Showing results: 1 - 8 of 8 items found.
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MRC ltd.
A refractometer is a laboratory or field device for the measurement of an index of refraction (refractometry). The refractive index of a certain sample varies for nearly all materials for different wavelengths. This dispersion relation is characteristic for every material. Temperature has a very important influence on the refractive index measurement. Therefore, the temperature of the prism & the temperature of the sample have to be controlled with high precision.
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Fuzhou Zhongtuo Optoelectronic Co.,Ltd
Gem Tester Refractive index is one of most important optical parameter. Gloss of gem can be estimated by the parameter.The kinds of gem can be precisely determined in accordance with the measured value of refractive index because every kind of gem has its inherent refractive. Besides, index of double refraction can be also measured. Through the parameter you can judge whether a gem is uniaxial or biaxial photopositive or photonegative.
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Fuzhou Zhongtuo Optoelectronic Co.,Ltd
Gem Tester Refractive index is one of most important optical parameter. Gloss of gem can be estimated by the parameter.The kinds of gem can be precisely determined in accordance with the measured value of refractive index because every kind of gem has its inherent refractive. Besides, index of double refraction can be also measured. Through the parameter you can judge whether a gem is uniaxial or biaxial photopositive or photonegative.
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FuZhou Auyat Optoelectronic Technology Co.,Ltd.
Gem tester refractive index is one of most important optical parameter. Gloss of gem can be estimated by the parameter. The kinds of gem can be precisely determined in accordance with the measured value of refractive index because every kind of gem has its inherent refractive. Besides, index of double refraction can be also measured. Through the parameter you can judge whether a gem is uniaxial or biaxial photopositive or photonegative. The gemological refractometer is characterized by small volume and less weight. It is easy to carry. It is a popular instrument used in jewelry market.
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MRC ltd.
The oscillating U-tube densitometer method is a technique to determine the density of liquids and gases based on an electronic measurement of the frequency of oscillation, from which the density value is calculated.Density meters work by measuring the oscillation of a glass tube containing the sample.Specific gravity and refraction index can be measured. They are used in many industries such as: oil, chemical, food and beverage industries for quality control and research and development.
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10717A -
Keysight Technologies
The Keysight 10717A Wavelength Tracker tracks changes in the air's index of refraction to optically compensate for environmental changes. It uses one axis of a laser measurement system to report wavelength of light changes, not changes in position. It is used to correct displacement values reported by other measurement axes in the system, hence improving measurement accuracy. It provides a higher degree of accuracy than environmental sensors such as the 10751C and 10751D Air Sensors.
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DRK6611 -
Shandong Drick Instruments Co., Ltd.
Abbe refractometer can test the refractive index of transparent and translucent liquid or solid,nD and the average dispersion nD-nC (which measured transparent liquid ),if connected to the thermostat, can determine refraction rate nD within temperature 10 β δΈ50 β. It uses visual collimation, optical dial readings, temperature display,simple and reliable. The base is made of stainless steel material and prism is made of hard glass, not easy to wear
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DRK6618 -
Shandong Drick Instruments Co., Ltd.
DRK6618 digital V prism refractometer is a high precision multi domestic first growth range digital refractometer, to refractive index of transparent or translucent solid or liquid material ratio, average dispersion, dispersion (i.e.can refraction determination of 706.5nm, 656.3nm, 589.3 nm, 546.1 nm, 486.1 nm, 435.8 nm, 434.1 nm, and 404.7 nm of eight commonly used wavelengths rate) and the mass fraction of sugar solution (Brix) instrument forfast and accurate determination of. A friendly operation interface, high testing speed, good repeatability, temperature correction, data storage, U disk storage, and USB communication interface function. Because the index of refraction is one of the most important optical constants of material, can in order to understand the optical properties of the material, such as purity, so it is one of the scientific research units, universities and the optical glass industry the necessary equipment, but also widely used in petroleum, chemical, pharmaceutical, sugar, food industry, and other industries.
