即使压力超过其测量范围的上限，具有过载保护或超量程保护的压力表也不会受到损坏。过载保护在旨在防止因超压引起的危险情况而设计的设备中具有特殊优势，例如压力控制器和压力开关。

　　原文：

　　A pressure gauge that is overload protected or overrange protected does not suffer damage even if pressures exceed the upper end of its measuring span. Overload protection is a particular advantage in devices designed to prevent dangerous situations caused by overpressure, such as pressure controllers and pressure switches.