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Cal Solution 447US OAKTON

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Ideal for laboratory and field analysis
  • All Oakton Conductivity and TDS Standards are traceable to NIST standard reference materials
  • Solutions help you calibrate conductivity instruments to ensure accuracy
  • Standard values given at 25°C
  • Use when readings are expected to be around 447 µS/cm


KCl, NaCl and 442 conversions printed on the bottle for ease of use (excluded on 60-mL bottle, but included in insert). Temperature corrections are printed on the bottle, with certified values listed in tables and referenced to 25°C (excluded on 60-mL bottle, but included in insert). Manufactured under ISO 9000 quality guidelines and traceable to NIST standards. If unopened, shelf life is 1 year. If opened recommended shelf life is 4 months. Conductivity options range from 1 µS/cm to 200,000 µS/cm.

Specifications & Description

  • Conductivity Value (µS)447
  • Conductivity Value (mS)0.447
  • Volume (mL)500
  • Volume (oz)16.9
  • Conductivity-to-TDS Calibration Values (ppm 442)300
  • Conductivity-to-TDS Calibration Values (ppm KCl)225.6
  • Conductivity-to-TDS Calibration Values (ppm NaCl)215.5
  • DescriptionConductivity and TDS Standard, 447 µS; 500 mL
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