Dual-beam visible spectroPhotoMeter

A dual-beam visible spectrophotometer simultaneously measures by splitting the light source into sample and reference beams, offsetting the effects of light source fluctuations. It is used to determine the absorbance of substances in the visible light region and is suitable for analyzing solution concentrations, water quality testing, and monitoring chemical reaction processes.
Selection
When selecting, consider a wavelength range that covers the commonly used 400-700 nm, with bandwidth matching the detection accuracy requirements. Pay attention to baseline stability and stray light indicators to ensure the sample chamber size accommodates the detection containers. Verify the practicality of the automatic calibration function and data output interfaces.

Terms

Standards

Instruments

1200L/mm High Accuracy Grating and proportional dual beam of light paths, stray light as low as 0.03% T, equipped with automatic octagonal cell sample holder and 7-inch Touchscreen, support multi-wavelength and kinetic testing.

$ 2494.00

Dual beam of light path structure and 1600L/mm high performance grating, Wavelength range 190-1100nm, stray light ≤ 0.03% T, equipped with color Touchscreen and Automatic calibration function, support a variety of Data analysis and map processing operations.

$ 5237.00

Adopt standard double beam of light path structure, equipped with 1600L/mm high performance holographic blazing grating and imported photoelectric converter, wavelength Precision +/- 0.5nm, stray light ≤ 0.03% T, with Automatic calibration wavelength error function.

$ 4592.00

Adopt standard double beam of light path structure, equipped with 1600L/mm high performance holographic blazing grating, wavelength Precision +/- 0.3nm, stray light ≤ 0.03% T, with Automatic calibration wavelength error function, support a variety of data map processing.

$ 4914.00

Dual beam of light path structure with 1600L/mm holographic blazing grating, Wavelength range 190-1100nm, stray light ≤ 0.03% T, equipped with Touchscreen and dedicated Software support map data processing.

$ 5883.00

Proportional double beam of light monitoring and Holographic grating, wavelength Precision +/- 0.5nm, stray light ≤ 0.15% T, support automatic zero adjustment and eight Sample Chamber linkage, easy and reliable operation.

$ 2252.00

1200L/mm UV dedicated grating ensures low stray light and high resolution, proportional dual beam of light design supports a variety of test functions, equipped with automatic octagonal cell sample holder and 7-inch Touchscreen, Wavelength range 190~ 1100nm.

$ 4592.00

Adopt dual beam of light path structure and 1600L/mm holographic blazing grating, wavelength Precision +/- 0.3nm, stray light ≤ 0.03% T, equipped with color Touchscreen and special software, support a variety of data processing and comparison analysis functions.

$ 5883.00

1200L/mm UV dedicated grating to ensure low stray light and high resolution, proportional double beam of light design with automatic octave cell sample holder to improve test efficiency, with automatic wavelength correction function and a variety of test modes.

$ 3268.00

1200L/mm UV dedicated grating and proportional double beam of light design, Wavelength range 190~ 1100nm, stray light ≤ 0.03% T, support automatic correction of wavelength error and a variety of test functions to ensure High Accuracy and Long-term Stability.

$ 2494.00

Proportional double beam of light path and Holographic grating, stray light ≤ 0.15% T, Wavelength range 190~ 1100nm, support automatic zero adjustment and eight Sample Chamber linkage, with professional power-off protection function.

$ 2591.00

1200L/mm UV dedicated grating and proportional double beam of light design, stray light ≤ 0.03% T, equipped with 10cm sample holder and automatic octet cell, support wavelength scanning and a variety of test modes.

$ 3623.00

Adopt double beam of light path structure with 1600L/mm blazing grating, stray light ≤ 0.03% T, equipped with color Touchscreen and special software, support map four arithmetic and data export function, with automatic wavelength calibrating mechanism.

$ 5399.00

Single beam of light grating system, Wavelength range 340~ 1000nm, Light spectrum Bandwidth 4nm, sealing grating monochromator design to improve Stability and Metering accuracy, automatic adjustment 0% and 100% function to simplify operation.

$ 270.00

Single beam of light grating system, Wavelength range 340~ 1000nm, Light spectrum Bandwidth 4nm, with automatic zero and 100% function, sealing type grating monochromator mildew-proof design, improve Stability and Metering accuracy.

$ 344.00

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.
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.
Xenon lamp aging test chamber for testing coating weatherability.
Xenon lamp aging test chambers accelerate the testing of weather resistance for materials such as coatings in the laboratory by simulating the ultraviolet, visible, and infrared portions of sunlight, while controlling conditions like temperature, humidity, and water spray.
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.
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.
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.
Practical Application of Spectrophotometer in COD, Ammonia Nitrogen, and Total Phosphorus Determination
This article introduces the practical applications of spectrophotometers in measuring key water quality indicators—Chemical Oxygen Demand (COD), Ammonia Nitrogen, and Total Phosphorus.
Application of UV-Visible Spectrophotometer in the Detection of Heavy Metals in Water
This article introduces the application of ultraviolet-visible spectrophotometry in the detection of heavy metals in water.
How to Choose the Right Spectrophotometer
When selecting a spectrophotometer, it is essential to start from the actual analytical needs, clearly defining the required wavelength range (ultraviolet, visible, or infrared) and the type of detection. Key evaluations should focus on core specifications of the optical system, such as wavelength accuracy, beam type, and stray light levels.