Oakton pH Tester

Oakton pH Tester
Waterproof pH Tester Deluxe Kit
Replaceable electrode
Push-button calibration automatically adjusts readings to the buffer
Hold button allows the unit to maintain the reading until it can be logged
Auto-off turns unit off after 8.5 minutes of nonuse to conserve batteries
Self-diagnostic error messages warn of low batteries, over/under range conditions or incorrect calibration point
The Double Junction electrode design option allows for longer electrode life.