Description

Altus Science’s 1.3 µs/cm aqueous conductivity standards are specifically designed for low-level verification of conductivity sensors, giving complete confidence your sensor is performing as it should be.
Manufactured under a rigorous ISO 17034 and ISO 17025 accredited Quality Management System, these standards are NIST traceable and fully compliant with USP <645>, EP 2.2.38, and other major pharmacopoeias.
Supplied in single-use 30 ml bottles, exposure to atmospheric CO₂ (nominally ~400 mg/L TIC) is minimised preventing measurement drift common in partially used containers. The aqueous matrix is matched to typical pharmaceutical water samples to reduce matrix errors, and bottles are compatible with magnetic stirrers.
Each bottle is accompanied by its own Certificate of Analysis, ensuring traceability, accuracy, and confidence in every measurement—ideal for calibration, validation, and routine daily checks across all major meter brands.