Portable Turbidity Meter
Manufacturer: Apera Instruments
The Apera Instruments TN400 Portable Turbidity Meter is built with an infrared light source, using ISO7207 compliant cephalometric method (90°), equipped with a large TFT screen with intuitive operation navigation, designed for lab-grade turbidity measurement from 0 to 1000 NTU in various applications e.g. drinking water analysis, water treatment, wine making, beer brewing, etc.
Comes with 4 vials of high-molecular polymer turbidity standard solutions (0. 02 NTU, 20. 0 NTU, 100 NTU, 800 NTU), which are EPA approved primary standard for calibration of turbidity sensors that is safe, non-toxic and disposable; NIST traceable to particle size/distribution and optical density, and its inherent stability means it does not settle from suspension. The standards have a one-year shelf life.