Light Meter

A photometer measures the intensity of transmitted or reflected light by irradiating a sample with a light source and converting the optical signal into an electrical signal using a photoelectric converter. It is used for analyzing solution concentrations and colors, as well as determining substance content in environmental monitoring and food inspection.

Instruments

Light spectrum LED light source, support sample surface free positioning measurement, repeability accuracy ≤ E * ab ≤ 0.07, Measurement speed of only 1.0 seconds, lightweight and portable.

$ 2623.00

Provide adjustable illuminance and Color temperature visible light, Color temperature range 2300K-8000K, illuminance up to 3000LX, infrared wavelength 850nm optional, radiation intensity greater than 400uW/CM ², stable light color without stroboscopic, life over 10,000 hours.

$ 5850.00

Using 380-1000nm Light spectrum instrument to achieve comprehensive measurement of total light transmitance, haze, color coordinates, etc. Precision wavelength +/- 0.3nm, built-in integrating sphere coating stable and durable, a variety of fixtures to meet the needs of liquid solid sample testing.

$ 20729.00

Using parallel illumination hemispherical scattering integrating sphere photoelectric receiving system, the light transmitance haze accuracy is up to 0.01%, with A/C/D65 three light sources and vertical-lying dual-use observation mode, support USB interface data export, LED light source long life fast start.

$ 2010.00

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

Single beam of light Optical inspection system, Light spectrum Bandwidth 4nm, Wavelength range 340~ 1000nm, with automatic zero and 100% function, sealing grating monochromator to improve Metering accuracy and Stability.

$ 307.00

Temperature range of 0~ 50 ℃ and light intensity of 0~ 12000LX, support five-level light regulation and 99-segment program control, using PID intelligent temperature control system and pressure equilibrating refrigeration technology to ensure long-term continuous and stable operation.

$ 2612.00

Equipment provides a variety of standard illuminant options, maximum support three Illuminant, high CRI = 98, with Illuminant Timer, uniform lighting, easy to operate, suitable for Color Comparison.

$ 848.00

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

The three-in-one optical path design can simultaneously measure the transmittance of blue light at 430nm, purple light at 395nm and visible light, and the test aperture Φ 1mm is suitable for large thickness materials. Real-time dynamic self-Adjustment ensures accurate data.

$ 373.00

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

Color temperature adjustment range 2300K-8000K, illumination adjustment range 0-4000Lux, built-in mobile slide can move the camera front and rear, light source light board can swirl/spin to adjust the angle, provide a uniform lighting environment.

$ 5366.00

Optical inspection system with single beam of light, Light spectrum Bandwidth 4nm, Wavelength range 200-960nm, Support Transmittance, Absorbance and concentration direct reading Operating Mode, equipped with RS232 interface to connect external devices.

$ 670.00

With six-level adjustable light and 0.1 ℃ Temperature resolution, it can simulate the change of day and night temperature and Humidity, and supports 30 sets of program settings to ensure the safe and stable operation of the experiment.

$ 1845.00

Using the principle of polarized light interference, equipped with a quarter-wave plate compensation method, the measurement range of optical path difference is 0-589.44nm, and the measurement accuracy is +/- 4nm, which can realize qualitative observation and quantitative analysis at the same time.

$ 1923.00

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.