Pakistan (/ËpÃ¦káµ»stÃ¦n/ or /pÉËkáµ»ËstÉËn/; Urdu: Ù¾Ø§Ú©Ø³ØªØ§Ùâ), officially the Islamic Republic of Pakistan, is a federal parliamentary republic in South Asia on the crossroads of Central Asia and Western Asia. It is the sixth-most populous country with a population exceeding 200 million people.
Spectrometers for Laser Measurement. These miniature rugged spectrometers are calibrated to measure and track laser frequency and centroid wavelength and/or total power of lasers in Watts. Currently, StellarNet offers laser measurement systems in the 200-2300nm range.
Electric power is the rate at which an electrical circuit transfers  electric energy. The SI unit of power is the watt which is one  joule per second. Wattage, Watts, and (W) are what power is measured in there just different ways to say watts. Watts is the term used to define a quantity of power. If you were  looking for a device used to measure power, that is called a  wattmeter.