DWX-WTX-english
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Digital Automatic Winding Tester DWX Series Microprocessor controlled testing and evaluation for laboratory, QC and automatic production O An innovative design concept with modular enhancability O Surge impulse testing at highest precision and sensitivity O Very suitable for windings of extreme low impedance O Partial discharge assessment with patented method

Technical specification Applied voltage, step and energy (max) Min test inductance High voltage source processor controlled DC inverter supply with automatic voltage regulation, fast semiconductor switch (0.1 Ð 0.3 µs impulse rise time) Sampling speed, storage depth Testing speed 0.05 s / impulse; typical test sequence 0.5 Ð 1 s Screen display resolution 640 x 480 dots (VGA), 8.4" TFT color LCD, 4 color display 512 x 256 dots for test wave Master wave memory internal RAM disk: 210 types; max. 5600 in CF memory card (14 types @ 400 pages) 0.2 s / impulse; typical test sequence 1 Ð 2 s...

Partial discharge circuit specifications Micro wave sensor Sensing the electromagnetic waves in the stray field by a narrowband plane patch antenna in 1.7 GHz band Signal sensitivity -90 dB ~ -30 dB within 30 cm distance from DUT Antenna size Judgment methods PD inception and extinction voltages (PDIV-PDEV), PD impulse counter (for RPDIV/RPDEV tests), relative PD level

Test terminal AC/DC/IR Hipot test Data comparison test vs reference DC resistance meter CHROMA 16502 Test condition is freely settable Hipot test CHROMA 19052 Surge/impulse test Detection range