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Tektronix LumaColor II J18, Instruction Manual

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Tektronix LumaColor II J18 Instruction Manual Download Page 13

General Safety Summary

J18 Photometer Instruction Manual

vii

Symbols on the Product

The following symbols may appear on the product:

 

DANGER

High Voltage

Protective Ground

(Earth) Terminal

ATTENTION

Refer to

Manual

Double 

Insulated

General Safety Summary

J18 Photometer Instruction Manual

vii

Symbols on the Product

The following symbols may appear on the product:

 

DANGER

High Voltage

Protective Ground

(Earth) Terminal

ATTENTION

Refer to

Manual

Double 

Insulated

Summary of Contents for LumaColor II J18

Page 1: ...servicing unless you are qualified to do so Refer to the Safety Summary prior to performing service J18 LumaColor II Photometer Instruction Manual 070 9021 03 This document applies to firmware version...

Page 2: ...P O Box 1000 Wilsonville OR 97070 1000 TEKTRONIX and TEK are registered trademarks of Tektronix Inc Copyright E Tektronix Inc All rights reserved Tektronix products are covered by U S and foreign pate...

Page 3: ...y IEC 801 2 Electrostatic Discharge IEC 801 3 RF Radiated IEC 801 4 Fast Transients IEC 801 5 Surge EC Declaration of Conformity We Tektronix Holland N V Marktweg 73A 8444 AB Heerenveen The Netherland...

Page 4: ......

Page 5: ...RESPECTIVE OF WHETHER TEKTRONIX OR THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES WARRANTY Tektronix warrants that this product will be free from defects in materials and workmanship...

Page 6: ......

Page 7: ...onditions 2 5 Storing Measurements 2 6 Recalling Stored Measurements 2 7 Comparing Measurements 2 8 J18 Photometer Instruction Manual i Table of Contents General Safety Summary v Service Safety Summar...

Page 8: ...am B 2 The 1976 CIE UCS Chromaticity Diagram B 6 Spectral Tristimulus Values B 8 Glossary and Index Table of Contents ii J18 Photometer Instruction Manual Reference RS 232D Operation 3 1 RS 232 Pin Co...

Page 9: ...re B 5 Spectral Tristimulus Values for Equal Spectral Power Source CIE 1931 Standard 2 Observer B 8 Table of Contents J18 Photometer Instruction Manual iii List of Figures Figure 1 1 Low Battery Warni...

Page 10: ...le B 1 Spectral Tristimulus Values for Equal Spectral Power Source CIE 1931 Standard 2 Observer B 9 Table of Contents iv J18 Photometer Instruction Manual List of Tables Table 2 1 Factory Preset 6500...

Page 11: ...res If you suspect there is damage to this product have it inspected by qualified service personnel J18 Photometer Instruction Manual v General Safety Summary Review the following safety precautions t...

Page 12: ...ely accessible as you read the marking CAUTION indicates a hazard to property including the product General Safety Summary vi J18 Photometer Instruction Manual Do Not Immerse in Liquids Clean the prob...

Page 13: ...uct DANGER High Voltage Protective Ground Earth Terminal ATTENTION Refer to Manual Double Insulated General Safety Summary J18 Photometer Instruction Manual vii Symbols on the Product The following sy...

Page 14: ...s of this product unless another person capable of rendering first aid and resuscitation is present viii J18 Photometer Instruction Manual Service Safety Summary Only qualified personnel should perfor...

Page 15: ...eter H Performance Verification H Maintenance H Replaceable Parts H Appendices H Glossary and Index J18 Photometer Instruction Manual ix Preface This manual contains information to support user operat...

Page 16: ...Preface x J18 Photometer Instruction Manual Preface x J18 Photometer Instruction Manual...

Page 17: ...Getting Started Getting Started...

Page 18: ......

Page 19: ...wered operation AC adapter available as an optional accessory H Backlighted display H Analog output J18 Photometer Instruction Manual 1 1 Product Description The J18 is a digital photometer radiometer...

Page 20: ...with the name of your company a person to contact at your company and a description of the problem Product Description 1 2 J18 Photometer Instruction Manual Unpacking the J18 LumaColor II Photometer...

Page 21: ...the battery voltage is below 7 2 volts at initial power on the J18 will not complete the self test J18 Photometer Instruction Manual 1 3 Power Options The J18 may be powered by either of two sources...

Page 22: ...the J18 and make sure that the low battery warning is not flashing Figure 1 2 Replacing the Battery Power Options 1 4 J18 Photometer Instruction Manual Battery Installation CAUTION Follow the manufact...

Page 23: ...NOTE AC power adapters that provide less than 12 volts may not automatically turn on the backlight Power Options J18 Photometer Instruction Manual 1 5 Using the Optional AC Power Adapter The J18 may...

Page 24: ...Power Options 1 6 J18 Photometer Instruction Manual Power Options 1 6 J18 Photometer Instruction Manual...

Page 25: ...e the photometer power off and then on again This procedure ensures a complete photometer auto zero J18 Photometer Instruction Manual 1 7 Functional Check The J18 performs a self test when first turne...

Page 26: ...s the firmware version that is installed See Figure 1 6 Figure 1 6 Typical Firmware Version Display Functional Check 1 8 J18 Photometer Instruction Manual 3 After the auto zero is complete all of the...

Page 27: ...n the selected color coordinate system See Figure 1 8 Figure 1 8 Typical Color Chromaticity Display Functional Check J18 Photometer Instruction Manual 1 9 5 After the firmware version is displayed the...

Page 28: ...es the error message shown in Figure 1 10 Figure 1 10 Sensor Head Missing or Not Recognized Display Functional Check 1 10 J18 Photometer Instruction Manual If the attached sensor head is a single chan...

Page 29: ...Operating Basics Operating Basics...

Page 30: ......

Page 31: ...compartment The POWER switch turns the J18 on or off The J18 performs a brief self test at power on J18 Photometer Instruction Manual 2 1 Functional Overview This section provides a overview of the co...

Page 32: ...ill have no effect with other heads Refer to Appendix B for information on color coordinate systems Functional Overview 2 2 J18 Photometer Instruction Manual J18 Control Descriptions and Operation Pre...

Page 33: ...ntial measurement mode The color coordinate system in use is displayed on the right side J1810 only Functional Overview J18 Photometer Instruction Manual 2 3 J18 Display The HOLD icon is displayed whe...

Page 34: ...ut output samples the amplifier output before the A to D converter See page 3 9 9 to 16VDC 50mA MAX Functional Overview 2 4 J18 Photometer Instruction Manual J18 Side Panel Connections ANALOG OUTPUT R...

Page 35: ...J1800 Series LumaColor Photometer Sensor Heads Technical Reference for specific turn on procedures J18 Photometer Instruction Manual 2 5 Tutorial This section lists step by step instructions for stor...

Page 36: ...2 1 Measurement with HOLD 2 Press the DIFF REF button to select the differential measure ment mode Tutorial 2 6 J18 Photometer Instruction Manual Storing Measurements NOTE The STORE button will only...

Page 37: ...d in the memory location 4 Press the HOLD RUN button to return to the differential measurement mode Tutorial J18 Photometer Instruction Manual 2 7 3 Repeatedly press the DIFF REF button to select the...

Page 38: ...TE The bargraphs are nonlinear to provide improved resolution when approaching the reference values Tutorial 2 8 J18 Photometer Instruction Manual 5 Press the HOLD RUN button again to return to the di...

Page 39: ...DIFF REF button to display the difference measure ment using the reference value selected in step 2 Tutorial J18 Photometer Instruction Manual 2 9 Factory stored reference values for video display whi...

Page 40: ...Tutorial 2 10 J18 Photometer Instruction Manual Tutorial 2 10 J18 Photometer Instruction Manual...

Page 41: ...Reference Reference...

Page 42: ......

Page 43: ...its 8 Stop Bits 1 Data Type Asynchronous Operational Mode Half duplex accepts software flow control J18 Photometer Instruction Manual 3 1 RS 232D Operation You can use the J18 LumaColor II Photometer...

Page 44: ...ound Receive Transmit RS 232 DB 9 Female 3 5 mm Stereo Phone Plug Figure 3 2 RS 232 Pin Connections RS 232D Operation 3 2 J18 Photometer Instruction Manual RS 232 Pin Connections An RS 232 cable is av...

Page 45: ...ure 3 3 Sample Measurement Message Each line is terminated by a carriage return and line feed CR LF J18 Photometer Instruction Manual 3 3 Syntax The data format for measurements consists of a units no...

Page 46: ...stimulus values u v 1976 CIE UCS color coordinate system x y units 1931 CIE color coordinate system Syntax 3 4 J18 Photometer Instruction Manual Table 3 2 lists the abbreviations the J18 uses when rep...

Page 47: ...cs Items in italics are names of parameters Specify the appropriate value when entering the command Syntax J18 Photometer Instruction Manual 3 5 Table 3 3 summarizes the syntax conventions of the comm...

Page 48: ...Syntax 3 6 J18 Photometer Instruction Manual Syntax 3 6 J18 Photometer Instruction Manual...

Page 49: ...f n 128 or greater causes the J18 to report measurements continuously until another command is sent J18 Photometer Instruction Manual 3 7 Commands The J18 LumaColor II Photometer recognizes ten comman...

Page 50: ...Commands 3 8 J18 Photometer Instruction Manual Commands 3 8 J18 Photometer Instruction Manual...

Page 51: ...s located on the right side panel of the J18 Analog Output Figure 3 4 Location of the Analog Output J18 Photometer Instruction Manual 3 9 Analog Output The J18 features an uncalibrated analog output f...

Page 52: ...uctor positive Time Constant 100 ms Output Level typical 0 to 5 VDC Output Impedance typical 100 kW Analog Output 3 10 J18 Photometer Instruction Manual Table 3 5 Analog Output Specifications Characte...

Page 53: ...Specifications Specifications...

Page 54: ......

Page 55: ...ical 30 hours IEC 6LR61 battery with backlight off and RS 232 unplugged Low Battery Indicator 7 2 V J18 Photometer Instruction Manual 4 1 Specifications Tables 4 1 through 4 5 list the specifications...

Page 56: ...ensions Height 198 mm 8 inches Width 93 mm 3 7 inches Depth 34 mm 1 3 inches Weight 1 4 kg 3 pounds Specifications 4 2 J18 Photometer Instruction Manual Table 4 3 Warranted Environmental Specification...

Page 57: ...version 3 to 3 000 cd m2 nit 1 to 10 000 fL J1823 Option 01 30 to 30 000 cd m2 nit 10 to 10 000 fL Specifications J18 Photometer Instruction Manual 4 3 Table 4 5 Warranted Sensor Ranges Sensor Range...

Page 58: ...Specifications 4 4 J18 Photometer Instruction Manual Specifications 4 4 J18 Photometer Instruction Manual...

Page 59: ...less you are qualified to do so Refer to all Safety Summaries before performing any service WARNING The following servicing instructions are for use only by qualified personnel To avoid injury do not...

Page 60: ......

Page 61: ...Performance Verification Performance Verification...

Page 62: ......

Page 63: ...d will not work with the J18 The J1820 sensor head will only work with the J17 LumaColor photometer J18 Photometer Instruction Manual 5 1 Performance Verification Performance verification procedures a...

Page 64: ...Performance Verification 5 2 J18 Photometer Instruction Manual Performance Verification 5 2 J18 Photometer Instruction Manual...

Page 65: ...Maintenance Maintenance...

Page 66: ......

Page 67: ...e procedures if you want to repair the photometer yourself There are no user adjustments in the J18 J18 Photometer Instruction Manual 6 1 Service Strategy The J18 is user serviceable to the circuit bo...

Page 68: ...Service Strategy 6 2 J18 Photometer Instruction Manual Service Strategy 6 2 J18 Photometer Instruction Manual...

Page 69: ...of the illumination Position the sensor head so that it does not shadow the surface being measured J18 Photometer Instruction Manual 6 3 Troubleshooting If the J18 LumaColor II Photometer or one of t...

Page 70: ...cedure in Checking the Power Supply to verify that the power supply and not the battery is at fault Troubleshooting 6 4 J18 Photometer Instruction Manual H Operating the sensor head in contact with th...

Page 71: ...g the hex wrench remove the four screws from the J18 front panel 3 Remove the back cover of the J18 Troubleshooting J18 Photometer Instruction Manual 6 5 The A1 Board Most functions of the J18 are loc...

Page 72: ...the problem is not the power supply If these voltages are not correct the A1 board must be replaced Troubleshooting 6 6 J18 Photometer Instruction Manual 4 Remove the five screws that attach the A1 bo...

Page 73: ...Replaceable Parts Replaceable Parts...

Page 74: ......

Page 75: ...ures of the list will help you find the all the information you need for ordering replacement parts J18 Photometer Instruction Manual 7 1 Replaceable Parts This section contains a list of the modules...

Page 76: ...ied Abbreviations Abbreviations conform to American National Standards Institute ANSI standard Y1 1 Replaceable Parts 7 2 J18 Photometer Instruction Manual Item Names In the Replaceable Parts List an...

Page 77: ...l 7 3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 6 8 Figure 7 1 J18 Replaceable Parts Replaceable Parts J18 Photometer Instruction Manual 7 3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18...

Page 78: ...Replaceable Parts 7 4 J18 Photometer Instruction Manual 1 2 Figure 7 2 J18 Optional Accessories Replaceable Parts 7 4 J18 Photometer Instruction Manual 1 2 Figure 7 2 J18 Optional Accessories...

Page 79: ...0 MM DIAPIN 7 MM H X 3 3 MM TAIL 3 COND W SWITCH MTG POST DC PWR JACK 1 AMP 12V J90 TK2427 ADC 016 Replaceable Parts J18 Photometer Instruction Manual 7 5 Fig Index No Tektronix Part No Serial No Eff...

Page 80: ...M OHM SW51 34361 B3F 3152 22 366 0720 00 1 PUSH BUTTON BLACK 0 156 X 0 156 X 0 218 H 61964 B32 1010 Replaceable Parts J18 Photometer Instruction Manual 7 6 Fig Index No Mfr Part No Mfr Code 12345 Name...

Page 81: ...232 CABLE 72 0 L 1Y013 012 1411 00 070 9017 02 1 MANUAL TECH TECH REF J1800 SENSORS 80009 070901701 Replaceable Parts J18 Photometer Instruction Manual 7 7 Fig Index No Mfr Part No Mfr Code 12345 Name...

Page 82: ...DRIVE BEAVERTON OR 97006 34361 OMRON ELECTRONICS INC 2105 HAMILTON AVE SUITE 160 SAN JOSE CA 95125 Replaceable Parts J18 Photometer Instruction Manual 7 8 CROSS INDEX MFR CODE NUMBER TO MANUFACTURER...

Page 83: ...BEAVERTON OR 97077 0001 91506 AUGAT IPD 452 JOHN DIETSCH BLVD PO BOX 2510 ATTLEBORO FALLS MA 02763 Replaceable Parts J18 Photometer Instruction Manual 7 9 CROSS INDEX MFR CODE NUMBER TO MANUFACTURER...

Page 84: ...Replaceable Parts J18 Photometer Instruction Manual 7 10 Replaceable Parts J18 Photometer Instruction Manual 7 10...

Page 85: ...Appendices Appendices...

Page 86: ......

Page 87: ...ith the square of the distance exactly compensating for light falloff due to the inverse square law J18 Photometer Instruction Manual A 1 Appendix A Photometry and Radiometry Reference This appendix s...

Page 88: ...ith the square of the distance exactly compensating for light falloff due to the inverse square law Appendix A Photometry and Radiometry Reference A 2 J18 Photometer Instruction Manual Photometric For...

Page 89: ...verted using mathematical integrations of their intensity and the photopic curve at each wavelength Appendix A Photometry and Radiometry Reference J18 Photometer Instruction Manual A 3 Radiometric For...

Page 90: ...Appendix A Photometry and Radiometry Reference A 4 J18 Photometer Instruction Manual Appendix A Photometry and Radiometry Reference A 4 J18 Photometer Instruction Manual...

Page 91: ...tandardizing CRT Measurements by Peter Keller in the April 1984 issue of Test and Measurement World J18 Photometer Instruction Manual B 1 Appendix B Chromaticity Reference The reference material in th...

Page 92: ...e x y chart is that equal distances on the diagram do not represent equal perceived color distances Appendix B Chromaticity Reference B 2 J18 Photometer Instruction Manual The 1931 CIE Chromaticity Di...

Page 93: ...e Y Coordinate Yellowish Pink Blue Green Purple Yellow Figure B 1 The 1931 CIE Chromaticity Diagram Appendix B Chromaticity Reference J18 Photometer Instruction Manual B 3 600 500 400 300 200 100 000...

Page 94: ...00 3500 2850 2350 1900 1500 1000 Figure B 2 1931 CIE Chromaticity Diagram Showing Color Temperature Appendix B Chromaticity Reference B 4 J18 Photometer Instruction Manual Figure B 2 shows the Plancki...

Page 95: ...600 Planckian Locus 3000 5000 6000 4000 10000 20000 Figure B 3 Correlated Color Temperature Diagram Appendix B Chromaticity Reference J18 Photometer Instruction Manual B 5 Figure B 3 shows selected is...

Page 96: ...esent approximately equal perceived color differences H The equal energy point is ui 0 210 vi 0 473 Appendix B Chromaticity Reference B 6 J18 Photometer Instruction Manual The 1976 CIE UCS Chromaticit...

Page 97: ...reenish Yellow Blue Yellow ui Coordinate vi Coordinate Figure B 4 1976 CIE UCS Chromaticity Diagram Appendix B Chromaticity Reference J18 Photometer Instruction Manual B 7 600 500 400 300 200 100 000...

Page 98: ...at y l is also the photopic curve that represents the relative sensitivity of the average human eye Appendix B Chromaticity Reference B 8 J18 Photometer Instruction Manual Spectral Tristimulus Values...

Page 99: ...485 0 0580 0 1693 0 6162 490 0 0320 0 2080 0 4652 495 0 0147 0 2586 0 3533 500 0 0049 0 3230 0 2720 Appendix B Chromaticity Reference J18 Photometer Instruction Manual B 9 Table B 1 Spectral Tristimul...

Page 100: ...610 1 0026 0 5030 0 0003 615 0 9384 0 4412 0 0002 620 0 8544 0 3810 0 0002 625 0 7514 0 3210 0 0001 Appendix B Chromaticity Reference B 10 J18 Photometer Instruction Manual Table B 1 Spectral Tristimu...

Page 101: ...735 0 0010 0 0004 0 0000 740 0 0007 0 0002 0 0000 745 0 0005 0 0002 0 0000 750 0 0003 0 0001 0 0000 Appendix B Chromaticity Reference J18 Photometer Instruction Manual B 11 Table B 1 Spectral Tristimu...

Page 102: ...0001 0 0000 0 0000 775 0 0001 0 0000 0 0000 780 0 0000 0 0000 0 0000 Totals 21 3714 21 3711 21 3715 Appendix B Chromaticity Reference B 12 J18 Photometer Instruction Manual Table B 1 Spectral Tristimu...

Page 103: ...Glossary and Index Glossary and Index...

Page 104: ......

Page 105: ...lengths being measured Isotropic Source A light source that emits light uniformly in all directions J18 Photometer Instruction Manual Glossary 1 Glossary Area Source A light source of large angular si...

Page 106: ...n watts steradian with a sensor having equal spectral sensitivity to the wavelengths being measured Glossary Glossary 2 J18 Photometer Instruction Manual Luminance The amount of light emitted or scatt...

Page 107: ...us Values X Y Z The amounts of each of three color primaries required to match the color of a light Glossary J18 Photometer Instruction Manual Glossary 3 Radiometry The measurement of radiant power A...

Page 108: ...Glossary Glossary 4 J18 Photometer Instruction Manual Glossary Glossary 4 J18 Photometer Instruction Manual...

Page 109: ...ram B 5 J J18 features 1 1 front panel controls 2 1 illustrated 2 1 J18 head 1 10 K Kelly chart B 2 J18 Photometer Instruction Manual Index 1 Index A Accuracy conditions affecting 6 3 Adapter power 1...

Page 110: ...Tristimulus values B 8 Troubleshooting basic 6 3 board level 6 4 power supply check 6 5 U UNITS 2 2 Index Index 2 J18 Photometer Instruction Manual L Low battery warning 1 3 M Measurements comparing 2...

Page 111: ...Index J18 Photometer Instruction Manual Index 3 X XYZ values B 8 Index J18 Photometer Instruction Manual Index 3 X XYZ values B 8...

Page 112: ...Index Index 4 J18 Photometer Instruction Manual Index Index 4 J18 Photometer Instruction Manual...

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