Measurement of resistance for all settings of the first decade of a high - value decade resistance box 测量一台高值十进位电阻箱首十个定位阻值。
Measurement of the resistance for all settings of each additional decade of the same decade resistance box 测量同一电阻箱，每十个额外定位数值的阻力。
The maximum permissible error when the working frequency of resistor is equal to or lower than the measurement frequency 电阻箱的工作频率等于或低于测试频率上限时的最大允许误差。
Sb2016 high pressure high - power resistance box adopts especial aging treatment , precise wire wound resistor of low temperature coefficient and high - pressure airproof switch Sb2016型高压大功率电阻箱采用经过特殊老化处理、低温度系数的精密线绕电阻器及高压密封开关。
Sb2014 precise dc low resistance box has its own features such as high working voltage , good abstraction of heat efficiency , stable performance and novel configuration 该电阻箱具有工作电流大、散热效果好、性能可靠、结构新颖等优点，适用于工厂、学校和科研单位作精密大电流低阻值电阻标准。
