Portable PH meter (resolution 0.1PH, manual compensation)

CB 通用型复合pH电极(三信100/500系列电极, BNC插口) Precision PH meter (desktop, resolution 0.001PH, glass electrode) Precision pure water PH meter (desktop, resolution 0.001PH, pure water electrode) 精密pH/电导率仪(台式, 分辨率0.001pH) Precision PH meter (desktop, resolution 0.001PH, plane electrode) Laboratory PH/Conductivity Meter (desktop, resolution 0.01PH) 穿刺 pH复合电极(三信PH5S穿刺笔式PH计专用电极) 便携式溶解氧仪(手动气压补偿, 精度0.3mg/L, 电池3节) 便携式pH计(测量范围-2.00-19.99pH) Portable PH/Conductivity Meter (resolution 0.01PH) Portable PH/ORP/Conductivity Meter (resolution 0.01PH) Portable PH/ORP/Conductivity/Dissolved Oxygen Meter (resolution 0.01PH) Portable PH meter (resolution 0.01PH, manual compensation) Portable PH/ORP meter (resolution 0.01PH) 便携式pH计(测量范围0-14.00pH) Portable PH / Conductivity / Dissolved Oxygen Meter (resolution 0.01PH) Portable PH/dissolved oxygen meter (resolution 0.01PH)