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Research Products International Corp Test Tube pH Pen with ATC (Auto Temp Compensation)

Supplier: Research Products International Corp 850063
Highly stable and accurate readings with a large LCD display. Designed for simple one-hand operation. Automatically calibrates to pH 4, 7 and 10 buffers and can be adjusted to recognize any buffer. Features hold function, and auto power off with low battery indicator, auto temperature compensation,°C & °F display. The case is IP65 waterproof and will float if accidentally dropped into the water.
Comes with 2 button-cell batteries and a built-in electrode kept moist with a protective cap.
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