Flat surface electrode works in liquids, semi-solids and solids

? ±0.1 pH accuracy
? Moist store sensor
? Push-button calibration
? Replaceable sensor
? Waterproof

This multi-application pen has a flat surface replaceable electrode. The large, 3½ digit digital display with bar graph fluctuates to show changes in readings. Fifteen readings can be stored and recalled. The flat sensor also makes the meter easy to clean. pH pen comes complete with meter and pH electrode, protective sensor cap, sample cup, four "LR44 button" batteries and neck strap. Range: 0.00 to 14.00. Resolutions and accuracy: 0.01 pH. Temperature range: 32°F to 149°F. Imported.