Economical Waterproof pH Pens Save You Money
Waterproof pH Pens have auto buffer recognition. Each fits right in your pocket. Three-point calibration with a single key couldn’t be easier. Data-hold feature freezes displayed readings. Low-battery indicator with auto shutoff saves your battery but can also be disabled. Waterproof pH Pen (No. 143496) has an ATC default at 25°C. Waterproof pH Pen With Temperature (No. 143497) has ATC and also displays pH and temperature readings simultaneously. Waterproof pH Pens come with a sensor cap, inner pH electrode protection cap and four LR44 button batteries. Electrode is not replaceable.