Find Your Turbidity Standard

Select your instrument make and model, NTU value, or size to find the exact calibration standard you need.

AMCO Clear Turbidity Standards are EPA-approved, NIST-traceable primary standards designed for reliable calibration of turbidity meters. Produced as a stable aqueous polymer suspension, they require no preparation or mixing — just open and calibrate. Each lot is verified for photometric accuracy using UV-VIS spectroscopy.