Meets and exceeds USEPA Method 180.1 for measuring turbidity for drinking water compliance. One controller accepts up to two plug and play sensors giving you two complete turbidimeters. Sensitive to fine changes in low level turbidity with a built-in bubble removal system. Built-in data logger stores up to 6 months of data. Versatile digital output-MODBUS. Two year warranty. Accuracy. Simplicity. Data Collectio and Dispaly. USEPA Reporting. Experience.