笔式ＰＨ计，RP001A型ＰＨ计
Waterproof Mini PH Tester RP001A(0.01 pH resolution)
— Totally waterproof!
— Small like a pen!
Model RP001A(NEW!)
Measuring Range 0.00 — 14.00 pH
Resolution 0.01 pH
Accuracy < +/— 0.03 pH
Calibration 1 point
Plug changeable electrode
Size 150 x 22 x 20mm
