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The HI88703-11 Turbidity Calibration Standards for HI88703 provide a simple solution to calibrating and validating turbidity meters that have a 0 to 4000 NTU range. Hanna turbidity calibration standards are prepared from NIST traceable primary standard reference materials and come supplied with a certificate of analysis. The certificate of analysis provides the lot number, reference values, and expiration date for traceability when certifying the appropriate turbidity meter.
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