Model Digital Potentiometer with Platinum Electrode (EI-DVI Model 119):
Introduction:
The Digital Potentiometer, Model 119, is a precision instrument designed for performing potentiometric measurements. It offers a direct digital readout displayed in millivolts (mV) on a 3½ digit LED display. This device is renowned for being Highly Stable & Accurate, providing high accuracy and high sensitivity for analytical measurements. It is engineered to be rugged and economical for extended use in professional environments.
Key Features and Benefits:
The Model 119 provides numerous features that enhance laboratory measurement processes:
• Digital Readout: Results are displayed clearly on a 3½ Digit 0.5” seven segment LED display, providing a direct digital readout.
• High Performance: This instrument is designed to be highly accurate and stable, making it a precision tool for electrical and electrochemical measurements.
• Measurement Range: It features dual measurement ranges, spanning from millivolts up to nearly ± 2000 mV.
• High Input Impedance: The instrument maintains an input impedance greater than 10¹² ohms.
• User-Friendly Design: The system includes auto polarity indication on the display. It is supplied with electrodes necessary for various titrations.
Technical Specifications (Model 119):
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Specification
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Value
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Model
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119
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Range
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0 to ± 199.9 mV / 0 to ± 1999 mV
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Resolution
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0.1 mV & 1 mV
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Repeatability
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±1 mV
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Accuracy
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±1 mV ±1 digit
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Input Impedance
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> 10¹² ohms
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Display
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3½ Digit 0.5” seven segment LED display with auto polarity indication
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Operating Temperature
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10°C to 45°C
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Power
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230 V ± 10% AC, 50Hz
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Dimensions (L x B x H)
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275 x 175 x 75 mm (Approx)
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Weight
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2.5 Kgs. (Approx.)
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Typical Applications:
The Model 119 is a versatile instrument essential in various educational, industrial, and research settings where precise voltage measurement in solutions is required.
• Potentiometric Titrations: Ideal for determining the concentration of unknown solutions by measuring the potential difference between two electrodes.
• ORP Titrations: Suitable for Oxidation-Reduction Potential titrations.
• Acid Base Titrations: Used for conducting precise acid-base titrations.
• Operating Environments: Widely utilized in Chemistry Labs, Pharmaceutical Industries, Colleges, and University Labs.
Standard Accessories:
The Digital Potentiometer Model 119 is supplied with the necessary components to begin operation immediately:
• Platinum Electrode – 1 No.
• Reference Electrode – 1 No.
• Electrode Stand & Clamp – 1 No.
• Dust Cover – 1 No.
