HIOKI ST4030 Impulse winding tester
• Detect waveforms with high precision (200 MHz high speed sampling × high 12-bit resolution)
• Identify single-fault turns via quantification of response waveforms
• Diagnose defective insulation (pseudo-shorts) between motor windings by testing for microscopic partial discharges hidden in noise (option)
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Measurement items |
• Quantification (LC value, RC value) of the response waveform obtained when impulse voltage is applied, pass / fail judgment • Waveform judgment using AREA value, Flutter, Laplacian etc. • Equipped with dielectric breakdown voltage test function |
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Applied voltage |
100 V to 3300 V (Setting resolution: 10 V steps) Maximum applied energy: approx. 55 mJ |
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Testable inductance range |
10 μH to 100 mH |
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Sampling |
200 M / 100 M / 50 M / 20 M / 10 MHz, Resolution: 12 bits, Number of data: 1001 to 800 points (1000 point steps) |
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Voltage detection accuracy |
[DC accuracy] ± 5% of setting, [AC band] 100 kHz: ± 1 dB |
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Determination method |
LC · RC value judgment, waveform judgment, discharge judgment (when incorporating the ST9000) |
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Number of test condition tables |
255 (test condition setting, judgment condition setting, master waveform) |
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Test time |
About 60 ms (3000 V, 1 pulse, reference value at decision OFF) |
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Display |
8.4-inch SVGA color TFT liquid crystal (800 × 600 dots), touch panel |
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Interface |
Standard: EXT.I/O, USB host (memory), USB device (communication), LAN Optional: RS-232C (Z3001), GP-IB (Z3000) |
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Power supply |
100 V to 240 V AC, 50/60 Hz, 80 VA max. |
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Dimensions and mass |
215 mm (8.46 in)W × 200 mm (7.87 in)H × 348 mm (13.7 in)D, 6.7 kg (236.3 oz) |
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Accessories |
Power cord ×1, Instruction Manual ×1, Application disc ×1, Usage notes ×1 |
• Identify previously undetectable defects
• Detect waveforms with high precision (200 MHz high speed sampling × high 12-bit resolution)
• Identify single-fault turns via quantification of response waveforms
• Diagnose defective insulation (pseudo-shorts) between motor windings by testing for microscopic partial discharges hidden in noise (option)