| 摘要 |
FIELD: small-size current measurement devices such as high-frequency ammeters, wattmeters, and multimeters. ^ SUBSTANCE: proposed instrument shunt has hardware made of insulating material, current pieces with current and potential terminals, resistor unit, and fastening component; shunt is made in the form of flat bifilar winding wound in spiral of Archimedes whose turns are separated by insulating material and fixed in position by heat-conducting sealing compound; hardware is made in the form of two bushings with flanges made of insulating material, resistor unit being inserted between these flanges; fastening component is disposed in coaxial hole of insulating bushings and resistor unit. ^ EFFECT: reduced size and space requirement, enlarged frequency measurement range, simplified design, facilitated manufacture and adjustment. ^ 1 cl, 3 dwg |
