What function does a manometer serve in power engineering?

A manometer is specifically designed to measure pressure differences within a system. In power engineering, understanding pressure is critical for ensuring safe and efficient operation of boilers, pumps, and various other equipment. The device typically consists of a U-shaped tube filled with liquid, and the difference in height of the liquid columns corresponds to the pressure differential being measured.

By providing a visual representation of pressure differences, a manometer allows engineers to monitor system performance, diagnose issues related to flow or leaks, and maintain proper operating conditions. Effective pressure regulation is key to the overall efficiency and safety within power plants and other industrial facilities.

The other functions listed—regulating flow rates, controlling temperature, and determining water quality—are important in the field, but they are not the primary purpose of a manometer. Instead, these functions are managed by other instruments designed for those specific tasks.