Yokogawa / Decade Resistance Box / 279303 
Resistance Range: 0~111.1110 MΩ
Dial Composition: 100Ω*10 + 1KΩ*10 + 10KΩ*10 + 100KΩ*10 + 1MΩ*10 + 10MΩ*10
Accuracy: 100Ω,1KΩ,10KΩ and 100KΩ steps...±(0.05%+0.05Ω);1MΩ and 10MΩ steps...±0.2%(At temperature 23±2℃,humidity below 75% including residual resistance of approx.0.05Ω)
Dielectric Strength: 2500V AC for one minute between panel and circuit