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Oakton Waterproof Testr®11 & 11Plus
are a NEW line of Tester® pocket sized meters for conductivity or TDS measurements. Either dip-style or cup-style measurements can be used.
The new Oakton pHTestr® line
features a new Large LCD display. These units offer all that you can ask for in a pen pH meter including replaceable electrodes, broad calibration range, and field replaceable batteries. All Testrs' offer a one year warranty on the meter and 6 months on the electrodes.