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SOC 410 DHR Reflectometer User's Guide

1. 4 0 5 0 987 983 8 0 12 0 990 981 Figure 5 13 SOC 410 DHR software Calibration Setup 5 1 1 4 3 Device Setup The Device Setup screen displays the top four device parameters Use the scroll bar arrows to view all parameters Consult SOC Technical Support when changing these values Press Apply to set changed values and continue changing other values Press OK to set changed values and close the Device Setup screen Device Setup Points 1 900 Source 0 100 Chopper 0 100 PbSe TEC 0 100 cancel Apply ok Figure 5 14 SOC 410 DHR software Device Setup 5 1 1 5 Diagnostics Press Diagnostics on the Setup menu to show the Alignment screen Use the Motor position and detector voltage values in the rows under the buttons when troubleshooting the unit as directed by SOC Technical Support 15 SOC 410 DHR Surface Optics User s Guide Corporation J Al Alignment E Motor Pos 20 Set 10 Read 11 0568 0345 0896 0965 0345 0632 R Set 54 Read 55 0568 0345 0896 0965 0345 0632 60 Set 74 Read 74 Lee 0568 0345 0896 0965 0345 0632 Device setup Figure 5 15 SOC 410 DHR software Diagnostics Alignment 5 1 1 6 Measurement Files The files generated in the Measurement mode of operation can be opened from the Engineering menu Press M Files to open th
2. Figure 5 8 SOC 410 DHR software Engineering Measurement File Name The measured data are always saved into a file Press the left top button to select an existing data file or create a new one To overwrite the current measurement values check the Overwrite box Remember to uncheck the box to save the next measurements The note at the left lower corner Reflectance indicates that the measurements are displayed and saved as absolute reflectance values Alternatively Emissivity values can be displayed and stored See Section 8 2 2 4 3 Device Setup Screen for description The sample name button allows to annotate data with sample name or number The sample names are stored in file samnames txt You can open that file on your desktop computer and type in the names of the expected samples and then only select them on the PDA screen 5 1 1 4 Setup There are four options in the Setup menu Template Setup Calibration Setup Device Setup Diagnostics Template Setup Diagnostics Figure 5 9 SOC 410 DHR software Setup 5 1 1 4 1 Template Setup No measurement can be taken unless a measurement template has been defined and made active The templates contain settings such as the selection of bands and angles to be measured and tolerances for the inspection mode referred to as the Measurement Mode of operation 13 SOC 410 DHR Surface Optics User s Guide Corporation I
3. 3 3 to 4 um PbSe 20 1 60 1 4 3 to 5 um PbSe 20 1 60 1 5 4to5 um PbSe 20 1 60 1 6 8 to 12 um DLATGS 20 1 60 1 Surface Curvature Limits 6 in Radius Convex to 12 in Radius Concave Reflectance Accuracy 0 C to 40 C 32 F to 104 F 0 03 reflectance units for 20 angle 40 C to 50 C 104 F to 122 F 0 05 reflectance units Warm up time Below 0 C 32 F 2 hr 0 C to 10 C 32 F to 50 F 5 min Above 10 C 50 F 90 sec Measurement time sample contact time lt 10 sec Run Time fully charged new battery 10 C to 40 C 50 F to 104 F 2 hrs Storage Temp desiccated in case 25 C to 60 C 13 F to 140 F Operating Temp 0 C to 50 C 32 F to 122 F Relative Below 30 C 86 F 5 to 95 RH Humidity non 0 C to 40 C 32 F to 104 F 5 to 75 RH condensing Above 40 C 104 F 5 to 45 RH Battery Cartridge Rechargeable 12 V 2 6 Ah NiMH Makita Model1234 Battery Charger A C 120V 50 60 Hz Input D C 7 2 V 14 4 V Output Makita Model DC1414 60 min Charging time 59 SS e SOC 410 DHR Surface Optics User s Guide Corporation lt SOC 410 DHR Technical Manual Surface Optics Corporation APPENDIX B SOFTWARE SPECIFICATIONS Operating system Custom OS based on WindowsCE SOC version 2 0 0 or newer Windows environment not accessible to the user during operation Menu environment Soft button driven menus Major functions C
4. 0 32767 HV Bias 0 100 Trig Res 0 2 Trig Delay 7 1 0 Step Delay 0 1 0 LED Time 0 1 0 Bat Warning 1 100 Shutoff 1 100 Power Mngmt off on Emis off on Eng off on Table C 1 SOC 410 DHR User s Guide Device Setup Record 61 Surface Optics Corporation Template Setup Record SOC 410 DHR Technical Manual Surface Optics Corporation Template Name Number of Points Band 4 Y N Y N Band 3 Y N Y N Y N Band 5 Y N Band 6 Y N 20 Angle Y N 60 Angle Y N Tolerances 20 60 O O1 PENIS PEN Table C 2 Template Setup Record SOC 410 DHR User s Guide Surface Optics Corporation lt SOC 410 DHR Technical Manual Calibration Coupon Reflectance Value Record Surface Optics Corporation Coupon ID Angle Band 1 2 3 20 z 5 6 1 2 3 60 4 5 6 Table C 3 Calibration Coupon Reflectance Value Record SOC 410 DHR User s Guide 63 Surface Optics Corporation SOC 410 DHR Surface Optics Corporation Technical Manual l APPENDIX D SURFACE OPTICS LIMITED TWELVE 12 MONTH WARRANTY WARRANTY SOC warrants that any Products manufactured by SOC are free from defects in materials and w
5. 22 Calculated Calibration Factors AR o BO BP BQ BR BS BT AR Cal AR Cal AR Cal AR Cal AR Cal AR Cal 21 Angle 20 Angle 20 Angle 20 Angle 20 Angle 20 Angle 20 Band 1 Band 2 Band 3 Band 4 Band 5 Band 6 22 BU BV BW BX BY BZ AR Cal AR Cal AR Cal AR Cal AR Cal AR Cal 21 Angle 60 Angle 60 Angle 60 Angle 60 Angle 60 Angle 60 Band 1 Band 2 Band 3 Band 4 Band 5 Band 6 22 Measured Sample Raw Values VSA CA CB cc CD CE CF V Sam V Sam V Sam V Sam V Sam V Sam 21 Angle R Angle R Angle R Angle R Angle R Angle R Band 1 Band 2 Band 3 Band 4 Band 5 Band 6 22 CG CH Cl CJ CK CL V Sam V Sam V Sam V Sam V Sam V Sam 21 Angle 20 Angle 20 Angle 20 Angle 20 Angle 20 Angle 20 Band 1 Band 2 Band 3 Band 4 Band 5 Band 6 22 CM CN V Sam V Sam V Sam V Sam V Sam V Sam 21 Angle 60 Angle 60 Angle 60 Angle 60 Angle 60 Angle 60 Band 1 Band 2 Band 3 Band 4 Band 5 Band 6 22 56 SOC 410 DHR User s Guide Surface Optics Corporation Measured Sample Zero Raw Values VSamZero m n CS CT CU CV CW CX V SamZero V SamZero V SamZero V SamZero V SamZero V SamZero 21 Angle R Angle R Angle R Angle R Angle R Angle R Band 1 Band 2 Band 3 Band 4 Band 5 Band 6 22 CY CZ DA DB DC DD V SamZero V SamZero V SamZero V SamZero V SamZero V SamZero 21 Angle
6. The application and all its files are stored in the Flash Permanent RAM There are two benefits from keeping them there Files remain even if power is completely cut off from the device Files can be updated upgraded without affecting the operating system 7 3 Software Installer The Installer can be used to setup the device for the first time or to upgrade the existing PDA Operating System and or the SOC 410 DHR application to their next versions The Installer is configured to run from the CompactFlash card All that is necessary is to insert the card into the PDA and the Installer will start automatically Follow the directions on the screen The Purpose of the Installer is to Upload Operating System to the PDA Install the SOC 410 DHR application 7 4 Memory and CompactFlash Card The SOC 410 utilizes two physically separate memory domains PDA s memory CompactFlash card PDA s Memory The PDA provides a minimum of 32 MB of onboard Flash memory The usual Windows CE images require only 14 MB or less of Flash The remaining portion of Flash is available for other purposes including the creation of Persistent RAM for file and registry storage BEDE SOC 410 DHR Surface Optics S User s Guide Corporation Flash ROM Flash ROM is where the Windows CE operating system resides This area of memory cannot be written to by any of the applications running on the PDA DRAM data storage DRAM data storage is the portion of the
7. When the Template Definition screen is accessed for the first time the Name screen is shown Subsequently the screen opens to whichever screen was open last Press either of the two soft button tabs for the screens not shown to access that screen The Template Definition screens have two soft buttons in common The Cancel and OK buttons are common to the three Template Definition screens Cancel The Cancel soft button returns the user to the Template Setup screen without changing template parameters OK The OK soft button saves the template parameters and returns the user to the Template Setup screen Template Name The Template definition Name screen is the same multi tap keypad as the measurement File Name and engineering Password keypads The template name is limited to 16 characters If the Template Name text box is blank or contains only spaces when the OK soft button is pressed the user is prompted to enter a template name BEDE SOC 410 DHR Surface Optics S User s Guide Corporation Bands and Points The Bands tab soft button opens a screen with 11 specific soft buttons Eight soft toggle buttons select the six desired bands and two desired angles for the template A soft text box button opens a numeric keypad to enter the number of points for the template Up and Down arrow soft buttons allow incremental changes to the Points value If all band soft buttons are unchecked the user is warned to select at least one band If b
8. and is easily carried in one hand leaving the other hand free to operate the computer via the touch screen interface This cordless power drill form factor was intentional and its purpose is to provide a functional paradigm how to use the instrument that most people are familiar with and that is insert battery for power hold the unit using the ergonomic handgrip and press the trigger when operating the unit 4 1 1 Battery Cartridge The SOC 410 DHR employs commercial power tool battery technology These fast charging high watt hour capacity battery cartridges are quickly and easily interchanged Their nickel metal hydride composition is preferred over environmentally sensitive nickel cadmium cells The location of the battery cartridge in the base of the command module counterbalances the measurement head in the hand of the user A second battery cartridge is provided as a reserve for nearly uninterrupted use 4 1 2 PDA Computer The computer which controls the SOC 410 is a powerful 400 MHz with 64 MB memory PDA type computer manufactured by InHand Electronics The InHand products are designed for industrial applications such as this one The FT3 Finger Tip model provides full support of serial port and allows communication with external devices The touch screen supports soft buttons and allows for creative development of instrument controls The PDA is shock isolated and protected by a rubber housing 4 1 3 LED Indicator The LED is
9. remove the update card insert the data card press EXIT BEDE SOC 410 DHR Surface Optics S User s Guide Corporation SOC 410 DHR Surface Optics Corporation Technical Manual Jy all t APPENDIX A SPECIFICATIONS MODEL 0410 0030 410 Command Module MODEL 0410 0032 DHR Measurement Head Physical Description including battery cartridge sampling port cap and CF card Dimensions Weight and Balance Overall length 9 04 in Net weight 4 Ib 8 oz Overall height 11 54 in Overall width 3 72 in Center of Gravity At Trigger Operator VGA LCD Trigger switch spring LED Vibrator Pistol grip handle interface touch screen return momentary on Sample A rubber ring surrounding the 0 520 inch diameter sampling port in the spring interface mounted integrating sphere makes contact with the sample surface Measured Parameter Directional Hemispherical Reflectance DHR Measured Value Absolute Reflectance 0 1 Measuring sequence Simultaneous measurement of DHR in all spectral ranges for each angle Method Integrated Total Reflectance in a band for a given angle of incidence using an integrating sphere to capture and measure all the reflected light Bands Wavelength Range Detector Angles 1 0 9 to 1 1 um Si 20 1 60 1 2 1 9 to 2 6 um PbS 20 1 60 1
10. to open the multi tap alphanumeric keypad Enter the name for this measurement and press the OK on the alphanumeric keypad Press the text box next to Points to open the numeric keypad Press lt to clear the default value and enter the number of measurement points for this measurement Press OK on the numeric keypad Press OK on the Measurement Setup screen to close it and open the Calibrate screen Measurement Setup E File Name 1 A Points 200 v Lal Les Figure 5 22 SOC 410 DHR software Measurement Setup SOC 410 DHR Surface Optics User s Guide Corporation AS d 5 2 3 Calibration Calibration Coupon The coupon provided by the manufacturer to calibrate the SOC 410 WARNING Do Not Touch the Surface of the Calibration Coupon Remove the Sampling Port Cap from the integrating sphere and hold the calibration coupon tight over the sampling port and press the trigger Continue to hold the coupon over the sampling port while the measurement is taken and the hourglass indicator is shown The LED and vibrator motor will indicate that the measurement step is complete Remove the calibration coupon from in front of the sampling port and press the trigger The hourglass indicator will appear until the calibration is complete The LED and vibrator motor will indicate that the calibration is complete The Calibrate screen will close and the Reference screen will open Imm
11. 10 20 from the paragraph 10 2 expressed here as follows AR Sam AR SamZero 1 ARG Cal m n m n DHR pn Ryn RE AR 1 Ap santero 10 23 where AR are reflectance values for the calibration coupon Sam SamZero ARS 72 see 10 15 and doe ien See 10 17 10 24 Ryn Ryn The DHR values are displayed on the Eng Measurement screen and stored in the data files 11 SPECTRAL RESPONSE The spectral response of the SOC 410 was characterized The filament spectrum was measured The filter spectra were independently measured These results were combined with the response of the detectors to create an aggregate system response The individual spectra and responses were combined to form an aggregate response SR A Ds 2 x Suet 2 R piis 2 T iter 2 1 1 1 Figure 11 1 shows the aggregate system response curves for each of the bands 49 BEES SOC 410 DHR Surface Optics E User s Guide Corporation Absorbance on Wavelength um Figure 11 1 Aggregate System Response curves for appropriate bands 1 9 to 1 1 um 2 1 9 to 2 6 um 3 3 to 3 9 um 4 3 to 5 um 5 4 to 5 um 6 8 to 12 um Calculations of the DHR Values from Spectral Reflectance Curves The Aggregate System Spectral Response curves are provided on the User s CD They should be used to calculate reflectance values from spectral reflectance curves when comparing with
12. PbSe pr Sphere Temp Freq 22 5 04 5 25 4 75 0 5 9 54 32 44 41 31 105 72 Measured Calibration Raw Values V n n AE AF AG AH Al AJ V Cal V Cal V Cal V Cal V Cal V Cal 21 Angle R Angle R Angle R Angle R Angle R Angle R Band 1 Band 2 Band 3 Band 4 Band 5 Band 6 22 AK AL AM AN AO AP V Cal V Cal V Cal V Cal V Cal V Cal 21 Angle 20 Angle 20 Angle 20 Angle 20 Angle 20 Angle 20 Band 1 Band 2 Band 3 Band 4 Band 5 Band 6 22 AQ AR AS AT AU AV V Cal V Cal V Cal V Cal V Cal V Cal 21 Angle 60 Angle 60 Angle 60 Angle 60 Angle 60 Angle 60 Band 1 Band 2 Band 3 Band 4 Band 5 Band 6 22 SOC 410 DHR User s Guide 55 Surface Optics Corporation Measured Calibration Zero Values V nn AW AX AY AZ BA BB V CalZero V CalZero V CalZero V CalZero V CalZero V CalZero 21 Angle R Angle R Angle R Angle R Angle R Angle R Band 1 Band 2 Band 3 Band 4 Band 5 Band 6 22 BC BD BE BF BG BH V CalZero V CalZero V CalZero V CalZero V CalZero V CalZero 21 Angle 20 Angle 20 Angle 20 Angle 20 Angle 20 Angle 20 Band 1 Band 2 Band 3 Band 4 Band 5 Band 6 22 BI BJ BK BL BM BN V CalZero V CalZero V CalZero V CalZero V CalZero V CalZero 22 Angle 60 Angle 60 Angle 60 Angle 60 Angle 60 Angle 60 Band 1 Band 2 Band 3 Band 4 Band 5 Band 6
13. RR ee ee RR ee ee Re ee ee ee 45 10 3 Data Measurement use ee ER ER RE ER ER EER Ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee AT 10 3 1 Values Measured during Calibration ees ee RR Re ee ee 48 10 3 2 Values Measured during Sample Measurement see ee 48 104 Data PIC SSS ia EE 48 10 4 1 Calibration Fachors issie ee ee ee ee ee ee ee ee ee ee ee 48 10 4 2 DHR CalculatiOn ie RE GE GR Ee GR ee ee ee ee ee ee ee ee ee ee ee 49 SPECTRAL RESPONSE iii osse eg sient ee G Go es GN Se Gede NN 49 NIST TRACEABILITY EE 51 SOC 410 FILES DESCRIPTION AND MANAGEMENT 52 14 1 SOC M10 NEE 52 13 2 Engineering Measurement Data File ems Description 53 13 3 Data transfer from the SOC 410 to a PC iese ee AR ARE AR RA RR AR AR RE ee Re ee ee 57 13 4 Software Lord iss RE EE ert Ds he ee ke ER ee De RR ER ER Rad 57 APPENDIX A EE N EO N EO AE EN ON 59 APPENDIX Bestes nie ees SE sk Ee Ge se Re AAE id De ve ee EAE EEr ie 60 APPENDIX Essie ee eed E bee ee Ee Se GR ee 61 EENEG a EE EE EE OE EE EE N EE IE EE EE 64 iii iv 1 INTRODUCTION The Surface Optics Corporation SOC 410 Command Module with Directional Hemispherical Reflectance DHR Measurement Head is a product of collaboration between the Naval Air Systems Command Code 4 9 6 Aircraft Survivability Division and Surface Optics Corporation with vital input from the Naval Research Lab NRL and National Institute of Standards and Technology NIST It was developed to answer a broad need
14. Reflectance Theory The directional reflectance DR of a surface is defined as the ratio of the total energy reflected into the subtending hemisphere to the energy incident on the surface from the direction 6 Figure 12 1 BEDE SOC 410 DHR Surface Optics S User s Guide Corporation INCIDENT i SAMPLE BEAM Figure 10 1 Diagram Illustrating Concept of Directional Reflectance Following the notation of Nicodemus the directional reflectance may be expressed in terms of primary quantities as 27 2 7 N sing cos8 d9 do 0 i 1 l a Pa 9 9 N sind cos d0 do The relation between directional and bidirectional reflectance BDR is given by the integral of the latter over the viewing hemisphere Pal Jo lo pi hui Jett cos de d 10 2 For a perfectly diffuse isotropic reflector p 6 0 8 0 constant integration of 10 2 gives Pa TP 10 3 10 2 SOC 410 General Equation The measurement method consists of 4 calibration measurements and 4 sample measurements The 4 calibration measurements are Va calibration standard E O pca ER Peal Tcal jy Doc Tcal Vaar 1 0 4 VI reference with the standard in the sample port eeng O incatP ref Tea cat 10 5 Nicodemus F Directional Reflectance and Emissivity of an Opaque Surface Applied Optics Vol 4 No 7 July 1965 45 SOC 410 DHR Surface Optics User s Guide Corporation gt VT for empty sample port
15. Store measurement data to the CompactFlash card The following are the features of the OS Small footprint Auto loading software application User NEVER sees Windows CE No ability to enter Windows CE GUI No screen calibration on reset Small Footprint Since the operating system is loaded into memory each time the device is turned on powered the size of the O S image has been optimized to include only the necessary components Auto loading Software Application The custom built operating system is preprogrammed to automatically load the DHR software application on startup No Ability to Enter Windows CE GUI There is NO interface in the SOC 410 DHR application which allows the user to enter Windows CE GUI in any way 27 BEES SOC 410 DHR Surface Optics E User s Guide Corporation No Screen Calibration on Reset Since the screen calibration information is stored in the Registry which in turn is stored in the Flash Persistent RAM after rebooting the screen calibration will not come up 7 2 SOC 410 Control Software Features The SOC 410 DHR control software consists of a single application that has the following features GUI allowing operation by a finger Serial communication with the Head unit Interface to define measurement templates Interface to measure reflectance data Data always written to the CompactFlash card Data file in text format readable by Excel Application Files Stored in the Flash Permanent RAM
16. inserting the card and an environmental cover for the CompactFlash card slot in the PDA Hold the CompactFlash card with the adaptor pointing up and the card label facing toward the user Gently slide the CompactFlash card into the PDA Press it all the way in you will feel a noiseless click just before it settles To remove the card grasp the adaptor and pull the card out Commercial CompactFlash cards should not be used with the SOC 410 When inserted they cannot be pulled out without the adaptor on them Lack of an adaptor makes the unit susceptible to damage BEDE SOC 410 DHR Surface Optics S User s Guide Corporation 6 4 Disconnecting and Reconnecting the DHR Head There is no need to disconnect the DHR head from the Command Module other then to install a different head With the battery cartridge removed place the unit on a stable flat surface with the PDA screen facing down Hold the handle firmly in one hand and turn the interface collar counter clockwise approximately one and one half turns until the Head becomes disconnected Be careful not to drop the head when it becomes loose To reconnect the Head place the Command Module on a stable flat surface with the PDA screen facing down Align the prongs in the Head with the plastic nests in the Command Module Seat the threads of the collar and command module interface Making a 30 counterclockwise turn helps to align the threads Turn the interface collar clockwise app
17. is removed from the sample port when the reference beam is measured All three beam positions result in light being scattered up into the integrating sphere Integrating Sphere Sample Figure 4 2 Schematic of the integrating sphere Red arrow illuminating beam purple arrow reflected beam green arrows scattered light The light scattered into the integrating sphere bounces around until it is absorbed by the gold coating the sample escapes out the incident beam port or passes through the detector baffles The light traveling into the detector baffles and onto the detectors is what is measured The voltages measured at the detectors are directly proportional to the reflectance of the sample when the sample is located at the sample port The detector ports are used to allow six different detector elements to view the interior of the integrating sphere The baffles prevent the detectors from viewing the sample directly The four 7 SOC 410 DHR Surface Optics User s Guide Corporation H 7 PbSe detector elements are housed inside a single thermo electrically cooled package and sees into the integrating sphere thru the baffle Each detector element has a filter placed above it so that it only sees the band of interest The Si and DTGS detectors are mounted in the other baffle 4 2 2 Sampling Port Cap The sampling port cap protects the internal components of the integrating sphere when the unit is not in use Keeping
18. it as the active template Edit Template Press the template name to highlight it and press Edit to change the settings for an existing template Press the Name Bands and or Tol to make the changes and press OK when done Note If engineering measurements have been taken using the template then the angles and bands cannot be changed Delete Template Press the template name to highlight the template to delete Press Del which opens the Do you really want to delete template name window Press Yes to complete the deletion Note If the template you delete is the active template another template must be made active in order to take measurements Change between templates Highlight any template name to select it as the active template Press Make Active to make it active The gt symbol will appear in front of the template name to identify it as the active template F SOC 410 DHR Surface Optics User s Guide Corporation I Mal 5 1 1 4 2 Calibration Setup Consult the known reflectance values for the calibration coupon These are the values measured in the laboratory and supplied with the calibration coupon and will not change unless a different calibration coupon is used or the surface of the calibration coupon is scratched contaminated or altered in some other way Calibration Setup 20 60 0 9 1 1 981 980 1 9 2 6 980 980 3 0 4 0 981 981 3 0 5 0 975 979
19. mode change this setting to off power the SOC 410 off and turn it back on Band description Band the spectral bands can be described by numbers from 1 to 6 or by their spectral limits To see the limits description set this parameter to des To see just the band numbers set it to num Cal x 1 to 99 This setting allows for multiple measurements of the calibration coupon in the Calibrate window 41 BEES SOC 410 DHR Surface Optics E User s Guide Corporation Sample x 1 to 99 This setting allows for multiple measurements of the analyzed sample Trn Off 0 15 min The infrared source is turned off after the set number of minutes and a warning comes on To turn the source on press the trigger or press the OK button on the screen Recommended value 5 minutes Wait 3 300s It takes this many seconds to turn the source on the source to stabilize Recommended value 10 seconds Dev Off 0 60 min The SOC 410 turns itself off if not used for a set number of minutes Recommended value 30 minutes 8 2 2 4 4 Diagnostics Screen Press Diagnostics on the Setup menu to show the Alignment screen Use the pivot mirror position and detector voltage information when troubleshooting the unit as directed by SOC Technical Support 8 2 2 5 Measurement Files Screen Press M Files on the Engineering screen to view data taken in the Measurement mode The screen has five soft buttons File name list Pressing a file na
20. s Guide Corporation 3 WARNINGS While using the SOC 410 Do not overreach Keep proper footing and balance at all times Proper footing and balance enable better control of the unit in unexpected situations Be sure that no one is below when using the unit in high locations Do not carry the unit using only the lanyard Do not drop shake or strike the unit Do not store at temperatures below 25 C 13 F or above 70 C 158 F Warm unit to at least 0 C 32 F for two hours before using if stored below 0 C 32 F Do not operate at ambient temperatures below 0 C 32 F or above 50 C 122 F Do not touch the surface of the calibration coupon Do not remove the two screws in the factory diagnostics port cover Removal of the screws cover or accessing the port will void the warranty Avoid working in heavy fog snow or rain Avoid working under condition of blowing dust Avoid leaving the SOC 410 outside the shipping container for long periods of time Avoid inserting objects inside the integrating sphere Avoid laying the SOC 410 down on any surface covered with movable dust or dirt such as on the ground or a floor Use of the lanyard is encouraged Protect against electrostatic discharge Replace the sampling port cap when not taking measurements Do not blow air inside the integrating sphere Do not use electronic cleaning canisters inside the integrating sphere Do not use solvents inside the integrating
21. sphere Use the storage shipping container or another airtight barrier when not in use Warm unit to at least 0 C for two hours before using if stored below 0 C Be careful not to scratch or physically damage the screen The surface of the calibration coupon should be protected from scratches and contamination Always cover the Calibration coupon and put away immediately after the calibration is accomplished Replace the calibration coupon if it becomes damaged or contaminated 3 BEES SOC 410 DHR Surface Optics E User s Guide Corporation 4 SOC 410 DHR COMPONENTS The SOC 410 is a modular device with interchangeable heads The instrument consists of two units the Command Module and the Measurement Head Sampling port CF Card port PDA Computer Threaded Collar LED Measurement Head Factory Diagnostic port Trigger eee CRIT N Command Module Battery Figure 4 1 SOC 410 DHR The Command Module consists of a handle battery a PDA computer with CompactFlash memory card an IO port measurement head interface LED and vibrator motor indicators and a trigger The Measurement Head consists of the integrating sphere with sampling port integrating sphere boot sampling port cap DHR optics and electronics inside the cylindrical cover and command module interface with threaded collar 4 1 Command Module The Command Module provides computer processing electrical power and support for the Measurement Head
22. the LED in the upper left hand corner of the PDA housing will light and the handle will vibrate 11 SOC 410 DHR Surface Optics User s Guide Corporation 2 File name button 3 Spectral bands 4 Measurement results 1 Units indicator 10 Sample name button 123 001 223 002 120 001 320 002 127 001 122 002 254 001 109 002 131 001 389 001 222 002 9 Standard deviations 8 Overwrite last measurement button 5 Browser 6 Range of averaged measurements 7 Measurement repeat indicator Figure 5 7 SOC 410 DHR software Engineering Measurement Units indicator emissivity E reflectance R File name button allows entering or changing data file name Column of spectral bands limits in um Measurement results in bold for 20 and 60 incidence angle respectively Browser allows reviewing the measured data Single number refers to a single measurement a range refers to the averaged data Measurement repeat indicator establishes how many times the measurement has to be repeated and the data averaged Last measurement can be overwritten after pressing this button uncheck it to record new data Standard deviations of averaged measurements Sample name button allows changing the sample name SOC 410 DHR User s Guide Surface Optics Corporation Select File 4 Enter New File Name File engmeasi engmeasi A l e DO GO
23. the SOC 410 discrete data The aggregate system response curves are used to calculate DHR values from curves recorded with spectroscopic devices usually FTIR spectrometers like the SOC 100 DHR or those furnished with integrating spheres The following procedure is used to extract DHR values in the operational bands of the SOC 410 from spectral reflectance data for each band The FTIR reflectance spectrum p 4 is multiplied by an appropriate aggregate system response curve P A p A SR A 11 2 The product of multiplication is integrated over the spectral range of the band producing value X y Pada 11 3 band The aggregate system response curve is integrated over the spectral range of the same band producing value o p SRA dA 11 4 band J l SOC 410 DHR Surface Optics User s Guide Corporation All Figure 11 2 Red curve reflectance spectrum I A purple curve aggregate system response Rsystem A blue curve product of multiplication of system response and reflectance spectrum P A The result of the first integration y is divided by the result of the second integration the result is the DHR value for the band comparable with the SOC 410 measured reflectance value for that band DHR p 11 5 7 The aggregate system response curves are not perfect A few assumptions were made in the process of generating them The reflectance values generated here are also not accurate If the r
24. 11 0 913 0 881 28 StDev Diff Gold 0 001 0 002 0 002 0 002 0 003 0 004 29 RStDev Diff Gold 0 157 0 274 0 176 0 192 0 305 0 511 Averaged values are automatically calculated if multiple measurements are selected Standard deviations and relative standard deviations in percentile are calculated Reflectances for 60 incidence angle The bottom three rows refers to the averaged value standard deviation and relative standard deviation as above BEDE SOC 410 DHR Surface Optics S User s Guide Corporation J K L M N O P 19 Angle 60 20 0 9 1 1 1 9 2 4 3 0 3 9 3 0 5 0 4 0 5 0 8 0 12 0 21 Sample Reflectance Reflectance Reflectance Reflectance Reflectance Reflectance 22 Diff Gold 0 908 0 92 0 889 0 911 0 927 0 888 23 Diff Gold 0 915 0 928 0 897 0 918 0 933 0 884 24 Diff Gold 0 923 0 931 0 902 0 925 0 942 0 897 25 Diff Gold 0 921 0 935 0 904 0 923 0 94 0 904 26 Diff Gold 0 921 0 932 0 904 0 924 0 939 0 9 27 Diff Gold 0 918 0 929 0 899 0 92 0 936 0 895 28 Diff Gold 0 006 0 006 0 007 0 006 0 006 0 008 29 Diff Gold 0 668 0 618 0 726 0 645 0 67 0 904 Device Status R S T U V W Battery Battery Micro FPGA2 5 FPGA1 2 PDA Voltage 21 Voltage Current DO Voltage Voltage Supply Voltage 22 5 04 5 25 4 75 0 5 9 54 32 44 41 31 X Y Z AA AB AC AD Detector Analog Source Source Detector Chopper 21 Voltage Voltage Current Temp
25. 20 Angle 20 Angle 20 Angle 20 Angle 20 Angle 20 Band 1 Band 2 Band 3 Band 4 Band 5 Band 6 22 DE DF DG DH DI DJ V SamZero V SamZero V SamZero V SamZero V SamZero V SamZero 21 Angle 60 Angle 60 Angle 60 Angle 60 Angle 60 Angle 60 Band 1 Band 2 Band 3 Band 4 Band 5 Band 6 22 Device Setup DK DL DM DN DO DP Averaged Source Chopper PbSeTEC DLATGS High Voltage 21 PbSe Data Points Power Speed Setting TEC Setting Detector Bias 22 DQ DR DS DT DU DV Trigger LED Vibrator Low Battery Battery Shut 21 Response Trigger Delay Step Delay Setting Warning Off 22 DW DX DY DZ EA EB EC ED Wait after Device Emissivity Eng Mod of Band Calibration Sample IR source IR source Off if not 21 units Operation presentation repeat x repeat x Turn Off turn on used 22 off on des 5 5 5 10 30 13 3 Data transfer from the SOC 410 to a PC To transfer the data from the SOC 410 to a PC remove the ComapctFlash card from the SOC 410 by pressing the release button and pull the card up Attach the provided card reader to your computer If you are running Windows XP on your computer the card reader will be installed automatically if you are running an older OS version you may need to install the reader application software Once the card reader is installed place the CompactFlash card with the data in the card reader Open the directory right click on the data file of interest select Open with select Excel It is suggested th
26. DHR Surface Optics E User s Guide Corporation 8 1 4 Reference Identification Screen The Reference Identification screen shows the soft buttons for the multi tap keypad Cancel and OK The Reference Identification is limited to 16 characters Reference Identification Text Box The soft button keypad for Reference Identification operates the same as the keypad for the Measurement File Name Cancel The Cancel soft button returns the user to the Measurement Setup screen OK The OK soft button saves the Reference Identification name and opens the measurement screen 8 1 5 Measurement Screen The Measurement screen displays the File Name as the screen name At the Measurement Screen four user inputs are accepted Up Arrow The Up Arrow soft button takes the user back to the previously measured point It is disabled and shown grayed out except on the Pass or Fail after repeating measurement screen Itis also grayed out when the first measurement is reached Note The Pass Fail shown on the Measurement screen is for the last measurement point It does not indicate the Pass Fail of the previously measured points The Up Arrow only takes the user to an earlier point to overwrite that measurement Down Arrow The Down Arrow soft button takes the user to next most recently measured point It is disabled and shown grayed out except on the Pass or Fail after repeating measurement screen It is also grayed out whe
27. ION AND MANAGEMENT 13 1 SOC 410 Files The following files are located on the data CompactFlash card SOC410DHR ini SOC410DHR log filename tpl filename tbk filename ms filename ems filename mbk filename ebk samenames txt SOC410DHR ini is the SOC 410 DHR setup file It contains variable parameters which control performance of the reflectometer This file must not be deleted from the data card nor must it be altered unless instructed by a manufacturer s technical support personnel Deletion or modification of this file will result in malfunction and in extreme cases may lead to serious malfunction of the SOC 410 DHR If a blank CFC card other than provided by SOC is used for data collection the SOC410DHR ini file has to be copied onto the new card It is advised to copy the tpl and tbk files as well Insert the original data card provided by SOC into the card reader connected to the computer Copy the SOC410DHR ini file onto the computer Insert the new card into the card reader Copy the file onto the new CompactFlash card After you load a fresh CompactFlash card the software will ask you to enter a file name after the Engineering Measurement screen is selected for the first time SOC410DHR log records technical information about the performance of the SOC410 during operation No data is written to this file If a problem occurs the SOC s technical support personnel might ask for a copy of this file to be emailed for tr
28. Lean deif T zero Cal and 1 0 6 Vie Zero reference with an empty sample port ES d Cal Pref T zero car 1 0 7 HO where is the input flux p is the reflectance t is the sphere throughput and Fis the proportionality factor between the output voltage and the flux reaching the detector Additional subscripts allow for drift variation between the calibration and sample measurement sets Then ratio Equations 10 4 to 10 5 to obtain p S P you R cal T e 1 z J zerocai lo ES y Re seal 1 0 8 P Ref Ref where fzeroca the fraction of input flux overfilling the sample port is P roCal eroCal 10 9 S zerocal Ocu and ratio Equations 10 6 to 10 7 to obtain ZeroCal ET L ee 10 10 Ref The 4 sample measurements are similarly VT for a sample VO Slaan P zerasam Psa sam Daaa eaaa and 10 11 yietsam reference with the sample the in the sample port POO Os Daag lois 10 12 VZeroSam for empty sample port VR gt and 10 13 46 SEE SOC 410 DHR Surface Optics User s Guide Corporation YieZero reference with an empty sample port KS D nsan P Ref Tzeol Sam E 1 0 1 4 Taking the ratio of Equation 10 11 to 10 12 we obtain 2 y yon R sam Ps I Tape EE teg Ty Re fSam 1 0 1 5 Ref Ref pa where p eroSam S cerosam Enn 1 0 1 6 inSam and ratio Equations 10 13 to 10 14 to obtain Py V ZeroSam oe eege y Re fZero 1 0 1 7 Ref to obtain the s
29. Mal New Template Press New in the Template Setup screen The first time the template definition screen opens with the Name tab selected EET Name Bands Tol Name Bands Tol Name emplate Setup 20 60 Template Setup E o e 11 20 New Edit 1 Del v 0 9 1 1 200 200 meesd 19 26 60 EET smet 3 0 4 0 V Points Walt 200 200 3 0 5 0 v d pee e e EE 4 0 5 0 200 4 0 5 0 200 200 i z GIS IE 8 0 12 0 Ji 8 0 12 0 200 200 Make Active View Data Cancel OK Cancel OK Cancel OK Figure 5 10 SOC 410 DHR software Template Setup Enter a unique name for the template and press the Bands tab Press the boxes next to the band numbers and angles to choose what data to measure for this template Press the Points display to change the number of engineering measurement points to collect data for using this template Press the Tol tab to show the Pass Fail tolerance for each band angle combination Press a tolerance display window to open the input keypad and change the tolerance as desired The tolerances are used in the Measurement mode The Pass Fail decisions are made based on the tolerances entered here Press OK to return to the Template Setup screen Press the new template name to highlight it and press Make Active to select
30. PDA s RAM designated for the storing of applications and data files for standard use of the PDA If SOC 410 s PDA were used as a regular PDA this is where all applications and data would be stored The usual PDA when turned off would supply a minimal amount of power necessary to maintain data stored in this section of RAM However the SOC 410 does not supply any power to the PDA when it is turned off therefore any data written to this memory location is lost each time the device is turned off DRAM runtime memory This is the memory which is used by the operating system and the applications when they are running The SOC 410 DHR application is running in this memory area when it is started CompactFlash card The compact flash card is used for storage of measurement data The measurement data is NOT written to any parts of the PDA s Flash or RAM As soon as the measurement is finished it is immediately written to the CompactFlash card 8 SOFTWARE DETAILED DESCRIPTION The basic software functions were described in the operation mode Here we provide detailed description of the screens and settings Most of the screens are divided into three sections top middle and bottom The top section usually provides the screen title In the Measurement menu the top section provides the name of the current measurement file The middle section forms the main body of the screen with action buttons or setup information displayed there The bott
31. Password Change Screen The Password change soft button opens the Password Change screen that has five soft buttons Enter old password text box Enter new password text box Confirm new password text box Each of the three Password Change text boxes is a soft button that opens the multi tap keypad An error message appears if the old password is incorrect An error message also appears if the new password and the confirmation of the new password do not match Cancel The Cancel soft button returns the user to the Options screen without changing the Password OK The OK soft button changes the Password and returns the user to the Options screen 8 2 2 6 3 About Screen The About screen has only one soft button OK After viewing the software version and OS version the OK soft button returns the user to the Options screen 8 2 2 6 4 Calibrate Screen Screen The PDA computer that operates the SOC 410 is controlled by means of the touch screen display The soft buttons are located at selected X Y coordinates The buttons are pressed and the computer performs the desired function Before that information can be processed correctly the computer has to be trained how to recognize pressure on the screen and its coordinates The calibration screen serves that purpose The PDA delivered with the SOC 410 is calibrated before it leaves the factory however if you experience problems with the computer responding to pressing the buttons pr
32. Pressing the text box opens the numeric only keypad It will only accept three digits Press OK on the keypad to close it or press the Measurement Setup OK button to continue When the text box is empty or contains only zeros a warning window will show up only after the Measurement Setup OK button is pressed Points Up Arrow The Up Arrow increments the value shown in the text box once for each press and release Hold the button down and the value will increment repeatedly until released Points Down Arrow The Down Arrow decrements the value shown in the text box once for each press and release Hold the button down and the value will decrement repeatedly until released Engineering Button The soft button labeled Eng leads to one of two screens If the password protection is not used the Engineering screen appears If the password protection is in use then the Enter Password screen is shown OK Button The OK Button closes the Measurement Setup screen and opens the Calibrate screen If the File Name text box is empty or contains only spaces the program prompts the user to enter the measurement name If the Points text box is empty or contains zeros the program prompts the user to enter the points number or that the number is incorrect respectively If the File Name exists in memory the user is prompted to select a different File Name BEDE SOC 410 DHR Surface Optics S User s Guide Corporation Exit Button The Exit Button ta
33. SOC 410 DHR Reflectometer User s Guide EC Prepared by Surface Optics Corporation 11555 Rancho Bernardo Road San Diego CA 92127 Tel 858 675 7404 e Fax 858 675 2028 Surface Optics Corporation 11555 Rancho Bernardo Rd San Diego CA 92127 Phone 858 675 7404 Fax 858 675 2028 Web site www surfaceoptics com SOC 410 DHR 9 to 12 microns MODEL 0410 0030 Command Module MODEL 0410 0032 DHR Measurement Head User s Guide Version CEA 2 1 2 4 US Patent 5 714 758 and 7 236 243 The SOC 410 has been developed with support from the U S Department of the NAVY under Contract N41756 04 D 1356 CompactFlash and CF are trademarks of SanDisk Corporation All trade names are either registered trade names or trademarks of their respective holders TABLE OF CONTENTS PAGE 1 INTRODUCTION AE EO OO ON EE N N 1 2 DELIVERY PACKAGE tise it es ee N Dee ee de is be OS Re Ge ed ee ie ia ig eei 2 3 WARNINGS E 3 4 SOC 410 DHR COMPONENTS 2 ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee 4 4 1 Command Module ee ee ee ee ee ee ee ee ee ee ee ee ee A 4 1 1 Battery Cartridge ee 5 4 1 2 PDA Computer 5 4 1 3 LED idee el EE EE EE 5 4 1 4 SLOAN L IEEE ETE 5 4 1 5 CompactFlash Memory Card POrL esse sesse ee ee Roe Ge RE AK EE ee ee ee ee 6 4 1 6 CompactFlash Memory Card Adaptor ASSy ie ee ee ee ee ee ee ee 6 4 1 7 die Le EE 6 4 1 8 Vibrator Motor 6 4 1 9 Measurement Head Interface 6 4 1 10 Facto
34. The Command Module housing contains the Trigger Battery Cartridge PDA LED amp Vibrator Motor indicators CF card port Measurement Head mechanical and electrical connections IO port safety strap and is itself the integrated pistol grip handle The model and serial number plate is located in the base of the Command Module remove the battery cartridge to view it ps SOC 410 DHR Surface Optics User s Guide Corporation The command module is designed to operate a variety of easily interchangeable measurement heads It is packaged into a user friendly format that is identical to the common battery operated cordless power drill This includes a pistol grip with trigger and a battery that inserts into the bottom of the handle The computer is located in the handle with a touch screen display that faces the user during operation The user controls the unit by selecting various software functions from the touch screen interface and pressing the trigger when a measurement is to be made Measurement heads are attached to the front of the command module using a captive triple threaded collar design that is rotated independently of the measurement head and the command module One combination electrical connection is made when attaching the measurement head It provides power and data communications between the command module and measurement head It is important to note that the command module has the familiar shape of a cordless power drill
35. adsheet having a row number and a column letter The following is a description of the contents of this file referring to the Excel rows and columns The Measurement file ms has a similar structure with Pass Fail indications Configuration and Setup Rows 1 through 6 columns A and B Column A describes the data in Column B Row 1 identifies Measurement Head Model Number Row 2 shows Measurement head serial number Row 3 identifies the of the software version Row 4 identifies the Operating System OS version Row 5 identifies firmware version programmed into the Measurement Head Row 6 indicates version of the FPGA firmware Row 7 is the filename and is limited to 16 characters Row 8 says whether this Measurement file ms is locked yes or not no All files except the current file will be locked Row 9 lists the IR bands selected in the template Row 10 lists the incidence angles selected for measurement Row 11 indicates selected data units no Reflectance yes Emissivity 1 Model 410 0032 2 Head CEA 19032 3 Software Version 2 1 2 4 4 OS Version 1 1 0 2 5 Firmware Version Product ID 1 App Number 1 7 5 6 FPGA Version Product ID 1 App Number 1 7 2 7 File Name Test 8 Lock No 9 Selected Bands 1 2 3 4 5 6 10 Selected Angles 20 60 11 Emissivity No 53 ES SOC 410 DHR Surface Optics E User s Guide Corporation Calibration Reflectance Values Rl an A B C D E F G 13 Calibration Re
36. al Authorization RMA number from SOC Product returned shall be shipped F O B Destination freight prepaid by Customer LIMITED WARRANTIES AND DISCLAIMER IN NO EVENT WILL EITHER PARTY BE LIABLE FOR I SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES OR Il ANY DAMAGES RESULTING FROM INACCURATE OR LOST DATA OR LOSS OF USE OR PROFITS ARISING OUT OF OR IN CONNECTION WITH THIS AGREEMENT THE FURNISHING OF SERVICES OR THE USE OR PERFORMANCE OF PRODUCTS EVEN IF INFORMED OF SUCH DAMAGES IN NO EVENT WILL SOC S TOTAL LIABILITY FOR ANY DAMAGES IN ANY ACTION BASED ON OR ARISING OUT OF OR IN CONNECTION WITH THE AGREEMENT EXCEED THE TOTAL AMOUNT PAID TO SOC PURSUANT TO THE AGREEMENT POST WARRANTY SERVICE AGREEMENT At the expiration of the standard warranty period SOC may have available ongoing service contracts for consideration which if available could be purchased prior to the expiration of the existing Warranty CompactFlash and CF are trademarks of SanDisk Corporation All trade names are either registered trademarks or trademarks of their respective holders DEE SOC 410 DHR Surface Optics S User s Guide Corporation SOC 410 DHR Surface Optics Corporation Technical Manual Surface Optics Corporation 11555 Rancho Bernardo Road San Diego CA 92127
37. alibrate the instrument Perform measurements Data safety The measured reflectance values saved immediately after they are measured Permanent storage Data security The data are stored on a CompactFlash card The measured values are not stored in the computer s volatile memory The measured values are permanently erased from the computer s memory on power down Operation modes Two modes of operation 1 measurement 2 engineering Pass fail evaluation For each measurement immediate Pass Fail evaluation is displayed Stored data file format ASCII file coma delimited Information stored in the data file Stored data Software version measurement file name Directional Hemispherical Reflectance DHR reflectance values for all measured angles at each specified band Collection documentation Essential performance parameters stored with the data Source filament voltage and current Detector temperature Integrating sphere temperature Data tagging Time and date stored for every measurement point Data transfer via CompactFlash card SOC 410 DHR User s Guide Surface Optics Corporation Y all t Device Setup Record SOC 410 DHR Technical Manual APPENDIX C Surface Optics Corporation Parameter Setup ID Points Source 0 100 1 1600 Chopper 0 100 PbSe TEC 0 100 DLATGS TEC
38. alues as they are being measured the SOC 410 is shipped configured to operate in the Engineering mode If you need to access the inspection mode referred to below as the Measurement mode go to Setup select Device setup and change the Eng setting from on to off turn the SOC 410 off and then turn it back on In both Measurement and Engineering modes the icon in the upper right corner indicates the usable battery cartridge voltage A Low Battery warning supplements this icon TO BEGIN OPERATION Open the shipping storage case and allow the SOC 410 DHR to equilibrate to the ambient temperature and humidity of the measurement environment Secure the wrist strap around one wrist grasp the handle of the Command Module and remove it from the case Press and release the trigger once and wait The PDA screen will flash white SOC 410 DHR Surface Optics User s Guide Corporation yo ry and then stay dark for several seconds Fifteen seconds after pressing the trigger the System Test screen will appear When the System Test is complete the Measurement Setup screen will appear System Test a SYSTEM TEST Please Wait 20 completed Figure 5 1 SOC 410 DHR software System Test 5 1 Engineering Mode of Operation The SOC 410 DHR is shipped with factory settings for device setup These initial values and any future changes can be recorded in Table 1 in the Appendix B 5 1 1 Engineering Menu The Engineeri
39. ample reflectance we first combine the R s of Equations 10 8 10 10 10 15 and 10 17 R sam ege Pam 1 ge 1 0 1 8 Roa 7 R reroCal Pal 1 Be Te which after employing Equations 10 10 and 10 17 again becomes Room R E UE os Pw R oar Re 1 R zerosam Prey Pw Pam Peal 10 19 If the calibration standard has high reflectance similar to the sphere wall we can approximate Equation 10 19 with ZeroSam Sam R 1 R oa 10 20 Rca Rei 1 R Daun i Do ZeroSam The method presented here takes into account sample port overfilling as well as instrument drift between measurements including drift in the port overfilling The error produced by the approximation of Equation 10 20 is insignificant especially when compared to other potential errors 10 3 Data Measurement For the purpose of practical implementation the symbolism of the equations above was modified to account for multiple illumination angles and multiple spectral bands 47 aaa SOC 410 DHR Surface Optics K User s Guide Corporation 10 3 1 Values Measured during Calibration With the calibration coupon at the measurement port values VU are measured where index m takes values Ref 20 and 60 Ref is the internal reference position 20 and 60 are sample illumination angles Index n takes values 1 to 6 and refers to the spectral bands y Calzero m n With the calibration coupon removed from the measured port
40. and moisture entering the sphere Any of those elements can alter the performance of the SOC 410 or even damage the device Special care should be taken to protect the interior of the sphere The following situations should be avoided working in heavy fog snow or rain working under condition of blowing dust leaving the SOC 410 outside the shipping container for long periods of time inserting objects inside the integrating sphere laying the SOC 410 down on a surface covered with movable dust or dirt such as on the ground or a floor 25 BEES SOC 410 DHR Surface Optics E User s Guide Corporation DO NOT USE ELECTRONIC CLEANING CANISTERS This may leave a residue on the walls of the integrating sphere Do not use solvents to clean the inside of the integrating sphere Small amounts of dirt inside the sphere might affect the signal to noise but should not affect the data quality Heavier buildup will affect the data At that point the optics should be factory replaced 6 8 Shipping Container The SOC 410 is shipped in an airtight container The foam inside provides protection during shipping conditions Use the container or another protective cover to store the SOC 410 when not in use Keep the container closed while the unit is in use to keep out dust and debris 6 9 Environmental Recommendations The SOC 410 should be used inside the temperatures and humidity specified in Appendix A If the SOC 410 is shipped or stored in tem
41. appropriate Return the SOC410 and the calibration coupon to the shipping storage container Ms ki SOC 410 DHR Surface Optics User s Guide Corporation Measurement finished File locked Figure 5 32 SOC 410 DHR Software Measurement Measurement Finished 5 2 8 Measurement Interrupted Measurement Interrupted KEER Leave Open amp Exit Figure 5 33 SOC 410 DHR Software Measurement Measurement Interrupted Lock File Press the back arrow to stop the measurement and open the Measurement Interrupted screen Press Lock File when no further measurements will be taken under this file name The Measurement Setup screen opens start a new measurement or exit Press Leave File Open to shut off the unit for a brief period when for example the unit prompts the user to replace a low battery The user may proceed with the same measurement file from the Measurement Recovery screen when the unit is turned on again 5 2 9 Low Battery Interruption When voltage drops to about 10 Volt usually 2 battery icon bars left a message appears Battery is low You should change it immediately OK Press OK Interrupt the measurement leave the file open and exit install a charged battery cartridge and press the trigger Recover the measurement and continue at the next point after the number indicated on the Measurement screen If you do not manually interrupt the measurement you have a few more minutes before th
42. at once the file is opened into Excel save it in Excel format for future use unless you intend to add data to that file In that case keep it in the comma delimited format 13 4 Software Upgrade To install updated OS With the SOC 410 off insert the update card SOC 410 DHR User s Guide 57 Surface Optics Corporation Press the trigger A split screen will come up The top portion will inform you about the OS updates the bottom about the Application updates To update OS press the appropriate button Follow instructions When done remove the update card insert the data card press EXIT To restore to original OS With SOC 410 off insert the Restore CF card Press the trigger The computer with black screen will sit for under 8 minutes It will come back to the calibration screen Perform calibration Select CF card folder Activate ClearPersistentStorage exe Turn the SOC 410 off Turn the SOC 410 on The Persistent should be gone at this point Software update Manufacturer might in the future provide software update for your SOC 410 The updated version of software is installed via a CompactFlash card Turn the SOC 410 on Remove the Data card Observe the operating program posing on screen Insert CompacFlash Card or EXIT Insert CF card with the new software version A split screen will come up The lower portion refers to the software update Press the Install button Follow instructions When done
43. commended setting is between 30 and 35 C Sphere T indicates temperature of the Integrating Sphere It is monitored by a thermocouple This temperature will vary as a function of the IR source power TEC coolers power external temperature and external radiation sources such as the sun illuminating directly onto the SOC 410 Chopper indicates frequency at which the chopper rotates Recommended setting is slightly less than 100 Hz Note The numerical value for Chopper 0 100 in Engineering Device Setup that produces a 100 Hz chopper speed may differ from one unit to the next Always check the chopper frequency in Device Status after changing the chopper speed value 8 2 2 2 Calibration Screen The Calibration Screen displays the calculated calibration factors The calibration factors are stored in the data file Although all values exist in the data file only the values for bands and angles selected in the active template are displayed These factors are used to calculate reflectance values If the unit was calibrated at some point during the measurement a set of new calibration factors will be entered into the data file Reflectance values will be calculated using the most recent calibration factors The data already stored will not be recalculated At the Calibration Screen Engineering only two user inputs are accepted Back Arrow The Back Arrow soft button cancels the measurement and returns the user to the Engineering scree
44. debris and fluids out of the integrating sphere is critical to achieving accurate measurements 4 2 3 Command Module Interface The head at its base is finished with a female triple threaded ring which mates with the male thread on the command module The three alignment pins correspond to the Command Module inserts for smooth connector mating with the Command Module Make sure that the command module is off before removing or installing the Measurement Head 5 OPERATION The SOC 410 has been designed for easy operation with minimum training required It has two modes of operation Measurement and Engineering The Measurement mode collects data for multiple inspection points and gives a Pass Fail indication based on a reference coupon measurement and a given tolerance Operation in that mode is described in Section 5 2 Measurement Mode Step by Step Instructions In the Engineering mode the measurement values are displayed for each angle and band instead of showing Pass Fail The Engineering mode allows the user to set up measurement templates manually input calibration values change internal device settings monitor device status and view device diagnostics The access to the engineering mode can be password protected and its access can be limited to authorized personnel If you prefer to see the measured reflectance values while taking the data use the Engineering mode of operation Since many SOC 410 users prefer seeing the reflectance v
45. duced during a single data acquisition cycle The entire optical measurement assembly is mounted on a flexible universal coupling It is important to the integrity of the measurement that the sample port is pressed squarely up against the sample surface Without this flexible coupling the user would have to hold the entire SOC 410 DHR Surface Optics User s Guide Corporation yo ry unit very precisely perpendicular to the sample surface during a measurement This is very difficult to do if not impossible in many situations The flexible universal coupling allows the user to push the measurement head up against the surface and it will compliantly align itself without requiring the user to hold the unit very still during a measurement 4 2 1 Integrating Sphere The integrating sphere is pressed directly against the surface to be measured A rubber ring protects the measured surface from contact with the metal surface of the integrating sphere and provides a non skid surface to press against the sample surface The round opening at the end of the sphere is a port for infrared light to illuminate the measured surface and for returned light scattered and or reflected by the measured surface The integrating sphere sample port is pressed against the sample to make a measurement The infrared beam is rotated through its various positions during a measurement at which point the sample is illuminated at a 20 and 60 incident beam The sample
46. e Measurement Files screen Press the desired file name and then press View The view data screen is opened with the file name as the title Use the up and down arrows to view results for the desired inspection points If the measurement failed the data that fell outside the range defined by the measured reference coupon and the tolerances in Template Setup are shown in red Measurement Files f Figure 5 16 SOC 410 DHR software Measurement Files 5 1 1 7 Options The Engineering menu Options button opens a screen that allows the user to change administrative settings or view unit information 5 1 1 7 1 Color Scheme Black and White Windows type Options G ra y GE scheme e Wi t SOC colors noowe De Ma Figure 5 17 SOC 410 DHR software Options 16 T E E SOC 410 DHR Surface Optics 7 User s Guide Corporation 5 1 1 7 2 Password Change Password Change Enter old password Enter new password Confirm new password Figure 5 18 SOC 410 DHR software Options Password Change 5 1 1 7 3 About Software amp OS version ES Surface Optics Corporation SOC 410 DHR ver 2 1 2 4 OS ver 1 1 0 2 Figure 5 19 SOC 410 DHR software Options About 5 1 1 7 4 Calibrate Screen Aligns touch point LCD screen If the buttons don t respond as expected the PDA screen may need to be calibrated Enter the Calibra
47. e ee ee ee ee ee ee ee 22 5 2 8 Measurement Interrupted ee ee 23 5 2 9 Low Battery Interruption AE bene taidett eats ceueitenteteescunents 23 5 2 10 MeasurementReCOVerV usse eie ees se EE Re EE ER GREG Gee RR ee EE Se ee ee 23 HARDWARE OPERATION ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee RR Re ee ee ee ee ee ee ee ee ede ee 24 6 1 Installing and Removing the Battery Cartridge esse ee ee ee 24 6 2 Recharging the Battery Cartridge sees ees EE ER Se Ee EE kk ee ee ee ee ke Ke EE Ee 24 6 3 Installing and Removing the CompactFlash Card w AdaptOF see 24 6 4 Disconnecting and Reconnecting the DHR Head 25 6 5 Taking Care of the Display Screen see see Ee KA KEER Se ee Ge ek ee ke RR Se ee ee 25 6 6 Taking Care of the Calibration Coupon 25 6 7 SOC 410 Maintenance ee ee ee ee ee ee ee ee ee ee ee ee ee AA ee ee ee 25 6 8 Shipping Container 26 6 9 Environmental Recommendatons sesse ee ee ee ee ee ee ee ee ee ee ee ee 26 COMPUTER MEMORY AND SOFTWARE COMPONENTS ee ee ee ee 26 7 1 PDA Operating System su ane ae ED Ep ed eb ke EE EA Re ae Rd ie 27 7 2 SOC 410 Control Software ee ee ee Re EA ee AA AA AA AA AA AA AA Re AR Re ee Re ee 28 7 3 Software Installer ee ee ee ee ee ee AA AA AA ee AA AA AA AA AA AA AR 28 7 4 Memory and CompactFlash Card iese ees sesse Ee Ge EE Ek Ke RE Gee RE EE EE EE Se ke ee 28 SOFTWARE DETAILED DESCHRIPTION ee ee ee ee
48. e voltage drops to the level where the message appears Battery Level Critical Shutting Down and the unit automatically shuts off leaving the file open for recovery 5 2 10 Measurement Recovery When the unit is turned on again after a file was left open the System Test screen is followed by the Measurement Recovery screen Choose between continuing the previous inspection or closing the file and starting a new file Press Cancel to shut down the unit Measurement Recovery B The measurement measi was not completed properly Proceed with meas i Close file meas i and start new file Figure 5 34 SOC 410 DHR software Measurement Recovery 23 SOC 410 DHR Surface Optics User s Guide Corporation To access the Engineering section start the unit as described in the Measurement section At the Measurement Setup screen press Eng The Enter Password screen will appear Use the multi tap keypad to enter the password and press OK 6 HARDWARE OPERATION 6 1 Installing and Removing the Battery Cartridge The SOC 410 is shipped with one battery installed in the Command Module and one located in the shipping container Two batteries are provided for the purpose of supporting continuous SOC 410 operation One battery will supply electrical power for about two hours of continuous operation at room temperature To remove the battery simultaneously press the grey buttons on the battery and pull it down away from t
49. ediately cover the calibration coupon Calibrate E Place Calibration Coupon Press TRIGGER Calibrate E Remove Calibration Coupon Press TRIGGER Figure 5 23 SOC 410 DHR software Calibrate Coupon Measurement Calibration Failure After First Attempt If the calibration fails the Calibrate screen does not close Repeat the calibration as above Calibrate E Calibrate a Place Calibration Coupon Remove Calibration Coupon Press TRIGGER Press TRIGGER Calibration Fail Must repeat measurement Figure 5 24 SOC 410 DHR software Calibrate First Failure Calibration Failure After Second Attempt If the calibration fails again the Calibration screen does not close Press the Back Arrow to return to the Measurement Setup screen Press Exit and then Yes to confirm Shut Down Repeat the process from the beginning 19 SOC 410 DHR Surface Optics User s Guide Corporation H Ki Calibrate E Calibrate E Place Calibration Coupon Remove Calibration Coupon Press TRIGGER Press TRIGGER Calibration Fail Re boot unit amp repeat process Figure 5 25 SOC 410 DHR software Calibrate Second Failure Calibration Failure After Reboot If the calibration fails after rebooting the unit the Calibration screen does not close Do not repeat the measurement Press the Back Arrow to return to the Measurement Setup screen Press Exit and then Yes to confirm Shut Do
50. ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee 29 8 1 Measurement Mode 29 8 1 1 Measurement Setup Screen es ee ee ee ee ee ee AA ee AA ee 29 8 1 2 Calibrate Screen AE EE EO EFRR 31 8 1 3 Reference Screen ee ee ee ee ee ee 31 8 1 4 Reference Identification Screen 32 8 1 5 Measurement Screen ee ee 32 8 1 6 Measurement Recovery Screen sesse es ee Re ee ee ek Rae ee ee 33 8 2 Engineering e EE 33 8 2 1 Password Green 33 8 2 2 Engineering SC n EE 34 8 2 2 1 Device Status Screen ee ee ee ee ee ee ee 34 8 2 2 2 Calibration Screen ee ee RA AA AA AR Re AR Re AR Re AR ee 35 8 2 2 3 Engineering Measurement Screen n 36 8 2 2 4 Setup Green 38 8 2 2 4 1 Template Setup Green 38 8 2 2 4 2 Calibration Setup screen 39 8 2 2 4 3 Device Setup Green 40 8 2 2 4 4 Diagnostics SEGE KRAKE 42 8 2 2 5 Measurement Files Screen ee ee ee ee 42 8 2 2 6 Options SEreeN EE EES ES SE EE ERG SN events 43 8 2 2 6 1 Color Scheme Screen ee ee 43 8 2 2 6 2 Password Change Screen esse 43 8 2 2 6 3 About SCreeN ee 43 8 2 2 6 4 Calibrate Screen Screen ee 43 PRACTICAL COMMENTS ON MEASUREMENT PROCEDURES sesse A4 ii 10 11 12 13 REFLECTANCE CALCULATION 0 ieee ee ee ee ee ee ee ee Re ee ene A4 10 1 Directional Reflectance Theory iii iese Re ee ee EE RA AR ER Re Gee RA RA kk AR Gee Re 44 10 2 SOC 410 General Eouaton Ee RR Ee RR Ee
51. eflectance curve is constant in the band then the prediction will be very accurate If the spectral reflectance curve changes drastically its values within the analyzed band the error of computed reflectance values might be larger depending on how accurate the aggregate system responses curves are 12 NIST TRACEABILITY The SOC 410 is calibrated with a calibration coupon provided by SOC The reflectance values entered in the Calibration Setup were measured in reference to the calibration sample provided by NIST NIST provides a sample of specular gold and its reflectances are measured at 8 and 60 degrees incidence It is assumed that reflectances at 8 degrees are equal to reflectances at 20 degree incidence NIST provides reflectance values in the function of wavelength as it is generated by FTIR the method described in Chapter 11 was used to generate reflectance values for the bands utilized by the SOC 410 Those reflectances were entered as the calibration values to the SOC 410 and the SOC calibration coupon was measured The obtained reflectance values were in turn entered as the calibration values 51 BEES SOC 410 DHR Surface Optics E User s Guide Corporation Each Measurement head produced by SOC is evaluated with a selection of samples measured by NIST The comparison of NIST data and the SOC 410 data is provided with each shipped unit In most cases the SOC 410 readings are within the NIST uncertainties 13 SOC 410 FILES DESCRIPT
52. ess the Calibrate Screen soft button and calibrate the display screen Use a dull non marking stylus or your finger to press the points on the screen Make sure to 43 BEES SOC 410 DHR Surface Optics E User s Guide Corporation confirm the calibration within 30 seconds of tapping the last calibration point by tapping the screen If you experience problems with the soft buttons like pressing one of them does not result in a desire action or a different action is performed by the PDA perform screen calibration Cancel The Cancel soft button returns the user to the Engineering screen OK The OK soft button saves the Color scheme and returns the user to the Engineering screen 9 PRACTICAL COMMENTS ON MEASUREMENT PROCEDURES The SOC 410 is meant to be tool for rapid reflectance inspections However to trust the results the measurements must be taken with observance of good measurement practices The basic requirements are select a representative measurement spot but preferably flat with no local scratch or dirt not on a rivet or a screw unless such a measurement is requested Press the sampling port flat against the inspected surface Keep it steady during the entire measurement If the user is not sure if the sampling port is pressed directly against the surface hold the SOC 410 DHR so you can see the interfacing elements Correct the position if required and then press the trigger 10 REFLECTANCE CALCULATION 10 1 Directional
53. ess the trigger The hourglass indicator will appear until the calibration is complete The LED and vibrator motor will indicate that the calibration is complete Calibrate Place Calibration Coupon Press TRIGGER 60 700 002 um 20 0 9 1 1 700 001 1 9 2 6 702 001 702 002 3 0 4 0 701 001 701 002 3 0 5 0 709 001 703 002 4 0 5 0 700 001 700 002 8 0 12 0 704 001 704 002 Measure Cal Coupon 3 x Figure 5 5 SOC 410 DHR software Calibrate After the Done appears press the back arrow SOC 410 DHR User s Guide H Ki Surface Optics Corporation 5 1 1 3 Eng Measurement Take the unit to the surface to be tested Press the sampling port tight against the measured object and press the trigger Continue to hold the sampling port against the measured surface while the measurement is taken and the hourglass indicator is shown about 10 seconds depending on settings Figure 5 6 Proper holding of the SOC 410 during measurement of a large object To indicate that the measurement is finished the hourglass will disappear the LED in the upper left hand corner of the PDA housing will light and the handle will vibrate Hold the sampling port away from any objects or sources of IR light and press the trigger The hourglass indicator will appear while the unit performs an internal calibration measurement When this is accomplished the hourglass will disappear
54. flectance 14 Angle Band 1 Band 2 Band 3 Band 4 Band 5 Band 6 15 20 0 98 0 985 0 986 0 986 0 987 0 989 16 60 0 98 0 987 0 986 0 983 0 985 0 982 17 Reference Reflectance Values Tolerance range for Pass Fail evaluation for the ms files ONLY Points Number total number of data points in the file A B C D E F G 11 Calibration Reflectance 12 Angle Band 1 Band 2 Band 3 Band 4 Band 5 Band 6 13 201 0 975 0 983 0 983 0 983 0 983 0 983 14 60 0 975 0 981 0 983 0 983 0 983 0 985 15 16 Reference Reflectance 17 Band 1 Band 2 Band 3 Band4 Band 5 Band 6 18 Angle 20 19 Tolerance 0 2 0 2 0 2 0 2 0 2 0 2 20 21 Angle 60 22 Tolerance 0 2 0 2 0 2 0 2 0 2 0 2 23 24 25 Points Number 200 Measured Reflectance Values in the ems files for 20 incidence angle A B C D E F G H 19 Angle 20 20 0 9 1 1 1 9 2 4 3 0 3 9 3 0 5 0 4 0 5 0 8 0 12 0 21 Point Date Time Sample Reflectance Reflectance Reflectance Reflectance Reflectance Reflectance 22 1 12 4 2007 5 40 Diff Gold 0 913 0 908 0 878 0 908 0 911 0 883 23 2 12 4 2007 5 40 Diff Gold 0 916 0 911 0 879 0 91 0 911 0 874 24 3 12 4 2007 5 41 Diff Gold 0 916 0 911 0 88 0 913 0 918 0 883 25 4 12 4 2007 5 41 Diff Gold 0 917 0 915 0 882 0 913 0 915 0 885 26 5 12 4 2007 5 42 Diff Gold 0 915 0 91 0 879 0 911 0 912 0 878 27 Averaged Diff Gold 0 916 0 911 0 88 0 9
55. for a portable device for verification of optical properties of large objects in the field The SOC 410 is a handheld cordless modular reflectometer powered by a commercial off the shelf COTS rechargeable battery It consists of two modules the Command module and the Measurement Head The Command Module can operate other easily interchangeable SOC Measurement Heads The Measurement Head can also be operated using a properly configured PC as well as the Command Module The SOC 410 s lightweight counter balanced pistol grip design allows single handed carry and use Hold the unit against the surface to be tested press the trigger to take the measurement hold the unit away from the surface and press the trigger again to complete the measurement and read the pass fail results on the PDA screen Measurements can be taken on curved surfaces without special jigs or fixtures The SOC 410 equipped with the DHR Measurement Head measures the integrated surface reflectance of a surface at two different angles of incidence 20 and 60 and for six discreet wavelength bands in the 9 um to 12 um spectral range The integrating sphere captures the reflected light from the target material integrating reflections in all directions Wavelength filtered detectors measure the total light reflected in each wavelength band and converts it to an analog electrical signal The SOC 410 Electronics processes the detector signals for initial amplification fi
56. he handle To load the battery align the tongue on the battery cartridge with the groove in the housing and slide it into the handle and press firmly until you hear a click Verify that both clips are locked and the battery sits securely 6 2 Recharging the Battery Cartridge To charge battery cartridge plug the battery charger into the proper 110 V AC voltage source The charging light will flash green Insert the battery cartridge so that the plus and minus terminals on the battery cartridge are on the same sides as their respective markings on the high capacity battery charger Insert the cartridge fully into the port so that it rests on the charger port floor When the battery cartridge is inserted the charging light will change from green to red and charging will begin The charging light will remain lit steadily during charging When the charging light changes from red to green the charging cycle is complete If you leave the battery cartridge in the charger after the charging cycle is complete the charger will switch into its trickle charge maintenance charge mode After charging unplug the charger from the power source It takes about an hour to fully recharge a new battery at room temperature The battery should be recharged at temperatures between 10 C 50 F and 40 C 104 F 6 3 Installing and Removing the CompactFlash Card w Adaptor The CompactFlash card adaptor provides a convenient handle an orientation guide for
57. ication 5 2 6 Measurement Take the unit to the surface to be tested Press the sampling port tight against the first measured point and press the trigger Press Against Sample Press TRIGGER Remove Sample Press TRIGGER A 1 v Figure 5 28 SOC 410 DHR software Measurement Sample Measurement Continue to hold the sampling port against the measured point while the measurement is taken and the hourglass indicator is shown about 10 seconds To indicate that the measurement is finished the hourglass will disappear the LED in the upper left hand corner of the PDA housing will light and the handle will vibrate Hold the sampling port away from any objects and press the trigger The hourglass indicator will appear while the unit compares the measurement to the reference coupon measurement To indicate that the reference comparison is finished the hourglass will disappear the LED in the upper left hand corner of the PDA housing will light and the handle will vibrate Passing Measurement Press Against Sample Press TRIGGER A 1 Pass v Figure 5 29 SOC 410 DHR software Measurement Pass 21 EE SOC 410 DHR Surface Optics User s Guide Corporation A measurement where all the reflectance values fall within the tolerances of the measured reference coupon is a Pass The measurement point counter will increment to the current point numbe
58. issivity values will be displayed and the remaining number of mesuremnts will be displayed in red on the button Continue measurments of the same sample untill the number on the averaging button resets itself changes color to black Overwrite The Overwrite soft button toggles between saving new measurement values and keeping the previous measurement value To overwrite the displayed reflectance values check the Overwrite box With the Overwrite box checked any subsequent measurement will be written to the current measurement point To continue to the next measurement point leave the Overwrite box uncheck Trigger The sixth input is through the trigger Two messages prompt the user 37 BEES SOC 410 DHR Surface Optics E User s Guide Corporation Ready Remove Press Again Back Arrow The Back Arrow soft button cancels the measurement and returns the user to the Engineering screen Once the specified in the template number of measurement points have been measured any further measurements will overwrite the last measurement data point 8 2 2 4 Setup Screen The Setup soft button opens the Setup screen menu There are five soft buttons Template Setup Calibration Setup Device Setup Diagnostics Back Arrow 8 2 2 4 1 Template Setup Screen The Template Setup screen has nine user inputs The New and Edit soft buttons open the Template Definition screens One of three tabbed screens will appear Name Bands and Tol
59. kes the user to the Shut Down confirmation screen Pressing Yes turns off the SOC 410 DHR Pressing No returns the user to the Measurement Setup screen 8 1 2 Calibrate Screen At the Calibrate screen only two user inputs are accepted Back Arrow The Back Arrow soft button cancels the measurement and returns the user to the Measurement Setup screen Trigger The other input is through the trigger Four messages prompt the user Place Calibration Coupon Press TRIGGER Remove Calibration Coupon Press TRIGGER Place Calibration Coupon Press TRIGGER Calibration Fail Must Repeat Measurement Place Calibration Coupon Press TRIGGER Calibration Fail Re boot unit amp repeat process Once the trigger is pressed the hourglass screen shows that the calibration measurement is occurring If the calibration passes the screen automatically changes to the Reference Screen 8 1 3 Reference Screen At the Reference screen only two user inputs are accepted Back Arrow The Back Arrow soft button cancels the measurement and returns the user to the Measurement Setup screen Trigger The other input is through the trigger Two messages prompt the user Place Reference Coupon Press TRIGGER Remove Reference Coupon Press TRIGGER Once the trigger is pressed the hourglass screen shows that the reference measurement is occurring When the reference measurement is done the screen automatically changes to the Reference Identification Screen 31 BEES SOC 410
60. lect File screen and opens the Engineering Measurement screen BEDE SOC 410 DHR Surface Optics S User s Guide Corporation Open The Open soft button makes the highlighted file name active and opens the Engineering Measurement screen S Sample name button Select Sample Select a sample name from the list or enter a new sample name The sample name will be displayed on the S button and stored with the data into the data file Left Arrow The Up Arrow soft button takes the user back to the previously measured point It is disabled and shown grayed out until a second measurement is taken It is also grayed out when the first measurement is viewed Right Arrow The Down Arrow soft button takes the user to the next most recently measured point It is disabled and shown grayed out until a second measurement is taken It is also grayed out when the last point measured is viewed The user cannot scroll beyond points that have not been measured Averaging button Press this button to change the number of measurments you intend to make and average Select X To change the number of measurements to be averaged press the backspace button on the keypad and type in the desired value Press OK If value 1 is entered only one measurment will be taken and no standard deveitions will be displayed in the data columns If the value is larger then one after the first data point is measured the current reflectance em
61. llection starts The recommended setting is 0 25 seconds LED Time Period of time for which the LED and vibrator come on to signal the end of the measurement sequence Depending on the ambient noise level this setting can be as short as 0 3 seconds and as long as 10 seconds Pressing the trigger to start the next measurement step turns off the LED and vibrator To turn the LED Vibrator off set time to 0 seconds Battery Warning This sets the battery voltage level that prompts the user to recharge the battery The warning is set between 0 and 100 The recommended setting is 22 which corresponds to about 10 volts Shut off This sets the battery voltage level that automatically shuts off the unit The shut off is set between 0 and 100 The recommended setting is 10 which corresponds to about 9 6 volts Emissivity Emis Depending on your measurement needs you may prefer to see the emissivity values not the reflectance values reported on the screen and saved to the data file The emissivity values are calculated as 1 9 E emissivity p reflectance Remember that this equation is valid only for non transparent samples on selects emissivity units off selects reflectance units After changing the units create a new data file for saving the measured values Engineering Eng When this is set to on the program skips the Measurement Mode and operates only in the Engineering mode To operate in the Measurement
62. located in the upper left corner of the rubber housing for the PDA The LED provides additional user interface to indicate that the unit is ready for the next step during measurement 4 1 4 Software The software operates like a smart calculator Control measurement or data processing functions are exercised by pressing soft buttons on the PDA screen The data is formatted and stored in a standard spreadsheet format which can be opened from the Microsoft Excel application 5 BEES SOC 410 DHR Surface Optics E User s Guide Corporation For security reasons no data is stored in non volatile memory All data are stored on CompactFlash card and volatile memory while the device is on When the device is powered off all data are erased and are maintained only on the CompactFlash card which can be easily removed for secure storage 4 1 5 CompactFlash Memory Card Port The CompactFlash CF memory card port is located on the top of the PDA 4 1 6 CompactFlash Memory Card Adaptor Assy The CompactFlash Memory Card Adaptor Assembly provides a handy grip allowing the user to orient the card quickly for proper insertion into the command module The grip also provides a barrier to keep debris from entering the CF card port The command module stores all data onto the CF card 4 1 7 Trigger The trigger placed at the top of the handle performs two different functions Its first function is to turn the system on The trigger is pressed to start the
63. me selects that file Scroll up arrow View file names that are above the files shown Scroll down arrow View file names that are below the files shown Back Arrow Return to the Engineering screen View Open the Measurement data screen Measurement Data Screen The Measurement Data screen has the selected file name as the screen title If the measurement failed the data that fell outside the range defined by the measured reference coupon and the tolerances in Template Setup are shown in red There are three soft buttons on the screen Down Arrow The Down Arrow operates the same as in the Engineering Measurement screen Up Arrow The Up Arrow operates the same as in the Engineering Measurement screen BEDE SOC 410 DHR Surface Optics S User s Guide Corporation Back Arrow The Back Arrow take the user to the Measurement Files screen 8 2 2 6 Options Screen The Options screen has six soft buttons 8 2 2 6 1 Color Scheme Screen Press the Down Arrow soft button to open the Color Scheme drop down menu The Up and Down Scroll Bar Arrow soft buttons scroll through the available color schemes when there are more than four color schemes To select a new color scheme press the soft button name of the color scheme The color scheme is immediately shown in the Options screen To close the drop down menu without changing the color scheme press the Up Arrow soft button or the name of the current color scheme in the list 8 2 2 6 2
64. measurement as the sampling port is held against each measurement point and again as the sampling port is held away to start the normalizing measurement 4 1 8 Vibrator Motor The vibrator motor is mounted inside the handle It provides an additional user interface in the form of a tactile signal transmitted through the handle to signal the operator that the unit is ready for the next step in the measurement or that the measurement is finished 4 1 9 Measurement Head Interface The command module can interface with any available measurement head Three inserts in the command module mate with the alignment pins of the measurement head A single electrical connector provides power to the measurement head control signals and transmits status signals to the PDA computer Once aligned the measurement head collar screws onto the triple male thread of the command module s threaded retainer and seats the connector 4 1 10 Factory Diagnostics Port This port should not be accessed by the user It is strictly for factory use at this time 4 2 Measurement Head The DHR Head is based on a modified integrating sphere It measures Directional Hemispherical Reflectance in six bands in the 9 12 um spectral range using six different filter detector combinations Two angles of illumination are provided at 20 and 60 degrees Directional Reflectance is recorded for the data at the incident angles and spectral bands measured A total of twelve data points are pro
65. n Trigger The other input is through the trigger Three messages prompt the user Place Calibration Coupon Press TRIGGER Remove Calibration Coupon Press TRIGGER Place Calibration Coupon Press TRIGGER Done Once the trigger is pressed the hourglass screen shows that the calibration measurement is occurring The new calibration factors are shown when the Done message is displayed 35 BEES SOC 410 DHR Surface Optics E User s Guide Corporation 8 2 2 3 Engineering Measurement Screen Below the screen title is the active engineering measurement file name and the current sample name Reflectance values for six bands each for two illumination angles are displayed in the middle section of the screen The battery status is displayed in the right corner At the Engineering Measurement screen eight user inputs are accepted F File name Button S Sample name button Left Arrow Right Arrow Averaging button Overwrite Back Arrow Trigger F Edit name button The F Button opens the Select File screen Select File There are six soft button inputs File name list Up Arrow Down Arrow New Cancel Open File Name List The scrolling list shows four file names at a time Press a file name to highlight it Up Arrow The Up Arrow scrolls to the top of the list Down Arrow The Down Arrow scrolls to the bottom of the file name list New This soft button opens the Enter New File Name multi tap input keypad Cancel Cancel closes the Se
66. n the last point measured is reached The user cannot skip points that have not been measured The fourth input is through the trigger Note The Pass Fail shown on the Measurement screen is for the last measurement point only It does not indicate the Pass Fail of the previously measured points The Down Arrow only takes the user to the next point to overwrite that measurement Trigger Five messages prompt the user to press the trigger Press Against Sample Press TRIGGER Remove Sample Press TRIGGER Press Against Sample Press TRIGGER Pass BEDE SOC 410 DHR Surface Optics S User s Guide Corporation Press Against Sample Press TRIGGER Fail Must repeat measurement Press Against Sample Press TRIGGER Fail Once the specified number of measurement points have been measured any further measurements will overwrite the last measurement data Back Arrow The Back Arrow soft button opens the Inspection Finished amp Exit screen Three soft buttons are available Lock File Leave File Open and Cancel Lock File closes the file so that it cannot be accessed from the Command Module and shuts down the unit Leave File Open closes the file so that it can be accessed again from the Command Module and shuts down the unit Cancel closes the Inspection Finished amp Exit screen and returns to the last measurement point 8 1 6 Measurement Recovery Screen The message The measurement File Name was not completed properly appears above three
67. n toggle soft button The numeric range for a given parameter is shown below the parameter name A warning appears if values outside of this range are entered when either Apply or OK are pressed Points Relates to the number of readings collected and averaged by the electronics The number of averaged readings can be as large as 900 Usually about 40 points should be enough for recording repeatable data If the measurements are not repeatable increase the number of points The larger the number of points the longer the measurement process almost three minutes of sample contact at 900 points The user is encouraged to experiment with this A lower number of points might satisfy a particular requirement and shorten the measurement time Source Refers to the power of the IR source The source power values are set from 0 to 100 Set to 0 to turn the source off The value 75 is recommended for normal operation Too high of a value shortens the life of the source and also causes excessive heat generation by the filament That heat is transferred to the Integrating Sphere and to the detector The temperature of the detector will rise triggering the TEC element resulting in more heat generation and higher power consumption Chopper This parameter controls the frequency at which the chopper rotates The value is set from 0 to 100 We recommend a value of 25 which relates to about a 90 Hz frequency Verify the chopper frequency using the Device Stat
68. ng screen will open with the following menu Device Status Calibration Eng Measurement Setup M Files Options Engineering E Device Status Calibration options Figure 5 2 SOC 410 DHR software Engineering 5 1 1 1 Device Status Press Device Status to display the internal operating parameters This information is available for troubleshooting when consulting SOC Technical Support 9 SOC 410 DHR Surface Optics User s Guide Corporation I Al Device Status Battery Micro FPGA 2 5 FPGA 1 2 PDA Analog Source PbSe T H 12 77 V 0 41 A 3 29 V 2 47 V 1 19 V 8 97 V 5 07 V 5 30 V 4 80 V 0 51 A 9 29 C DLATGS T Sphere T 31 84 C 38 91 C Chopper 101 40 Hz Figure 5 3 SOC 410 DHR software Device Status 5 1 1 2 Calibration Press Calibration to display the Calibrate screen The Calibration Coupon is the coupon provided by the manufacturer to calibrate the SOC 410 Figure 5 4 Calibration WARNING Do Not Touch the Surface of the Calibration Coupon Remove the Sampling Port Cap from the integrating sphere and hold the calibration coupon tight over the sampling port and press the trigger Continue to hold the coupon over the sampling port while the measurement is taken and the hourglass indicator is shown The LED and vibrator motor will indicate that the measurement step is complete Remove the calibration coupon from in front of the sampling port and pr
69. ng values are displayed Battery indicates current voltage on the battery cartridge leads and current drawn from the battery cartridge Normal operation Voltage 10 to 13 V Current 2 to 6A Micro indicates Voltage to power digital electronics Normal operation 3 3 V 5 FPGA 2 5 indicates Voltage on the FPGA Normal operation 2 5 V 5 FPGA 1 2 indicates Voltage on the FPGA Normal operation 1 2 V 5 PDA indicates Voltage supplying the PDA computer Normal operation 9 0 V 5 Analog indicates voltage provided by the analog power supply Normal operation 5 0 V 5 and 5 1 V 5 Source indicates voltage and current on the source of infrared radiation The Voltage on the source is user controlled from the Engineering Device Setup menu It is recommended that the voltage is not set higher than 5 V usually the source is operated at about 4 8V BEDE SOC 410 DHR Surface Optics S User s Guide Corporation PbSe T indicates the temperature of the lead selenide detector The temperature of the detector is monitored inside the detector s housing It is user controlled in the Engineering Device Setup menu The recommended setting is between 5 and 10 C Higher operating temperatures result in higher noise levels DLATGS T indicates the temperature of the DLATGS detector The temperature of the detector is monitored inside the detector s housing It is user controlled in the menu The re
70. om section is separated by a horizontal line Under the line on most of the screens there is a back arrow button and on some of them an additional support button 8 1 Measurement Mode 8 1 1 Measurement Setup Screen The screen appears after the SOC 410 s software is loaded If the SOC 410 is configured to operate in the Engineering mode go to the Device Setup and change the Eng setting from on to off turn the SOC 410 off and then turn it back on There are eight soft buttons on this screen 29 BEES SOC 410 DHR Surface Optics E User s Guide Corporation File Name Text Box Pressing the text box opens the multi tap keypad The keypad operates similar to a twelve button cellular phone keypad Press a button once to enter the first character for that button Press a button repeatedly to cycle through the characters shown on the button Pressing a button when the last character is shown starts the sequence at the first character The text box accepts only ten characters The available characters are Numbers 0 9 Lowercase letters a z Punctuation period comma hyphen Space shown as brackets on the 1 button The Delete key deletes the character to the left of the cursor OK The lower left button is the OK key Press OK on the keypad to close it When the text box is empty or contains only spaces a warning window will show up only after the Measurement Setup OK button is pressed Points Text Box
71. orkmanship and perform in accordance with the applicable data sheet or agreed upon specifications when operated within the temperature and all other operating condition limitations set forth therein under normal use for a period of twelve 12 months from date of shipment The warranty is void if failure of the Product has resulted from accident abuse misapplication or act of God or if the Product has been repaired or altered by someone other than SOC or its authorized repair agent or if any event in SOC s Standard Conditions of Quotation or specific SOC Quotation that would render warranty voided has occurred SOC s entire liability and exclusive remedy shall be the repair or replacement at SOC s sole discretion of the Products which do not meet the limited warranty and which are returned freight prepaid by Customer to SOC or its authorized repair agent Products must be shipped in original containers If the original container is not available customer shall contact SOC to make arrangements for a suitable shipping container Any replacement Products are warranted for the remainder of the original warranty period or for ninety 90 days whichever is longer THE WARRANTY AS SET FORTH HEREIN IS IN LIEU OF ALL OTHER WARRANTIES WHETHER EXPRESSED IMPLIED OR STATUTORY INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE Prior to returning any Product Customer must obtain a Returned Materi
72. oth angles are unchecked the user is warned to select at least one angle If the Points text box is blank the user is asked to enter the points number If the Points text box is contains only zeros the user is warned that the Points Number is incorrect Tolerances The Tol tab soft button shows the Tolerance values used to evaluate the measurements for Pass Fail The twelve soft text box buttons open a numeric keypad to edit the tolerance value for that angle band combination If the text box is left blank then the values defaults to zero if the OK soft tab is pressed Delete The Del soft button opens the Do you really want to delete File Name decision box with a Yes and No soft button Make Active The Make Active soft button selects the template that will be used for subsequent measurements in both the Measurement and Engineering modes A gt character will appear to the left of the Template Name Template Name List The Template Name List shows four Template Names at a time Each name is a soft button that highlights that name when pressed The scroll bar on the right side of the List has Up and Down Arrow soft buttons to view other Template Names not visible The bottom in between the arrows indicates the location of the Template Names in the List It will also function as an Up Arrow soft button 8 2 2 4 2 Calibration Setup screen The Calibration Setup screen has 14 soft buttons Cancel The Cancel
73. oubleshooting filename ms files contain measurement mode data These files are your basic data files generated in the Measurement mode of the SOC410 software Those are ASCII coma delimited files and can be opened directly in Microsoft Excel The detailed description of this file is located in section SOC410 DHR Data file description filename mbk is a backup file of the filename ms file Both files are appended with every measurement The filename ms file is appended first and then the filename mbk file This double file system assures that no data is lost during potential system crash BEDE SOC 410 DHR Surface Optics S User s Guide Corporation filename tpl file is the file created in the Template Setup section of the Engineering Mode of operation It serves as a template for the measurement files created in the Measurement and Engineering modes of operation filename tbk files are backup files of the filename tpl files Both files are constantly updated as measurements are recorded filename ems file contains measurement data taken in the Engineering mode filename ebk is the backup file for filename ems samenames txt file contains names of measured samples This file can be created on a desktop computer in Windows Notepad That will eliminate need for typing the sample names on the PDA 13 2 Engineering Measurement Data File ems Description The data file opens as a spreadsheet in Microsoft Excel with each cell in the spre
74. peratures below 0 C it should be brought to at least 0 C inside the shipping container and left for two hours to warm up before operating It should not be used at temperatures below 0 C 32 F and above 50 C 122 F 7 COMPUTER MEMORY AND SOFTWARE COMPONENTS By Software Components we mean PDA Operating System SOC 410 DHR control software Software Installer The SOC 410 DHR device in a very simplified definition consists of the PDA connected to the DHR Head unit via a serial cable The PDA hosts the Windows CE operating system and software that controls the SOC 410 DHR The DHR Head is an independent unit which can be controlled via a serial communication from any device capable of serial communication This means that the DHR head for example can be detached from the SOC 410 and connected to a regular PC and it will function exactly the same as long as the application on the PC knows how to communicate with it BEDE SOC 410 DHR Surface Optics S User s Guide Corporation Serial Communication RS232 Figure 7 1 Simplified schematic of SOC 410 DHR device 7 1 PDA Operating System The operating system is the customized version of Windows CE 4 2 or later compatible with the InHand Electronics FT3 device It is custom built using the Microsoft Platform Builder tools The purpose of the operating software is to Control the DHR head Obtain measurement data from the head Display measurement data to the user
75. r and the measurement screen will show Pass Go to the next sampling point and repeat the measurement procedure Failing Measurement After First Attempt A measurement where one of the reflectance values falls outside the tolerances of the measured reference coupon is a Fail The measurement point counter will NOT increment and the Measurement screen will show Fail Must Repeat Measurement Repeat the measurement at the current point Press Against Sample Press TRIGGER A 1 Fail Must repeat measurement Figure 5 30 SOC 410 DHR Software Measurement First Failure v Failing Measurement After Second Attempt If the measurement fails again the data for the measurement is saved The measurement point counter will increment and the measurement screen will show Fail Go to the next sampling point and repeat the measurement procedure Press Against Sample Press TRIGGER A 1 Fail h Figure 5 31 SOC 410 DHR Software Measurement Second Failure 5 2 7 Measurement Finished When the last measurement point has been measured the Measurement Finished File locked OK window opens Press OK and return to the Measurement Setup screen Enter the next measurement file name or put the sampling port cap back into the integrating sphere and press Exit to shut off the unit Remove the CompactFlash card and store as appropriate Store the reference coupon as
76. roximately two turns until the parts are securely mated 6 5 Taking Care of the Display Screen The SOC 410 PDA uses a standard display screen as you can find on any popular PDA type computer Be careful not to scratch or physically damage the screen If you wish you may use a protective sleeve available from office supply stores but it is not required 6 6 Taking Care of the Calibration Coupon The calibration coupon is shipped with the SOC 410 DHR It is a gold plated disk with a specular finish or vacuum deposited gold over a glass disk The surface of the calibration coupon should be protected from scratches and contamination Never touch the surface of the calibration coupon Always cover the sample and put it away immediately after the calibration is accomplished Replace the calibration coupon if it becomes damaged or contaminated 6 7 SOC 410 Maintenance The SOC 410 does not require any short term maintenance However there are parts in it with limited lifetimes the IR source and the chopper motor Both parts are specified for 2000 hours of performance At this point SOC does not have enough experience to recommend service time for those parts As this knowledge becomes available SOC will provide this information to the users The critical part of the SOC 410 is the integrating sphere By the nature of the performed measurement the entrance to the integrating sphere has to remain open With that there is a potential for dust dirt
77. ry Diagnostics POM genee ARA sehen REGEER EERS Se Ese Ha Se RR 6 4 2 Measurement Head 6 4 2 1 Integrating EE 7 4 2 2 Sampling Port Cap 8 4 2 3 Command Module Interface 8 5 el he E 8 5 1 Engineering Mode of OPS AON EE 9 5 1 1 Engineering Mendi Re ES Brace did RE Ee EG OG AE DE GE 9 5 1 1 1 Device Status ee ee ee ee ee ee ee ee 9 5 1 1 2 CalibratiON ee ee ee ee ee ee ee ee ee ee ee ee ee ee 10 5 1 1 3 Eng Measurement s siste sis Rina Bee ae kk gus EED ede GEK 11 5 1 1 4 SELDE ER EER EE EE DE EP ee GE Ee ORE OES Me DER ae Ee ER ao ee Ri 13 5 1 1 4 1 Template Setup iese ee ee ee ee ee 13 5 1 1 4 2 Calibration Setup ee ee ee 15 5 1 1 4 3 Device Setup ee ee ee ee 15 5 1 1 5 BE ea SE OE ER N DE N oi 15 5 1 1 6 Measurement Files iese ee ee ee ee ee ee ee ee ee ee 16 5 1 1 7 Bio N EE N OE EE 16 5 1 1 7 1 Color Gcheme ee ee ee ee ee 16 5 1 1 7 2 Password Change ius beer sees NEER ERGE EEN EE 17 5 1 1 7 3 About EE GE ER SEVEN GEE EES N Ge nee GE EG EA ve 17 5 1 1 7 4 Calibrate Gcreen ee ee ee 17 5 2 Measurement Mode Step by Step Instructions ee ee ee ee ee 18 5 2 1 Turn on the SOC 410 DHR ee ek RR RR RR RA RR Ee RE ee ee ee ee 18 5 2 2 Measurement Setup ee ee ee 18 5 2 3 CalIDration RE EE EE 19 5 2 4 Reference Coupon Measurement ee ee ee ee 20 5 2 5 Reference Coupon Identification ee 20 5 2 6 Measurement ee ee ee ee ee ee 21 5 2 7 Measurement Finished ee ee e
78. soft button returns the user to the Setup screen without changing calibration reflectance values OK The OK soft button saves the calibration reflectance values and returns the user to the Setup screen 39 BEES SOC 410 DHR Surface Optics E User s Guide Corporation Know Calibration Coupon Reflectance Values The twelve soft text box buttons open a numeric keypad to edit the calibration coupon reflectance value for that angle band combination If the text box is left blank then the value defaults to the previously saved value if the OK soft tab is pressed 8 2 2 4 3 Device Setup Screen There are ten soft buttons on the Device Setup screen visible at time The Cancel soft button returns the user to the Setup screen without changing Device Setup values The OK soft button saves the Device Setup values and returns the user to the Setup screen The Apply soft button saves the Device Setup values without leaving the Device Setup screen The Device Setup parameters are shown four at a time The scroll bar on the right side of the screen has Up and Down Arrow soft buttons to view other Device Setup parameters not visible The button in between the arrows indicates the location of the Device Setup parameters in the List It will also function as an Up Arrow soft button Each Device Setup Parameter text box is a soft button that opens a numeric keypad except for the Power Management parameter The Power Management text box is an off o
79. soft buttons Proceed with File Name This allows the user to continue taking measurements when the Leave File Open soft button was selected at the Inspection Finished amp Exit screen Close file File Name Press this soft button to lock the file and open the Measurement Setup screen 8 2 Engineering Mode 8 2 1 Password Screen The Enter Password screen only appears if a password has been selected The Enter Password Screen shows the soft buttons for the multi tap keypad Cancel and OK The password is limited to 16 characters Input Keypad The soft button keypad for the password text box operates the same as the keypad for the Measurement File Name Cancel The Cancel soft button returns the user to the Measurement Setup screen 33 BEES SOC 410 DHR Surface Optics E User s Guide Corporation OR The OK soft button enters the password If the password is correct the Engineering screen opens If the password is incorrect Incorrect password Please try again OK appears 8 2 2 Engineering Screen The Engineering screen has six soft buttons Device Status Calibration Eng Measurement Setup M Files Back Arrow Options 8 2 2 1 Device Status Screen The screen displays current values of all the monitored parameters The values update every five seconds The Device status screen has only one soft button user interface Back Arrow The Back Arrow returns the user to the Engineering screen The followi
80. te screen and perform calibration Press and hold stylus on center of target epeat as target moves around soe Repeat as target moves around screen Figure 5 20 SOC 410 DHR software Options Calibrate Screen 17 SOC 410 DHR Surface Optics User s Guide Corporation 5 2 Measurement Mode Step by Step Instructions A single measurement can be accomplished by pressing the sampling port of the integrating sphere against the inspection point and pressing the trigger holding the unit away from the inspection point and pressing the trigger again The unit is calibrated at the beginning of each session with a specular gold coupon with verified reflectance values 5 2 1 Turn on the SOC 410 DHR Open the shipping storage case and allow the SOC 410 DHR and the two coupons calibration and reference to equilibrate to the ambient temperature and humidity of the measurement environment System Test E SYSTEM TEST Please Wait 20 completed Figure 5 21 SOC 410 DHR software System Test Secure the wrist strap around one wrist grasp the handle of the Command Module and remove it from the case Press and release the trigger once and wait The PDA screen will flash white and then stay dark for several seconds Fifteen seconds after pressing the trigger the System Test screen will appear When the System Test is complete the Measurement Setup screen will appear 5 2 2 Measurement Setup Press the text box under File Name
81. us screen If at a setting of 25 the chopper frequency is below 90 Hz increase the value Do not exceed 100 Hz PbSe TEC The Thermal electrical controller sets the temperature of the PbSe IR detector The power of the TEC is set between 0 and 100 We recommend setting it at 40 It will result in the detector s temperature of about 10 C at moderate environment temperatures BEDE SOC 410 DHR Surface Optics S User s Guide Corporation DTGS TEC The Thermal electrical controller sets the temperature of the DTGS IR detector The power of the TEC is set between 0 and 100 We recommend setting it at 60 It will result in the detector s temperature of about 35 C at moderate environment temperatures HV BIAS This is a detector related setting It is recommended to set it at 100 which is equivalent to 100 Volts Trigger Response Trig Res When this value is set to a number larger than 0 LED Vib comes on after the trigger is pressed Do not set too high values long lasting vibrations can affect the data We recommended setting it at 3 When the value is set to 0 there is no trigger response Trigger Delay Delay time in seconds from the time the trigger is pressed to the measurement start Usually the hand jerks when the trigger is pressed to avoid its negative consequences about 7 to 1 0 seconds is selected Step delay Delay time in seconds from the time the illumination angle is selected by the moving mirror to the time data co
82. values are measured Index Zero means no sample at the measurement port Indexes m and n as defined above 10 3 2 Values Measured during Sample Measurement With the sample on at the measurement port values Um are measured m n With no sample at the port values Um are measured m n Summary of indexes Superscripts Cal calibration measurement Sam sample measurement Zero no sample at the sample port Subscripts m illumination positions R 20 60 n spectral bands 1 to 6 10 4 Data Processing 10 4 1 Calibration Factors The calibration factors are calculated following equation 10 8 as the ratio of detector voltages measured when the sample is illuminated at 20 and 60 degrees to the detector voltages measured when the internal reference spot is illuminated you AR n f 10 21 m n Cal Ke Values AR and AR are displayed on the Calibration screen after the calibration is performed Similar values calculated following equation 10 10 from detector voltages measured during calibration but with no calibration coupon at the measurement port are stored in the data file but not displayed on the screen Those values are used to account for instrument drift in the DHR value calculations CalZero V CalZero _ m n AR pn ml y CalZero A 0 22 Ryn BEDE SOC 410 DHR Surface Optics S User s Guide Corporation 10 4 2 DHR Calculation The DHR values are calculated according to equation
83. wn Contact SOC Technical Support 5 2 4 Reference Coupon Measurement Reference Coupon The coupon provided by the user for a specific inspection Do not touch the surface of the reference coupon Hold the reference coupon tight over the sampling port and press the trigger Continue to hold the coupon over the sampling port while the measurement is taken and the hourglass indicator is shown The LED and vibrator motor will indicate that the measurement step is complete Remove the reference coupon from in front of the sampling port and press the trigger The hourglass indicator will appear until the reference measurement is complete The LED and vibrator motor will indicate that the measurement step is complete The Reference screen will close and the Reference Identification screen will open Reference a Place Reference Coupon Press TRIGGER Figure 5 26 SOC 410 DHR software Reference Coupon Measurement 5 2 5 Reference Coupon Identification Input the reference coupon identification and press OK The Reference Identification screen will close and the measurement screen will open The header of the Measurement screen will display the file name from Measurement Setup 20 SSS SOC 410 DHR Surface Optics 7 User s Guide Corporation Reference Identification E Reference Identification I ac EDE 1 o n g gg A f gt E g Figure 5 27 SOC 410 DHR software Reference Identif
84. xed filtering offset adjustment secondary amplification variable and analog to digital conversion The digitized signals are read by a PDA type computer stored in memory and then processed to determine the target sample reflectance at each incident angle and wavelength band Results are displayed on a liquid crystal graphic display and stored on a CompactFlash card 1 BEES SOC 410 DHR Surface Optics E User s Guide Corporation 2 DELIVERY PACKAGE SOC 410 Command Module with safety strap Model 0410 0030 SOC 410 DHR Measurement Head with cap Model 0410 0032 CompactFlash card reader on a USB cable Commercial CompactFlash card for data storage 128 MB SOC 0410 0396 SOC 410 software on a CompactFlash card SOC410DHR Ver 2 1 0 4 12 Volt battery cartridge 2 batteries total Makita Model 1234 110 Volt 60 Hz AC battery charger Makita Model DC1414 Calibration coupon in storage container SOC 0410 0200 User s Guide SOC 0410 9492 Engineering Quick Reference Card SOC 0410 9493 Shipping Storage Container Pelican Case 1550 Accessory Container Pelican Case 1030 EA e d d ed R Shipping Storage Container User s Guide Accessory Case wl CF Card Reader and USB Cable SOC 410C DHR Sree wl Battery d x Re V Cartridge Installed Extra Battery Cartridge n J Battery Cartridge Charger ie N L d Calibration Coupon Figure 2 1 SOC 410 DHR Delivery Package 2 ES SOC 410 DHR Surface Optics User

SOC 410 DHR Reflectometer User's Guide

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