{"product_id":"nr4520-whiteness-meter-brightness-tester-reflectance-test","title":"NR4520 Whiteness Meter Brightness Tester Reflectance Test","description":"\u003cdiv\u003e\u003cspan\u003e\u003cp\u003eNR4520 Whiteness Meter\u003c\/p\u003e\n\u003cp\u003e This model NR4520 whiteness meter is used to determine the ISO R457 whiteness, CIE whiteness,ASTM E313 whiteness, yellowness Yl, reflectance of objects, and it is widely used in paper making, textile,printing and dyeing, plastics, ceramics, enamel, food, building materials, paint, chemicals, salt and other production and commodity inspection departments that need to measure the special body whiteness. The production and commodity inspection department. It is also suitable for measuring various specular reflectivity values.\u003c\/p\u003e\n\u003cp\u003e  \u003c\/p\u003e\n\u003cp\u003e Features:\u003c\/p\u003e\n\u003cp\u003e Measure lSO Brightness (IS0 Brightness, that is,R457 whiteness), for fluorescent whitening samples, you can also measure the fluorescent whitening caused by the reflection of fluorescent substances.\u003c\/p\u003e\n\u003cp\u003e 1. In addition to lSOR457 whiteness, it can also measure CIE whiteness,ASTME313 whiteness, yellowness Y l,reflectance;\u003c\/p\u003e\n\u003cp\u003e 2. It can measure multiple times and give the arithmetic average of a series of measurement results;\u003c\/p\u003e\n\u003cp\u003e 3. Simulate D65 illumination light source,45\/0 (45 degree illumination, 0 degree reception), in line with standard CIE No.15,GB\/T 3978.\u003c\/p\u003e\n\u003cp\u003e  \u003c\/p\u003e\n\u003cp\u003e Specification:\u003c\/p\u003e\n\u003cp\u003e           Model\u003c\/p\u003e\n\u003cp\u003e      NR4520 whiteness meter\u003c\/p\u003e\n\u003cp\u003e            Lighting method:\u003c\/p\u003e\n\u003cp\u003e      45\/0 (45 degree illumination, 0 degree reception); comply with standard CIE No.15,GB\/T 3978\u003c\/p\u003e\n\u003cp\u003e            Lighting source:\u003c\/p\u003e\n\u003cp\u003e      LED light source\u003c\/p\u003e\n\u003cp\u003e            Sensor:\u003c\/p\u003e\n\u003cp\u003e      Silicon photodiode\u003c\/p\u003e\n\u003cp\u003e            Measuring caliber:\u003c\/p\u003e\n\u003cp\u003e      $20mm platform measuring aperture (@10mm measuring can be customized)Detector response function: D65 light source xCIE10 degree response\u003c\/p\u003e\n\u003cp\u003e            Chromaticity index: \u003c\/p\u003e\n\u003cp\u003e      ISOR457 whiteness,CIE whiteness,ASTME313 whiteness, yellowness Yl, reflectance\u003c\/p\u003e\n\u003cp\u003e            Display:\u003c\/p\u003e\n\u003cp\u003e      Difference, pass\/fail result measure time: 1.5s\u003c\/p\u003e\n\u003cp\u003e            Repeatability:\u003c\/p\u003e\n\u003cp\u003e      Within ΔR0.1(after the instrument is warmed up and calibrated, the average\u003c\/p\u003e\n\u003cp\u003e value of 30 measurements on the whiteboard at an interval of 5s)\u003c\/p\u003e\n\u003cp\u003e            Instrument Errors:\u003c\/p\u003e\n\u003cp\u003e      Within ΔR 0.5(Measured average value of 12 swatches of BCRA series ll )\u003c\/p\u003e\n\u003cp\u003e            Size:\u003c\/p\u003e\n\u003cp\u003e      205X67X80mm\u003c\/p\u003e\n\u003cp\u003e            Weight: \u003c\/p\u003e\n\u003cp\u003e      400g\u003c\/p\u003e\n\u003cp\u003e            Battery power: \u003c\/p\u003e\n\u003cp\u003e      Rechargeable Li-ion battery 3.7V @3200mAh\u003c\/p\u003e\n\u003cp\u003e            Lighting source life: \u003c\/p\u003e\n\u003cp\u003e      More than 1.6 million measurements in 5 yearsDisplay screen: TFT true color 2.8inch@( 16:9)\u003c\/p\u003e\n\u003cp\u003e            Storage data:\u003c\/p\u003e\n\u003cp\u003e      100 standard samples,5000 samples\u003c\/p\u003e\n\u003cp\u003e            Operating Environment:\u003c\/p\u003e\n\u003cp\u003e      0~40°C (32~104°F)\u003c\/p\u003e\n\u003cp\u003e            Storage Environment:\u003c\/p\u003e\n\u003cp\u003e      -20~50℃ (-4~122°F)\u003c\/p\u003e\n\u003cp\u003e            PC software: \u003c\/p\u003e\n\u003cp\u003e      no\u003c\/p\u003e\n\u003cp\u003e            Standard accessories:\u003c\/p\u003e\n\u003cp\u003e      Power adapter, manual, whiteboard box, wrist strap\u003c\/p\u003e\n\u003cp\u003e            Optional accessories:\u003c\/p\u003e\n\u003cp\u003e      no\u003c\/p\u003e\n\u003cp\u003e       \u003c\/p\u003e\n\u003cp\u003e  \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e","brand":"mickcara","offers":[{"title":"000","offer_id":41163984208009,"sku":"01162-1","price":897.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0365\/2131\/2393\/products\/ccda32f2e6891984c885220570044344.png?v=1677571189","url":"https:\/\/mickcara.com\/fr\/products\/nr4520-whiteness-meter-brightness-tester-reflectance-test","provider":"mickcara","version":"1.0","type":"link"}