GroLine 1413 µS/cm Conductivity Standard with Certificate (230mL Bottle)
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Ensure your EC/TDS meters deliver accurate readings with this 1,413 µS/cm conductivity standard. Formulated using NIST-traceable potassium chloride and manufactured under strict ISO protocols, it comes with a Certificate of Analysis for dependable calibration. The airtight, tamper-proof bottle includes a temperature compensation chart, along with clearly printed lot number and expiration date for full traceability. With exceptional stability, this unopened standard remains valid for up to 5 years, making it perfect for labs, greenhouses, hydroponics, and field applications.
Key Features
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High-quality 1,413 µS/cm conductivity standard (230 mL)
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NIST-backed formulation with Certificate of Analysis
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Includes temperature compensation chart for accurate calibration
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Airtight, tamper-proof bottle with lot and expiration tracking
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Up to 5-year shelf life when stored unopened
