Polymer AMCO Turbidity Standard Calibration Solution Kit (20/100/400/800NTU) for TN500 and TN420
Standard Calibration Solution Set for Apera Instruments White Light Portable Turbidity Meters (TN500 and TN420)
AMCO Clear® turbidity standard solutions (20.0 NTU, 100 NTU, 400 NTU, 800 NTU).
AMCO Clear® is an EPA approved primary standard for calibration of turbidity sensors that is safe, non-toxic and disposable. It is easy-to-use with no dilution or resuspension, and it is available in a wide range of values.