KELVIN BRIDGE (STUDENT MODEL) | Precision Resistance Measurement Apparatus for Low Resistance Experiments

Description

The Kelvin Bridge (Student Model) is a precision laboratory instrument designed to accurately measure low resistance values using the Kelvin double bridge principle. Specially developed for educational purposes, this apparatus helps students understand the limitations of the Wheatstone bridge and the advantages of Kelvin’s method in eliminating lead and contact resistance errors.
Ideal for physics laboratories, electrical engineering labs, polytechnic institutes, and undergraduate teaching laboratories.
✅ Key Features
⚡ Accurate Low Resistance Measurement
Designed for measurement of very low resistances
Eliminates errors due to lead and contact resistance
Demonstrates the Kelvin double bridge working principle clearly
🔬 Educational Student-Friendly Design
Specially calibrated for academic laboratory use
Simple layout for easy understanding and operation
Enables step-by-step learning of resistance measurement techniques
📊 High Precision & Sensitivity
Uses known ratio arms and standard resistance
Ensures reliable and repeatable results
Suitable for verification of theoretical concepts through practical experiments
🧱 Rugged & Durable Construction
Heavy-duty base with clearly marked terminals
High-quality resistance elements
Designed to withstand repeated student handling
🔌 Compatible with Standard Lab Accessories
Works with sensitive galvanometer
Requires low-voltage DC power supply or battery
Easy integration into existing physics lab setups
🛡 Safety & Reliability
Low-voltage, student-safe operation
Stable readings with minimal drift
Long service life with minimal maintenance
📘 Typical Applications
Measurement of low electrical resistance
Study of Kelvin double bridge principle
Comparison with Wheatstone bridge method
Physics and electrical engineering laboratory experiments
Undergraduate and diploma practical courses
💡 Why Choose This Apparatus?
Accurate measurement of very small resistance values
Excellent teaching aid for understanding precision resistance measurement
Simple, robust, and easy to operate
Essential experiment in physics and electrical measurement laboratories