Sper Scientific 850063 LCD Test Tube ATC pH Pen, ±0.1 Measuring Accuracy auspowers_batchone Indoor Omni-directional dome antenna

Indoor Omni-directional dome antenna

Rust-resistant

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Sper Scientific 850063 LCD Test Tube ATC pH Pen, ±0.1 Measuring Accuracy auspowers_batchone Indoor Omni-directional dome antennaSper Scientific 850063 LCD Test Tube ATC pH Pen, 0. 1 Measuring Accuracy Highly stable and accurate readings with a large LCD display. Designed for simple one hand operation. Automatically calibrates to pH 4, 7, 10 buffers and can be adjusted to recognize any other buffers as well. 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