4mm Aperture Silk NR4520 Reflectance Test Meter Whiteness Brightness Tester FCC
Product Details
| Measuring Aperture: | Φ4mm | Repeatability: | Within ΔE*ab 0.1 |
|---|---|---|---|
| Illuminating/Viewing Geometry: | 45/0 | Measuring Range: | L: 0 To 100 |
| Illuminant Device: | LED Blue Light Excitation | Storage: | 100 Pcs Standard Samples; 20000 Pcs Test Samples |
| Color Difference Formula: | ΔE*ab; ΔL*ab; ΔE*C*H | Measuring Conditions: | CIE 10° Standard Observer |
| Highlight |
Silk NR4520 Reflectance Test Meter,4mm Aperture Reflectance Test Meter,FCC Whiteness Brightness Tester |
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Product Description
NR4520 Whiteness Meter
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.
Features:
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.
1. In addition to lSOR457 whiteness, it can also measure CIE whiteness,ASTME313 whiteness, yellowness Y l,reflectance;
2. It can measure multiple times and give the arithmetic average of a series of measurement results;
3. Simulate D65 illumination light source,45/0 (45 degree illumination, 0 degree reception), in line with standard CIE No.15,GB/T 3978.
Specification:
| Model | NR4520 whiteness meter |
| Lighting method: | 45/0 (45 degree illumination, 0 degree reception); comply with standard CIE No.15,GB/T 3978 |
| Lighting source: | LED light source |
| Sensor: | Silicon photodiode |
| Measuring caliber: | $20mm platform measuring aperture (@10mm measuring can be customized)Detector response function: D65 light source xCIE10 degree response |
| Chromaticity index: | ISOR457 whiteness,CIE whiteness,ASTME313 whiteness, yellowness Yl, reflectance |
| Display: | Difference, pass/fail result measure time: 1.5s |
| Repeatability: |
Within ΔR0.1(after the instrument is warmed up and calibrated, the average value of 30 measurements on the whiteboard at an interval of 5s) |
| Instrument Errors: | Within ΔR 0.5(Measured average value of 12 swatches of BCRA series ll ) |
| Size: | 205X67X80mm |
| Weight: | 400g |
| Battery power: | Rechargeable Li-ion battery 3.7V @3200mAh |
| Lighting source life: | More than 1.6 million measurements in 5 yearsDisplay screen: TFT true color 2.8inch@( 16:9) |
| Storage data: | 100 standard samples,5000 samples |
| Operating Environment: | 0~40°C (32~104°F) |
| Storage Environment: | -20~50℃ (-4~122°F) |
| PC software: | no |
| Standard accessories: | Power adapter, manual, whiteboard box, wrist strap |
| Optional accessories: | no |
Product Highlights
NR4520 Whiteness Meter 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, ...
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