RS-100A无土栽培营养测试棒(组合式)测量范围: PPM:280--3080, EC:0.4 4.4, CF:4--44,分辩率: 0.1EC 精度: +/-4%fullscale(满量程)温度范围: 5-45℃/41-113℉(全自动温度补偿)电池: DC3x1.5V显示: LEDx16特点: 自动检测及自动开关RS-100ANutrient-WandTPPM/EC/CFTester(3in1)Range: PPM:280--3080, EC:0.4 4.4, CF:4--44,Resolution: 0.1ECAccuracy: +/-4%fullscaleTDSFactor: 700ppm=1EC=10CF,OperatingTemperatureRange:5-45℃(41-113℉)TemperatureCompensationAutomaticupto78F(25c)Features: Autoturnon off,AutoturnCheck.BatteryLife: DC3x1.5VDisplay: LEDx16