Hanna GroLine 1413 µS/cm Conductivity Standard — 1 Gallon
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✓ In-store pickup available in Peabody, MA
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1413 µS/cm (1.41 mS/cm) is the standard calibration point for EC and TDS meters. This 1-gallon jug of GroLine conductivity standard — supplied with a certificate — is the economical size for rooms that calibrate meters constantly.
Hanna conductivity standards are prepared to precise formulas and standardized against NIST-traceable references; lot number and expiration date are printed on the label.
