Under high temperature and high humidity conditions, the insulation resistance for wire-wound potentiometer of which the frame is made of common materials cannot meet with the requirements, thus the electric performances are influenced.
在高溫、高濕環(huán)境條件下,常用材料骨架的線繞電位器絕緣電阻達(dá)不到要求,影響了電氣性能。