全防水型筆式ZDS-TDS電導率計測量范圍: 0-1999ppm(mg/l)分辨率: 1 ppm(mg/l),精度: 2%FullScale,電池: DC4x1.5V,溫度范圍: 5--50℃(全自動溫度補償),特點: 低功耗;自動關機。ZDS-TDSPenTesterWP(TotalDissolvedSolids)Range: 0-1999ppm(mg/l),Resolution: 1 ppm(mg/l),Accuracy: 2%FullScale,BatteryLife: DC4x1.5V,Temp.℃: 5--50℃(ATC),Features: Automaticswitch-offfunction:After10-15minuteswithoutpushingbuttons,themeterwillbeswitchedoffautomatically.