Request InfoCoherent Inc.Coherent Inc. has expanded its PowerMax-USB/RS series laser power measurement products with the addition of several new sensors. Introduced in December 2009, the power meters were the first to integrate a sensor head with complete meter electronics that are miniaturized within a USB 2.0 or RS-232 cable connector. The original product offering included optical and thermopile sensors that enabled laser power measurement up to the tens of watts range. The new PowerMax sensors extend this into the kilowatt range. 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