GroLine 1413 µS/cm Conductivity Standard with Certificate (120mL Bottle)

Ensure accurate calibration of your EC/TDS meters with this premium-quality 1,413 µS/cm conductivity standard. Prepared using NIST-traceable potassium chloride and manufactured to ISO standards with precision equipment, it delivers reliable performance backed by a Certificate of Analysis. The 120 mL bottle is hermetically sealed and tamper-proof, featuring a temperature compensation chart on the label as well as clearly marked lot and expiration details for traceability. With excellent long-term stability, this unopened standard maintains its efficacy for up to five years, making it ideal for laboratories, hydroponics, greenhouses, and field use.

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Key Features

• Calibrated at 1,413 µS/cm for precise EC/TDS instrument verification

• NIST-traceable formulation with Certificate of Analysis

• Includes temperature compensation chart on the label for ease of use

• Secure, tamper-proof, airtight bottle ensures solution integrity

• Clearly annotated with lot and expiration for reliable tracking

• Up to 5 years of shelf life when stored unopened