PhotoMeter and Illuminance Meter

A photometer converts light signals into electrical signals using photosensitive elements to measure visible light illuminance. It is used to detect ambient light intensity, control lighting conditions in the printing industry, and monitor light dosage in plastic aging tests.
Selection
When selecting, consider the measurement range covering the usage scenario, the accuracy meeting detection needs, and the probe type being compatible with the light source being measured. Pay attention to the validity of the calibration certificate, and ensure the device's response time matches the temperature and humidity of the operating environment.

Terms

Standards

Instruments

Adopt high-power high-illumination LED Illuminant, Color temperature adjustment range 2300K-8500K, illuminance adjustment range 0-3000LX, no stroboscopic design life of more than 10,000 hours, uniform illumination surface can flexibly adjust the position angle.

$ 5366.00

The uniformity of the transmission surface exceeds 90%, the standard four-speed Color temperature is adjustable, the illuminance adjustment range is 0-120000Lux, and the thickness dimming knob is equipped to achieve precise control. Illuminant has no stroboscopic and the lifespan is more than 10,000 hours.

$ 5237.00

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

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 high-power LED Illuminant, Color temperature adjustment range 2300K-8500K, illuminance adjustment range 0-3000LX, life of more than 10,000 hours, uniform irradiation without stroboscopic.

$ 7464.00

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

Transmission surface uniformity of more than 93%, Color temperature adjustment range 2300K-8000K, Illuminance adjustable 0-160,000 Lux, Support Frequency adjustment 1-100KHz, life of more than 10,000 hours, can be connected through RS485 or WIFI computer control.

$ 5366.00

Measurement range 0-300μg/L, accuracy +/- 10μg/L +/- 4%, LED Illuminant and reference Detector ensure measurement Stability, IP67 waterproof standard.

$ 632.00

Measurement range 0-400 mg/L, Measurement range 0-150 mg/L, LED Illuminant and GLP functions ensure Measurement accuracy and repeatability.

$ 632.00

Dual channel LED digital display, using silicon Photocell, photovoltaic cell detection, measurement Repeatability relative standard deviation ≤ 2%, can simultaneously detect various elements of potassium, sodium, lithium, calcium and barium, the sample amount is small and Sensitivity is high.

$ 1493.00

Dual channel LED digital display, potassium and sodium can be detected at the same time, lithium calcium function expansion, silicon Photocell, photovoltaic cell detection accuracy is high, Linearity ≤ 0.07, detection limit is as low as 0.004mmol/L, sample volume is small Sensitivity is high, flameout protection is safe and reliable.

$ 1493.00

Photocell, photovoltaic cell detection to ensure accurate and stable measurement, potassium and sodium detection limit of 0.004mmol/L and 0.008mmol/L, Response Time is less than 8 seconds, support lithium calcium detection function.

$ 904.00

Silicon Photocell, photovoltaic cell detection to ensure accurate and stable measurement, potassium and sodium detection limit of 0.004mmol/L and 0.008mmol/L, support lithium calcium detection function, small sample and Sensitivity.

$ 961.00

Silicon Photocell, photovoltaic cell detection to ensure accurate and stable measurement, potassium and sodium can be detected at the same time and have lithium calcium detection function, small sample Sensitivity, Response Time is less than 8 seconds, with flameout protection function safe and reliable.

$ 677.00

Silicon Photocell, photovoltaic cell detection to ensure accurate and stable measurement, can simultaneously detect potassium, sodium, lithium, calcium and barium elements, small sample Sensitivity, with automatic ignition and flameout protection function safe and reliable.

$ 1493.00

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.
In the selection of illuminance meters, sensor type and measurement range are key considerations.
This article introduces the key points for selecting sensor types and measurement ranges when choosing an illuminometer.
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.
Determination of free amino acid content in protein solutions using a microtitration apparatus.
This article introduces a method for determining the free amino acid content in protein solutions using a microtiter plate reader. It is based on the ninhydrin color reaction, where amino acids react with the reagent under specific conditions to produce colored compounds, and the concentration is calculated by measuring the absorbance.
Operating Specifications for the Determination of Hexavalent Chromium Content in Wastewater Using Colorimetric Titration Apparatus
This article introduces the standard operating procedure for determining hexavalent chromium content in wastewater using a colorimetric titrator. The method is based on the reaction between hexavalent chromium and diphenylcarbazide under acidic conditions to form a purplish-red complex, with the titration endpoint determined by monitoring changes in absorbance at a wavelength of 540 nanometers.
Wavelength selection for the determination of sulfate content in water quality using photometric titrator
This article discusses how to select the wavelength when using a photometric titrator to determine the sulfate content in water. The core issue lies in the fact that wavelength selection directly affects the accuracy and anti-interference capability of the detection.
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.
The role of spectrophotometers in ink color matching
The spectrophotometer objectively quantifies color by measuring the spectral data of ink. Based on the Lambert-Beer law, it converts color into calculable spectral values, replacing traditional methods that rely on the human eye and experience.
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.
Determination of Chromaticity Value of Pulp by Spectrophotometry
This article introduces the method for determining pulp chromaticity using spectrophotometry. It first explains the importance of chromaticity for pulp quality, then details the basic principles of spectrophotometry, which quantifies color by measuring the reflection of light from the pulp, typically expressed using the CIELAB color system.
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.