Test Tube pH Pen - 850062

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.

Features:

- Auto 3pt Calibration
- IP65 Waterproof
- Indicates Low Battery
- Auto Power Off
- Auto Buffer Recognition
- Hold function

Specifications:

- Range: 0-14 pH
- Resolution: 0.1
- Accuracy: ±0.2