This pH meter is the perfect device for testing the acidity or alkalinity of your swimming pool water with the flick of a switch. Included with the meter are 6.86 and 4.01 pH buffers for calibration and replaceable LR44 batteries are already installed on the meter. Users may find it useful to reserve the buffer solutions for future recalibrations. A plastic cover protects the probe between uses. Instructions for calibration and general use are also included with the pH meter. Provides a near instantaneous pH reading of a liquid down to 0.1 pH resolution, making your daily check that much quicker and easier.
You can also use R-7062 pH standard to calibrate this meter.