279301可变电阻箱
电阻范围:0.100Ω~1111.210Ω分辨率: 0.001Ω精度: ±(0.01% of dgr+2mΩ)279303可变电阻箱电阻范围: 0-111.1110MΩ精度: 100Ω,1KΩ,10KΩ,100KΩSTEP
…±(0.05%OFrdg+0.05Ω)1MΩ,10MΩstep…±0.2%of rdg