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Advanced Test Equipment Rentals
www.atecorp.com 800-404-ATEC (2832)
CHROMA METER
CL-200
INSTRUCTION MANUAL

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Summary of Contents for Minolta CL-200

  • Page 1 ® Advanced Test Equipment Rentals www.atecorp.com 800-404-ATEC (2832) CHROMA METER CL-200 INSTRUCTION MANUAL...
  • Page 2: Safety Symbols

    Safety Symbols The following symbols are used in this manual to prevent accidents which may occur as result of incorrect use of the instrument. Denotes a sentence regarding a safety warning or note. Read the sentence carefully to ensure safe and correct use. Denotes a prohibited operation.
  • Page 3: Safety Precautions

    CAUTION instrument or other property.) Do not use batteries other than those specified by MINOLTA. When installing batter- ies in the instrument, make sure that they are correctly oriented according to the (+) and (-) marks. Also make sure not to mix new and old batteries, or mix batteries of different types.
  • Page 4 Minolta service facility. G In cases of malfunction, do not disassemble the CL-200 or attempt to repair it yourself. Contact the nearest Minolta-authorized service facility. How to Store G This instrument should be stored at temperatures of between -20 and 55°C at 85% or less...
  • Page 5: Table Of Contents

    CONTENTS SAFETY PRECAUTIONS .............................. 1 Names and Functions of Parts ........................... 4 G Basic Operations G ..............................7 Preparation ................................... 8 Installing the Receptor Head ........................... 8 Removing the Receptor Head ..........................8 Selecting measuring units ............................8 Attaching the Strap and the Cap ..........................9 Attaching the Cap (Without the Strap) ........................
  • Page 6: Names And Functions Of Parts

    Names and Functions of Parts CL-200 (L When the slide cover is open) 1 Receptor Window 2 Display Mode selector keys 3 [MODE] key ...... Sets the instrument into color measurement mode, and switches the color coordinates. ∆ ] key ......Sets the instrument into color-difference measurement mode, and switches the color-difference display.
  • Page 7 9 Slide cover 0 [SET] key ......• Sets the instrument into SET mode. • Registers a numeric setting into memory. A [L][M] keys ...... Use the keys to change a numeric value or move the decimal point. B [ /D-OUT] key ....• In modes other than SET mode, use this key to out- put measurement data to a printer or computer.
  • Page 9: G Basic Operations G

    Basic Operations...
  • Page 10: Preparation

    ON may generate an error. Selecting measuring units The Minolta llluminance Meter allows you to take readings in either Lux (lx.) or Foot-candle (fcd) units. 1. Set the power switch to “ ” (OFF), and pull the battery cover while pressing it down slightly.
  • Page 11: Attaching The Strap And The Cap

    Attaching the Strap and the Cap If you are using the strap, attach the cap to the strap as shown below. 1. Pass the strap through loop of the cap string and then through the strap hook, and then pass one end of the strap through the other. Attaching the Cap (Without the Strap) If you are not using the strap, attach the cap to the main body as follows.
  • Page 12: Placing The Chroma Meter Into The Case

    3. Pass the string back through the hole in the cap, and tie a knot at the end of the string so that the cap cannot come off. Placing the CHROMA METER into the Case Set the cap onto the receptor window, and slide the CHROMA METER into the case.
  • Page 13: Installing The Batteries

    Installing the Batteries WARNING Do not allow batteries to come into contact with fire, and do not charge them (unless they are specifically designated as rechargeable), heat them, or take them apart. Any of these actions may cause batteries to overheat or explode, possibly resulting in fire or injury. CAUTION Do not use battery types that are not specified for this instrument.
  • Page 14: Turning On The Power

    Turning On the Power 1. Set the power switch to the ON position (“|”). G If the HOLD button is in the RUN position (popped out) when you turn on the power, the CHROMA METER begins taking measure- ments immediately. G If the HOLD button is in the HOLD position (pressed in) when you turn on the power, the CHROMA METER will not begin taking measurements until the you pop the button out.
  • Page 15: Setting The Calibration Mode

    Setting the Calibration Mode Calibration Modes The CL-200 CHROMA METER offers two calibration modes: NORM and MULTI. Select the appropriate mode using the CAL MODE switch. NORM When you select this mode, the CHROMA METER uses ref- erence light source A as the calibration source.
  • Page 16: Taking Color Measurements

    Taking Color Measurements G When taking measurements, be careful to hold the CHROMA METER so that the receptor window is clear of shadows (such as your own shadow) and reflected light. G Illuminance unit is selectable lx or fcd. (page 8) Measuring Method 1.
  • Page 17: Low-Light Alert

    Low-Light Alert If the measured illuminance is less than about 5 lx (0.5 fcd), some of the measured values on the display will blink. The blinking display lets you know that the illuminance is low. Specifically, the following values will blink to alert you of this condi- (Values blink to indicate tion: x, y, u’, v’, T, ∆uv, ∆x, ∆y, ∆u’, ∆v’, and ∆u’v’.
  • Page 18: Taking Color-Difference Measurements

    Taking Color-Difference Measurements Use the procedure described below to measure the difference between the sample color and a target color. You can select any of four color-difference displays: (a) ∆Ev ∆x ∆y, (b) ∆Ev ∆u’ ∆v’, (c) ∆Ev ∆u’v’ or (d) ∆X ∆Y ∆Z. Setting the Target Color You can set the target color values in either of two ways.
  • Page 19 3. Open the slide cover, and press [SET]. N The CHROMA METER enters SET mode, and the dis- play appears as shown in the illustration. N The measurement results that you held at Step 1 above now blink on the display. G If you wish to cancel without registering the blinking val- ues as your new target, press [CALL].
  • Page 20 ∆ 2. Press [ N The display shows color-difference parameters. 3. Open the slide cover, and press [SET]. N The CHROMA METER enters SET mode, and waits for you to begin keying in the target values. The display con- tent varies according to whether target values have al- ready been stored, as follows.
  • Page 21 To enter a value for Ev, x, y, or z 5. Press [ /D-OUT]. N One or more decimal points begin blinking. G If a target value is already set for this parameter, the value is displayed. The value’s decimal point blinks. G If the set target value does not have a set decimal point, all three of the line’s decimal points blink.
  • Page 22 To enter a value for x, y, u’, or v’ 10. Press [ /D-OUT] as necessary, so that the digit you want to set next starts blinking (becomes active). 11. Press [L] or [M] as necessary to change the value of the active digit.
  • Page 23: Taking The Difference Measurement

    Taking the Difference Measurement 1. Press and release the HOLD button, so that it pops out (into RUN position). 2. Aim the receptor at the light source you want to measure. N The display shows the measurement results (the differ- ence results).
  • Page 24: Measuring The Correlated Color Temperature

    Measuring the Correlated Color Temperature 1. Press and release the HOLD button, so that it pops out (into RUN position). 2. Aim the receptor at the light source you want to measure. N The display shows the measurement results. G Press [Tcp] to display the correlated color temperature. G The CHROMA METER can display color temperature values from 2300 to 20000 K.
  • Page 25: Using External Power

    (+), and the inner polarity is negative (–). This instrument is designed for use with the Minolta AC adapter AC-A10 (AC-A10N in North America) only. (The adapter is sold separately.) Please do not use any other adapter with this instrument.
  • Page 27: Advanced Operations

    Advanced Operations...
  • Page 28: Using Correction Factors (Cfs)

    This feature is available only when you are using NORM calibration mode (page 13). Using CF Correction The CL-200 CHROMA METER allows you to set correction factors (CFs) that can be applied to your measurement results. You can use this feature to correct for disparities among differ- ent CL-200s or to adjust calibration arbitrarily as needed.
  • Page 29 2 2 2 2 2 Enter the know values. 1. Open the slide cover, and press [CF]. N The CHROMA METER enters CF mode. 2. Press [SET]. N The display shows the measurement results obtained at step 1-3 above. If CF values are already set, the display shows the corrected results.
  • Page 30 5. Press [L] or [M] as necessary to select the number of significant digits. G If you use the [L] key, the number of digits cycles as shown in the simplified illustration at left. If you use the [M] key, the action moves in the reverse direction. (The actual display will show the measurement results held at step 1-3 above.
  • Page 31 11. Repeat steps 10 and 11 as necessary to set values for all digits. N When you have entered values for all digits, the entire value (all digits) will blink. G You can cancel the entry procedure by pressing [CALL]. 12.
  • Page 32: Applying Cf Correction To Measurements

    Applying CF Correction to Measurements 1. Press and release the HOLD button, so that it pops out (into RUN position). N The CHROMA METER begins taking measurements. 2. Open the slide cover, and press [CF]. G The display now shows the CF-corrected results. Note that the CF indication appears at the top of the display.
  • Page 33: Printing Out The Measurement Results (Digital Output)

    Printing Out The Measurement Results (Digital Output) This section explains how to print out the CHROMA METER’s measurement results. In order to print, you will need both a compatible printer and the (optional) T-A12 printer cable. Printer Requirements The printer must meet the following requirements. Characters per line :At least 27 Data input...
  • Page 34 2. Set the CHROMA METER’s power switch to the ON position (“|”), and then turn on the printer. 3. Set the HOLD button to the RUN position (pop the button out), so that the CHROMA METER begins taking measurements. 4. Press [ /D-OUT] to send the results to the printer. N Each time you press [ /D-OUT], the CHROMA METER sends its most recent measurement results to the printer.
  • Page 35: Connecting The Chroma Meter To A Computer (Digital Output)

    You can then transfer the measurement data to the computer, and use the computer to store and manage the data. If you install Minolta’s optional CL-S1w data processing software on your computer, you will also be able to use the computer to view measurement results in real time and to control multi-point measurements.
  • Page 36: Separating The Receptor Head From The Body

    Separating the Receptor Head from the Body For certain applications you may wish to separate the receptor head and connect it to the body by cable. Two optional adapters—one for the head, and one for the body—make this possible. Required Options G Adapter Unit for Main Body T-A20 G Adapter Unit for Receptor Head T-A21 (with cable) If you need greater separation...
  • Page 37: Fixing The Receptor Head In Place

    Fixing the Receptor Head in Place When working with the receptor head detached from the main body, you can fix it into position using either of the following two methods. (For a view of the reference measurement plane, see page 47.) 1 Attach the head to a tripod (using the tripod screw hole on the back of the head).
  • Page 38: Multi-Point Measurement

    Multi-Point Measurement You can set the CL-200 up to take measurements from multiple points at once. You do this by connecting up multiple receptor heads (each with its own adapter). You can connect up to 30 heads. Extra heads and adapters are available as options.
  • Page 39 4. Connect the body adapter to one of the head adapters (using the included cable or network cable). 5. Cable the remaining heads together in series. 6. Set an ID number for each head, using the rotary switches on the adapters.
  • Page 40 7. Set the power switch to ON (“|”). N The upper right of the screen shows the lowest used ID number. G Press [L] or [M] as necessary to cycle up or down through MULTI 0 the used ID numbers. Confirm that the display cycles through the IDs for all of the connected heads.
  • Page 41: More About Multi-Point Measurement

    More about Multi-Point Measurement Setting the Head ID Numbers G Be sure to set unique ID numbers for all heads. If you set the same number on more than one head, the CHROMA METER will not be able to carry out measurements correctly. About Color-Difference Measurement G The target values must be set separately for each head.
  • Page 43: G Accessories G

    Accessories...
  • Page 44: Included Accessories

    Included Accessories Batteries Two AA batteries Strap Case T-A10...
  • Page 45: Optional Accessories

    Optional Accessories Adapter Unit for AC-Adapter AC- Main Body T-A20 A10 (worldwide except North America) AC Adapter AC-A10N (North America) Adapter Unit for Hard Case CL-A10 Receptor Head T-A21 G With an extension cable (1m) Data Manage- Hood CL-A11 ment Software Kit CL-S1w G Includes T-A11 connection cable...
  • Page 46: System Configuration Diagram

    Multi-point measurement also requires the AC adapter. Included accessories Optional receptor head CHROMA METER Receptor Head Batteries Two AA batteries For CRT Measurement Strap Hood CL-A11 CL-200 External Power CHROMA METER Case AC Adaptor (AC-A10 worldwide except T-A10 N.America; AC-A10N in N.America)
  • Page 47: G Error Messages And Product Specifications G

    Error Messages and Product Specifications...
  • Page 48: Error Messages

    Displayed at time of power-on if the body to ON. If the message reappears, contact ErrU and head are not properly connected. the nearest Minolta-authorized service fa- cility. Set the power switch to OFF and then back EEPROM error. to ON. If the message reappears, contact Error in the data stored in the head’s...
  • Page 49: Dimension Diagram / Illuminance Reference Plane

    Dimension Diagram / Illuminance Reference Plane (Unit: mm) The summit of the receptor window serves as the reference plane, as illustrated below. Reference plane Center of receptor window Tripod socket...
  • Page 50: Illuminance Measurement Capabilities

    JIS (Japan Industrial Standards) has estab- lished a rating system that classifies illuminance meters according to how closely they match this function. The CL-200 CHROMA METER conforms to the “general class AA” classifica- tion.
  • Page 51: Cosine Correction Characteristics

    Because the brightness at the measurement plane is proportional to the cosine of the angle of incidence, the response of the receptor must also be proportional to this cosine. The graph below shows the cosine correction characteristics of the CL-200 CHROMA ME- TER. Ideal...
  • Page 52: Specifications

    Specifications Model CL-200 CHROMA METER Relative Spectral Response Closely matches CIE Standard Observer curves x (λ), y (λ), and z (λ) Within 8% (f1’) of the CIE spectral luminous efficiency V(λ) Receptor Element Measurement Functions Tristimulus values: X Y Z Color space: Ev x y, Ev u’...
  • Page 53: Reference

    Reference <CHROMATICITY AND CORRELATED COLOR TEMPERATURE> Chromaticity (xy) Correlated Color Temperature (Tcp) The concept of color temperature is based The CIE (Commission Internationale de on radiation from a black body —an ideal l’Éclairage), an international organization set up to establish worldwide standards re- “perfect radiator”...
  • Page 56  2000 Minolta Co., Ltd. under the Berne Printed in Japan AAMAR(1) 9222-1877-11 Convention and Universal Copyright Convention...

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