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DPA 503N
主要特点：
Real-time data acquisition
Internal hard disk for data storage
16-Bit A/D converter
Wide-range current input
Wide-range voltage input
High-sophisticated analyzing capability
USB interface for control and data transfer
Control of external flicker imp
DPA 503N - Full-compliant 3-phase harmonics and flicker analyzer Harmonics and interharmonics are caused by modern electronic power conditioning modules. Such, mostly non-linear, modules to control loads and to reduce power consumption is the source of voltage at unwanted frequencies superposed on the supply voltage. Voltage fluctuations caused by varying load currents may influence luminance or spectral distribution of lighting systems. The impression of unsteadies of visual sensation induced by this light stimulus is called flicker. The DPA 503N is used for 3-phase applications but also supports single phase applications.
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