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筆式PH計,RP001型PH計
Mini PH Tester RP-001(0.01 pH resolution)
Model RP-001 (NEW!) Measuring Range 0.00 - 14.00 pH Resolution 0.01 pH Accuracy +/- 0.03 pH Calibration 2 points Plug fixed electrode Size 150 x 32 x 16 mm