
Partial discharge testing gets criticized as being too complicated- circuits have way too many components, there
Located in China, DEMIKS/DC is one of the foremost suppliers and manufacturers of DC high voltage testers. We provide a variety of rigorous testing solutions including handheld and benchtop testers which can always be relied on for accuracy and precision. Contact us to get the best recommendations.
Stable Voltage Output: The high-frequency voltage doubler equipped with PWM and dual closed-loop feedback offers precise and stable high voltage with very low ripple.
Comprehensive Protection: Provides zero-position, over-voltage, overcurrent protections, and breakdown protective measures all using safety, fast-response sensors.
Precision and Efficiency: Accuracy and productivity is provided through the 0.75U function which includes a zero-start voltage rise and programmable digital overvoltage shut-off.
Integrated Portability: High reliability and efficiency and ease of transport with the use of imported components ensures a compact design which is fully integrated.
| Technical Parameters | specifications |
|---|---|
| rated voltage(kV) | 60 |
| rated current(mA) | 5 |
| rated power(W) | 300 |
| Mass of the whole machine(kg) | 9 |
| Volume of the whole machine(mm³) | 465*390*190 |
| Height of the voltage doubling cylinder(mm) | 440 |
| Accuracy of the output voltage | ± (1.0% of the reading ± 2 digits) |
| Accuracy of the output current | ± (1.0% of the reading ± 2 digits) |
| Ripple coefficient | ≤0.5% |
| Working mode | It is for intermittent use, with a rated load duration of 30 minutes. |
| Overload capacity | The no-load voltage can exceed the rated voltage by 10% and be used for 10 minutes. |
| The maximum charging current is 1.25 times the rated current. | |
| Power | AC220V±10% 50HZ |
| Working environment | Temperature: -10℃ to 40℃ |
| Relative humidity: It should not be greater than 85% (without condensation) when the room temperature is 25℃. | |
| Altitude: Below 1,500 meters |
Stable Voltage Output: High-frequency voltage-doubling circuit with PWM and dual feedback ensures stability, precision, low ripple, and accuracy.
Comprehensive Protection: Responsive, fast-acting zero position, over-voltage, over-current, and breakdown protective mechanisms.
Precision Functions: Accurate digital settings for over voltage with programmable limits, zero-start voltage rise, and 0.75U function.
User-Friendly Operation: Streamlined workflows aided by The Design of the Control Interface Which Uses Labeled Push Buttons.
| Technical Parameters | specifications |
|---|---|
| rated voltage(kV) | 60 |
| rated current(mA) | 2 |
| rated power(W) | 120 |
| Mass of the whole machine(kg) | 9 |
| Volume of the whole machine(mm³) | 465*390*190 |
| Height of the voltage doubling cylinder(mm) | 440 |
| Accuracy of the output voltage | ± (1.0% of the reading ± 2 digits) |
| Accuracy of the output current | ± (1.0% of the reading ± 2 digits) |
| Ripple coefficient | ≤0.5% |
| Working mode | It is for intermittent use, with a rated load duration of 30 minutes. |
| Overload capacity | The no-load voltage can exceed the rated voltage by 10% and be used for 10 minutes. |
| The maximum charging current is 1.25 times the rated current. | |
| Power | AC220V±10% 50HZ |
| Working environment | Temperature: -10℃ to 40℃ |
| Relative humidity: It should not be greater than 85% (without condensation) when the room temperature is 25℃. | |
| Altitude: Below 1,500 meters |
Test precision: guarantees accuracy in measurement during DC tests.
Reliable Voltage Control: Provides dependable and trusted voltage regulation.
Reliable Safeguards: Comes with advanced technology for automatic protection systems.
| Technical Parameters/specifications | 120/2 |
|---|---|
| rated voltage(kV) | 120 |
| rated current(mA) | 2 |
| rated power(W) | 240 |
| Quality of the control box (kg) | 5.5 |
| Quality of the voltage doubling cylinder (kg) | 8.7 |
| Height of the voltage doubling cylinder (mm) | 970 |
| Accuracy of the output voltage | ± (1.0% of the reading + 2 digits) |
| Accuracy of the output current | ± (1.0% of the reading + 2 digits) |
| Ripple coefficient | ≤0.5% |
| Voltage stability | When power supply voltage varies ±10%, ≤1%. |
| Overload capacity | The no-load voltage can exceed the rated voltage by 10% and be used for 10 minutes. |
| The maximum charging current is 1.25 times the rated current. | |
| Power | Single-phase alternating current, 50Hz, 220V±10% |
| Working mode | Intermittent use: rated load for 30 minutes |
| Use at 1.1 times the rated voltage: 10 minutes | |
| Working environment | Temperature: -10℃ to 40℃ |
| Relative humidity: It should not be greater than 85% (without condensation) when the room temperature is 25℃. | |
| Altitude: Below 1,500 meters | |
| Load capacity with capacitor | The capacitance of the device under test is unrestricted. |
| It can be charged with 1.5 times the rated current. | |
| Structural characteristics | Electrical insulation voltage doubling cylinder |
| Air insulation, eliminating concerns about leakage. | |
| Features of the operation box | High-precision 0.75UDC1mA single-touch button (accuracy ¡Ü 1.0%) |
| Suitable for the test of zinc oxide surge arresters. | |
| The overvoltage protection adopts a digital DIP switch, which is clear at a glance. | |
| Portable chassis makes it more convenient on site. |
Adaptable Use Cases: Best suited for assessing DC voltage and leak currents on high-voltage apparatus.
Consistent and Trustworthy: Works with stable output voltage due to high-frequency doubling and sophisticated protective sensors.
Accuracy of Operation: Comes with the 0.75U function for automatic state changing during testing.
| Technical Parameters/specifications | 120/5 |
|---|---|
| rated voltage(kV) | 120 |
| rated current(mA) | 5 |
| rated power(W) | 600 |
| Quality of the control box (kg) | 5.5 |
| Quality of the voltage doubling cylinder (kg) | 8.7 |
| Height of the voltage doubling cylinder (mm) | 970 |
| Accuracy of the output voltage | ± (1.0% of the reading + 2 digits) |
| Accuracy of the output current | ± (1.0% of the reading + 2 digits) |
| Ripple coefficient | ≤0.5% |
| Voltage stability | When power supply voltage varies ±10%, ≤1%. |
| Overload capacity | The no-load voltage can exceed the rated voltage by 10% and be used for 10 minutes. |
| The maximum charging current is 1.25 times the rated current. | |
| Power | Single-phase alternating current, 50Hz, 220V±10% |
| Working mode | Intermittent use: rated load for 30 minutes |
| Use at 1.1 times the rated voltage: 10 minutes | |
| Working environment | Temperature: -10℃ to 40℃ |
| Relative humidity: It should not be greater than 85% (without condensation) when the room temperature is 25℃. | |
| Altitude: Below 1,500 meters | |
| Load capacity with capacitor | The capacitance of the device under test is unrestricted. |
| It can be charged with 1.5 times the rated current. | |
| Structural characteristics | Electrical insulation voltage doubling cylinder |
| Air insulation, eliminating concerns about leakage. | |
| Features of the operation box | High-precision 0.75UDC1mA single-touch button (accuracy ≤ 1.0%) |
| Suitable for the test of zinc oxide surge arresters. | |
| The overvoltage protection adopts a digital DIP switch, which is clear at a glance. | |
| Portable chassis makes it more convenient on site. |
Comprehensive Use: Applicable for DC voltage as well as leakage current tests on high voltage machinery.
Steady and Smooth Work Performance: Guarantees exact voltage boosting as well as full range steady feedback.
Strong Safeguards: Has dependable shielded automatic protection systems for safe usage.
| specifications | Technical Parameters |
|---|---|
| rated voltage(kV) | 200 |
| rated power(W) | 2 |
| rated current(mA) | 400 |
| Quality of the control box (kg) | 5.5 |
| Quality of the voltage doubling cylinder (kg) | 8.7 |
| Height of the voltage doubling cylinder (mm) | 970 |
| Accuracy of the output voltage | ± (1.0% of the reading + 2 digits) |
| Accuracy of the output current | ± (1.0% of the reading + 2 digits) |
| Ripple coefficient | ≤0.5% |
| Voltage stability | When power supply voltage varies ±10%, ≤1%. |
| Overload capacity | The no-load voltage can exceed the rated voltage by 10% and be used for 10 minutes. |
| The maximum charging current is 1.25 times the rated current. | |
| Power | Single-phase alternating current, 50Hz, 220V±10% |
| Working mode | Intermittent use: rated load for 30 minutes |
| Use at 1.1 times the rated voltage: 10 minutes | |
| Working environment | Temperature: -10℃ to 40℃ |
| Relative humidity: It should not be greater than 85% (without condensation) when the room temperature is 25℃. | |
| Altitude: Below 1,500 meters | |
| Load capacity with capacitor | The capacitance of the device under test is unrestricted. |
| It can be charged with 1.5 times the rated current. | |
| Structural characteristics | Electrical insulation voltage doubling cylinder |
| Air insulation, eliminating concerns about leakage. | |
| Features of the operation box | High-precision 0.75UDC1mA single-touch button (accuracy ¡Ü 1.0%) |
| Suitable for the test of zinc oxide surge arresters. | |
| The overvoltage protection adopts a digital DIP switch, which is clear at a glance. | |
| Portable chassis makes it more convenient on site. |
Comprehensive Assessment: Most suitable for high-voltage equipment to perform DC voltage and leakage tests.
Constant and Safe: Offers stable output with high frequency doubling and sophisticated guarding sensors.
Additional Features: Incorporates the 0.75U function which allows automatic state transition during the testing process.
Comprehensive Use: Appropriate for DC testing of high-voltage apparatus and for providing power in industrial applications.
Consistent and Resilient: Utilizes a lightweight and robust voltage doubling cylinder for steady and smooth voltage regulation.
Dependable Safety Features: Provides effective overheating protection and has reliable automatic protection systems.
Stable Output: High-frequency voltage doublers guarantee stability.
Advanced Protection: Comprehensive safety awarded by nanosecond-level sensors.
0.75U Functionality: Automatic state switching to 0.75U with no manual intervention.
The article outlines the policies, protocols, and definitions pertaining to processing DC voltage both safely and accurately. In industrial fields, electronic equipment, or solar systems, handling high voltage DC requires efficiency standards as well as the avoiding of dangerous conditions.

Partial discharge testing gets criticized as being too complicated- circuits have way too many components, there

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