Plastic voltage breakdown tester, rubber dielectric strength tester, breakdown voltage tester

Switching between AC and DC tests: 1. The high voltage output of this instrument is AC voltage. The method of obtaining direct current is to string a high-voltage silicon stack into the original circuit, making the test circuit a pulsating direct current voltage. The implementation process is that the silicon stack is already in the high-voltage insulation tower of the high-voltage transformer, and a short-circuit rod is usually used to short-circuit the high-voltage silicon stack. When a DC test is required, remove the short-circuit rod and connect the high-voltage silicon stack to the test circuit. At this time, the voltage in the circuit is a pulsating DC voltage. 2. The switching of AC/DC voltage in the experiment mainly depends on whether the short-circuit rod in the high-voltage insulation tower is removed. When the short-circuit rod is removed, the voltage on the high-voltage equalizing ball is DC voltage, and when the short-circuit rod is inserted, the voltage on the high-voltage equalizing ball is AC voltage. 3. Front panel DC/AC selection button. The status of this button cannot change the voltage properties of the device output. Pressing this button will simply connect the DC alarm circuit to the device. Instruct the user that when opening the box door, you need to discharge the high-voltage equalizing ball. Press the discharge device on the panel to make the end of the discharge rod contact the high-voltage equalizing ball. It is recommended that users keep the copper ball in contact with the high-voltage equalizing ball for more than five seconds each time they discharge. 4. In DC testing, the computer should also choose the DC state, otherwise the measured results will be incorrect. Simply put, there is a multiple relationship between AC voltage and DC voltage.

Mainly suitable for testing the breakdown strength and withstand time of solid insulation materials such as plastics, films, resins, mica, ceramics, glass, insulation oil, insulation paint, cardboard and other media under power frequency voltage or DC voltage; The voltage breakdown tester is controlled by a computer, and the test curve can be observed online during the test process; Automatically store test conditions and test results data, and can access, display, and print them Technical parameters: 1. Input voltage AC220V 50Hz 2. Output voltage: AC: 0-50kV; DC：0～50kV 3、 Output power: 3kVA 4. Measurement range: AC: 0-50kV; DC：0～50kV 5、 Measurement error: ≤ 2% 6. Boosting rate: 1kV/s~3kV/s 7. Voltage endurance time: 0~4H 8. Leakage current 1~30mA can be freely set by computer software 9. Power supply AC 220V ± 10% single-phase AC voltage and 50Hz ± 1% frequency 10. Test environment temperature: 15~30 ℃, relative humidity: 0~85%, stable operation can be achieved. 11. External dimensions: length x width x height: 1000mm x 700 mm x 1300mm 12. Equipment weight: 150Kg (reference) 13. Grounding requirements: The instrument needs to be separately grounded, and the grounding should comply with standard requirements. The metal rod should be buried at least 1.5 meters deep underground