Apera Instruments AI4201 AMCO Turbidity Standard Calibration Solution Kit (0,20,100,800NTU) for TN400 and TN500i

Features:

• Standard Calibration Solution Set for Apera Instruments TN400 Portable Turbidity Meter
• AMCO Clear^®  turbidity standard solutions (0.02 NTU, 20.0 NTU, 100 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 convenient submicron polymer suspensions are non-toxic primary calibration standards approved by the US EPA for drinking water analysis for turbidity.
• AMCO Clear^® is the unique, non-toxic low-level turbidity standard that can reliably read from 0.02 NTU to 10,000 NTU every time.
• Store at room temperature. Never freeze.