Product Overview

The Hamilton CRM Conductivity Standard 5 µS/cm, 250 mL (Part No. 238926) is a premium ISO 17034 Certified Reference Material (CRM) designed for the calibration, verification, and performance qualification of conductivity meters and conductivity sensors. This glycerine-based conductivity standard provides exceptional long-term stability, certified accuracy, and traceability to internationally recognized reference standards. It is specifically formulated for ultra-low conductivity measurements in pharmaceutical water systems, biotechnology, semiconductor manufacturing, and high-purity water applications.

Key Features

• Genuine Hamilton Certified Reference Material (CRM)
• Part Number: 238926
• Conductivity Value: 5 µS/cm at 25°C
• Volume: 250 mL
• Glycerine-based formulation for superior stability
• NIST traceable through an accredited metrology chain
• ISO 17034 Certified Reference Material
• Certificate issued under ISO/IEC 17025 (DAkkS/DANAK accredited)
• Certified accuracy of ±1%
• Long shelf life of 36 months from manufacturing
• Excellent stability after opening (up to 1 hour cumulative exposure)
• High-purity calibration solution
• Ready to use
• Supplied in premium glass bottle
• Suitable for laboratory and industrial calibration
• Colorless, odorless solution
• Manufactured by Hamilton Bonaduz AG, Switzerland.

Technical Specifications

Applications

• Calibration of conductivity meters
• Verification of conductivity sensors
• USP Purified Water testing
• Water for Injection (WFI) systems
• Pharmaceutical manufacturing
• Biotechnology processes
• Semiconductor ultrapure water monitoring
• Environmental laboratories
• Chemical laboratories
• Food & Beverage industry
• Academic and research laboratories
• Quality assurance and quality control laboratories
• Process analytical technology (PAT)
• High-purity water monitoring.

Benefits

• Certified Reference Material for regulated laboratories
• Reliable calibration of low-conductivity instruments
• Excellent long-term stability
• Reduced evaporation due to glycerine formulation
• Superior resistance to microbial contamination
• High batch-to-batch consistency
• Internationally recognized traceability
• Suitable for GMP and GLP environments
• Accurate conductivity verification
• Ready-to-use solution

Storage & Handling

• Store between 5°C and 35°C
• Keep bottle tightly closed after use
• Avoid contamination during calibration
• Total bottle opening time should not exceed 1 hour
• Do not return used solution to the original bottle
• Protect from direct sunlight and extreme temperatures.

Package Contents

• 1 × Hamilton CRM Conductivity Standard 5 µS/cm, 250 mL
• ISO 17034 Certificate of Analysis
• Product Label with Batch Number and Expiry Date

Industries Served

• Pharmaceutical Industry
• Biotechnology
• Semiconductor Manufacturing
• Chemical Processing
• Environmental Testing
• Food & Beverage
• Power Generation
• Water Treatment Plants
• Research Institutes
• Universities
• Quality Control Laboratories

Product Highlights

• Conductivity: 5 µS/cm @ 25°C
• Volume: 250 mL
• Part No.: 238926
• Base: Glycerine
• Accuracy: ±1%
• Certification: ISO 17034 CRM
• Traceability: NIST Traceable
• Shelf Life: 36 Months
• Storage: 5–35°C
• Packaging: Glass Bottle
• Application: Calibration & Verification of Conductivity Measuring Systems.