Digital Melting Point Apparatus

About Digital Melting Point Apparatus

The Digital Melting Point Apparatus is a precision laboratory instrument designed for accurate determination of the melting point of solid substances. It is widely used in chemical, pharmaceutical, food, and research laboratories for quality control and material identification.

The apparatus features a microprocessor-based temperature control system with a digital display, ensuring precise heating and reliable measurement. Samples are placed in capillary tubes and heated uniformly, allowing clear observation of melting behavior. Modern models offer programmable heating rates and high-resolution temperature readings for enhanced accuracy.

Key Features

• Digital temperature display for easy reading
• Microprocessor/PID based temperature control
• High accuracy and uniform heating
• Capillary tube method for precise observation
• Adjustable heating rate (0.5C to 5C or more)
• Compact, user-friendly design
• Suitable for single or multiple sample testing

Technical Specifications

• Temperature Range: Ambient to 300C / 350C (varies by model)
• Resolution: Up to 0.1C
• Accuracy: 0.5C or better
• Sensor: PT-100 / Platinum resistance sensor
• Display: Digital LED/LCD
• Operation: Semi-automatic / Fully automatic

Applications

• Pharmaceutical laboratories for drug purity testing
• Chemical industries for compound identification
• Food and polymer testing laboratories
• Academic institutions and research labs

Working Principle

The sample is filled in a capillary tube and heated at a controlled rate. The temperature at which the substance changes from solid to liquid is recorded as its melting point. Digital systems ensure stable heating and precise detection, reducing human error and improving repeatability.