It complies with the requirements of national standards GB/T 21707-2008, GB/T 24122-2009, GB14711-2013, and meets JB/T 10930-2010;
It can test multiple enameled wire samples at the same time;
It is used to test the high-frequency pulse resistance characteristics (corona resistance performance) of enameled wire.
Instrument Features:
It can effectively test the corona resistance performance of enameled wire;
It consists of a corona resistance tester, a sample maker (divided into round and flat wires) and a computer (including software);
There are 1 to 5 test terminals, which customers can choose according to their needs;
Universal socket for round and flat wires.
Instrument Parameters:
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Steady-State Impulse voltage (platform voltage) |
4KV±0.5% |
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Output Frequency |
10/20KHz set output |
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Pulse Waveform |
Square wave |
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Pulse Polarity |
Bipolar |
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Pulse Rise Time (time from negative peak to positive peak) |
100ns±10% |
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Pulse Frequency |
2~20KHz (continuously adjustable) |
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Pulse voltage (Vp-p) |
0.4~3KV (continuously adjustable) |
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Pulse Rise Edge |
50~400ns (continuously adjustable) |
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Pulse Duty Cycle |
≤50% (continuously adjustable) |
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Workroom Temperature |
Room temperature~300℃ |
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Voltage Stability |
≤2% |
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Frequency Stability |
≤1‰ |
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Can measure enameled round wire with diameter of 0.5~6.0mm |
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Can measure enameled flat wire with maximum side of 5.0×16.0mm |
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Power Supply and Requirements |
Input Power |
AC220V±10% 50Hz |
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Heating Power |
1750W |
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Dimensions |
780×600×1700mm (L×W×H) |
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Weight |
120kg |
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Power supply grounding |
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© Dongguan Zhongli Instrument Technology Co., Ltd.
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