Shanghai Launch Electric. Ltd. is located in Shanghai, China. The city has been developed into an international center of economy, finance, trade and transportation, acting as a platform for trading at home and abroad.
Shanghai Launch Electric. Ltd. is a company which designs, manufactures and sells high voltage electric equipment. Our main products include high voltage complete test systems, testing instruments such as: power transformer test system, instrument transformer test system, PD test system, various AC test systems, series resonant test system, impulse voltage/current test system, high voltage capacitive bridge, series high voltage standard capacitors, etc. Our products gain excellent reputation among factories, testing centers, universities both in China and abroad. The company is also representative for other electric equipment suppliers at home and abroad.
In the new century, we will persist on technique development and improving the quality, management and service. With products of high quality, innovative technique and abundant on-site testing experience, we would service our future customers in a better way.
The standard capacitor is used to test insulation dielectric loss on-site, in laboratory, and in the wild. Specific high voltage standard capacitor could be made on request, such as 500PF-1000PF capacitors.
YL(5KV-1200KV)- (50PF-100PF)standard capacitor could be placed horizontally during
transportation. Technical parameters as below:
Rated voltage：5kV~1200kV
Testing voltage：1.2 times of rated voltage
Rated capacitance: 50 or 100pF
Dielectric loss tangent： ≤ 5?10-5
Capacity deviation：＜?3%
Pressure coefficient：≤2.2?10-3 /0.1Mpa
Voltage coefficient：≤ 3?10-5
Temperature coefficient: ≤ 3?10-5 /℃
Measuring error：＜?0.05%
Relative humidity: ＜70%
Ambient temperature: -5℃~+40℃
Working frequency: 50Hz
Altitude: 1000m