Environmental Express Oakton CERTIFIED CRM Conductivity and TDS Standard, Individually Tested, 150,000 µS; 500 mL
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Environmental Express Oakton CERTIFIED CRM Conductivity and TDS Standard, Individually Tested, 150,000 µS; 500 mL
This certified reference material provides a stable, NIST‑traceable conductivity and TDS standard for calibrating laboratory and field instrumentation. Each bottle is individually tested and verified, ensuring precise, defensible measurements for regulatory and quality‑controlled applications.
Key Features
- Individually tested CRM for conductivity and TDS calibration.
- Lot‑specific certification with full traceability.
- Produced under ISO 17034 and ISO/IEC 17025 accredited quality systems.
- Includes temperature compensation chart and multi‑scale TDS conversion data.
- Supports high‑to‑very‑high conductivity calibration requirements.
- Unopened shelf life of one year; opened shelf life varies by solution value.
Applications
- Calibration of conductivity and TDS meters in environmental, industrial, and laboratory settings.
- Verification of conductivity cell constants.
- Regulatory compliance testing for Federal, State, and local agencies.
- Quality assurance programs requiring individually verified reference materials.
Compliance & Certifications
- NIST‑traceable calibration certificate included.
- Manufactured under ISO 17034 and ISO/IEC 17025 accreditation.
- Meets method requirements for AOAC, EPA 120.1, APHA/AWWA/WEF 2510, ISO 7888, ASTM D1125, USP 645, and related standards.
- Supports A2LA/NVLAP accreditation and ISO 9001 quality manufacturing.
Specifications
- Catalog Number: 00652-56
- Conductivity Value: 150,000 µS/cm
- TDS Value: 99,000 ppm
- Volume: 500 mL (16 oz)
- 442 Conversion: 105,000 ppm
- KCl Conversion: 82,500 ppm
- NaCl Conversion: 75,000 ppm
- Reference Temperature: 25°C
Included Items
- Individually tested NIST‑traceable calibration certificate.
- Temperature compensation chart.
- TDS conversion chart (442, KCl, NaCl).
| Product Type: | Conductivity Standard Solution |
| Brand: | Oakton |
| Product Line: | Environmental Express |
| Accuracy: | ±0.25% microsiemens, or the uncertainty stated on the Certificate at 25°C |
| Conductivity: | 150000 µS |
| Resistivity: | 0.000006 MΩ |
| TDS: | 100000 ppm |
| Unit Size: | 500 mL |
| Includes: | Traceable® Certificate, step-by-step calibration instructions, individual temperature compensation chart and traceability information |
| Notes: | Individually tested for higher accuracy |
