Item Type: Digital Turbidity Meter Material: ABS Battery: 5 x 1.5V AA battery (battery not included) Usage: Suitable for water works, water treatment plants, water reuse in swimming pools, food and beverage industries Basic Parameter: Measurement Principle: 90 scattered light Minimum Indication (NTU): 0.1 Measuring Range (NTU): 0-200 190 Degree Scattered Light: This turbidity meter adopts the principle of scattered light, has good linearity in measuring turbidity 2Accurate Measurement: Unique positioning structure and high precise optical system can effectively ensure the accuracy and repeatability of measured values 3Microcomputer Configuration: The turbidimeter adopts microcomputer configuration, has average measurement mode, data storage and query functions, and automatically switches between re ranges 4Portable and Easy Operation: This handheld precise intelligent instrument is easy to operate with operating keys, comes with a storage box for easy carrying and storage 5Wide Application: This turbidity meter is suitable for water works, water treatment plants, water reuse in swimming pools, food and beverage industries1 x DigitalTurbidityMeter 3 x Sample Bottle 1 x Dropper 1 xCalibrationSolution 1 x USB Cable 1 x Manual 1 x Plastic Box