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      Home> Reflectivity meter> Moderner> Moderner C84-III Reflectivity meter

      MODERNER C84-III reflectivity meter for white and light Paints hiding power measurement and comparison of Coating and Paints

      Range 0-100; display accuracy 0.1, in line with ISO and GB standards;

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      SKU: NB000658
      China Moderner
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      3950.0
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        • Moderner C84-III Reflectivity meterOverview

        • Specifications
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        C84-III
        Reflectivity meter
        • MODERNER C84-III reflectivity meter for white and light Paints hiding power measurement and comparison of Coating and Paints
        • MODERNER C84-III reflectivity meter for white and light Paints hiding power measurement and comparison of Coating and Paints Figure 1
        • MODERNER C84-III reflectivity meter for white and light Paints hiding power measurement and comparison of Coating and Paints Figure 2
        Range 0-100; display accuracy 0.1, in line with ISO and GB standards;

        Picture show

        Moderner C84-III Reflectivity meter Moderner C84-III Reflectivity meter
        C84-III
        Reflectivity meter
        Moderner C84-III Reflectivity meter Figure 1
        ModernerLOGO

        简介

        现代环境C84-III反射率测定仪主要用于白色和浅色漆遮盖力的测定,也常用于涂料、色漆的对比测试。C84-III型反射率测定仪符合国际标准 ISO 3905、ISO 3906,中国标准 GB/T 13452、GB 9270、GB 5211。


        Real shot of C84-III reflectance measuring instrument.jpg

        工作原理

        C84-III 反射率测定仪由探头、主机、标准板(黑白各一块)、工作陶瓷板(黑白各二块)等组成。

        探头采用0°照射,45°接收的原理。当试样的反射光作用于光电池表面时产生电讯号输入到直流放大器进行放大,并予以读数显示(详见光路原理图)。

        C84-III 反射率测定仪的示值与受测表面反射的光照强度成正比。

        Schematic diagram of optical path.jpg


        技术参数

        示值范围:0~100

        显示精度:0.1

        使用电源:220v  50Hz


        实拍图

        Real shot of modern environment C84-III reflectance measuring instrument 1

        Real shot of modern environment C84-III reflectance measuring instrument 2

        Real shot of modern environment C84-III reflectance measuring instrument Figure 3

        MODERNER C84-III reflectance meter accessories diagram

        The real shot of the back of the modern environment C84-III reflectance meter

        MODERNER C84-III reflectance meter probe details

        MODERNER C84-III reflectance meter black and white calibration plate


        使用方法

        1)把探头与电控箱连接,接通电源。把探头放在黑色标准板上,开机预热3分钟。在连接时应注意插头上的凹槽应与电控箱插座上的凸起对准,拔下时应捏住插头,将插头的金属滑套向后拉,然后拔下插头,绝对不可直接拉导线。

        2)校零:把探头放在黑色标准板上,调整主机的“调零”旋钮,使主机数字显示为00.0。

        3)校正标准值:把探头放在白色标准板上,调整主机的“调满”旋钮,使主机显示的数值与白色标准板的标定值一致。允许变动±0.1。重复调整一次(调零、调满)。

        4)测量RB值:把探头移至放有试样的黑色工作陶瓷板上,显示器所显示的数值即为RB值。

        5)测量Rw值:把探头移至放有试样的白色工作陶瓷板上,显示器所显示的数值即为Rw值。

        6)计算求得遮盖率RB/Rw值。

        注意事项

        1、为保证测量精度,测量环境温度应接近25℃,C84-III 反射率测定仪应经常校准。 

        2、为克服光电池的光照疲劳现象,在测试间隙时间内应将探头放在黑色标准板上面。减少插头的插拔,以免损坏插头,造成接触不良。

        3、白色标准板应远离污染,否则会影响测量读数。

        4、白色标准板如有污渍可用高级绘图橡皮除净。

        5、试样的制备请依照相关的国家标准规定进行。

        使用维护及故障排除

        1)使用维护:

        The C84-III reflectance measuring instrument adopts a highly sensitive photoelectric conversion device. When using it, it is necessary to ensure that the illumination part and the circuit part of the instrument are not affected by the external environment. Dust or water vapor adsorbed on the light-transmitting glass in the probe will affect the measurement readings, and should be wiped off in time with a lens cleaning cloth. Black and white standard plates should be wiped clean before each use. If there is corrosive gas in the environment, the photoelectric components in the instrument will be damaged.

        Even better, the probe can be stored in a dry container when not in use.

         2) Troubleshooting:

        Phenomena failure analysis and processing digital meter is on but light emitting diode is not on

        PhenomenonFailure Analysisdeal with
        The digital meter lights up but the LEDs don't light up

        1. The probe lead is broken

        2. LED damage

        Check leads

        LED replacement

        digital meter digital display unstable

        1. The emission of light-emitting diodes is unstable

        2. The regulator is unstable

        LED replacement

        Check the regulated power supply

        The reflectance measuring instrument is a special instrument. When a fault cannot be eliminated, it should be delivered to the instrument maintenance personnel or contact the instrument manufacturer, and it must not be dismantled or repaired at will.

         3) The C84-III reflectance measuring instrument should be sent for inspection regularly to ensure the accuracy of use (recommended once a year).

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        Moderner C84-III Reflectivity meterSpecifications

        LIST VALUE
        Indication interval 0~100
        resolution 0.1
        Use power 220v 50Hz

        Moderner C84-III Reflectivity meter Packing list

        Electrical box x1, probe x1, black standard board x1, white standard board x1, black work board (ceramic) x2, white work board (ceramic) x2, mirror cloth x1, advanced drawing eraser x1, polyester film x1

        [Note] Because the manufacturer's packaging may be updated or upgraded, the detailed packaging list shall be subject to the latest standard configuration of the manufacturer.

        Moderner C84-III Reflectivity meter Comment

        Likes 100%
        用户头像
        鄂**
        反射率测定仪好用,测试效果和精度都比较满意。
        评价:5
        广东潮州用户 buy C84-III
        用户头像
        吴**
        技术的同事测试过了,挺准确的,希望耐用吧
        评价:5
        上海松江用户 buy C84-III
        用户头像
        苏**
        很好用,之前没在网上买过, 收到不错
        评价:5
        山东济南用户 buy C84-III
        用户头像
        黄**
        挺好的,测试了,还行
        评价:5
        山东德州用户 buy C84-III
        用户头像
        荣**
        该采购方未及时做出评价,系统默认好评!
        评价:5
        安徽滁州用户 buy C84-III

        FAQ

        [Q]
        I want to test the reflectance of aluminum foil, how about C84-ⅲ?
        [A]
        C84 is to measure the inversion rate of Coating. The material to be tested is coated on the board for testing, and aluminum foil paper is not suitable.
        [Q]
        Is the C84-III reflectivity meter a C Light source?
        [A]
        D65 Light source
        [Q]
        Coating a white liquid onto a transparent PET film to dry, we need to test the hiding power of this white coating. Paper jams are too subjective. We need an instrument and equipment that can objectively test some values with this equipment. Is it necessary to calculate according to the calculation method on GB/T 13452.3-1992?
        [A]
        The test hiding power is calculated by the test reflectance, and the national standard is also the same. It does not directly show how much hiding power is. It is recommended that the reflectivity meter
        [Q]
        Can this reflectivity meter be used for the contrast ratio test of architectural coatings putty?
        [A]
        Hello, it's OK.
        [Q]
        Your home this instrument, I decorate the wall is ink black, can measure reflectance? Because the introduction seems to be mainly light paint?
        [A]
        The dark black wall cannot be measured.
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