GOLDSOL VLF-40TD High Voltage Test Set (1–40 kV AC/DC)

Power supply: 220 V ± 10% AC (110 V can be customized), 50/60 Hz, single phase.

AC output voltage: 1–40 kV peak (28.2 kV RMS).

DC output voltage: 1–40 kV.

Output frequency: 0.1 Hz, 0.05 Hz, 0.02 Hz, 0.01 Hz (automatic variable frequency).

Load capacity: Max. 1.0 μF @ 0.1 Hz; max. 10.0 μF @ 0.01 Hz.

Frequency stability: Fluctuation < 0.5%.

AC voltage measurement accuracy: ±3%.

AC voltage measurement resolution: 0.1 kV.

AC current measurement accuracy: ±3%.

AC current measurement range: 0–20 mA; resolution: 0.1 mA.

Positive and negative voltage peak error: ≤3%.

Voltage waveform distortion: ≤3%.

Construction: Integrated device.

Ambient operating conditions: Indoor and outdoor temperature: -10 °C to +50 °C.

Humidity: ≤85%.

Technical Specifications of VLF tgδ Test (Optional)

tgδ test voltage range: 1–40 kV.

Measurement voltage accuracy: 1%.

Dielectric loss test frequency: 0.1 Hz.

Measurement range: 0.01 × 10⁻³–655.35 × 10⁻³.

Dielectric loss accuracy: 1 × 10⁻⁴.

Dielectric loss resolution: 1 × 10⁻⁵.

Capacitance measurement range: 0.001–10 μF.

Capacitance measurement resolution: 0.001 μF.

Current measurement range: 0–20 mA; Tan Delta/PD test curve.

Current resolution: 0.1 mA.

Insulation resistance: 1 MΩ–65,535 MΩ (if exceeded, the device will prompt the excess).

Insulation resistance resolution: 1 MΩ.

Main Technical Specifications of VLF PD Test (Optional)

Partial discharge measurement range: 0.1 pC–10,000 pC.

Partial discharge detection resolution: 1 pC.

PD measurement accuracy: 3%.

Capacitance range: 0.001–10 μF.

Sampling bits: 12 bits.

Sampling speed: 200 MS/s; U, PD & tgδ curve.

Test voltage: 0 to rated value (40 kV).

Display of instantaneous and peak PD values.

Display of discharge inception voltage and discharge extinction voltage.

Discharge pulse frequency: 1–2,000 kHz.

Real-time output of the partial discharge evaluation report.

DC Leakage Current Measurement (Optional)

DC output rated voltage: 40 kV max.

DC voltage accuracy: 3%.

Leakage current range: 0–2,000 μA (0–20 mA can be customized).

DC current resolution: 1 μA.

DC current accuracy: 3%.

Datasheet