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Brightness Tester NBGT-100

Brightness Tester NBGT-100

Brightness Tester NBGT-100

Brightness Tester NBGT-100 is designed to measure the brightness of samples with a thickness of ≤ 40 mm, ensuring accurate results. It offers a precise evaluation of R457 blue lightness, maintaining a threshold of ≤ 0.03 for detailed analysis. It is equipped with a large screen featuring a high-pixel liquid crystal display for clear visualization. Our tester facilitates multiple measurements and calculates the arithmetic mean for enhanced reliability in data analysis.


Sample Size Test plate diameter ≥ 30mm
Sample thickness ≤ 40mm
Working Temperature 10 to 35 ℃
Humidity ≤ 85%
Test Parameters Measure the color of the object, report the diffuse reflection factor, stimulus value, chromaticity coordinates, brightness, chromaticity, chroma, hue angle, dominant wavelength, excitation purity, color difference, brightness difference, chroma difference, hue difference, Hunter System
Indication Accuracy Chromaticity Coordinate ≤ 0.0001, others ≤ 0.01
Data’s Stability 30 minutes after preheating, within ± 5℃ temperature range, ≤ 0.1
Repeatability Accuracy Rx, Ry, Rz ≤ 0.03
Chromaticity Coordinate ≤ 0.001
R457 ≤ 0.03
Specular Reflectance Accuracy ≤ 0.1
Print Built-in thermal printer
Standards ISO 2469, ISO 2470, ISO 2471, ISO 9416, ISO 11475
Power Consumption 50W
Power Supply AC (100-240) V (50/60) Hz
Dimension (L × W × H) 330 × 260 × 385 mm
Weight 15Kg



Brightness tester is used for precise brightness measurements, aiding in quality assurance across various materials. Employed in industries like paper, plastics, textiles, ceramics, and construction materials.

Standard Accessories

Whiteboard (3#) (For paper measurement) × 1set

Optional Accessories

Simple powder box (For paper measurement) × 2 sets

Glass cover plate (For paper measurement) × 2 sets
RS232 interface and computer software × 1 set

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