铂金电阻率特性

铂金计算

温度Ｔ℃电阻率补偿(1+аΤ)直径ｉｎ截面积ｉｎ２电阻/in

500 2.8440.090.00635850.0699831000 4.3960.090.00635850.1081741100 4.6710.090.00635850.1149411200 4.9350.090.00635850.1214371300 5.1870.090.00635850.1276391350 5.3070.090.00635850.1305911400 5.4270.090.00635850.1335441500 5.6550.090.00635850.1391551600 5.8710.090.00635850.144471650

ρ0=3.87μΩ.in/in 2 3.87ρ=ρ0(1+аΤ)

R=ρ

(1+аT)×L/A

30.48