Large big-digit LCD and splash-proof front panel 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 Microprocessor-based circuitry assures high accuracy and repeatable readings Requires only a 10mL sample size 2-point calibration, Auto Power Off Battery operated for field and on-site testing Data Hold and Min/Max record/recall Complete with 0 and 100 NTU standard solution test bottles, cleaning solution, test bottles with covers, cleaning cloth, six AAA batteries, and hard carrying case