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Product Description: Digital TDS Meter Model 651 (EI-DVI):
Overview and Reliability:
The Electronics India (EI-DVI) Digital TDS Meter Model 651 is a robust and accurate benchtop instrument specifically designed for the precise measurement of Total Dissolved Solids (TDS) in various aqueous solutions. This instrument utilizes the latest microcontroller technology to ensure highly stable and reliable readings across its entire operational range.
Advanced Measurement Features:
The Model 651 is engineered for ease of use and high performance:
• Microcontroller Based: This technology provides precise and reliable operation.
• Auto Ranging Facility: The instrument automatically selects the appropriate range from five available options, streamlining the measurement process and eliminating manual switching errors. The measurement capability spans from 200 ppm up to 1000 ppt (parts per thousand).
• High Resolution Display: Measurements are clearly presented on a bright, highly visible 3½ Digit Bright Red LED Display.
• Cell Constant Management: The meter features a facility for automatic measurement of the cell constant using a known standard solution. Additionally, the cell constant value is flashed on the digital display and can be manually adjusted from the front panel for calibration flexibility.
Technical Specifications Highlights:
The Model 651 offers exceptional precision, featuring a resolution of 0.1 ppm in its lowest range, ensuring detailed readings when monitoring low salt concentrations. The standard accessory supplied is a Platinum DIP Type measuring cell, calibrated to a cell constant of approximately 1.0.
It includes manual temperature compensation, allowing for accurate readings across a standard laboratory temperature range of 0 to 50°C.
Essential Applications:
This digital TDS meter is an extremely useful instrument for monitoring salt content in water and soluble salts found in soils. Its reliability makes it ideal for critical quality control and research functions in diverse fields, including:
• Agriculture and soil analysis labs
• Swimming pools
• Fertilizer manufacturing plants
• Mineral water plants
• Petroleum refineries
• Textile industries
Technical Specifications (Model 651):
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Specification
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Details
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Model Name/Number
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651
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Brand
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EI / Electronics India (EI-DVI)
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Type
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Digital TDS Meter (Table Model/Laboratory Model)
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Technology
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Microcontroller Based
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Measurement
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TDS (Total Dissolved Solids)
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Display
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3½ Digit Bright Red LED Display (Seven Segment)
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TDS Ranges (5)
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0 – 200 ppm, 0 – 2.000 ppt, 0 – 20.00 ppt, 0 – 200.0 ppt, 0 – 1000 ppt
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Range Selection
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Automatic (Auto Ranging Facility)
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Resolution (TDS)
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0.1 ppm (in the lowest range)
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Accuracy (TDS)
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±0.5 % FS ± 1 Digit
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Temperature Compensation
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Manual: 0 to 50°C
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Cell Constant
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Adjustable on Digital Display; Auto Cell Constant facility available using a standard solution
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Measuring Cell
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Platinum DIP Type (supplied with cell constant of 1.0 approx.)
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Power
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12V DC using Adapter (230 ± 10% AC Adaptor or 110 to 250V AC, 50 Hz)
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Weight
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0.8 Kg approx.
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Dimensions (L x B x H)
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270 x 202 x 80 mm (approx.)
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Accessories Included
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TDS Cell, Operation Manual, Cell Stand, Dust Cover, 12V Adapter
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