Tonghui TH9520 Winding Component EST Tester (AC: 0.050 - 5.000kV; DC: 0.050 - 6.000kV)

Number of Channels: 8

Withstand Test

Output Voltage: 

- AC: 0.050 - 5.000kV，Step 0.001kV，Frequency 50Hz/60Hz ±0.1%，sinusoidal waveform

- DC: 0.050 - 6.000kV，Step 0.001kV

- Accuracy: ± (1% set value + 0.1% of full scale)

- Adjustment Rate: (1% output + 0.1% of full scale) rated power

Current Range: 

- AC: Voltage≤4.000kV： 0.001mA - 120.0mA, Voltage＞4.000kV：0.001mA – 100.0mA

- DC: 0.1uA - 20.00mA

- Accuracy: ± (1% of reading + 0.5% of full scale), AC Real: ± (1% of reading + 5% of total current reading + 5 digits)

Output Power: 500VA

ARC: 

- AC: 1.0mA - 20.0mA，0.1mA Step

- DC: 1.0mA - 10.0mA，0.1mA Step

Insulation Resistance Test

Output Voltage: 0.050 - 5.000kV，Step  0.001kV ;  Accuracy: ± (1% of set value + 0.1% of full scale)

Resistance Test Range: 0.100MΩ- 99.99GΩ; Resolution: 0.1MΩ

Measurement Accuracy: 

≥500V: 

1.000MΩ – 1.000GΩ, ± (3% of reading + 5 digits)

1.000GΩ – 10.00GΩ, ± (7% of reading + 5 digits)

10.00GΩ – 99.99GΩ, ± (10% of reading + 5 digits)

< 500V:

0.100MΩ – 1.000GΩ， ± (7% of reading + 5 digits)

1.000GΩ – 99.99GΩ，for reference only, no accuracy requirements

Time Setting

Rise Time: OFF，0.1s – 999.9s，Step 0.1s

Test Time: 0.1s - 999.9s，Step 0.1s

Fall Time: OFF，0.1s – 999.9s，Step 0.1s

Waiting Time: OFF，0.1s – 999.9s，Step 0.1s

Turn-to-turn Insulation Test

Output Pulse Voltage: 0.01kV – 6.000kV，0.01kV Step，± 5% set value ± 15V

Inductance Test Range: ≥10μH

Pulse Energy: up to 0.36 Joule

Waveform Sampling: Sampling rate: 12bit, Sampling speed: 200MHz, adjustable 8-level, Memory depth: 12k Byte, Sample average: 1 - 32

Low Resistance Test / △ and Y Type Resistance Test

Test Signal: (mΩ)1A，1Ω     0.5A，others ≤3V

Test Range: 0.01mΩ - 1.2MΩ

Resistance: Range: 0.01mΩ - 120.00mΩ; 0.1mΩ - 1200.0mΩ; 0.001Ω - 12.000Ω 0.01Ω - 120.00kΩ 0.1kΩ - 1200.0kΩ

Accuracy: ± 0.5% of reading +0.04% of full scale; ± 0.3% of reading +0.03% of full scale; ± 0.2% of reading +0.03% of full scale ± 0.1% of reading +0.03% of full scale ± 0.2% + 0.03% of full scale)

Inductance Test

Test Parameters: Ls，Lp，Rs，Rp，Q

Measurement Accuracy: 0.5%

Test Frequency: 100Hz,120Hz,1kHz, 10kHz, 100kHz

Test Signal Level: 1.0Vrms，10% accuracy