Wavelength-Scanning PhotoMeter

Scanning spectrophotometers analyze samples by continuously varying the wavelength to measure the absorption or transmission of light at different wavelengths. They are used to analyze material color characteristics, component concentrations, and chemical reaction processes. In the paint and ink industry, they are employed for color difference detection, while in the plastics and paper sectors, they are used for quality control.
Selection
When selecting, consider that the wavelength range should cover the characteristic bands of the sample to be tested, the spectral bandwidth should match the detection accuracy requirements, and the scanning speed should be suitable for the measurement scenario. Pay attention to baseline stability and stray light indicators, ensure that the accompanying software functions meet data analysis requirements, and that the sample chamber dimensions are compatible with conventional testing containers.

Terms

Standards

Instruments

Measurement accuracy of +/- 0.5mg/L +/- 5% of readings using 420nm wavelength Illuminant, support CAL Check performance verification and GLP data management, built-in reaction Timer to ensure conformity of results.

$ 632.00

Equipped with a large screen LCD graphic display, can accommodate 5-100mm Cuvette, wavelength Precision +/- 0.3nm, with automatic wavelength Adjustment, supports multiple test modes including Light spectrum scanning and kinetic testing.

$ 1397.00

Using 1200L/mm High Performance Grating and Imported Illuminant, Stray Light as Low as 0.03% T, Wavelength range 190-1100nm, Support Automatic Wavelength Setting and Multiple Measurement modes to Ensure High Accuracy and Stability.

$ 2575.00

Using electromagnetic wave scanning technology, high frequency scanning depth 50mm, Measurement range 0-99.9%, Response Time 1 second, no contact can be measured without damage to the internal moisture content of the object.

$ 225.00

Colorimetric analysis is achieved using a pre-measurement design, which reacts with nickel to form a blue complex. Measurement range covers 0.00 to 7.00 g/L, and it is suitable for a variety of Photometer instruments.

$ 540.00

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

The device can quantify the liquid transparency level, the wavelength range is 340-1000nm, the transmittance accuracy is +/- 1%, the operation is simple and convenient, and it is suitable for detecting impurities and turbidity.

$ 751.00

Measurement accuracy of +/- 2% F. S, viscosity range of 1~ 2000000mPa · s, with automatic scanning function and automatic stop measurement, support multi-rotor specifications and eight Rotation speed switching.

$ 559.00

Using microcomputer drive technology and imported stepper motor, Rotation speed is accurate and stable, viscosity range 1~ 100000mPa · s, with automatic scanning function, can automatically recommend rotor and Rotation speed combination, improve measurement efficiency.

$ 465.00

Measurement range of 0.00~ 3.00 mg/L using Nessler method, adding 4 drops of Reagent each time can quickly react to color rendering, compatible with direct reading of Photometer, providing 100 stability testing.

$ 212.00

Using professional mechanical design and microcomputer control technology, Measurement accuracy of +/- 2% F. S, with automatic scanning function to intelligently select rotor and Rotation speed, support RS-232 communication and temperature sensor interface expansion.

$ 520.00

Using electromagnetic wave scanning technology implementation nondestructive detection, Measurement range 0-70%, Response Time only 1 second, support 10 kinds of material code selection and temperature compensation function.

$ 167.00

Adopt imported stepper motor to ensure smooth speed, measurement accuracy of +/- 1% F.S, repRoducibility of +/- 0.5% F.S., support automatic scanning function to help select the appropriate Rotor speed, suitable for accurate measurement of low viscosity fluids.

$ 620.00

Using electromagnetic wave scanning technology, measurement depth of 60mm, accuracy +/- 0.5%, Response Time of 1 second, no damage to the surface of the object, support 10 kinds of measurement code selection, automatic temperature compensation.

$ 169.00

Using microcomputer drive technology and imported stepper motor, speed range 0.3-60 rpm, viscosity measurement range 1-2000000mPa · s, with automatic scanning function, can automatically prompt the best Rotor speed combination to ensure High Accuracy and repeability.

$ 514.00

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.
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.
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.
Key Technical Points for Determining Arsenic and Mercury in Water Using Atomic Fluorescence Spectrophotometry
This article introduces the key techniques for determining arsenic and mercury in water using an atomic fluorescence spectrometer. The experiment requires attention to safety precautions, regular maintenance of the instrument, and proper disposal of waste liquids.
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.