(0.05~250)GΩ(0.1~500)GΩ
(0.025~100)GΩ(0.05~200)GΩ
(0.025~0.05)GΩ(250~1000)GΩ;(0.05~0.1)GΩ(500~2000)GΩ
(0.01~0.025)GΩ;(100~500)GΩ(0.02~0.05)GΩ;(200~1000)GΩ
(0.2MΩ~0.5MΩ,2GΩ~10GΩ);(0.4MΩ~1MΩ;4GΩ~20GΩ);(0.01GΩ~0.025GΩ,100GΩ~500GΩ)(0.02GΩ~0.05GΩ,200GΩ~1000GΩ)