Check the listing for details. AquaMaster COMBO METER P700 PRO2 - pH, EC, Temp - Conductivity - Hydroponics. Condition: New. Listed at 259.50 USD. Aqua Master P700 Pro 2 Combo MeterThe Combo meter P700 Pro 2 offers continuous monitoring and is perfect for measuring the pH, EC, CF, PPM, and temperature of all kinds of liquids in different industries. It is equipped with a large LED screen and a modern and robust housing, making it very user-friendly and giving you fast and accurate measurements. We understand the importance of having a monitor that can be used for a long time. To ensure this, each monitor has replaceable electrodes so that you can use it for years. Additionally, the P700 Pro 2 combo meter is equipped with a rechargeable integrated battery, making it simple to use and able to satisfy all your measuring needs.We recommend storing the pH electrode with KCI storage solution in the protective cover.About Aqua Master ToolsA great deal of knowledge has been accumulated.After decades of working with measuring instruments, a lot of knowledge has accumulated. This is how the idea of Aqua Master Tools was born. The founder wanted to develop measuring tools that were more user-friendly and affordable. Aqua Master Tools was founded in 2018 in the Netherlands with the vision of offering reliable and practical measuring instruments at an affordable price to customers around the world.