PH-902筆式防水型pH計 測量范圍： 0.00—14.00pH, 分辨率： 0.01pH, 精度： ≤±0.03pH, 溫度范圍： 5--50℃(ATC) 標定： 二點定位校準標定，6.86pH及4.01pH(or7.0pH及4.01pH) 特點： 低功耗；電池電壓過低對測量精度無影響；自動關機。 電池： DC4x1.5V PH-902PenpHTestrWP Range: 0.00—14.00pH, Resolution: 0.01pH, Accuracy: ≤±0.03pH, Temp.C: 5—50℃,(ATC) Calibration: Two-pointat6.86pHand4.01pH(or7.0pHand4.01pH) Features: Automaticswitch-offfunction:After10minuteswithoutpushingbuttons,themeterwillbeswitchedoffautomatically. Lowbatteryalarm:Ifthebatteriesarelow,thedisplaywillflash,towarnusertochangebattery. Aslongasthereisanydisplay,theaccuracyisguaranteed. BatteryLife: DC4x1.5V Flug:Changeableelectrode