Ideal for multi-point calibrations, this kit contains a set of three NIST-traceable pH solutions for both pH and ORP.

Available in:

  • Full Range pH only (pH 4, pH 7, pH 10, deionized water) — 1 liter each
  • Full Range pH plus ORP (pH 4, pH 7, pH 10, Zobell’s Solution) — 1 liter each

Includes:

  • Selected pH calibration solutions

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