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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
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