Required to check turbidity meter calibration stability.
Gelex Secondary Turbidity Standard is used for fast and reliable control of the turbidimeter calibration stability. The standard may not be used to conduct turbidimeter calibration. Hach Turbidity Standard (p/n 2589100) is compatible for use with 2100N, 2100N IS, 2100AN and 2100AN IS turbidity meters. It is required to read safety instructions and expiration date printed on each bottle. It is recommended to use protective equipment for safety purposes.
| Brand | Hach |
| Parameter | Turbidity |
| Instrument | 2100N, 2100N IS, 2100AN, 2100AN IS |
