Turbiditiy Meter instrument featuring QuadoptiX technology including: Four (4) sample cuvettes, Four (4) Calibration Standards, Two (2) packs of lint free cloths, & dilution tube, silicone oil and cleaning brush in a robust hard case. Range: 0 – 1050 NTU with a high sensitivity and high resolution of 0.01 NTU in the 0 – 1 NTU range, Provides superb validation of drinking water quality & with a wide dynamic range from 0 – 1050 NTU Provides robust and reliable measurement of other water turbidity and suspended solids for environmental studies. Calibration – using SDVB standards (supplied). Palintest England