Includes
- 4 button-cell batteries
- Built-in electrode kept moist with a protective cap
Easy to carry, simple to operate and sufficient for most field pH tests
850050 – Large Display pH Pen Has a Range of 2~12 with an Accuracy of ±0.3 pH and is the perfect instrument for economical spot sampling of pH.
These large LCD display pH pens are ideal when you are looking for highly stable and accurate readings in the field. 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. These pH pens offer unbeatable solutions for applications such as waste-water, surface water, aquaculture, hydroponics, pools, and education. They each feature hold function, and auto power off with low battery indicator. The cases are IP65 waterproof, and will float if accidentally dropped into the water.
