Photoelectric SpectrocoloriMeter

The photoelectric spectrophotometric colorimeter decomposes light into a spectrum through a spectroscopic system, uses sensors to measure the spectral data reflected or transmitted by an object, and calculates the chromaticity value. It is used to detect color consistency in products such as coatings and plastics, comparing the color difference between standard colors and samples in production lines and quality control.
Selection
When selecting a photoelectric spectrophotometer, it is essential to consider matching the measurement aperture to the sample size, ensuring the spectral range covers application requirements, verifying that instrument repeatability meets industry standards, confirming data interfaces are compatible with existing systems, ensuring operational adaptability to workshop conditions, and ensuring maintenance costs align with the budget.
Type
Measurement method
Caliber
light source
integrating sphere
Chromatic value repeability
Measurement shape
software
Special features

Terms

Standards

Instruments

Using photoelectric detection and automatic dial display, the measurement range is +/- 45 °, the minimum reading is 0.001 °, and the low optical rotation sample can be accurately analyzed, and the operation is simple.

$ 1380.00

Using photoelectric detection technology to achieve automatic measurement, linear heating rate adjustable eight, Temperature range to 400 ℃, accuracy of +/- 0.5 ℃, in line with pharmacopoeia specifications.

$ 1501.00

Using photoelectric automatic equilibrating principle, measurement range +/- 45 ° optical rotation and +/- 120 ° Z sugar content, minimum reading +/- 0.001 °, equipped with color LCD Touchscreen and USB interface, support automatic retest 6 times and calculate the average value.

$ 1752.00

High Accuracy photoelectric induction switch and precision screw drive, the load can be stacked 500/750/1000g, the test angle is 45 °, the operation is accurate and stable, in line with a variety of international standards.

$ 929.00

With photoelectric detection and automatic measurement function, Temperature range RT +~ 320 ℃, resolution 0.01 ℃, eight linear heating rate optional, support melting Linear dispersion recording and average calculation.

$ 1501.00

With photoelectric detection and eight linear heating rate, Temperature range RT +~ 400 ℃, accuracy +/- 0.2 ℃, automatic recording of molten Linear dispersion and calculation of average value, no manual monitoring.

$ 1648.00

Using photoelectric automatic detection and PID adjustment technology, temperature range RT +~ 300 ℃, resolution 0.1 ℃, can automatically calculate the average melting point and record the melting Linear dispersion, support three capillary tubing simultaneous measurement.

$ 2397.00

Using photoelectric automatic detection technology, the temperature resolution reaches 0.1 ℃, the temperature control system applies PID regulation and PWM technology to improve the measurement accuracy and reliability, and supports automatic recording of initial melting and final melting results.

$ 1855.00

With photoelectric non-contact and contact dual measurement function, Measurement range photoelectric 2.5~ 99999rpm, contact 0.5~ 19999rpm, automatic memory MAX Maximum, MIN Minimum and last value, rugged and portable structure, support USB and Bluetooth data output.

$ 267.00

Using parallel illumination hemispherical scattering integrating sphere photoelectric receiving mode, the accuracy of light transmitance and haze display is 0.01%, equipped with thin film magnetic fixture and liquid sample Cup, and supports 2000 sets of data storage.

$ 3882.00

Using photoelectric automatic detection and PID adjustment technology, temperature range RT +~ 320 ℃, resolution 0.1 ℃, automatically display the initial and final melting and record the melting Linear dispersion, improve measurement accuracy and reliability.

$ 1526.00

Using photoelectric detection technology automatic measurement melting point, accuracy of +/- 0.2 ℃, support eight linear heating rate and platinum resistance Sensor, without manual monitoring can work stably.

$ 1190.00

Using photoelectric automatic detection and PID adjustment PWM temperature control technology, the temperature resolution reaches 0.1 ° C, the heating rate is continuously adjustable from 0.1 to 20 ° C/min, and supports the simultaneous measurement of 3 capillary tubing and automatically saves 1000 sets of data.

$ 2629.00

Adopt photoelectric detection and microcomputer servo system, High Sensitivity, Measurement range +/- 45 °, Minimum reading +/- 0.001 °, Repeatability ≤ 0.002 °, LED display and membrane switch operation for easy reading, Cast aluminum base to ensure Stability.

$ 1372.00

Using photoelectric detection and automatic servo mechanism control, Measurement range -45 ° to + 45 °, minimum reading 0.01 °, Repeatability ≤ 0.002 °, can save three times the test results and calculate the average value, with RS232 interface for easy data transmission.

$ 1832.00

Articles

Use of Fluorescence Spectrophotometer in Measuring Excitation and Emission Spectra of Anti-Counterfeiting Fluorescent Inks
This article introduces the application of fluorescence spectrophotometry in the spectral measurement of anti-counterfeiting fluorescent inks, including instrument calibration, sample preparation, and methods for measuring excitation and emission spectra.
Spectrophotometer measures ink spectral reflectance and opacity.
This article introduces how to measure the hiding power of ink using a spectrophotometer. The instrument irradiates the ink sample, measures its reflectance within the visible light spectrum, and calculates the hiding power using the Kubelka-Munk model.
The combination of hiding power chart paper and a spectrophotometer enables the digital evaluation of hiding power.
This article introduces how to combine hiding power cards with spectrophotometers to achieve digital assessment of hiding power.
UV spectrophotometer for measuring residual monomers in polymer solutions.
This article introduces a method for determining residual monomers in polymer solutions using ultraviolet spectrophotometry. The principle relies on the characteristic absorption of monomers in the ultraviolet region, calculating their content based on the relationship between absorbance and concentration.
UV-Vis-NIR spectrophotometer measures the transmittance of anti-reflection coatings.
This article introduces the method of measuring the transmittance of anti-reflective coatings using a UV-Vis-NIR spectrophotometer. The instrument is based on the Beer-Lambert law, calculating transmittance by comparing the light intensity of the sample and the reference, covering a wide spectral range from ultraviolet to near-infrared.
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.
Determination of Transmittance of Resin Solutions Using UV-Visible Spectrophotometer
This article introduces the method of measuring the transmittance of resin solutions using a UV-Vis spectrophotometer.
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.
UV-Vis Spectrophotometer Measures Ink Pigment Concentration
This article introduces the method of measuring the concentration of ink pigments using a UV-Vis spectrophotometer. The principle is based on the Lambert-Beer law, which calculates the concentration by measuring the absorbance of the pigment solution at specific wavelengths.
The role of spectrophotometers in ink color matching
The spectrophotometer objectively quantifies color by measuring the spectral data of ink. Based on the Lambert-Beer law, it converts color into calculable spectral values, replacing traditional methods that rely on the human eye and experience.
Application of UV Spectrophotometer in the Determination of Lignin in Pulp
This article introduces the application of ultraviolet spectrophotometry in determining the lignin content in pulp. Lignin is a key component affecting pulp quality. This method utilizes the characteristic absorption of lignin under ultraviolet light for measurement, offering simple and rapid operation.
Determination of Chromaticity Value of Pulp by Spectrophotometry
This article introduces the method for determining pulp chromaticity using spectrophotometry. It first explains the importance of chromaticity for pulp quality, then details the basic principles of spectrophotometry, which quantifies color by measuring the reflection of light from the pulp, typically expressed using the CIELAB color system.