Turbidity Meter, Portable Digital Water Turbidimeter, ISO7027 Compliant, Accuracy 0.1, 0-200NTU, LCD with Backlight, for Lab Water Treatment Plant Wine Industry [Professional]: This turbidity meter works on the principle of 90° scattered light. The instrument is calibrated with turbidity standard solution specified by ISO7027. The measuring ran of this instrument is 0-200 NTU. The stability of the displayed value is ±1.5% (F.S30min), and the accuracy of the displayed value is 0.1. [Clear and easy to read]: This turbidity meter is equipped with an LCD display with backlight, which has accurate readings and can effectively avoid the influence of natural light on the readings. Therefore, it can clearly display the values whether indoors or outdoors. You can read the readings at any time. [Long service life]: This turbidity meter is equipped with a stable circuit system and an efficient and long-life light source, and the instrument can work stably for a long time. At the same time, it is equipped with a high-precision optical path system, which can effectively improve the accuracy of the test results. Wide Application: The turbidimeter is suitable for turbidity measurement in laboratories, power plants, water plants, bevera factories, water quality testing departments, scientific research, brewing industry and other departments.