Visual refractoMeter

The visual refractometer measures refractive index by observing the refraction of light passing through a sample and comparing the position of the light-dark boundary. It is used to detect liquid concentration and purity, control solid content in coatings and inks, measure sugar content in the food industry, and monitor solution composition in chemical processes.

Instruments

Visual aiming and manual measurement, measurement range up to +/- 180 °, equipped with LED Illuminant to extend the service life, support 100mm/200mm ordinary testtube.

$ 444.00

Measurement refractive index range 1.3-1 nD, sugar measurement 0-95%, visual aiming Optical inspection dial reading, temperature digital display, stainless steel base and hard Glass prism good durability.

$ 398.00

The phase transition process of samples can be detected by visual method, and three samples can be processed simultaneously and the average value can be calculated. Temperature range RT +~ 280 ℃, resolution 0.1 ℃, support 0.5-3 ℃/min four-speed heating rate, suitable for dark sample determination.

$ 1106.00

Measurement range 1.3000~ 1.7000nD, accuracy +/- 0.0002nD, support 0~ 70 ° C thermostatic measurement, visual aiming Optical inspection dial reading, compact and easy to carry.

$ 356.00

With RS232 interface can be connected to PC, measurement refractive index range 1.3000~ 1.7000nD, accuracy +/- 0.0002nD, visual aiming and liquid crystal display, clear interface, no consumption of chemical Reagents without pollution.

$ 1752.00

Using refractive index measurement technology, 1.5 seconds fast display results, automatic temperature compensation to ensure accuracy, only a small sample, suitable for a variety of environments, Protection Rating IP65.

$ 567.00

Visual aiming and manual measurement, measurement range +/- 180 °, dial scale 0.05 °, support 100mm/200mm testtube, easy and reliable operation.

$ 427.00

Adopt dual temperature control system, temperature control accuracy +/- 0.03 ℃, equipped with sapphire prism and high resolution CCD Sensor, support refractive index Measurement range 1.3000~ 1.7000nD, suitable for transparent to viscous liquid detection.

$ 4592.00

The device uses refractive index measurement, displays results in 1.5 seconds with an accuracy of +/- 0.3%, supports automatic temperature compensation and micro samples, requires only 100 μL, and is suitable for laboratory and field environments.

$ 587.00

With visual and automatic dual measurement mode, to meet the needs of deep Color sample detection. Temperature resolution 0.1 ℃, can process three samples at the same time, support 0.1-10 ℃/min continuous adjustable heating rate.

$ 3533.00

Measurement range 45~ 82% Brix, minimum reading 0.005, Dimension 155 * 25 * 40mm, weight only 160g, easy to quickly detect on site.

$ 122.00

Using CCD detection system to achieve automatic measurement, Measurement accuracy of +/- 0.00001nD, temperature control accuracy of +/- 0.02 ℃, sampling only 0.5ml, nondestructive recovery of samples, no mechanical moving parts to ensure durability.

$ 10240.00

Measurement accuracy +/- 0.2% with automatic temperature compensation technology, only 1.5 seconds to display results, support for micro sample detection, IP65 waterproof rating and automatic shutdown function.

$ 567.00

Refractive index conversion technology, Measurement range 0-50% Brix, accuracy +/- 0.2% Brix, automatic temperature compensation, quick display results in only 1.5 seconds, sample size as low as 100 μL.

$ 567.00

Measurement range 0-85% Brix content, accuracy +/- 0.2%, 1.5 seconds fast display results, automatic temperature compensation 10-40 ℃, only 2 drops of sample can complete the measurement.

$ 567.00

Articles

Abbe refractometer measures the relationship between refractive index and concentration of liquid coating resins.
This article introduces the method of measuring the refractive index of liquid coating resins using an Abbe refractometer and calculating the concentration based on the relationship between refractive index and concentration.
The necessity of a standard light source box in visual color comparison and color difference assessment of coatings.
In the production of coatings, accurate color evaluation is crucial. Visual color comparison is easily affected by light, as natural light is unstable, and different lighting conditions can make colors appear different.
Visual color comparison method using colorimetric tubes to determine the color phase of varnish.
Colorimetric tube visual colorimetry is a method used to determine the color hue tendency of varnish samples by directly comparing them with a standard color scale using the human eye. During operation, samples and standard liquid columns should be prepared using colorimetric tubes of consistent specifications under standard lighting conditions, and the hue differences should be observed in parallel.
Standardized ink color evaluation environment for visual color comparison cabinets
This article introduces the standardized application of visual color comparison boxes in ink color evaluation. It emphasizes that to ensure the accuracy and consistency of color judgments, the evaluation environment must be strictly controlled.
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.
Comparative Study of Lovibond Colorimeter and Iron-Cobalt Colorimeter
The Lovibond colorimeter and the iron-cobalt colorimeter are two widely used visual color measurement instruments in the industrial field. Both are designed based on the principle of standard color comparison, yet they exhibit significant differences in their specific implementation methods and application standards.
Application of Gardner Colorimeter in the Determination of Oil and Fat Color
The Lovibond tintometer determines the color of oils and fats by visually comparing them with standard glass color standards, with results expressed as numerical codes. During operation, clarified oil samples are poured into the colorimetric cell and compared with color chips under a stable light source.