The main test equipment before installation of the company PEC TUR (Germany), designed to test isolated thunderstorm pressure and pulse switching voltage and variable frequency industrial, as well as the installation of its own design for test equipment pulsed currents.
Among the means of measurement, which is equipped with the PEC should highlight exemplary measuring systems are available for calibration of the working method of measuring direct comparisons, in accordance with the recommendations of the IEC. LINK
Another LINK. Via: Neatorama
Saturday, December 29, 2007
Weird Abandoned Structure in the Russian Forests
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