EXTECH® ExStik® Waterproof pH or ORP Meters

Waterproof Meters Help You Effectively Measure pH or ORP Levels

Portable, waterproof measuring devices feature a large display with bar graph, 15-reading memory with recall and easily replaceable electrode modules. Rubberized, no-slip-grip housing floats in water. Waterproof pH and ORP Meters come complete with electrode, protective sensor cap, sample cup, four LR44 button batteries and neck strap. pH Meter (No. 91896) operates in temperatures from 23°–194°F. The analog bar graph starts at pH 7.00 and fluctuates from left to right based on the pH level. Automatic temperature compensation. Refillable pH Meter (No. 113437) and pH Meter have a 0.00–14.00 pH range, and 0.01 pH accuracy and resolution.
ORP Meter (No. 91898) has an automatic electronic self-calibration and a simulated analog bar graph displaying any change in the ORP reading.
Replacement pH Electrode (No. 91897) and Replacement ORP Electrode (No. 91899) available, sold separately.