Apera GroStar GS4-E Replacement pH/EC Combo Electrode

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AI58040 - GroStar GS4-E replacement pH/EC combo electrode • Measures pH, conductivity (EC and PPM) and temperature• Combo probe built with lithium glass membrane and titanium alloy to ensure high accuracy and durability• Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance• double junction structure uses blue gel electrolyte without the air bubble • 1-year warranty Show more