MRC CLRM-200, Руководство по эксплуатации

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6
IV. 200 Colorimeter Operating Instruction
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I
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Turning Power On
1. Preparations Before Power On
a) Check whether there is battery powered or external power supply.
b) Make sure the white calibration cover is connected to the instrument and well
installed. If it is loose or the
white calibration cover isn’t well installed, you must
put the cover on and be sure it is connected to the instrument tightly.
2. Turning Power On
Press the power switch on the back side of the instrument, the LCD screen will
display
MRC logo. After a few seconds, it will enter Standard Measurement
interface automatically, and the default display is L*a*b*C*H.
3. White Calibration and Black Calibration
Note: White and black calibration is not required for 200 colorimeter.
Only when the measured data are not accurate enough, manual calibration
is needed.
After turning on 200
colorimeter, press “Menu” to enter the main menu, as
shown in Figure 5. Select “Calibrate” to enter White and Black Calibration
interface, as shown in Figure 6.
Be sure the white calibration cover is well installed. Selecting “White Calibration”
and press “Enter” button, the instrument will prompt you to place the white
calibration plate. Then press “Enter” or “Testing” key to start white calibration.
Be sure the white calibration cover is removed. Select “Black Calibration” and
press “Enter”. The instrument will prompt you to direct the measuring aperture to
the air. Press “Enter” again or press “Testing” key to start black calibration.
Note: When starting black calibration, direct the measuring port to the air.
Be sure the black calibration is performing in a dark, no bright light source
environment. Keep the measuring port more than 3m away from any
reflective items (hands, desks, walls etc.).
By then, manual white calibration and black calibration are completed.