Solid turbidity- and sludge blanket-meter for mobile use. Features: • The "Aqua Stratometer plus" is a simple to use and mobile meter for measurement of turbidity and sludge blanket of fluids. • The measuring system is based on the 90° - scattered light method. This garanties exact measuring values - even in low turbidity ranges. • The "Aqua Stratometer plus" switches automatically from one range to the next (0-25 FNU; 25-500 FNU; 500-1800 FNU). • The measuring depth can be read directly on the cable in steps of 0,5 meter. The depth can also be logged on the integrated data-logger. Specifications: Sensor: • Wavelength: 880 nm • Measuring distance: < 50 mm • Linearity: < 2% (0-750 FNU) Measuring Range/ Resolution: • 0 - 25 FNU with 0,1 FNU • 25 - 500 FNU with 0,5 FNU • 500 - 1800 FNU with 1 FNU • Measuring depth up to 10 m Functions: • one-button-control • automatical switch from one range to the next • place. time and depth can be logged • data-logger for 100 data-sets • USB-interface for easy data-transmission • Software for interpretation of data Power Supply: • Li-ION-accu 3,7 V / 1800 mAh • battery charche via USB-interface • power adaptor 230 V Functional Range: • operating temperature: 0 °C ...60 °C • charging temperature: 0 °C ...40 °C • storage temperature: -20 °C ...60 °C • enclosure type: IP 56, dustproof / waterproof Dimensions/ Weight: • dimensions: 230 x 262 x 360 mm • weight: 4,5 kg Standards: • DIN EN 55011 • DIN EN 61000-4-2 • DIN EN 61000-4-3 • DIN EN 61000-4-4 • DIN EN 61000-4-6 • 2004/108/EG • CE