Sper Scientific pH pens feature a large LCD and are designed for simple, one-hand operation. Not only are the pH pens waterproof (IP 65), but model 850052 has a resolution of 0.01 and an accuracy of ±0.05 pH.
The pH pens automatically calibrate to pH 4, 7 and 10 buffers and can be adjusted to recognise non-standard buffers as well. Features include: hold, auto power off and low battery indicator. The pH pen case is IP65 waterproof and will float if accidentally dropped into the water.
All models component with four button-cell batteries and a built-in electrode that is kept moist with a protective cap.
Models 850051 and 850052 also feature a wider pH range, automatic temperature compensation and display temperature in °C or °F. Model 850052 also features a higher resolution and accuracy.
Phone: 07 4774 0370
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