SB2025 Precision AC/DC Resistor is composed of 6 decade scales and precise resis tors,whose time constant is little and stability is very high.

• SB2025型精密交/直流电阻箱由六个十进位盘构成，采用时间常数小、稳定性高的精密电阻器，独特的屏蔽补偿措施及精密密封开关。