Shock Proof Lightweight Amplifier is provided with a built in 10 Volts precision reference generator, which is used for excitation of the load cell. The Amplifier is stable and accurate for long term measurement applications. The Amplifier is light in weight and used to bring music with a high fidelity sound. Shock Proof Lightweight Amplifier can also calibrated to suit the load cell response characteristics so that maximum sensitivity is available in measurement range.