Used to control turbidimeter calibration stability.
Hach Turbidity Standard (p/n 2589000) is required to control turbidimeter calibration stability. The standard is not to be used for turbidity meter calibration. Gelex Secondary Turbidity Standard Kit consists of five sealed vials. Each vial has the following range of NTU concentration: 0-2 NTU, 0-20 NTU, 0-200 NTU and 200-4000 NTU.
| Brand | Hach |
| Parameter | Turbidity |
| Concentration | 0-2 NTU, 0-20 NTU, 0-200 NTU, 200-4000 NTU |
| Quantity | Set of 5/pk |
