APERA TN400 Portable Turbidity Meter Kit
- Infrared light source — ISO7027 compliant
- Easy and quick calibration
- TFT Colored Screen (measurement mode, green in calibration) with graphic and text operation guides
- U.S. EPA certified, non-toxic, easy-to-use polymer standard solutions
- Accuracy: ±1% or 0.02 NTU, whichever is greater
- The test kit comes with 4 vials of high-molecular polymer turbidity standard solutions (0.02 NTU, 20.0 NTU, 100 NTU, 800 NTU), an EPA approved primary standard for calibration of turbidity sensors that is safe, non-toxic and disposable