Spectrophotometric Density Meter

A spectrophotometer calculates color density and chromaticity values by measuring specific wavelengths of light reflected or transmitted from an object's surface. It is used for controlling ink layer thickness in printed materials, detecting color differences in plastic products, and assessing the covering power of coatings. It quantifies color data to assist in adjusting production processes.
Selection
When selecting, focus on matching the measurement aperture with the sample size and consider reflection/transmission measurement modes. Verify that the spectral range covers application requirements and confirm the instrument's repeatability metrics. Evaluate calibration stability and check the compatibility of supporting software functions. Consider the adaptability of the measurement platform, and decide between portable or benchtop models based on the scenario.

Terms

Standards

Instruments

Maximum weighing 210g, density accuracy 0.001g/cm ³, built-in a variety of density reference can be customized settings, support solid and liquid density rack selection, suitable for all kinds of sample density testing.

$ 525.00

High Accuracy weighing system with density accuracy of 0.001g/cm ³, maximum weighing of 210g, built-in density reference program, support for solid and liquid density testing, equipped with level indicator and overload alarm function.

$ 525.00

Density direct reading function can avoid cumbersome calculation, equipped with all stainless steel Density bracket, weighing range 120g, accuracy 0.0001g, suitable for a variety of sample testing.

$ 1151.00

With 0.001g/cm ³ density accuracy and 0.001g weighing accuracy, it supports solid, liquid, powder and Water Absorbency sample testing, and has built-in multiple density reference and direct density display functions.

$ 525.00

Using Spectrophotometric method, spectra-trophotometry to detect nickel concentration, detection limit of 0.1mg/L, equipped with imported cold light source life of 100,000 hours, support a variety of Measurement mode and wireless data transmission function.

$ 816.00

Density direct reading function eliminates cumbersome calculations, equipped with all stainless steel Density bracket, weighing range 200g, accuracy 0.001g, suitable for a variety of sample tests.

$ 546.00

Electromagnetic Force Sensor is used to ensure stable weighing, Density direct reading reaction time is less than 3 seconds, solid and liquid Density testing is supported, and the standard Density kit is easy to operate.

$ 841.00

High Accuracy Sensor is used to ensure stable weighing, Density direct reading reaction time is less than 3 seconds, Density upper and lower limits and specific gravity paraMeters can be customized, and solid Density, volume and metal purity measurement are supported.

$ 716.00

High-precision Sensor for 0.01g Readability and 0.001g/cm ³ density accuracy, built-in multiple density references and rigorous calculation programs, supports solid liquid sample testing and directly displays density results.

$ 332.00

High Accuracy Sensor is used to ensure stable weighing, Density direct reading reaction time is less than 3 seconds, Density upper and lower limits and specific gravity paraMeters can be customized, and various measurement modes such as liquid Density are supported.

$ 587.00

Density accuracy of 0.001g/cm ³, maximum weighing 310g, built-in density reference can be customized settings, support solid, liquid, powder and Water Absorbency sample testing.

$ 525.00

With 0.001g/cm ³ density accuracy and 0.01g readability, support solid liquid density test, built-in density reference table can directly display the results, configure the battery to realize mobile measurement.

$ 332.00

Density accuracy of 0.001g/cm ³, maximum weighing 310g, built-in density reference can be customized settings, support solid liquid powder and Water Absorbency sample testing, equipped with level indicator and overload alarm function.

$ 525.00

High Accuracy Sensor is used to ensure stable weighing, Density direct reading reaction time is less than 3 seconds, supports liquid Density measurement and custom setting of Density upper and lower limits, and standard RS232 interface is convenient for data transmission.

$ 496.00

Density direct reading function eliminates the calculation step, can measure solid and liquid density, accuracy of 0.01g, Repeatability +/- 0.01g, all aluminum base design enhances weighing Stability.

$ 415.00

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.
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.
The role of a reflection densitometer in controlling printing ink concentration.
The reflection densitometer measures the light reflectance of the ink layer and converts it into a density value, thereby objectively reflecting the thickness and concentration of the ink layer. In printing, it is used to monitor solid density, ensuring stable ink supply, replacing subjective judgment, and enabling data-driven control.
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.
Difference between dual-beam and array spectrophotometers
This article aims to systematically elucidate the core differences between double-beam and array-type spectrophotometers in terms of working principles, optical structures, performance characteristics, and applicable scenarios, providing clear technical references for professionals in related fields.
Spectrophotometric Determination of Sulfur Content by Ultraviolet Fluorescence Method
The determination of sulfur content by ultraviolet fluorescence spectrophotometry involves burning the sample to convert sulfur into sulfur dioxide, which is then excited by ultraviolet light to produce fluorescence for detection.
Application of Spectrophotometry in Heavy Metal Detection
A spectrophotometer detects heavy metal concentrations by utilizing the absorption of light at specific wavelengths by substances, following the principle of the Lambert-Beer law. During detection, heavy metal ions react with chromogenic agents to form colored complexes, and the concentration is determined by measuring absorbance and comparing it against a standard calibration curve.
Guide to Avoiding Pitfalls When Purchasing a Spectrophotometer
When selecting a spectrophotometer, it is essential to first understand its working principle based on the Lambert-Beer law, as this helps in assessing the rationality of the instrument's design.