Measurement procedures for materials used in photovoltaic modules and its components. Part 6-2. General tests. Moisture permeation testing of polymeric materials
State system for ensuring the uniformity of measurements. State verification schedule for variable pressure measuring instruments in the range from 1·10 2 to 2,5·10 7 Pa for frequencies from 5·10 -1 to 1·10 4 Hz and durations from 1·10 -5 to 10 s under constant pressure up 5·10 6 Pa
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