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

LCD digital display, measurement range 0~199.9, φ 30 measurement aperture, used for measurement of whiteness of objects or powders, can also measure the opacity of thin sheet materials, often used in Quality control department or scientific research department for testing.

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.

Measurement range 0~ 120, resolution 0.1, illumination condition 45/0, whiteness formula R457 blue light whiteness, zero drift ≤ 0.1, Indication Error ≤ 0.5, Repeatability ≤ 0.1, store 254 sets of data, measurement aperture 18 × 11mm

Measurement range 0-120, resolution 0.1, illumination condition 45/0, Illuminant LED, whiteness formula R457, zero drift ≤ 0.1, Indication Error ≤ 0.5, Repeatability ≤ 0.1, store 254 sets of data, support USB, RS-232C, Bluetooth output

Measurement range 0~ 100%, Precision 0.1, Repeatability ≤ 0.2, D65, 45/0, R457 blue light whiteness, RS232, low loss switching power supply, national calibration whiteboard

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.

Measurement range 0~ 100%, Precision 0.1, zero drift ≤ 0.1/10 min, Repeatability ≤ 0.2, aperture φ 30mm, Illuminant D65, illumination condition 45/0, R457 blue light whiteness, low loss switching power supply, imported components, simple light path, leak-proof light design, national calibration whiteboard correction.

Measurement range 0~ 100%, Precision 0.01, Repeatability ≤ 0.2, Aperture φ 30mm, Illuminant D65, Illumination 45/0, whiteness R457, low loss power supply, calibration whiteboard

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.

Accuracy 0.1, Repeatability < 0.1, Zero drift < 0.1, indication drift < 0.1, Measurement, measurement R457/ISO2470 blue light whiteness, range 0-200, Automatic calibration, one-click measurement, 1.5 seconds results, support APP/computer software

Simple optical path and reasonable specimen holder design are adopted to effectively avoid light leakage. Measurement aperture φ 30mm, Repeatability ≤ 0.2, High indication Stability, Support RS232 Interface.

Measurement aperture φ 30mm, R457 blue light whiteness, zero drift ≤ 0.1, repeatability error ≤ 0.1, can measure ISO whiteness, fluorescent whiteness, Opacity, inks absorption value, built-in micro printing, d/o lighting observation.