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According to the recommended national standard GB/T 18659-2002 "Evaluation method for the performance of electromagnetic flowmeters for the measurement of conductive liquid flow in closed conduits", the peak voltage shall be superimposed on the power supply, and the peak voltage energy shall be 0.1J. The value should be 100%, 200%, and 500% of the rms value of the power supply voltage. At present, there are no peak voltage generating devices that meet the test requirements in China. The instrument developed by the Zhejiang Institute of Metrology fills this gap.
Ningbo 3D Electrical Measurement Equipment Co., Ltd. is a well-known supplier of transformer testing equipment in China. Zhejiang Diyuan Instrument Co., Ltd. is a leader in the production of electromagnetic flowmeters in Zhejiang Province. The two companies will provide instrument parts and measured samples for the development work. .
(Original title: Provincial Metrology Institute launched the development of the first domestic energy adjustable peak voltage generator)
[China Instrument Network Instrument R&D] On June 21st, Zhejiang Measuring Institute and Ningbo 3D Electrical Measurement Equipment Co., Ltd. and Zhejiang Diyuan Instrument Co., Ltd. discussed the development technology of the energy-adjustable peak voltage generator. It is reported that the energy-adjustable peak voltage generator developed this time is the first in China.