Pen-Type 0 - 14pH Test Tube Meter w/ ATC

Sper Scientific, 850063, Pen-Type 0 - 14pH Test Tube Meter with ATC (Auto Temperature Compensation) FunctionFits standard test tubes 16x50 mm or larger. This Sper Scientific Test Tube pH Pen (Model 850062/ 850063) is designed for easy calibration and simple, accurate measurement. The 12 cm long probe is capable of testing samples even in narrow-mouthed containers. 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. 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. IncludesMeter with protective storage bottle for sensorTwo CR2032 button batteriesInstruction ManualFeaturesWaterproof IP65 housing Hold function One-button, three-point calibration Automatic buffer recognition for calibration accuracy Customizable calibration values Measuring stability indicator Protective storage bottle for sensor Low-battery indicator Automatic shut off Dual pH and temperature display Monitors temperature in °F or °C.