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  • NaCl calibration solution, available in 342 ppm or 1000 ppm.
  • Comes in lightweight HDPE plastic bottles.
  • Sealed with a coated foam liner.

For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges.

  • NaCl solution
  • Available in 342 ppm or 1000 ppm
  • 3 oz. bottles (88.7 ml)
  • Solution Conversions

    342 NaCl = 
    362 as KCl 478 as "442" 700

    1000 NaCl = 
    1060 as KCl 1450 as "442" 2000

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442 is a registered trademark of the Myron L Company.