snippet: WD-00652-76, Conductivity and TDS Standard, 150000 uS Includes: <ul><li>Temperature compensation chart </li> <li>TDS conversion chart </li> <li>NIST-traceable calibration certificate with data. </li> </ul> Features <ul><li>Oakton® Traceable® One-Shot™ conductivity and TDS standards include detailed KCl, NaCl, and 442 conversions, temperature corrections, and certified values referenced to 25°C-convenient!! </li> <li>Average accuracy at 25°C is ±0.25 microsiemens for 1, 5, 10 microsiemen (µS) solutions, or ±0.25% for all other solutions. The tested uncertainty is shown on the certificate, whichever is greater </li> <li>Batch-tested solutions are lot certified; a few bottles from a single lot are analyzed </li> </ul> Methods Supported Certified reference material meets test requirements for Federal, State, and local agencies, CAP, ASTM, NCCLS, CLSI, ACS, CLIA, AOAC, EPA, APHA, AWWA, WEF, USGS, USP, and ISO. Traceable® Conductivity Standards complies with and is essential for use in these official methods: AOAC 973.40, EPA 120.1, Standard Method 2510 (APHA, AWWA, WEF), ISO 7888, DIN 38404, ASTM D1125, USGS I-1780, USP 645, and for A2LA/NVLAP accreditations/ISO 9000 certifications. Material may be used to calibrate all conductivity meters and to determine all conductivity cell constants. A2LA Accreditation ISO/IEC 17025:2005 (1750.01) To assure accuracy an individually serial-numbered Traceable® Certificate is supplied to indicate traceability to standards provided by NIST (National Institute of Standards and Technology) and/or a National Standards Laboratory. A2LA accredited certification provides the highest achievable level of quality assurance, documentation, and accuracy. Conductivity Standards are produced in an A2LA accredited ISO/IEC 17025:2005 (1750.01) calibration laboratory. Additional certifications include ISO 31 (certificate content) and ISO 35 (statistical analysis), plus ISO 9001 (certified quality manufacturer). <table class="dataTable" border="0" width="100%" cellspacing="1" cellpadding="2"><tr><td>Unit of Measure </td> <td>Pack of 6 pcs </td> </tr> </table>

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