Tobacco Leaf ColoriMeter

The tobacco leaf colorimeter measures the tristimulus values of light reflected from the surface of tobacco leaves using photoelectric sensors, calculates chromaticity coordinates and color differences. It is used for tobacco leaf grading, quality control, and color monitoring during the fermentation process to ensure color consistency.
Selection
When selecting, focus on ensuring the measurement aperture matches the shape of the tobacco leaves and supports specialized tobacco color system indicators. Consider portability for field testing, and ensure the data interface is compatible with existing systems. Check parameters such as repeatability error and inter-instrument variation to ensure adaptability to different humidity environments.

Terms

Instruments

Conductivity Detector temperature compensation technology, Measurement range 8~ 40%, accuracy +/- 0.5%, Response Time 1 second, with backlight display and automatic shutdown function, portable design weight only 175 grams.

$ 267.00

Measurement principle using Conductivity Detector method, Measurement range 8~ 40%, accuracy +/- 0.5%, with automatic compensation function of Temperature and Humidity, Response Time is only 1 second, Portable design weight about 203 grams, suitable for on-site rapid detection.

$ 264.00

Conductivity Detector Measurement principle, Measurement range 8~ 40%, accuracy +/- 0.5%, Response Time only 1 second, with temperature and humidity compensation technology, probe Sensor can be deeply measured inside the material, support multi-gear design and Interface customization.

$ 267.00

Adapted to NS series ColoriMeter, it can measure liquid, sauce and powder samples, realize color data collection of various forms of materials, and expand the application range of the instrument.

$ 557.00

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

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

Adopt internationally recognized LOVIBOND color scale, measurement range red 0.1-79, yellow 0.1-79, blue 0.1-49 LOVIBOND units, minimum indication 0.1, equipped with three specifications Cuvette to meet multi-sample testing needs.

$ 677.00

Repeatability and accuracy are ensured with dual optical path sensing arrays and UV reinforced silicon photodiodes with 0.0001 resolution, 0-200% Transmittance Measurement range and support for APHA/PtCo, Gardner and Saybolt chroma scales.

$ 1687.00

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

1000 wire precision blazing grating and silicon Photocell, photovoltaic cell array, Optical inspection resolution less than 10nm, can simultaneously measure SCI/SCE Light spectrum, Inter-instrument Agreement Delta E * ab < 0.15, equipped with camera positioning and stabilizer platform.

$ 4398.00

1000 wire precision blazing grating and silicon Photocell, photovoltaic cell array, Optical inspection resolution less than 10nm, can simultaneously measure SCI/SCE Light spectrum, Repeatability Delta E * ab within 0.03, support dual aperture switching and camera positioning.

$ 6012.00

Featuring a 3.5-inch touchscreen for easy operation, it offers a measurement accuracy of 0.01 and a repeatability of ΔE*ab ≤ 0.03. Equipped with multiple built-in color cards for fast matching, it supports various color difference formulas and cloud-based data sharing.

$ 231.00

Fully automatic one-click measurement of a variety of whiteness paraMeters, support chromaticity coordinates ≤ 0.001 High Accuracy, built-in thermal printer and RS232 interface, suitable for powder, paper and other samples.

$ 1818.00

With camera view function to prevent measurement deviation, Repeatability Delta E * ab 0.05, Support SCI and SCE dual Measurement mode, store 20000 data, suitable for a variety of environment operation.

$ 3543.00

With camera viewing function to prevent measurement deviation; Repeatability Standard Deviation Delta E * ab within 0.05; dual measurement diaMeter 4mm and 6mm optional; Support SCI and SCE simultaneous measurement, Storage capacity up to 20,000 data.

$ 3543.00

Articles

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.
Application of Colorimeters in Color Management for Packaging and Printing
This article mainly discusses the application of colorimeters in color management for packaging and printing. A colorimeter is an instrument used to measure color, capable of converting colors into numerical values, such as representing them with L*a*b* values.
Multi-angle colorimeter detects color changes in pearlescent coatings.
Pearlescent coatings contain special flake pigments that produce color effects that vary with the viewing angle, known as "goniochromism." Traditional single-angle measurements struggle to accurately capture this characteristic.
Application of Colorimeters in Controlling Color Differences in Paint Batches
This article introduces the role of colorimeters in controlling color consistency in paint production. Since human judgment of color is easily influenced by lighting and subjective factors, colorimeters quantify color differences in the CIELAB color space by measuring spectral data, providing an objective basis for production.
Application of Colorimeter and Color Matching Box in Pigment Color Inspection
A colorimeter and a light booth are two primary tools in pigment color inspection. The colorimeter measures color through photoelectric principles, while the light booth provides a standardized light source environment for visual evaluation of color effects, metamerism, and other phenomena.