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Product Overview: High-Precision Turbidity Measurement:
The Digital Turbidity Meter Model 331 (EI-DVI) is an essential benchtop instrument meticulously designed for accurate measurement of suspensions in liquids. Turbidity refers to the cloudiness or haziness of a liquid, caused by the presence of suspended particles such as silt, clay, algae, or bacteria.
Clarity of water is crucial for products intended for human consumption, such as beverages and food products, and minimum turbidity limits must be adhered to in drinking water and sewage disposals. The Model 331 provides the necessary precision and reliable performance for monitoring water quality and ensuring compliance with regulatory standards.
Core Features:
The Model 331 includes several key features that ensure high performance and user efficiency:
• Reliable & Accurate Results: Engineered to deliver consistent and trustworthy measurement data.
• Wide Measurement Range: Capable of measurements up to 1000 NTU (Nephelometric Turbidity Units).
• Clear Display: Equipped with a 3½ Digit 7-Segment LED display for clear and immediate readout of results.
• Essential Applications: Ideal for rigorous water quality assessment, including sewage and drinking water testing.
• Robust Detection System: Utilises a photodiode detector for precise light scattering measurement.
• Included Accessories: Supplied complete with a set of test tubes, an operation manual, and a dust cover for long-term maintenance.
Measurement Principle:
The Model 331 Digital Turbidity Meter functions based on the principle of light scattering. When a sample solution containing suspended particles is placed within the instrument, a light source emits a focused beam through the sample contained in a clear glass test tube.
The particles within the solution scatter the light, which is then detected by a highly sensitive photocell or photodiode detector positioned at a right angle (90 degrees) to the focused light path. The intensity of this scattered light is directly proportional to the turbidity level of the sample. This measurement is then amplified and instantaneously displayed on the digital screen, providing the turbidity level in NTU.
Technical Specifications (Model 331):
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Specification
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Detail
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Product Type
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Digital Turbidity Meter (Model 331)
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Display
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3½ Digit 7-Segment LED
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Range
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0 – 1000 NTU (in 2 Ranges: 0 – 200 NTU, 1000 NTU)
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Resolution
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1 NTU
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Accuracy
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± 3% FS, ± 1 Digit
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Detector
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Photodiode / Photocell
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Light Source
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IR LED
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Sample System
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60 x 25 mm Clear Glass Test Tubes
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Power Supply
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230 V ± 10% AC, 50 Hz
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Dimensions (L x B x H)
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245 x 260 x 125 mm (Approx.)
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Accessories Included
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Test tube Set of 5, Operation Manual, Dust Cover
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Manufacturer
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Electronics India (EI-DVI)
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