Ohaus ST10S Salinity Pen Meter, Waterproof sold2025 there are many colors to

there are many colors to choose from

Once object has been contoured

2 In 1 Rubber Protector- Interesting rubber design offers three options for mounting - DOOR/WALL/FLOOR MOUNT

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Ohaus ST10S Salinity Pen Meter, Waterproof sold2025 there are many colors toOhaus ST10S Salinity Pen Meter, Waterproof Ohaus pen meters provide accurate measurement of pH, oxidation reduction potential (ORP), conductivity, salinity and total dissolved solids (TDS). Starter pen meters are the economical option when you are simply looking for meters that will provide accurate measurement with no restriction. Each meter offers simple operation in a slim & portable design providing fast, straight forward results time and time