Affiliated Power-Frequency Testers of electroscope

In 2005, the product passed the test of Electrical Power Industry Electrical Safety Tool and Instrument Quality Supervision and Inspection Center. In 2009, it is pointed out in the investigation report (No.200921C0700456) issued by the authority department that the 50Hz power frequency sine wave signal generated by the product can simulate the power line to check the electronic circuit of the electroscope according to the analysis made by the experts, the technology involved in this project takes the lead in the industry in China and even reach the advanced level in the whole world.