Glass Depression Slide, for use with specimens in liquid, Quality-Slide-Making Supplies, Aquatic Microorganisms Visible with These Slides, Round Corners for Safety, Thickness: 1.5 mm, Length: 3in, Width: 1in, Pack of 12
0.01pH accuracy, IP54 Grade with 30 sets data memory,Electrode condition icon to show pH electrode performance,ATC/MTC, 3 point calibration, auto buffer recognition,Auto/manual endpoint, recall last calibration data