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描述一个频率在300～600MHz、以被测样品为集中电容负载的同轴谐振腔。除负载间隙电容精密可调外,还具有一个以频率刻度的精密微调圆柱电容器。 介电系数由推动间隙电容的精密测微器在有、无样品时的读数变化来计算:损耗角正切是用变电容失谐法来获得。由于采用不接触电极的测量方法,能在一系列不同频率下对同一块样品进行测量。此外,也可用于薄膜材枓和大损耗材料的测量。 介电系数的测量误差为±1％,损耗角正切的测量误差为±(5％+0.15×10~(-4))。
Describe a frequency of 300 ~ 600MHz, to the measured sample is a concentrated capacitive load coaxial resonant cavity. In addition to the precision adjustable load gap capacitance, it also features a fine-tuned cylindrical capacitor with frequency scale. The dielectric coefficient is calculated from the change in readings of the precision micrometer that drives the gap capacitance with and without the sample: loss tangent is obtained using a variable capacitance detuning method. The same piece of sample can be measured over a range of different frequencies due to the non-contact measurement. In addition, it can also be used for film material 枓 and loss of material measurement. The dielectric constant measurement error is ± 1% and the loss tangent measurement error is ± (5% + 0.15 × 10 -4).