产品特点 [Features]●采用精密、低功耗运算放大器，比较、解算，液晶模块显示；●灵敏度高，使用方便。●体积小、重量轻、耗电小；●便携式设计，携带方便；●Adoptaccurate,lowconsumptionoperationamplifier,compare,isitregardastosolve,liquidcrystalmoduleshow.●Thesensitivityishigh,easytouse.●Small,light,withlowpowerconsumption.●Designportably,carryitconveniently.规格[Specifications]表面电阻测试仪（SURFACERESISTANCETESTER）电源（Powersupply）:9V干电池(Drybattery)精度(Accuracy): 0.05可重复度(Repeattolerance): 0.05适用(Applicability):可测量表面电阻率和接地电阻（Measuringbothsurface groundingresistance）