T500-1 Polymer AMCO Turbidity Calibration Solution Kit for TN500 and TN420

The picture may be different from the article and can include supply, which is not in the standard scope.

 

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. The standards have a guaranteed one-year shelf life even if you've opened the bottle and happened not to have recapped it tightly. The convenient submicron polymer suspensions are non-toxic primary calibration standards approved by the US EPA for drinking water analysis for turbidity.

*Store at room temperature. Never freeze.