Myron L Ultrapen PT2 pH & Temperature Pen Grommets Autopilot Desktop CO2 Monitor and

Autopilot Desktop CO2 Monitor and Data Logger

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A square pack cannot use that gap without canting across the diameter

Myron L Ultrapen PT2 pH & Temperature Pen Grommets Autopilot Desktop CO2 Monitor andThe Myron L Ultrapen PT2 pH & Temperature Pen is designed to be extremely accurate, fast and simple to use in diverse water quality applications. Advanced features include automatic temperature compensation; highly stable microprocessor based circuitry; user intuitive design; and waterproof housing. A true one handed instrument, the PT2 is easy to calibrate and easy to use. To take a measurement, you simply push a button then dip the pen in solution.