A.±0.01IN B.±0.02IN C.±0.03IN D.±0.04IN
A.1MΩ,2kΩ/V B.2MΩ,2kΩ/V C.1MΩ,4kΩ/V D.2MΩ,4kΩ/V
A.16 B.24 C.32 D.40