Photoelectric PhotoMeter

The photoelectric photometer irradiates the sample with a light source, detects the intensity of transmitted light using a photoelectric tube, and calculates the concentration of substances based on the Lambert-Beer law. It is used to measure the absorbance of solutions and analyze component content in fields such as chemical engineering and environmental protection.
Selection
When selecting, consider matching the measurement wavelength range with sample characteristics, ensure the detection limit and linear range meet testing requirements, verify instrument stability and calibration methods, adapt to the sample cell type, and confirm that the data interface complies with recording requirements.

Terms

Standards

Instruments

Using photoelectric detection and automatic dial display, the measurement range is +/- 45 °, the minimum reading is 0.001 °, and the low optical rotation sample can be accurately analyzed, and the operation is simple.

$ 1380.00

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

Using photoelectric detection technology to achieve automatic measurement, linear heating rate adjustable eight, Temperature range to 400 ℃, accuracy of +/- 0.5 ℃, in line with pharmacopoeia specifications.

$ 1501.00

Using photoelectric automatic equilibrating principle, measurement range +/- 45 ° optical rotation and +/- 120 ° Z sugar content, minimum reading +/- 0.001 °, equipped with color LCD Touchscreen and USB interface, support automatic retest 6 times and calculate the average value.

$ 1752.00

High Accuracy photoelectric induction switch and precision screw drive, the load can be stacked 500/750/1000g, the test angle is 45 °, the operation is accurate and stable, in line with a variety of international standards.

$ 929.00

With photoelectric detection and automatic measurement function, Temperature range RT +~ 320 ℃, resolution 0.01 ℃, eight linear heating rate optional, support melting Linear dispersion recording and average calculation.

$ 1501.00

With photoelectric detection and eight linear heating rate, Temperature range RT +~ 400 ℃, accuracy +/- 0.2 ℃, automatic recording of molten Linear dispersion and calculation of average value, no manual monitoring.

$ 1648.00

Using photoelectric automatic detection and PID adjustment technology, temperature range RT +~ 300 ℃, resolution 0.1 ℃, can automatically calculate the average melting point and record the melting Linear dispersion, support three capillary tubing simultaneous measurement.

$ 2397.00

Using photoelectric automatic detection technology, the temperature resolution reaches 0.1 ℃, the temperature control system applies PID regulation and PWM technology to improve the measurement accuracy and reliability, and supports automatic recording of initial melting and final melting results.

$ 1855.00

With photoelectric non-contact and contact dual measurement function, Measurement range photoelectric 2.5~ 99999rpm, contact 0.5~ 19999rpm, automatic memory MAX Maximum, MIN Minimum and last value, rugged and portable structure, support USB and Bluetooth data output.

$ 267.00

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 parallel illumination hemispherical scattering integrating sphere photoelectric receiving mode, the accuracy of light transmitance and haze display is 0.01%, equipped with thin film magnetic fixture and liquid sample Cup, and supports 2000 sets of data storage.

$ 3882.00

Using photoelectric automatic detection and PID adjustment technology, temperature range RT +~ 320 ℃, resolution 0.1 ℃, automatically display the initial and final melting and record the melting Linear dispersion, improve measurement accuracy and reliability.

$ 1526.00

Using photoelectric detection technology automatic measurement melting point, accuracy of +/- 0.2 ℃, support eight linear heating rate and platinum resistance Sensor, without manual monitoring can work stably.

$ 1190.00

Using photoelectric automatic detection and PID adjustment PWM temperature control technology, the temperature resolution reaches 0.1 ° C, the heating rate is continuously adjustable from 0.1 to 20 ° C/min, and supports the simultaneous measurement of 3 capillary tubing and automatically saves 1000 sets of data.

$ 2629.00

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.
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.
Phosphor films and quantum dot coatings are uniformly applied using a coating machine.
This article introduces the significance of phosphor films and quantum dot coatings in optoelectronics and display technologies, highlighting that their performance depends on the uniformity, thickness, and density of the coatings.