Description
The Sper Scientific Large-display pH pen is a portable and easy-to-use device for measuring pH levels in the field. It has a large LCD display and is highly accurate and stable. The pen automatically calibrates to standard pH buffers and can also be adjusted for non-standard buffers. It features a hold function, auto power off, and a low battery indicator. The pen is waterproof and can float if dropped in water. It comes with batteries and a built-in electrode. It is suitable for middle-high school students and is free of allergens and choking hazards. It has a pH range of 2 to 12, with a resolution of 0.1 and an accuracy of +/- 0.3. It is CE approved and has an auto 3-point calibration.
Sper Scientific large-display pH pen. Easy to carry, simple to operate and sufficient for most field pH tests. 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. Comes with 4 button-cell batteries and a built-in electrode kept moist with a protective cap. Measures: 1-1/2-inches length by 1-1/2-inches width by 6-1/2-inches height. 2.5 ounce weight. Grade level: middle-high school. No allergens. No choke hazard. 2 to12 pH range, 0.1 resolution, +/- 0.3 pH accuracy. Auto 3 pt calibration. CE Approved.
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