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Battery can not be included during the shipping Overview For measuring the light scattering from the insoluble particles suspended in water or transparent liquid, and to quantitatively characterize the content of the suspended particulate matter. Can be widely used in power plant, pure water, water plant, sewage treatment plant, beverage plants, environmental protection departments, industrial water, the wine industry and the pharmaceutical industry, epidemic prevention departments, hospitals and other departments of the turbidity measurements. Specification Minimum Principle 90 ° scattered light Minimum readout (NTU) 0.1 Measuring range (NTU) 0 ~ 200 Basic error F.S ± 2.5% F.S Repeatability ≤1.5% Zero draft (NTU) 0.2 Power supply DC 1.5V × 5 AA alkaline batteries AC 220V / 50Hz / DC7.5V / 0.2A power adapter External dimension 235 × 75 × 65mm Characteristics LCD liquid crystal display, LED light source, Automatic shut-down, AC and DC with two, With case