The TB400 includes all the accessories needed to conveniently test the turbidity of municipal water, including food processing and beverage manufacturing, and other applications in which fluid clarity is vital. Microprocessor-based circuitry assures high accuracy and repeatable readings. Requires only a 10mL sample size. Two ranges: 0.00 to 50.00NTU and 50 to 1000NTU with ±5%FS accuracy. 2-point calibration. Splash-proof front panel. Battery operated for field and on-site testing.