TB400 Portable Turbidity MeterApplicationsTest the turbidity of municipal water, food and beverage water, and other aqueous solutions where fluid clarity is important. Portable design allows you to take measurement on-site instead of bringing solution back to the lab. Measures up to 1000 NTU (Nephelometric Turbidity Unit) with 0.01 NTU resolution.Features• Microprocessor-based circuitry assures high accuracy and repeatable readings • Requires only a 10mL sample size • 2-point calibration • Splash-proof front panel • Battery operated for field and on-site testing • Data Hold and Min/Max record/recall • Auto power off • Complete with 0 NTU standard solution test bottle, 100 NTU standard solution test bottle, cleaning solution (distilled water), (2) test bottles and covers, cleaning cloth, six AAA batteries, and hard carrying case