额定载荷rated load 5t 额定输出rated output 2.0000±0.001mv/v 综合误差total error ±0.1%f.s 蠕变creep(30minutes) ±0.02%f.s 推荐工作电压recommended excitation voltage 5v～12v(ac or dc) 大工作电压maximum excitation voltage 15v(ac or dc) 零点平衡zero balance ±1%f.s 输入阻抗input impedance 380±5ω 输出阻抗output impedance 350±2ω 绝缘阻抗insulation impedance ≥5000mω 安全过载率safe overload 150%f.s 极限过载率ultimate overload 200%f.s 工作温度范围operating temperature range (-30～+70)℃ 温度补偿范围compensated temperature range (-20～+60)℃ 输出温度影响temperature effect on load ±0.02%f.s/10℃