Stablcal Vial for IQ/OQ calibration verification, 10 NTU, for TL23 Series

Product #: 2659902
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IQ/OQ requires verification after calibration using a 10 NTU standard. The TL23 turbidimeters are set with the 10 NTU standard as the default for customers who require IQ/OQ. If IQ/OQ is required, the 10 NTU standard must be purchased separately (Hach PN 2659902).

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