Topcon SR-LEDW Instruction Manual
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Topcon SR-LEDW Instruction Manual

Topcon SR-LEDW Instruction Manual

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INSTRUCTION MANUAL
SPECTRORADIOMETER
Rev.20

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Summary of Contents for Topcon SR-LEDW

  • Page 1 INSTRUCTION MANUAL SPECTRORADIOMETER Rev.20...
  • Page 3 LCD's, and light emitting objects such as LED's, and the reflected light of a painted surface or printed matter can also be measured very low level luminance with a high accuracy. This manual provides an outline, basic operation and specifications of the SR-LEDW/SR- UL2/SR-UL1R/SR-3AR. Always keep this manual at hand.

  • Page 4: Display For Safe Use

    Display for Safe Use In order to encourage the safe use of products and prevent any danger to the operator and others or damage to existing facilities, important warnings are put on the products and inserted into the instruction manuals. We suggest that everyone understand the meaning of the following displays and icons before reading the “Safety Cautions”...
  • Page 5 Do not disassemble or modify the instrument. Doing so may result in a fire or electric shock. Prohibited Do not use AC adapters other than those included or sold separately by TOPCON. AC adapter failure may result in a fire or electric shock. Mandatory Do not disassemble the AC adapter.
  • Page 6 Although the SR-LEDW/SR-UL2/SR-UL1R/SR-3AR has an internal temperature compensation circuit, rapid temperature changes may lead to unstable measurements. ∙ Avoid dropping and other strong shocks, and do not use or store the SR-LEDW/SR-UL2/SR- UL1R/SR-3AR in locations with constant vibration. The SR-LEDW/SR-UL2/SR-UL1R/SR-3AR has precision optical parts and such use or storage may lead to malfunction.
  • Page 7 Cover and Lens Cleaning Using a diluted neutral detergent and a soft cloth, wipe the case and lens of the SR-LEDW/SR- UL2/SR-UL1R/SR-3AR to remove dirt, then gently wipe them with a dry cloth. Do not use solvents including paint thinner, benzine and acetone.

  • Page 8: Table Of Contents

    Table of Contents Introduction Display for Safe Use Conventions in This Manual 1. Before Use ................................1 1.1 Confirmation of Contents ....................1 1.2 Parts and Functions ......................2 1.3 Preparations ........................8 1.3.1 Connecting the AC Adapter ....................8 1.3.2 Connecting the Personal Computer ..................
  • Page 9 3.3.4 FIX FREQ Mode ........................ 41 3.4 Integral Time Delay Function ..................42 3.4.1 Delay Time Setting ......................43 3.5 Single or Auto Run ......................44 3.6 Measuring Speed......................45 3.6.1 High Speed Calibration ...................... 46 3.7 PC Connection Method ....................47 3.8 RS-232C Parameters ....................
  • Page 10 5. Error Display ..............................101 5.1 Error Display on the Instrument .................. 101 5.2 Error Code in Communication ..................102 6. Appendix ................................. 103 Specifications and Performance ..................103 Block Diagram ........................123 SR-LEDW/SR-UL2/SR-UL1R/SR-3AR Mathematical Formulas .......... 124 External Dimension Diagram....................126...

  • Page 11: Conventions In This Manual

    Conventions in This Manual This manual employs the following conventions for ease of use. Symbol Description [FUNCTION], Use of square brackets indicates the wording for the panel switches or the [UP] title of a window displayed on the screen. ☞ Indicates a reference to another section in this manual.

  • Page 12: Before Use

    1. Before Use 1.1 Confirmation of Contents Confirm that the main body and accessories are included as listed below; If anything is missing, please contact your retailer or TOPCON TECHNOHOUSE. • Main body (SR-LEDW/SR-UL2/SR-UL1R/SR-3AR) SR-LEDWSR-UL2/SR-UL1R SR-3AR •Objective lens cap •Quick Start manual for SR-LEDW/SR-UL2/SR-UL1R/SR-3AR& CS-900A 1 •Colorimetry program CS-900A &...

  • Page 13: Parts And Functions

    1.2 Parts and Functions Following designation and function of SR-UL1R are in common with SR-LEDW,SR-3AR and SR-UL2. ■ Main Body Diopter adjustment ring Eyepiece Handle Focus ring Vent There is no vent Objective lens in SR-3AR. External synchronous signal connector...
  • Page 14 Tripod screw : For attaching the SR-LEDW/SR-UL2/SR-UL1R/SR-3AR to a tripod. A 1/4-UNC screw for mounting a camera is used. Tool attachment screws : These are the screws for mounting the instrument. Use them when installing a system.
  • Page 15 ■ Names and Functions on Panel Switches LCD screen Panel switches DOWN switch (CHANGE switch) UP switch MEAS./HOLD switch (ROTATION switch) (ENTER switch) MEAS. DOWN HOLD ENTER ROTATION CHANGE ABS. LAMP FIELD DIF. FILED switch ABS./DIF. switch SHIFT FUNCTION (FUNCTION switch) (SHIFT switch) LAMP switch Switches...
  • Page 16 Functions of function mode FUNCTION switch : Turns the function mode on and off. Press it for approximately 2 seconds until a beeping sound is made to turn the function mode on. When the function mode is on, press to turn it off (no need to hold for 2 seconds). ENTER switch : Used to change the displayed menu, input values into memory and store the changed data in memory.
  • Page 17 Indication of LC Display Unit • The initial display Indicated when turning on the power or pressing the reset switch. ＊＊ Ｓｔａｒｔ SR-UL1R ＊＊ Note ∙ The SR-3AR display “Start SR-3AR” in the initial display • The display during measurement Indicated during measurement ＊...
  • Page 18 Tristimulus ＃１０ ＡＵＴＯ ＡＢＳ ２．０ values mode Ｘ＝１．０９９Ｅ＋０２ ２．０ Tristimulus values X X, Y, Z Ｙ＝８．９４０Ｅ＋０１ ｃｄ／ｍ＾２ Tristimulus values Y (Luminance Lv) Ｚ＝３．５５９Ｅ＋０２ Tristimulus values Z Correlated color ＃１０ ＡＵＴＯ ＡＢＳ ２．０ temperature mode Ｔｃ ＝ ２８５６Ｋ ２．０ Correlated color temperature Tc Tc, duv, Lv ｄｕｖ＝...

  • Page 19: Preparations

    Ma n da to r Do not plug or unplug the instrument with wet hands. Doing so may result in electric shock. Prohibited Use the following procedure to connect the AC adapter to the SR-LEDW/SR-UL2/SR-UL1R/SR-3AR: 1. Confirm that SR-LEDW/SR-UL2/SR-UL1R/SR-3AR is turned off. LAMP FIELD DIF.

  • Page 20: Connecting The Personal Computer

    1.3.2 Connecting the Personal Computer When connecting SR-LEDW/SR-UL2/SR-UL1R/SR-3AR to a PC, use a RS-232C or USB cable. When using a RS-232C cable, use an interlink cable of serial cross type supporting for a DOS/V The RS-232C signal line of the instrument is arranged according to the 9 pin D-SUB being used in the DOS/V personal computer, etc.

  • Page 21: Object Collimation

    1.3.3 Object Collimation Do not look directly at bright objects such as the sun or bulb filaments. Doing so may result in optical damage. Prohibited Use only specified screws when using the tripod screw and screw holes for jig attachment. Do not tighten the screws any more than necessary. Doing so might Request cause internal breakage.

  • Page 22: Turning On/Off The Power

    1.3.4 Turning ON/OFF the Power Flip the power switch to the right side to turn on the power. LAMP FIELD DIF. SHIFT FUNCTION DC IN POWER ON→ When the power is turned on, the LCD screen will display an initialization screen, a maintenance reminder screen and then the most recent measurement data.

  • Page 23: Open And Shut A Finder Shutter

    Flip the power switch to the left side to turn off the power. LAMP FIELD DIF. SHIFT FUNCTION DC IN POWER ← OFF 1.3.5 Open and shut a Finder Shutter When the brightness of the object is very low or when there is a light emitting object on the finder side, set the finder shutter to "CLOSE"...

  • Page 24: Maintenance Recommended Display

    1.4 Maintenance Recommended Display The SR-LEDW/SR-UL2/SR-UL1R/SR-3AR displays a maintenance reminder to run a calibration test about once a year to maintain measurement accuracy. When the power is turned on, the screen displays the number of months that have elapsed since the purchase or most recent calibration test as shown in Figure A below.

  • Page 25: Measurement Procedures

    ENTER ROTATION CHANGE ABS. FIELD LAMP DIF. FUNCTION SHIFT 2 The integral time will be displayed on the LCD screen. The SR-LEDW/SR-UL2/SR-UL1R/SR-3AR is ready for measurement. ☞ ‘3.3 Measurement Mode’ Integral time ＊ Ｍｅａｓｕｒｉｎｇ ＊ ＩｎｔｅｇＴｉｍｅ＝ １００ ＊ Ｍｅａｓｕｒｉｎｇ ＊...
  • Page 26 １．０ ｙ ＝ ０．４０７４ Ｌｖ＝８．９４０Ｅ＋０１ ｃｄ／ｍ＾２ ＃１０ ＦＩＸ I ＡＢＳ ２．０ When FIX INTEG selected ｘ ＝ ０．４４７６ １．０ （SR-LEDW only） ｙ ＝ ０．４０７４ Ｌｖ＝８．９４０Ｅ＋０１ ｃｄ／ｍ＾２ ＃１０ ＦＩＸ F ＡＢＳ ２．０ When FIX FREQ selected ｘ ＝ ０．４４７６ １．０ ｙ ＝...

  • Page 27: Auto Run

    2.2 Auto Run Use the following procedure for automatic continuous measurements. ∙ The measurement data will be stored at the number currently displayed. If the registered data already exists at the number, its contents will be overwritten. Remember! Switch the measurement mode to auto run. ☞...

  • Page 28: Difference Measurement

    Use the following procedure: Change to the difference measurement.  Input or selection of the standard sample data: In the SR-LEDW/SR-UL2/SR-UL1R/SR-3AR, the standard sample can be stored up to 20 points.  Measurement Change the measurement of the absolute value to the MEAS.
  • Page 29 ∙ Standard sample data is stored at the number after the one currently displayed. If the registered data already exists at the number, its contents will be Remember overwritten. If the standard sample data has already been registered, select a desirable number for a new standard sample data with the [UP] or [DOWN] switch.

  • Page 30: Displaying Measurement Data

    2.4 Displaying Measurement Data Numbers are attached to measurement data. Up to 50 data can be stored in internal memory. Use the [UP] and [DOWN] switches among the panel switches to view stored data. The [UP] switch shows the next number data, and the [DOWN] switch shows the previous number data.

  • Page 31: Measuring

    6‘Appendix: Specifications and Performance’ The attachment lens can be screwed onto the end of the SR-LEDW/SR-UL2/SR-UL1R/SR-3AR objective lens. When using an attachment lens, a correction factor must be set on SR-LEDW/SR-UL2/SR-UL1R/SR- 3AR. ☞ Setting a Correction Factor ‘3.11 Using a Correction Factor’, '3.12 Displaying and Editing the Correction Factor' The measuring field will affect the measurement diameter.

  • Page 32: System Integration

    2.5.3 System Integration The SR-LEDW/SR-UL2/SR-UL1R/SR-3AR can be integrated with a system. For example, it is loaded on a mobile XY stage and is moved as measuring. Refer to the following references for system integration: ☞ Communication specifications ‘4 Communication with Personal Computer’...

  • Page 33: Reducing Instrument Error Between A Plurality Of Instruments

    Please use the spectral correction function to reduce an error between the instruments. This function can do spectrum correction between SR-LEDW/SR-UL2/SR-UL1R/SR-3AR and a reference instrument such as SR-3, SR-3A (L1), SR-UL1, SR-3AR,SR-UL1R SR-LEDW and SR-UL2 only by a RS232C cable, reduce an error and measure.
  • Page 34 Interlink SR-UL1R SR-UL2 SR-LEDW Turn on the power to SR-UL1R to be corrected. Turn on the power to the reference instrument. Collimate the object. Turn the focus adjustment ring of the objective lens to focus the lens on the object.
  • Page 35 Press the [CHANGE] switch, and then the display appears as follows. ＊Ｄｉｒｅｃｔ－Ｃｏｎｎ Ｆａｃｔｏｒ＊ Ｍｅａｓｕｒｅ Ｒｅｆｅｒｅｎｃｅ ＥＮＴＥＲ ： Ｓｔａｒｔ ＦＩＥＬＤ ： Ｃａｎｃｅｌ [ENTER] : Identifies the connected refernece instrument automatically, and perform measurement, and write the measured spectral radiance data in the SR- UL1R to be corrected.
  • Page 36 Note The maximum time interval : SR-3、SR-3A(L1), SR-3AR ：40 sec SR-UL1, SR-UL1R,SR-UL2.SR-LEDW : 250 sec Note From the next step, it is not necessary to use RS-232C cable For SR-UL1R to be corrected, Collimate the object. Turn the focus adjustment ring of the objective lens to focus the lens on the object.
  • Page 37 Press the [SHIFT] switch, and then the spectral correction factor becomes valid. Ｆａｃｔｏｒ(1ｎｍ) Ｓｅｔ ＯＮ ＳＨＩＦＴ ： ＯＫ ＣＨＡＮＧＥ： ＮO [SHIFT] : The spectral correction factor (1 nm) in SR-UL1R to be corrected is valid. [CHANGE] : The spectral correction factor (1 nm) in SR-UL1R to be corrected is invalid. SHIFT Note ROTATION...

  • Page 38: Settings

    3. Settings 3.1 Function Mode 3.1.1 Settings The operation panel can be used to make the following settings. ☞ ∙ ‘3.2 Table Colors’ Table color selection ☞ ∙ Measurement mode selection ‘3.3 Measurement Mode’ ☞ ∙ Frequency setting (during FREQ mode) ‘3.3.1 FREQ Mode' ☞...

  • Page 39: Entering/Returning From The Function Mode

    3.1.2 Entering/Returning from the Function Mode ■ Function Menu Settings are made in the function mode. Use the following procedure to switch to the function mode and display setting items. Make sure that the instrument is in the stand-by MEAS. status and then keep pressing the [FUNCTION] DOWN HOLD...
  • Page 40 ⑤ Integ Delay Time : Set the integral delay time. This menu is indicated when set the Integ Delay ON/OFF to ON (refer to ④ Integ Delay ON/OFF). ☞ ‘3.4.1 Delay Time Setting’ ⑥ Single or Auto Run : Set the measurement method. ☞...
  • Page 41 (3) COMM.: For the communication between instrument and PC ① Communication-Type : Set the communication type (USB/RS232C) ☞ ‘3.7 PC Connection Method’ ② RS-232C Parameter : Set the parameters of RS-232C. This menu is indicated when set communication type to RS-232C. (refer to ①...
  • Page 42 ■ Cancelling Function Mode Press the [FUNCTION] switch after the setting of function mode is over, and then return to the initial display of the function menu. To finish the function mode, press the [FUNCTION] switch once again. And then the measurement result appears on the LCD screen. Describe the example about the setting of measurement mode as follows.

  • Page 43: Setting Values

    3.1.3 Setting Values In the function mode, it is necessary to input a numerical value for the item. The procedure for inputting a numerical value is the same for all the items. Setting of integral time will be explained here as an example. Set to the function mode.
  • Page 44 Press the [CHANGE] switch. The cursor will be lit in the input stand-by status. ＊ Ｉｎｔｅｇ Ｔｉｍｅ Ｉｎｐｕｔ ＊ MEAS. DOWN HOLD ENTER ROTATION CHANGE Ｉｎｔｅｇ[ｍｓ]＝ ABS. FIELD LAMP DIF. FUNCTION SHIFT To input the value which user wants to set, use the [ROTATION] switch. MEAS.
  • Page 45 3.2 Table Colors The Colorimetric systems used for measurement data can be set. Five colorimetric systems are available with the SR-LEDW/SR-UL2/SR-UL1R/SR-3AR. Display them as follows: • Chromaticity coordinates xy / Luminance Lv ＃１０ ＡＵＴＯ ＡＢＳ ２．０ ｘ ＝ ０．４４７６ ２．０...

  • Page 46: Measurement Mode

    3.3 Measurement Mode Set the measurement mode. The SR-LEDW/SR-UL2/SR-UL1R/SR-3AR has four measurement modes depending on the target light source. The integral time calculation method differs depending on the mode. Note ∙ The integral time is the period in which the sensor is exposed to light. Light energy accumulates on the sensor during the integral time.
  • Page 47 ○FIX FREQ Use this mode to fix the filter setting during FREQ mode in order tomeasure flashing light and flicker light such as fluorescent light. Set the vertical synchronous signal frequency for CRT and the commercial frequency (50 or 60Hz) for the light of fluorescent lamp. The optimum integration time is calculated according to the combination of entered frequency value and brightness of the light.

  • Page 48: Freq Mode

    3.3.1 FREQ Mode In the “FREQ” measurement mode, the frequency of the light source to be measured can be set. Use the following procedure to set the frequency: Switch to the function mode to display [MEASURE]- MEAS. [frequency input]. DOWN HOLD ☞...

  • Page 49: Manu Mode

    Input a desirable value according to "How to input a numerical value in the function mode". The value which can be inputted is 10 to 120 000 milliseconds:SR-LEDW, 20 to 120 000 milliseconds:SR-UL2 and SR-UL1R, 20 to 15 000 milliseconds: SR-3AR ☞...

  • Page 50: Fix Integ Mode

    Optimum inner-filter and integral time is automatically set according to initial measurement in Fix integ mode after turn on power. (SR-LEDW only) 1 Switch to the FUNCTION mode to display...
  • Page 51 2 Input a desirable value according to “How to input a numerical value in the function mode”. The value which can be inputted is 50 -120000 ms ☞ ’3.1.3 Setting values’ Setting method ＊ＦＩＸ ＩＮＴＥＧ Ｓｅｔｔｉｎｇ＊ Ｉｎｔｅｇ［ｍｓ］＝ １００ Ｓｈｕｔｔｅｒ ＝ ＊＊＊＊＊＊＊ 3 Press the [ENTER] switch to accept the integral time value on the display.

  • Page 52: Fix Freq Mode

    Press the [ROTATE] switch to select inner-filter type. Each time the [ROTATION] switch is pressed, the inner-filter type is changed as follows. Press the [ENTER] switch to accept the display value. ＦＩＬＴＥＲ１ ↓ ＦＩＬＴＥＲ２ ↓ ＦＩＬＴＥＲ３ ↓ ＦＩＬＴＥＲ４ (SR-LEDW) ↓ ＦＩＬＴＥＲ５ (SR-LEDW) - 41 -...

  • Page 53: Integral Time Delay Function

    3.4 Integral Time Delay Function Set whether to use the integral time delay function or not. Explain how to set the integral time delay function to usable state as follows. The followings cases will result in measurement errors. 1. When measuring a light source with high duty ratio as well as high intensity 2.

  • Page 54: Delay Time Setting

    3.4.1 Delay Time Setting Turn on the integral time delay function and set a delay time. Note We recommend to set the integral time to at least 100 cycles. Example: Measurement of a light source with a 10 % cycle error When measuring with a 10-cycle integral time, the error is 0.1 t/10 t = 1 % (where t is the cycle time) When measuring with a 100-cycle integral time, the error is...

  • Page 55: Single Or Auto Run

    Measurement Method Single After the [MEAS./HOLD] switch is pressed, one measurement is made and Measurement the SR-LEDW/SR-UL2/SR-UL1R/SR-3AR stops. Auto Run Once the [MEAS./HOLD] switch is pressed, measurements are made continuously until the switch is pressed again. The procedure for setting the measurement method is as follows: 1 Switch to the function mode to display [MEASURE] MEAS.

  • Page 56: Measuring Speed

    The two measuring speed mode available are NORMAL SPEED and HIGH SPEED, HIGH SPEED2, HIGH SPEED3. Measuring speed NORMAL SPEED The measurement is conducted at normal time and with high accuracy. Measuring time SR-LEDW/SR-UL2,SR-UL1R:1-248sec., SR-3AR:1-31sec. HIGH SPEED The measuring device conducts measurement at high speed by using dedicated sequence Measuring time 1-17sec.

  • Page 57: High Speed Calibration

    3.6.1 High Speed Calibration Performe High Speed Calibration when select “HIGH SPEED” or “HIGH SPEED 2”, “HIGH SPEED 3”. Use the following procedure to set the measuring speed;. Switch to the function mode to display the MEAS. [MEASURE] -[High Speed Cal] DOWN HOLD ENTER...

  • Page 58: Pc Connection Method

    3.7 PC Connection Method Make the settings for a connection between the SR-LEDW/SR-UL2/SR-UL1R/SR-3AR and a PC. This is required to connect the SR-LEDW/SR-UL2/SR-UL1R/SR-3AR to a PC. Use the following procedure to set the connection method: Switch to the function to display the [COMM]-[Communication-Type].

  • Page 59: Rs-232C Parameters

    3.8 RS-232C Parameters Set the RS-232C interface parameters. This is required to connect the SR-LEDW/SR-UL2/SR- UL1R/SR-3AR to a PC with an RS-232C cable. Set the parameters of the RS-232C with the function mode. In this example, "Baud rate 9 600/Data length 8/Parity None/Stop bit 2" will be changed to "Baud rate 38 400/Data length 7/Parity ODD/Stop bit 1".
  • Page 60 4 Press the [ENTER] switch, and the "Baud rate" will be decided. The cursor moves to "Length". ＊ＲＳ－２３２Ｃ Ｐａｒａｍｅｔｅｒｓ＊ Ｂａｕｄ ｒａｔｅ＝３８４００ MEAS. Ｌｅｎｇｔｈ＝８ Ｐａｒｉｔｙ＝ＮＯＮＥ DOWN HOLD ENTER ROTATION CHANGE Ｓｔｏｐ ｂｉｔ＝ ２ ABS. FIELD LAMP DIF. FUNCTION SHIFT 5 Press the [ROTATION] switch to change "Length" to "7" and press the [ENTER] switch. The cursor moves to "Parity"...

  • Page 61: Data Communication Methods

    One method is the data error checking method with handshaking (CS900 Type) for communication with the CS-900A, the accessory software of the SR-LEDW/SR-UL2/SR-UL1R/SR-3AR. The other is a simple data transmission (Normal Type) used in our conventional products. The details will be explained in "ST command"...

  • Page 62: Remote Command Terminal Codes

    3.10 Remote Command Terminal Codes Set the command terminal code for use when communicating with a PC. Use the following procedure to set the code: Switch to the function mode to display the [COMM]-[Delimiter]. ☞ '3.1.2 Entering/Returning from the Function Mode' ＊...

  • Page 63: Using A Correction Factor

    3.11 Using a Correction Factor Select whether to use a correction factor. A correction factor is used to correct the measurement values. (A measurement value is multiplied by the correction factor.) There are two types of correction factors as described below. Factor (1 nm): Corrects one spectral data per 1 nm.

  • Page 64: Displaying And Editing The Correction Factor

    3.12 Displaying and Editing the Correction Factor In the function mode, you can set whether the correction factors are used or not and set the correction factors of tristimulus values XYZ. ■ Setting whether the correction factors are used or not 1 Switch to the function mode to display the MEAS.
  • Page 65 ■ Input of correction factors (XYZ) Input the correction factors. The data for X, Y and Z are inputted. 1 Switch to the function mode to display the [FACTOR]- MEAS. [X Y Z factor]. ☞ DOWN HOLD '3.1.2 Entering/Returning from the Function Mode' ENTER ROTATION CHANGE...
  • Page 66 ■ Setting the correction factors using CS-900A Connect the SR-LEDW/SR-UL2/SR-UL1R/SR-3AR to a PC with USB cable or RS-232C cable. ☞ ’ 1.3.2 Connecting the Personal Computer’ ☞ ’ 3.7 PC Connection Method’ ☞ ’ 3.8 RS-232C Parameters’ 2 Transmit the correction factors to the instrument with the accessory colorimetric program CS- 900A and store them.

  • Page 67: Cie Color Matching Function (Visual Field)

    3.13 CIE Color Matching Function (Visual field) Select the color matching function which is used to calculate the colorimetric value, the XYZ colorimetric system x (λ) y (λ) z (λ) based on the 2° visual field or the XYZ colorimetric system x10 (λ) y10 (λ) z10 (λ) based on the 10°...

  • Page 68: Cie Color Matching Function (Type)

    3.14 CIE Color Matching Function (Type) Select the color matching function which is used to calculate the colorimetric value, the CIE1931 or CIE170-2:2015. Use the following procedure to set the color matching function(type): Switch to the function mode to display the MEAS.

  • Page 69: Measurement Averaging

    3.15 Measurement Averaging Set whether to average measurements. Normal Meas : Do not use averaged measurements. Average Meas : Use averaged measurements. Measurement averaging allows the average value over multiple measurements to be set as the measurement value to increase precision for measurements of light sources with low luminance. Note that the higher the number of measurements is used, the longer time the measurement process will take.

  • Page 70: Averaging Count

    3.15.1 Averaging Count 1 Switch to the function mode to display the [MEASURE]- MEAS. [Average Time]. ☞ DOWN HOLD '3.1.2 Entering/Returning from the Function Mode' ENTER ROTATION CHANGE ABS. FIELD LAMP DIF. FUNCTION SHIFT ＊ Ａｖｅｒａｇｅ Ｔｉｍｅ ＊ Ａｖｅｒａｇｅ ＝ ５ Note his setting screen is not displayed, if measurement averaging is set to “Normal Meas”.

  • Page 71: Selection Of "Over Range" Detection In Manu

    3.16 Selection of "Over Range" Detection in MANU In SR-LEDW/SR-UL2/SR-UL1R/SR-3AR, if the "over range" error occurs, measurement is stopped. If “OFF” is set, measurement is performed without detecting the “over range” error. Setting Switch to the function mode to display the [MEASURE]- MEAS.

  • Page 72: Buzzer

    3.17 Buzzer Set whether the buzzer should sound. Use the following procedure to set the buzzer: 1 Switch to the function mode to display the [* Beep ON/OFF *] screen. ☞ '3.1.2 Entering/Returning from the Function Mode' ＊ Bｅｅｐ ＯＮ／ＯＦＦ ＊...

  • Page 73: Luminance Display Format

    3.18 Luminance Display Format Set whether to show the measurement luminance number in a decimal or exponential format. Use the following procedure to set the format. Switch to the function mode to display the [DISPLAY]-[Luminance Format]. ☞ '3.1.2 Entering/Returning from the Function Mode' ＊...

  • Page 74: Maintenance Reminder Screen

    3.19 Maintenance Reminder Screen Set the behavior of the maintenance reminder screen. This screen displays the number of months elapsed since purchase or the last calibration test. There are two settings: ON: Proceed to the next screen after the buzzer sounding in 5 seconds. OFF: The screen does not appear but proceeds to the next screen.

  • Page 75: Panel Light Control

    3.20 Panel Light Control It is possible to control the ON/OFF status of LCD screen and switch LED automatically. When measuring with this function, low light emitted from LCD Screen or switch LED does not affect measurement. Finally, it is available to measure with high precision. Use the following procedure to set.

  • Page 76: Batch Deletion Of Measurement And Dif Standard Data

    3.21 Batch Deletion of Measurement and DIF Standard Data Delete all measurement data and DIF. standard data in one batch. Use the following procedure for batch deletion: 1 Switch to the function mode to display the [MAINTAIN]-[Memory AllClear]. ☞ '3.1.2 Entering/Returning from the Function Mode' ＊...

  • Page 77: Communication With Personal Computer

    4. Communication with Personal Computer 4.1 Communication Commands The SR-LEDW/SR-UL2/SR-UL1R/SR-3AR can communicate with a personal computer. User commands for creating a program for communication with a personal computer are described in this section. A list of the communication commands is shown below.
  • Page 78 (SR-LEDW only） Sets to FIX INTEG mode（SR-LEDW only） Reads current FIX INTEG mode setting（SR-LEDW only） Sets inner-filter type and integral time in FIX INTEG mode. (SR-LEDW only） FS_###_# The left side of # means integral time[ms](50 -120,000), right side means inner-...
  • Page 79 "_" shows space. "####" means a numerical value. When the computer transmits the communication command, the SR-LEDW/SR-UL2/SR- UL1R/SR-3AR returns "OK" as the reception check command. When the SR-LEDW/SR-UL2/SR- UL1R/SR-3AR receives an improper command, it returns "NO". - 68 -...

  • Page 80: Rm And Lm Command

    4.1.1 RM and LM Command By these commands, the SR-LEDW/SR-UL2/SR-UL1R/SR-3AR is set to remote status (remote mode) or stand alone status (local mode). RM: Sets the remote mode. Sets the local mode. When the power is turned on, the local mode is set.

  • Page 81: St Command

    After activating the circuit of RS-232C, the computer transmits the character line "ST" (ASCII code 53H 54H) and subsequently Cr (0Dh) and Lf (0Ah). ② Check of reception in the SR-LEDW/SR-UL2/SR-UL1R/SR-3AR When the SR-LEDW/SR-UL2/SR-UL1R/SR-3AR receives "ST"+(Cr•Lf), it returns "OK"+(Cr•Lf) as a check command and the measurement starts. Note ·...
  • Page 82 (2) CS900 Type When this method is selected, each time 1 data is sent from the SR-LEDW/SR-UL2/SR- UL1R/SR-3AR, CS-900A sends the following data. If data is correct, "0x06+(Cr•Lf)" is sent. If data is wrong, "0x15+(Cr•Lf)" is sent. When CS-900A sends "0x15+(Cr•Lf)", the data is sent again. Resending of data is done once for If the wrong data is sent twice continuously, "END+(Cr•Lf)"...

  • Page 83: Sf Command

    After activating the circuit of RS-232C, the computer transmits the character line "SF" (ASCII code 53H 46H) and subsequently Cr (0Dh) and Lf (0Ah). ② Check of reception in the SR-LEDW/SR-UL2/SR-UL1R/SR-3AR When the SR-LEDW/SR-UL2/SR-UL1R/SR-3AR receives "SF"+(Cr•Lf), it returns "OK"+(Cr•Lf) as a check command and the measurement starts. Note ·...
  • Page 84 (1) Normal Type When this method is selected, the data of "0x60" and "0x15" are not checked as compared with "(2) CS900 Type". The SR-LEDW/SR-UL2/SR-UL1R/SR-3AR keeps sending data until "END". Command communication direction Measuring instrument “SF”+(Cr•Lf) “OK”+(Cr•Lf) Integral time+(Cr•Lf) Measurement starts.
  • Page 85 (2) CS900 Type When this method is selected, each time 1 data is sent from the SR-LEDW/SR-UL2/SR- UL1R/SR-3AR, CS-900A sends the following data. If data is correct, "0x06+(Cr•Lf)" is sent. If data is wrong, "0x15+(Cr•Lf)" is sent. When CS-900A sends "0x15+(Cr•Lf)", the data is sent again. Resending of data is done once for 1 data.

  • Page 86: Stb Command

    4.1.4 STB Command "STB" command The measurement starts when this command is transmitted to the instrument. When measurement is ended, the measured data is returned with binary data (big endia) from the instrument. The difference from ST commend is as follows; ☞...

  • Page 87: A0, A1, A2 And A3 Command

    A1_##### : FREQ "_" is space. "#####" is frequency. 1.5~250 Hz A2_##### : MANU "_" is space. "#####" is integral time. 10-120000ms :SR-LEDW 20-120000ms :SR-UL2,SR-UL1R 20-15000ms :SR-3A A3 : SYNC Command communication direction Measuring instrument "A0", "A1" "A2" or "A3" + (Cr•Lf) “OK”+(Cr•Lf)

  • Page 88: Kw[N] Command

    4.1.7 KW[n] Command One of 0~400 is inputted to “n” and it The correction factors are stored in the instrument. corresponds to every 1nm interval in the range of 380 nm~780 nm. The correction factor can be inputted for a single wavelength and “KW [n]_#.###” is transmitted. When the instrument receives the correction factors, it returns “OK”...

  • Page 89: Kr[N] Command

    4.1.8 KR[n] Command The correction factors stored by the instrument are read out. One of 0~400 is inputted to “n” and it corresponds to every 1nm interval in the range of 380 nm~780 nm. KR0 : 380 nm KR1 : 381 nm KR2 : 382 nm...

  • Page 90: Kxr, Kyr And Kzr Command

    4.1.10 KXR, KYR and KZR Command Reads comments for the tristimulus values and correction factors for the tristimulus values X, Y and Z from SR-LEDW/SR-UL2/SR-UL1R/SR-3AR KXR_##### : "_" is space. "#####" is correction factor. KYR_##### : "_" is space. "#####" is correction factor.

  • Page 91: Dr[N] Command

    4.1.11 DR[n] Command The local measurement is completed and the measurement data stored by the instrument is read out by the computer. ☞ “n” is specified with 1 ~ 50. ‘1.3.2 Connecting the Personal Computer’ ☞ ‘4.2.2 Output Format for Reading out the Internal Stored Data’ Command communication direction Measuring instrument “DRn”...

  • Page 92: Kor Command

    Setting+(Cr･Lf) OK+(Cr･Lf) 4.1.14 CIE Command Sets the CIE Color Matching Function (visual field) setting in the SR-LEDW/SR-UL2/SR-UL1R/ SR-3AR. CIE_#: The pound sign (#) is the CIE Color Matching function setting, either 2 or 10. For the pound sign (#), use 0 for a 2° visual field and 1 for a 10° visual field.

  • Page 93: Cier Command

    4.1.15 CIER Command Reads the CIE Color Matching function (visual field) setting from the SR-LEDW/SR-UL2/ SR-UL1R/SR-3AR. Command communication direction Measuring instrument CIER+(Cr･Lf) OK+(Cr･Lf) Setting+(Cr･Lf) END+(Cr･Lf) 4.1.16 LDF Command Changes the luminance display format setting in the SR-LEDW/SR-UL2/SR-UL1R/SR-3AR. LDF#: The pound sign (#) is the format.

  • Page 94: Ldd Command

    Note that the total number of digits including the decimal point cannot exceed 10. Command communication direction Measuring instrument LDD+(Cr･Lf) OK+(Cr･Lf) 4.1.19 LDDR Command Reads the setting for the number of digits of the luminance display format from the SR-LEDW/SR- UL2/SR-UL1R/SR-3AR. Command communication direction Measuring instrument LDDR+(Cr･Lf) OK+(Cr･Lf) No.

  • Page 95: Fld1, Fld2, Fld3 And Fld4 Command

    FLDR+(Cr･Lf) OK+(Cr･Lf) setting+(Cr･Lf) END+(Cr･Lf) 4.1.22 NL Command Sets the integral time for the integral time delay function in the SR-LEDW/SR-UL2/SR-UL1R/SR- 3AR. NL_####：The sign (#) is the integral time from 50 to 3 000 ms. Measuring instrument Command communication direction NL+(Cr･Lf) OK+(Cr･Lf)

  • Page 96: Nd And Nf Command

    4.1.23 ND and NF Command Turn the integral time delay function in the SR-LEDW/SR-UL2/SR-UL1R/SR-3AR on and off. ND： Activates the integral time delay function. NF： Deactivates the integral time delay function. Command communication direction Measuring instrument ND/NF+(Cr･Lf) OK+(Cr･Lf) 4.1.24 HS/HS2/HS3/NS Command With these commands, the measuring speed of the instrument is changed.

  • Page 97: Hsr Command

    Response to the HSR command 0: Normal speed mode 1:High speed mode 2:High speed mode 2 3:High speed mode 3 4.1.27 WHO, SRL and VER Command Reads the luminance meter name, serial number and program version from the SR-LEDW/SR- UL2/SR-UL1R/SR-3AR. Command communication direction Measuring instrument WHO/SRL/VER+(Cr･Lf)

  • Page 98: Fx Command

    Starts the measurement to calculate the optimum inner-filter and integral time setting in FIX INTEG mode. When the measurement complete, the optimum inner-filter type and integral time is retuned and the values are also set on the instrument. （SR-LEDW only） Command communication direction Measuring instrument FX + (Cr・Lf)

  • Page 99: Fg Command

    ４ → FILTER４ ５ → FILTER５ 4.1.31 FS Command Sets inner-filter type and integral time in FIX INTEG mode. (SR-LEDW only） The left side of # means integral time [ms](50 -120,000), right side means inner-filter (1 - 5) FS_###_# ：...

  • Page 100: Fxq Command

    4.1.32 FXQ Command Set the measurement mode to FIX FREQ mode and inner-filter type, frequency in FIX FREQ mode. FXQ_###_# ： frequency The left side of # means [Hz](1.5 -250). right side means inner-filter (1-3 or 5) Command communication direction Measuring instrument ”FXQ_ _ Filter type”...

  • Page 101: Stct Command

    4.1.35 STCT Command "STCT" command The measurement starts when this command is transmitted to the instrument. When measurement is done, the measured data is returned with comma separated text data from the instrument. Note In this manual, Cr•Lf was used as the delimiter but Cr is usable too. ☞...

  • Page 102: Cmf Command

    4.1.36 CMF Command Sets the CIE Color Matching Function (Type) setting in the SR-LEDW/SR-UL2/SR-UL1R/SR-3AR. CMF_#: The pound sign (#) is the CIE Color Matching function setting, either CIE1931 or CIE170-2:2015. For the pound sign (#), use 0 for a CIE1931 and 1 for a CIE170-2:2015.

  • Page 103: Cxl Command

    4.1.38 CXL Command If this command is sent during measurement, the instrument stops the immediate measurement and sends an error code. Measurement data during measurement is not sent. If the measurement is not in progress, a reception confirmation command is sent. ①...
  • Page 104 - 93 -...

  • Page 105: Output Formats

    4.2 Output Formats 4.2.1 Remote Measurement Output Format (1) “ST” Command When the measurement is conducted by order of ST command, the measured data is returned with text data from the instrument as follows; Line No. Output data Remarks Measuring field (degree) Integral time (milli-second) Radiance (W•m •sr...
  • Page 106 (2) “SF” Command When the measurement is conducted by order of ST command, the measured data is returned with text data from the instrument as follows; Line No. Output data Remarks Integral time (milli-second) Measuring field (degree) Integral time (milli-second) Radiance (W•m •sr 9.335E-01...
  • Page 107 (3) “STB” Command When the measurement is conducted by order of STB command, the measured data is returned with binary data (big endia) from the instrument. ☞ ‘4.2.1 Remote Measurement Output Format’ Measurement Output Format Note · Measured data of spectral radiance is returned at all time for STB command even if “D1” command is transmitted.
  • Page 108 Initial bite Function Data type Size Remarks element 2450 Wave length Unsigned 780 (fix) integer 2452 Spectral Radiance Floating point Spectral Radiance 780nm “END”+Cr+Lf Fix 2456 Character code Data size 2460B 3 Data (When error happen） Initianl bite Function Data type Size Remark element...

  • Page 109: Output Format For Reading Out The Internal Stored Data

    4.2.2 Output Format for Reading out the Internal Stored Data Output format of the data which was measured in the local mode and stored in the SR-LEDW/SR- UL2/SR-UL1R/SR-3AR the measured data is returned with text from the instrument. Line No.

  • Page 110: Usb Driver Installation

    4.3 USB Driver Installation The procedure for installing the USB Driver in the PC is as follows. Place the CS-900A CD-ROM in the CD-ROM drive. Select and double-click the “dpinst.exe” file in [¥USB_Driver¥{os name}¥ {x86} or {x64}] folder in the CD-ROM via Explorer. For example, in the case of Windows7(32bit), it becomes {USB_DRIVER¥Windows7¥x86}.
  • Page 111 In the case of Windows7, 8, the Windows Security dialog appears. Click the [Install]. The following dialog will be displayed, start installing the USB Driver. After installation of USB Driver, The following dialog will be displayed. Click the [Finish] button. - 100 -...

  • Page 112: Error Display

    TOPCON TEHCNOHOUSE or your Ｅ９ＸＸ Hit any key. retailer. ＸＸＸＸＸＸＸＸＸＸＸＸＸ ｈｉｔ ａｎｙ ｋｅｙ • If an error is still displayed though you take the above remedial measure, it is necessary to repair the instrument. Contact TOPCON TECHNOHOUSE or your retailer. - 101 -...

  • Page 113: Error Code In Communication

    The status of receiving the external sync. signal is abnormal. It is necessary to E004 check the sync. signal generator or BNC cable. E900 ~ E999 There is an internal error. Contact TOPCON TEHCNOHOUSE or your retailer. - 102 -...

  • Page 114: Appendix

    6. Appendix Specifications and Performance • SR-LEDW Optical system Objective lens: Focal distance f = 82 mm F 2.5 Eyepiece lens: Finder visual field 5 ° Vision adjusting range ±5 diopt Spectroscope Spectrum wavelength width: 5~8 nm Spectral diffraction: Polychrome meter...
  • Page 115 * The indicated accuracy is the value when shipped. Measuring Measuring speed field Normal speed mode High speed mode 2° Accuracy ensuring range 0.0005~ 1 500 000 cd/㎡ 0.005~ 1 500 000 cd/㎡ (against the standard light A) 1° 0.0015~ 4 500 000 cd/㎡ 0.015~ 4 500 000 cd/㎡...
  • Page 116 * The indicated accuracy is the value when shipped. Measuring Measuring speed field High speed 2 mode High speed 3 mode Accuracy ensuring range 2° 0.005~ 1 500 000 cd/㎡ 0.05~ 1 500 000 cd/㎡ (against the standard light A) 1°...
  • Page 117 Luminance of object to be measured is 1cd/m2 or above Operating conditions is 23°C Calibration standard TOPCON TECHNOHOUSE calibration standard (Standard light A / 23° C ± 3°C / 50 % ± 15 %RH) Display Dot matrix LC display (20 characters × 4 lines) with lighting Interface USB 2.0 (Full speed: 12 Mbps)
  • Page 118 Power consumption: Approx. 36 W Operation conditions: Temperature: 5°C~30 °C Humidity: 80 %RH or less Storing conditions: Temperature: -10°C~50 °C Humidity: 80 %RH or less External dimensions: Approx. 150 mm (width) × 239 mm (height) × 406 mm (length) Weight: Approx.
  • Page 119 • SR-UL2 Optical system Objective lens: Focal distance f = 82 mm F 2.5 Eyepiece lens: Finder visual field 5 ° Vision adjusting range ±5 diopt Spectroscope Spectrum wavelength width: 5~8 nm Spectral diffraction: Polychrome meter Dispersive element: Diffraction grating Optical receiving element: Electronic cooling linear array sensor Measuring field:...
  • Page 120 * The indicated accuracy is the value when shipped. Measuring Measuring speed field Normal speed mode High speed mode Accuracy ensuring range 2° 0.0005~ 3 000 cd/㎡ 0.005~ 3 000 cd/㎡ (against the standard light A) 1° 0.0015~ 9 000 cd/㎡ 0.015~ 9 000 cd/㎡...
  • Page 121 * The indicated accuracy is the value when shipped. Measuring Measuring speed field High speed 2 mode High speed 3 mode Accuracy ensuring range 2° 0.005~ 3 000 cd/㎡ 0.05~ 3 000 cd/㎡ (against the standard light A) 1° 0.015~ 9 000 cd/㎡ 0.15~ 9 000 cd/㎡...
  • Page 122 Luminance of object to be measured is 1cd/m2 or above Operating conditions is 23°C Calibration standard TOPCON TECHNOHOUSE calibration standard (Standard light A / 23° C ± 3°C / 50 % ± 15 %RH) Display Dot matrix LC display (20 characters × 4 lines) with lighting Interface USB 2.0 (Full speed: 12 Mbps)
  • Page 123 FCC Compliance Information This device complies with Part 15 of FCC Rules. Operation is subject to the following twoconditions: (1) the device may not cause interference, and (2) the device must accept anyinterference, including interference that may cause undesired operation of this device.
  • Page 124 • SR-UL1R Optical system Objective lens: Focal distance f = 82 mm F 2.5 Eyepiece lens: Finder visual field 5 ° Vision adjusting range ±5 diopt Spectroscope Spectrum wavelength width: 5~8 nm Spectral diffraction: Polychrome meter Dispersive element: Diffraction grating Optical receiving element: Electronic cooling linear array sensor Measuring field:...
  • Page 125 * The indicated accuracy is the value when shipped. Measuring Measuring speed field Normal speed mode High speed mode Accuracy ensuring range 2° 0.001~ 3 000 cd/㎡ 0.01~ 3 000 cd/㎡ (against the standard light A) 1° 0.003~ 9 000 cd/㎡ 0.03~ 9 000 cd/㎡...
  • Page 126 * The indicated accuracy is the value when shipped. Measuring Measuring speed field High speed 2 mode High speed 3 mode Accuracy ensuring range 2° 0.01~ 3 000 cd/㎡ 0.1~ 3 000 cd/㎡ (against the standard light A) 1° 0.03~ 9 000 cd/㎡...
  • Page 127 Luminance of object to be measured is 1cd/m2 or above Operating conditions is 23°C Calibration standard TOPCON TECHNOHOUSE calibration standard (Standard light A / 23° C ± 3°C / 50 % ± 15 %RH) Display Dot matrix LC display (20 characters × 4 lines) with lighting Interface USB 2.0 (Full speed: 12 Mbps)
  • Page 128 FCC Compliance Information This device complies with Part 15 of FCC Rules. Operation is subject to the following twoconditions: (1) the device may not cause interference, and (2) the device must accept anyinterference, including interference that may cause undesired operation of this device.
  • Page 129 • SR-3AR Optical system Objective lens: Focal distance f = 82 mm F 2.5 Eyepiece lens: Finder visual field 5 ° Vision adjusting range ±5 diopt Spectroscope Spectrum wavelength width: 5~8 nm Spectral diffraction: Polychrome meter Dispersive element: Diffraction grating Optical receiving element: Electronic cooling linear array sensor Measuring field:...
  • Page 130 * The indicated accuracy is the value when shipped. Measuring Measuring speed field Normal speed mode High speed mode Accuracy ensuring range 2° 0.1~ 3 000 cd/㎡ (against the standard light A) 1° 0.3~ 9 000 cd/㎡ 0.2° 7.5~ 70 000 cd/㎡ 0.1°...
  • Page 131 * The indicated accuracy is the value when shipped. Measuring Measuring speed field Normal speed mode High speed mode Accuracy ensuring range 2° 3 000 cd/㎡ (against the standard light A) 1° 9 000 cd/㎡ 0.2° 75 ~ 70 000 cd/㎡ 0.1°...
  • Page 132 Luminance 1 % or less Spectral radiance 2 % or less(400~780nm) Calibration standard TOPCON TECHNOHOUSE calibration standard (Standard light A / 23 °C ± 3 °C / 50 % ± 15 %RH) Display Dot matrix LC display (20 characters × 4 lines) with lighting Interface USB 2.0 (Full speed: 12 Mbps)
  • Page 133 FCC Compliance Information This device complies with Part 15 of FCC Rules. Operation is subject to the following twoconditions: (1) the device may not cause interference, and (2) the device must accept anyinterference, including interference that may cause undesired operation of this device.

  • Page 134: Block Diagram

    Block Diagram Finder shutter Eyepiece lens Objective lens Diffraction Light guide grating Aperture mirror Imaging lens DC power unit Liner array converter sensor Analog unit External USB/RS-232C Panel adapter synchronous interface switches connector - 123 -...

  • Page 135: Sr-Ledw/Sr-Ul2/Sr-Ul1R/Sr-3Ar Mathematical Formulas

    SR-LEDW/SR-UL2/SR-UL1R/SR-3AR Mathematical Formulas The following formulas are applied by the SR-LEDW/SR-UL2/SR-UL1R/SR-3AR for each data. Spectral radiance Le () nm ] [ W / srm  nm] Spectral radiance of the object [W/ srm samp (): Spectral radiance of the perfect reflecting diffuser under standard light A nm]...
  • Page 136 Observation visual field 10        samp        samp ¯ x 10 (), ¯ y 10 (), ¯ z 10 (): Color matching functions in CIE 1964 auxiliary standard colorimetric system Parameter 683 lm/W 1:...

  • Page 137: External Dimension Diagram

    External Dimension Diagram · SR-LEDW/SR-UL2/SR-UL1R Use only specified screws when using the tripod screw and screw holes for jig attachment. Do not tighten the screws any more than necessary. Doing so might Request cause internal breakage. - 126 -...
  • Page 138 · SR-3AR Use only specified screws when using the tripod screw and screw holes for jig attachment. Do not tighten the screws any more than necessary. Doing so might Request cause internal breakage.
  • Page 139 Even after the storage period has elapsed, there are cases in which repair may be possible, so contact the dealer or TOPCON TECHNOHOUSE Corporation. (*1) Maintence and repair parts are parts that are necessary to maintain the function of the product.
  • Page 140 Tel +813(3558) 2666 Fax +813(3558) 4661 ◆ Inquiries regarding repairs and maintenance Tel +813(3558) 2710 Fax +813(3558) 3011 Spectro Radiometer SR-LEDW/SR-UL2/SR-UL1R/SR-3AR Instruction Manual Date of Issue of 1st edition Aug., 2007 20th edition Jun., 2019 75-1 Hasunuma-cho, Itabashi-ku, Tokyo 174-8580 Japan ©2015 TOPCON TECHNOHOUSE CORPORATION...

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