Required to control calibration stability of the turbidity meter.
Ready-to-use Standard Solution is required for simple and reliable control of the turbidity meter calibration stability. The standard is not to be used for turbidimeter calibration. Gelex Secondary Turbidity Standard Kit contains sealed vials with NTU in the range of 0-2 NTU, 0-20 NTU and 0-200 NTU.
| Brand | Hach |
| Parameter | Turbidity |
| Concentration | 0-2 NTU, 0-20 NTU, 0-200 NTU |
