Portable paper coloriMeter

The portable paper colorimeter illuminates the paper surface with its built-in light source, and the sensor receives the reflected light and analyzes the spectral data to calculate the L*a*b* chromaticity values. It is used for on-site rapid detection of color differences between paper and standard samples, and is applied in quality control in printing factories and color difference control in paper product production.

Instruments

Featuring a 45°/0° illumination method and full-spectrum LED light source, it has an 8mm measurement aperture with a standard deviation ΔE*ab of less than 0.03, ensuring excellent repeatability. The built-in compensation optical path ensures data stability, eliminating the need for frequent calibration. Compact and portable, its size is comparable to that of a lipstick.

$ 130.00

Adopting 45 °/0 ° illumination, the measurement area is about Φ 10mm, the Repeatability Standard Deviation is within Delta E * ab 0.5, and supports a variety of Color space display and statistical functions, making it easy to use.

$ 267.00

It has a multi-function smart button design, supports more than 30 Color indicators and 28 kinds of observation Illuminants, adopts non-contact automatic whiteboard calibration technology, Inter-instrument Agreement Delta E * 00 is less than 0.2, high measurement Stability, portable and lightweight only 88 grams.

$ 267.00

Equipped with a 3.5-inch touchscreen, with repeatability of △E*ab ≤ 0.03, measurement accuracy of 0.01, built-in multiple electronic color cards, supports various color difference formulas and color spaces, facilitating quick color matching and comparison.

$ 231.00

Measurement accuracy of 0.01, support Automatic calibration, magnetic seat charging and touch operation, equipped with 11mm/6mm/1 * 3mm aperture switching and UV switching functions to achieve data conformity of multiple devices.

$ 2978.00

Vacuum principle measurement paper breathability performance, Measurement range 0-1000ml/min, test area of 10cm ², suitable for a variety of industrial paper mass detection.

$ 1134.00

Using D/8 measurement structure, SCI and SCE tests can be performed simultaneously, Repeatability is less than 0.03Delta E * ab, equipped with large-size color touch screen and camera positioning function, suitable for plane and curved sample measurement.

$ 3268.00

Using D/8 lighting system, Inter-instrument Agreement Delta E * 00 < 0.2, equipped with non-contact automatic whiteboard calibration technology to ensure measurement accuracy, lithium battery supports 12,000 consecutive tests.

$ 202.00

Adopt 45 ° circular lighting structure, reduce texture effect, compatible with 60 ° Gloss measurement, Repeatability Delta E * ab 0.03, built-in high Sensitivity Sensor, suitable for matte and textured material surfaces.

$ 6334.00

Color, color difference and total reflectance are tested in one time by using spectroscopic measurement scheme. The d/8 measurement structure supports SCI and SCE, Repeatability < 0.02Delta E * ab, suitable for surface sample measurement.

$ 4882.00

Adopting D/8 measurement structure, SCI and SCE tests can be performed simultaneously, Repeatability is less than 0.03Delta E * ab, equipped with large-size touch screen and ultra-large capacity lithium battery, supports USB and WIFI communication.

$ 4882.00

Using dual 40 array Sensor and D/8 structure, SCI/SCE simultaneous measurement is supported, the test time is about 3.2 seconds, and the Repeatability Delta E * ab is controlled within 0.02, which is suitable for fluorescent samples and multiple Color Space analysis.

$ 7625.00

The D/8 measurement structure allows for simultaneous SCI and SCE testing, with a measurement Repeatability of less than 0.03Delta E * ab, and a vertical design for fast positioning of the measurement area, suitable for flat and curved samples.

$ 4882.00

Adopt D/8 measurement structure, support SCI and SCE dual mode, Repeatability less than 0.02Delta E * ab, vertical design for easy positioning, can measure flat and curved samples, equipped with large capacity battery and touch screen.

$ 6012.00

45 ° ring illumination and 0 ° viewing angle structure are used to effectively eliminate mirror light interference on textured surfaces. Built-in Gloss Sensor realizes simultaneous measurement, and the spectral reflectance Repeatability Standard Deviation is within 0.08%, suitable for matte and textured materials.

$ 3753.00

Articles

Extended Application of Paper Water Absorption Tester in the Dispersibility Evaluation of Tissue Paper
This article explores how to extend the application of an instrument originally used for testing the water absorption capacity of paper to evaluate the dispersibility of tissue paper.
Colorimeter controls batch color difference in plastic and rubber films.
This article primarily discusses how to use a colorimeter to control color differences in the production of plastic and rubber films. It explains the working principle of the colorimeter, which involves converting colors into numerical values represented by L, a, and b values, and then calculating the color difference.
Colorimeter evaluates the change in yellowing index of transparent resin.
This article introduces how to use a colorimeter to measure the yellowing index changes in transparent resin. Transparent resin can turn yellow over time or due to environmental influences, and the yellowing index can quantify the degree of color change.
Short Span Compression Strength (SCT) Tester for Analyzing Paper Compression Resistance
The short-span compressive strength (SCT) tester is used to measure the resistance of materials such as paper and cardboard to compression over a short distance, primarily following international standards such as ISO 9895.
IGT Printability Tester Evaluates Paper Surface Pick Resistance
This article introduces how to use the IGT printability tester to evaluate the surface pick resistance of paper. Picking refers to the phenomenon where the tack force of the ink is too high during printing, causing the surface fibers of the paper to be lifted, which affects print quality.
Internal Bond Strength Scott Tester for evaluating interlayer bonding force of paper.
This article introduces the method of evaluating the interlayer bonding strength of paper using a Scott tester. The interlayer bonding strength affects the printing and mechanical properties of paper. During testing, the instrument peels the paper vertically through an adhesive test head, records the energy required for separation, and calculates the internal bond strength.
Tensile strength testing machine measures the tensile properties of paper.
The tensile strength tester is used to determine the tensile properties of paper by simulating the stretching process to obtain key parameters such as tensile strength and elongation at break. The testing follows standards such as ISO and GB to ensure reliable results.
Paper Whiteness Tester Measures CIE Whiteness
This article explains how a paper whiteness meter measures CIE whiteness. Whiteness is a crucial optical indicator for evaluating paper quality. Traditional methods rely on subjective judgment, while modern instruments provide objective data by simulating standard lighting conditions.
Glossmeter 75-degree angle measurement for paper gloss
This article introduces the principle and method of measuring paper gloss using a 75-degree specular gloss meter. Gloss is defined as the ratio of the light reflected from the paper surface to that reflected from a standard reference plate, with the 75-degree angle commonly used for measuring medium to high gloss papers.
Sheffield Smoothness Tester for Analyzing Paper Printing Surface
This article introduces how the Sheffield smoothness tester analyzes the printing surface of paper. The instrument quantifies paper smoothness by measuring the air leakage time, with a longer time indicating a smoother surface.
Schopper air permeability tester measures paper air permeability.
The Schopper air permeability tester measures the air permeability of paper based on Poiseuille's law, calculating the permeability by either the air flow rate under a constant pressure difference or the pressure difference at a fixed flow rate.
Cobb Absorbency Tester Evaluates Paper Water Absorption Capacity
The Cobb water absorption tester is used to measure the water absorption capacity of paper or cardboard by simulating the liquid contact process and calculating the mass of water absorbed per unit area to determine the Cobb value.
Paper Thickness Gauge for Determining Paper Thickness and Apparent Density
This article explains how to measure paper thickness and apparent density using a paper thickness gauge. Thickness refers to the vertical distance between the two sides of paper under standard pressure, while apparent density is calculated by dividing the basis weight by the thickness, reflecting the compactness of the paper.
Contact angle measuring instrument measures the surface wettability of paper.
The contact angle goniometer evaluates wettability by measuring the contact angle of a liquid droplet on the surface of paper, based on the principle of Young's equation. The static drop method is commonly used for measurement, requiring control over sample flatness, environmental conditions, and droplet volume, while also considering the influence of surface roughness.
Application of Valley Beater in Pulp Laboratory Beating
The Valley beater is a device used in laboratories to simulate industrial beating processes. It modifies the morphology of pulp fibers through mechanical action, thereby influencing paper properties. During operation, parameters such as beating pressure, pulp consistency, and beating time must be controlled, with the beating degree serving as a quantitative measure of the effect.