Typically, cycling power meters use strain gauges to measure the torque applied to the pedals, which when combined with angular velocity, can be used to calculate a rider's power in watts.

The best power meters provide reliable data you can trust in a compact package sealed from the elements, so you can ride better and faster ...

Your television is off, but it may still be sipping energy and running up your utility bill. Using one of 49 energy meters available for free checkout from the Hennepin County Library system, you can ...

Check the Electrical Power Meter Mar 1, 2010 12:00 PM, By Chriss Scherer Tech Tips, March 2010 Feeling the power Ben Weiss, CPBE, a contract engineer in Kansas City, MO, told me about a recent ...