Oakton meters deliver the features you need at an economical price. Auto-ranging, automatic temperature compensation, 3- point calibration and hold/auto-off are features on both models.
The pH 6+ adds a millivolt mode (great for troubleshooting). Protective rubber boot contains a built-in stand for easy operation on the bench.
Meter kits include single junction pH electrode, ATC probe, pH buffer pouches, rubber boot with built-in stand, (4) AAA batteries and case. 3-year meter warranty.