A piezoresistive pressure sensor features a fully welded stainless-steel structure with high precision, high stability, low power consumption, and built-in temperature compensation. With a wide frequency response, good linearity, and strong environmental adaptability, it can be customized in both interface size and pressure range. It is widely used in refrigeration and compression equipment, hydraulic systems and valves, automotive applications, process control systems, marine systems, and liquid level measurement.