Microprocessor Photo Colorimeter
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Microprocessor Photo Colorimeter
Description
Microprocessor Photo Colorimeter
The microprocessor photo colorimeter is an advanced analytical instrument used extensively in various scientific fields, particularly in chemistry and environmental monitoring. With the integration of microprocessor technology, this device enhances accuracy, efficiency, and reliability in measuring the concentration of colored solutions. The microprocessor photo colorimeter operates by passing light through a sample and measuring the intensity of transmitted light, which correlates with the concentration of the analyte.
This high-performance photometric device uses high-class standard wide-range glass filters covering the 400–700 nm wavelength range, delivering exceptionally accurate results. The filter selection is controlled by a rotating disc equipped with 8 filters. An automatic shutter is incorporated to block light from reaching the photocell when a test tube is not inserted, significantly enhancing the photocell’s lifespan.
Specifications
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Wavelength Range: 400 – 700 nm
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Resolution: %T: 1, Absorbance (Abs): 0.01, Concentration: 1, K Factor: 1
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% Transmission Range: 0 – 100% T
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Absorbance Range: 0 – 1.99 A
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Concentration Range: 0 – 19,999
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K Factor Range: 1 – 19,999
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Photo Detector: Silicon Photodiode / Photo Cell
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Display: 16×2 line alphanumeric LCD display for %T, Absorbance, Concentration, and K Factor
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Keyboard: 8-key, soft-touch membrane type
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Data Storage: Up to 100 samples
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Light Source: LED
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Sample System: 10 mm path length matched glass test tubes
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Filters Provided: 400, 450, 490, 520, 540, 570, 620, 680 nm
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Printer Interface: Compatible with any dot matrix printer
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Dimensions: 250 × 240 × 90 mm
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Weight: Approximately 3 kg
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Power Supply: 230V AC ±10%, 50 Hz, with in-built stabilizer
Accessories Included
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Set of 5 matched test tubes
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Mains lead
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Operation manual
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Dust cover
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Test tube stand
Microprocessor photo colorimeters are widely recognized for their precision in quantitative analysis, making them essential tools in laboratories, educational institutions, and industrial applications. The working principle centers around Beer's Law, which states that the absorbance of a solution is directly proportional to its concentration. By employing a light source, typically an LED or a tungsten lamp, the device illuminates the sample at a specific wavelength corresponding to the absorption maximum of the analyte.
These instruments feature a compact design, making them portable and user-friendly, significantly improving the workflow in laboratory settings. The interface often includes an LCD screen for displaying measurements and intuitive controls for users to navigate through different settings, such as wavelength selection, sample measurement, and calibration. Additionally, modern microprocessor photo colorimeters are equipped with memory storage capabilities, allowing for the logging of results for future reference.
Applications of microprocessor photo colorimeters extend across various disciplines. In environmental science, they are utilized to assess water quality by measuring parameters such as turbidity, concentration of pollutants, and nutrient levels. In clinical laboratories, these devices aid in the analysis of blood samples and other biological fluids to detect diseases or monitor health conditions. Furthermore, in educational settings, they serve as crucial teaching tools that help students understand concepts related to light absorption and chemical concentration.
One of the significant advantages of the microprocessor photo colorimeter is its ability to perform measurements quickly and accurately, thus reducing the turnaround time for analysis. The integration of microprocessor technology has also enabled advanced features such as automatic wavelength selection, real-time data processing, and the ability to perform multiple measurements rapidly. This not only simplifies the user experience but also reduces the likelihood of human error during analysis.
Calibration of the microprocessor photo colorimeter is straightforward. Users typically prepare standard solutions of known concentrations and measure their absorbance values. These values are then plotted to create a calibration curve, which the instrument uses to determine unknown concentrations in samples. Most devices come with a built-in calibration function that streamlines the process, ensuring consistent accuracy across various measurements.
The microprocessor photo colorimeter's versatility is enhanced by its capability to perform colorimetric tests across a broad range of samples. Users can analyze liquids of different viscosities and turbidity levels without significant adjustments to the device. Some models even allow for the analysis of solid samples by utilizing specific sample holders that facilitate light passage, broadening the scope of applications for this technology.
In conclusion, the microprocessor photo colorimeter stands out as a vital instrument in modern scientific research and analysis, offering unmatched precision and ease of use. Its contributions to the fields of chemistry, biology, environmental science, and education make it an indispensable tool for professionals and students alike. As technology continues to advance, we can expect further innovations that will enhance the functionality and capabilities of microprocessor photo colorimeters, propelling scientific inquiry to new heights.
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