Features:  * Designed to meet ISO 7027. * NTU ( Nephelometric TURBIDITY Unit ) measuring unit. * Wide and auto measurement range : 0 to 1,000 NTU. * High resolution : 0.01 NTU/1 NTU. * The unique optics structure, enables the instrument to read low value of TURBIDITY to the high level up to 1,000 NTU. * Four operation buttons and two calibration points, easy operation. * Jumbo LCD, easy readout. * Microprocessor circuit assures maximum possible accuracy, provides special functions and features. * Battery operated for field and on-site testing convenience. * Data hold function for freezing the desired value on display. * Records Maximum and Minimum readings with Recall. * Heavy duty & compact housing with hard carrying case, designed for easy carry out & operation. * Auto shut off is available to save battery life. * Application : Test municipal water, food and beverage water, or other aqueous solution where fluid clarity is important.        Specifications:  Circuit:Custom one-chip of microprocessor LSI circuit. Display:LCD size : 41 mm x 34 mm Range: 0.00 to 50.00 NTU, 50 to 1,000 NTU * NTU : Nephelometric Turbidity Unit * Auto range Resolution :0.01 NTU/ 1 NTU Accuracy: ± 5 % F.S. or ± 0.5 NTU, which ever is greater. Light source: LED, 850 nm. Detector :Photo diode Standard :Meet ISO 7027. Response time: Less than 10 seconds. Sample volume needed: 10 mL. Data Hold: Freeze the display reading. Memory Recall: Maximum & Minimum value. Display Sampling Time :Approx. 1 second. Power off :Auto shut off saves battery life or manual off by push button. Calibration points: 0 NTU, 100 NTU.  Operating Temperature 0 to 50 Celsius Operating Humidity Less than 85% R.H.                             The package not included batteries and any liquids and powder