The high voltage dielectric loss test device is used for field anti-interference dielectric loss measurement, or precision dielectric loss measurement in the laboratory
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The high voltage dielectric loss test device is used for field anti-interference dielectric loss measurement, or precision dielectric loss measurement in the laboratory. The instrument is integrated with dielectric loss bridge, variable frequency power supply, test transformer and standard capacitor. Using frequency conversion anti-interference and Fourier transform digital filter technology, automatic intelligent measurement, strong interference measurement data is very stable. The measurement results are displayed on a large LCD screen and can be printed out by a microprinter.
product names：Dielectric loss tester, anti-interference dielectric loss tester, automatic dielectric loss tester, dissimilar frequency dielectric loss tester, dissimilar frequency dielectric loss tester, anti-interference dielectric loss tester, automatic dielectric loss tester
| accuracy | Cx | ± (Reading ×1%+1pF) |
| tgδ | ± (Reading x 1%+0.00040) | |
| Anti-interference index | Frequency conversion anti-interference, the above accuracy can still be achieved under 200% interference | |
| Capacitance range | Internal high pressure | 3pF～60000pF/10kV 60pF～1μF/0.5kV |
| External high pressure application | 3pF～1.5μF/10kV 60pF～30μF/0.5kV | |
| Resolution | Up to 0.001pF, 4 significant digits | |
| tgδ delta range | Unlimited, resolution 0.001%, capacitance, inductance, resistance three kinds of test automatic recognition | |
| Test current range | 10μA～5A | |
| Internal high pressure | Set voltage range | 0.5～10kV |
| Maximum output current | 200mA | |
| Elevating pressure system | Continuous smooth regulation | |
| Voltage accuracy | ±(1.5% x reading +10V) | |
| Voltage resolution | 1V | |
| Test frequency | 45~65Hz integer frequency, 49/51Hz, 45/55Hz automatic double frequency conversion | |
| Frequency accuracy：±0.01Hz | ||
| External high pressure application | Maximum test current during normal wiring5A/40~70Hz | |
| Maximum test current during reverse wiring 10kV/5A/40~70Hz | ||
| CVT self-excited low voltage output | Output voltage 3 ~ 50V, output current 3 ~ 30A | |
| Measuring time | About 30s, depending on the measurement method | |
| 输入电源 | Input power supply | |
| Computer interface | Standard RS232 interface | |
| printer | Comes with micro thermal printer | |
| Ambient temperature | -10℃～50℃ | |
| Relative humidity | <90%, no condensation | |
| Selection of main technical indicators | ||
| Capacitance rangepF | 3~60k | |
| Maximum output currentmA | 200/10kV | |
| Overall dimensions Length x width x height cm | 34x26x27cm3 | |
| weight kg | 22kg | |
| High voltage dielectric loss | support | |
| CVT self-excitation measurement | No external equipment is requiredC1/C2High voltage cable can be milled at the same time | |
| Loop discharge warning | There are | |
| printer | thermosensitive | |
| Computer interface and storage | RS232 stores 100 groups | |
1.The appearance of the product shall be subject to the actual product，Technical parameters with model if there are any changes，without notice.In case of misappropriation or copying, legal liability will be investigated.
2. For more information about Wuhan UHV, please enter product center . Service email：info@hvtest.cc
1、 frequency conversion anti-interference: the use of frequency conversion anti-interference technology, in 200% interference can still be accurately measured, the test data is stable, suitable for on-site anti-interference dielectric loss test.
2、high precision measurement: frequency floating, digital waveform analysis and bridge self-calibration technology, with high precision three-end standard capacitor, to achieve high precision dielectric loss measurement, and positive/reverse connection measurement accuracy and stability is consistent.
3、all range input resistance of the instrument is lower than 2Ω, eliminating the influence of additional capacitance of the test line.
4、can be connected to the external oil cup to do precision insulation oil dielectric loss test, can be connected to the solid material measurement electrode to do precision insulation dielectric loss test.
5、good compatibility: automatically identify 50Hz / 60Hz system power supply, support generator power supply, even if the frequency fluctuation is large, can also be measured normally.
6、built-in series and parallel two kinds of dielectric loss measurement model, can be fully compatible with the calibration platform and dielectric loss standard, convenient instrument verification.
7、Multi-level security protection to ensure personal and equipment safety.
8、high voltage protection: test short circuit, breakdown or high voltage current fluctuation, can cut off the output by short circuit.
9、low voltage protection: misconnection 380V, power supply fluctuation or sudden power failure, start protection, will not cause overvoltage.
10、grounding protection: the instrument grounding is bad so that the shell with dangerous voltage, start grounding protection.
11、C V T: high voltage and current, low voltage and current four protection limits, will not damage the equipment; Incorrect menu selection does not output excitation voltage. There is no 10kV high voltage output during CVT measurement.
12、anti "capacity rise" : when measuring large capacity test products will appear voltage rise "capacity rise" effect, the instrument can automatically track the output voltage, keep the test voltage constant.
13、seismic performance: the instrument adopts unique seismic design, can withstand strong long-distance transportation vibration, turbulence without damage.
14、high voltage cable: high voltage insulated wire, can be used to mop the floor.
15、 technical breakthrough, powerful function, with external standard capacitor interface, automatic tracking of external test power frequency 40Hz~70Hz, support frequency power supply and series resonant power supply to do large capacity high voltage dielectric loss test.
16、 with circuit contact bad discharge prompt function, to facilitate the identification of wiring is reliable.
17、with CVT self-excitation method measurement function, C1/C2 can be measured at the same time, automatic compensation busbar grounding and standard capacitor partial voltage influence, no need to change the line and external any accessories, and high voltage connection line can mop the floor.
18、with reverse wiring low voltage shielding function, in the 220kVCVT busbar grounding case, the C11 can be carried out without stripping 10kV reverse wiring dielectric loss measurement, and can be a connection at the same time to the main and slave two capacitance measurement.
19、 Chinese text menu, large screen backlight LCD display.
20、 configuration of thermal printer, printing data clear and fast, no noise.
21、with calendar clock, can store 100 groups of measurement data.
Enterprise products in strict accordance with international and national standards and rules of industry production, through the national, provincial and municipal electric power research institute and electric power authorities detection, measuring center, fully passed the ISO9001 international quality management system certification, the licence for manufacturing measuring instruments of the People's Republic of China, GB/T19001-2016 quality management system requirements, GB/T24001-2016 environmental management system requirements, GB/T45001-2020 occupational health and safety management system requirements.
email： info@hvtest.cc
Skype： Tina Qiao
+8615172408058
