Whiteness Meter

LED light source and LCD liquid crystal display, the measurement range is 0 to 199, the minimum indication is 0.1, the repeability is 0.2, the error of indication does not exceed +/- 1. The instrument conforms to GB/T3978 and other national standards

Optical, mechanical and electrical integrated design, microcomputer measurement and control technology, compact structure, beautiful appearance, easy maintenance. The instrument is mainly used for the measurement of paper, Cardboard, Pulp, Spinning & weaving products, Plastic, Ceramics and other materials whiteness, and can also measure the opacity of thin sheet materials and other Optical Properties.

Measurement range 0~199, whiteness formula R457 blue light whiteness, fluorescence whiteness F, Light source LED Light source, according to the test conditions 45/0, Display mode LCD liquid crystal display, measurement aperture φ 30mm, resolution 0.1

Zero calibrated, super power saving, long life Light source, moisture proof, backlit display and accurate power display, a AA battery can last for more than 50 hours, combined with wide adjustment range and durable digital encoder.

Imported components; measurement hole 18x11mm, can test the whiteness of fluorescent whitening substances; with RS232 interface.

Imported components; range 0~120, can store 254 groups; with RS232 interface; measurement aperture ≤ 15mm.

Simple optical path design, simple maintenance; effectively avoid measurement aperture leakage, ensure accuracy; Repeatability ≤ 0.2, high indication Stability, stable and reliable work.

Simple optical path design, measurement aperture φ 30mm, Repeatability ≤ 0.2, effectively avoid measurement aperture leakage, high indication Stability.

In line with GB3978 standard, using D65 Light source, error of indication ≤ 0.5, sample size ≥ Φ30mm, can measure the inks absorption value of paper and Cardboard.

Measure the blue light diffuse reflection factor (R457) of the sample, blue light whiteness or ISO whiteness, Precision ≤ 0.5%, resolution 0.1/0, Repeatability ≤ 0.02%, mirror reflection error ≤ 0.1%

The test plane is ≥ 30mm, the thickness is less than or equal to 40mm, the diameter of the diffusing ball is 150mm, and the diameter of the test hole is 19mm. A light absorber is provided to eliminate the influence of the specular reflection of the sample.

Range 0.0~100, using tungsten halogen lamp to illuminate Light source, error of indication +/- 2.5, in line with GB/T 5950, GB/T 2913, GB/T 8940.1 and other standards.

IPS full-color screen professional version, can pass national metrology authentication, 9 kinds of whiteness indicators, Measurement range 0-200, support connecting mobile app, WeChat Mini Program.

Used to test the whiteness value of paper, Spinning & weaving, plastic, paints, etc., using 30W halogen tungsten lamp, WSB digital Whiteness Meter indication interval is 0-100, error of indication is +/- 2.5.