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The DC high voltage tester is designed and manufactured according to the new China electric power industry standard DL/T848.1-2004 "General Technical Conditions for DC High Voltage Generators". This is a new generation portable DC high voltage tester, primarily suitable for conducting DC withstand voltage tests on zinc oxide arresters, power cables, transformers, generators, and other high-voltage electrical equipment in power departments, industrial mines, metallurgy, steel enterprises, and other such dynamic sectors.
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The DC high voltage tester is designed and manufactured according to the new China electric power industry standard DL/T848.1-2004 "General Technical Conditions for DC High Voltage Generators". This is a new generation portable DC high voltage tester, primarily suitable for conducting DC withstand voltage tests on zinc oxide arresters, power cables, transformers, generators, and other high-voltage electrical equipment in power departments, industrial mines, metallurgy, steel enterprises, and other such dynamic sectors.
The enclosure is made of aluminum alloy.
It adopts a medium frequency voltage doubling circuit, utilizing PWM (Pulse Width Modulation) technology and high-power IGBT (Insulated Gate Bipolar Transistor) components.
With large voltage feedback, the output voltage stability is high, with a ripple factor ≤0.5%.
Smooth voltage adjustment across the full range, excellent voltage regulation precision ≤0.5%, stability ≤1%, voltage and current error ±(1%±2 digits), current error ±(1%±2 digits).
The boost potentiometer starts boosting from zero.
The 0.75UDC1mA function button facilitates zinc oxide arrester testing with a precision of ±(1.0%±2 digits).
Overvoltage protection is set by dial coding, clearly visible, with an error of ±1%.
The voltage doubler uses new materials, making it lightweight yet sturdy. The exterior is coated with special insulating material, offering good electrical performance and strong moisture resistance.
The product complies with DL/T848.1-2004 technical requirements and has undergone formal testing at the Power Equipment Quality Inspection and Testing Center, strictly adhering to enterprise standards upon leaving the factory.
| Specification | 60/2 | 60/3 | 60/5 | 120/2 | 120/3 | 120/5 |
| Rated Voltage (kV) | 60 | 60 | 60 | 120 | 120 | 120 |
| Rated Current (mA) | 2 | 3 | 5 | 2 | 3 | 5 |
| Rated Power (W) | 120 | 180 | 300 | 240 | 360 | 600 |
| Cabinet Weight (kg) | 3.5 | 4 | 4 | 4 | 4.5 | 4.5 |
| Voltage Doubling Weight (kg) | 6 | 6 | 6 | 7 | 7 | 7 |
| Voltage Doubling Height (mm) | 440 | 440 | 440 | 535 | 535 | 535 |
| Voltage Measurement Accuracy | Digital display ±(1% reading±2 digits) | |||||
| Current Measurement Accuracy | Digital display ±(1% reading±2 digits) | |||||
| Ripple Factor | ≤0.5% | |||||
| Voltage Stability | Random fluctuation, power voltage change ±10% when ≤1% | |||||
| Overload Capacity | No-load voltage can exceed rated voltage by 10% for 10 minutes. Maximum charging current is 1.25 times the rated current. | |||||
| Power Supply | Single-phase AC 50HZ 220V±10% | |||||
| Operation Mode | Intermittent use, continuous operation time up to 10 minutes per session. | |||||
| Operating Environment | Temperature: 0~40℃, Relative humidity: no more than 85% at 25℃ (no condensation), Altitude: below 1500 meters | |||||
| Structural Features | Epoxy fiberglass electrical insulation voltage doubling cylinder, air insulated, no leakage concerns | |||||
| Control Box Features | High precision 0.75UDC1mA single touch button (precision ≤1.0%) Most suitable for zinc oxide arrester testing. Overvoltage protection set by dial coding, clearly visible. Cabinet and voltage doubler housed in one aluminum alloy case, portable with one hand. |
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