• High-precision portable equipment designed for turbidity measurement in water, strictly complying with the RD 742/2013 regulation for public swimming pools. • Uses 90° nephelometric infrared technology following the ISO 7.027-1 standard, ensuring reliable results without interference from water color. • Measurement range from 0.01 to 1 NTU with a fast response time of less than 10 seconds. • Internal memory with capacity to store up to 150 measurement records for efficient tracking. • Includes rigid carrying case and a complete kit of accessories for immediate field use. • Simple calibration system with four standards included: 0.0, 20, 100, and 800 NTU. • Powered by 4 AAA batteries with automatic shut-off function after 10 minutes and low battery indicator. • Ideal for applications in pool sanitary control, water treatment plants, and environmental studies.