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宽频有效值电压标准有静电武、热电式、测辐射热式等。国内外的计量实践表明,在30MHz 以下,高频同轴热电转换标准由于准确度最高、使用方便而得到普遍的应用。我厂于1978年研制成功DO-8型高频热电转换标准(以下简称DO8),它在50KHz～30MHz 范围内具有极高的准确度,近年来在我国高频电压计量上得到日益广泛的应用。
Broadband RMS voltage standard electrostatic Wu, thermoelectric type, such as thermal radiation measurement. Measurement practice at home and abroad shows that under 30MHz, high-frequency coaxial thermoelectric conversion standard due to the highest accuracy, easy to use and universal application. Our factory successfully developed the DO-8 high frequency thermoelectric conversion standard (hereinafter referred to as DO8) in 1978. It has extremely high accuracy in the range of 50KHz ~ 30MHz. In recent years, it has been widely used in the measurement of high frequency voltage in our country .