An instrument gas panel is used to regulate and distribute gases to instruments like analysers and sensors in industrial settings. It ensures the correct pressure, flow rate, and purity of the gas, which is essential for accurate instrument performance. The panel often includes regulators, filters, and safety features like pressure relief valves and alarms to prevent hazards and maintain safe operations. Overall, it ensures that the right gas is delivered in a controlled, clean, and safe manner to support various analytical or monitoring processes.