There is a basic method for measuring high-frequency power using a power meter and power sensor (Fig. 1). The power sensor converts high-frequency power to a dc or low-frequency signal that the power ...

Most residences and commercial buildings in the United States currently use an old-style electromechanical utility power meter to track electricity use. The meters are reliable and cheap but ...

For a long time, power meters were built using a combination of a base unit and an external power sensor connected via a cable. The RF signal was converted to a voltage signal in the power sensor, ...

These Rotor cranks are light, stiff, and beautiful to look at. The chainrings that go with them have a clever mounting system that will ensure you never have a scratched frame, or creaking because of ...