• HIOKI ST4030 Impulse winding tester

HIOKI ST4030 Impulse winding tester

• 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)
Model : HIOKI ST4030A

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

Applied voltage

100 V to 3300 V (Setting resolution: 10 V steps)

Maximum applied energy: approx. 55 mJ

Testable inductance range

10 μH to 100 mH

Sampling

200 M / 100 M / 50 M / 20 M / 10 MHz, Resolution: 12 bits, Number of data: 1001 to 800 points (1000 point steps)

Voltage detection accuracy

[DC accuracy] ± 5% of setting, [AC band] 100 kHz: ± 1 dB

Determination method

LC · RC value judgment, waveform judgment, discharge judgment (when incorporating the ST9000)

Number of test condition tables

255 (test condition setting, judgment condition setting, master waveform)

Test time

About 60 ms (3000 V, 1 pulse, reference value at decision OFF)

Display

8.4-inch SVGA color TFT liquid crystal (800 × 600 dots), touch panel

Interface

Standard:  EXT.I/O, USB host (memory), USB device (communication), LAN

Optional:  RS-232C (Z3001), GP-IB (Z3000)

Power supply

100 V to 240 V AC, 50/60 Hz, 80 VA max.

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)

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)

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