Highly stable and accurate readings with large LCD display. Designed for simple one-hand operation. Automatically calibrates to pH 4, 7, 10 buffers and can be adjusted to recognize non-standard buffers as well. Features hold function, and auto power off with low battery indicator. The case is IP65 water proof, and will float if accidentally dropped into the water.

Best Features
- pH/Temp measurement
- Large Dual LCD Display
- 3 Points auto calibrations
- Hold function
- Low bat indictor
- Waterproof housing (float) IP65
- ATC (Automatic Temperature Compensation)
- Auto power off

            Comes with 4 button-cell batteries and a built-in electrode kept moist with a protective cap. Models 850051 and 850052 also feature a wider pH range, ATC (Automatic Temperature Compensation) and displays temperature in ºC or ºF.