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Rated voltage（kV): 300
rated current（mA): 5
rated power（W): 3000
Quality of the control box (kg): 8.5
Quality of the voltage doubling cylinder (kg): 12.5
Height of the voltage doubling cylinder (mm): 1250
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.
