What are the advantages for mechanical pressure gauge?

Mechanical pressure gauges offer several advantages, including simplicity and reliability, as they have no electrical components that could fail. They provide real-time readings without the need for power sources, making them suitable for a wide range of applications. Additionally, mechanical gauges are generally more durable and can withstand harsh environments, making them a cost-effective choice for many industrial settings. Their analog display also allows for quick visual assessment of pressure levels.