing Form Colorimeter Testing X Lot Number y __ t z L a b 1 _______ 1 _ Artisan Technology Gro...

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Page 116: ...Wh i teC2 27282 84 08 86 08 101 51 84 1 86 1 101 5 2225 YI 0 3 w 85 6 z NA BT NA _ Pink C2 27283 46 5 41 7 39 3 46 8 42 0 39 5 Gr eenC2 27284 37 1 44 0 44 5 37 7 44 5 45 1 YellowC2 27285 60 2 61 8 41...

Page 117: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 118: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

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