Feature 1[High Accuracy] Accurate and intelligent instrument that measures turbidity with good linearity, accurate and reliable measurement results, and is easy to operate. 2[LED Display] Turbidity meter with backlit LED display, which is clear, allowing you to easily read data during the night, to meet your various need. 3[Durable Material] Made of high quality ABS material, which is durable, safe, stable performance, and can be used for a long time. 4[Lightweight And Portable] The digital turbidity meter is exquisite in workmanship, lightweight, easy to carry, and can automatically shut down. 5[Widely Application] Widely used in water works, water treatment plants, swimming pools, food and beverage industries, is an essential instrument for water laboratory.Item Type: TurbidimeterMaterial: ABSProduct Size: Approx. 21 x 7.5 cm / 8.3 x 3 inMeasuring Principle: 90 Scattered lightMinimum Indication: (NTU) 0-200Measuring Range: (NTU) 0.1Calibration Point: 2Indication Error: 6%(2%F.S)Repeatability: 0.5%Zero Drift: 0.5%F.SPower Supply: DC 1.5V 5 x AA alkaline dry batteries (Battery Not Included)Parameters Voltage: US plug 100-240V 50/60Hz/0.1A/DC5V, automatic shutdown, AC and DC dual purposeWeight: Approx. 1210g / 42.7oz .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Turbidimeter(Battery Not Included)1 x Adapter3 x Bottle1 x Tube1 x Storage Box1 x ManualNoteThe turbidimeter is a combination of photoelectric accurate measuring instruments, the instructions should be read carefully before operation, and corrective measures should be taken to obtain accurate results.1. Must meet the environmental working conditions.2. The measuring cell must be clean and dry for a long time, and the shielding cover must not be covered with dust when not in use.3. In humid climates, the startup time must be extended.4. The test solution should be carefully poured along the sample bottle to prevent air bubbles from affecting the measurement accuracy.5. Recalibrate after changing vials or repairs.6. Non professional maintenance engineers, please do not open the instrument for maintenance.Working conditions:1. The instrument should be placed in a dry room at a temperature of 5C35C.2. When using, it should be placed on a flat work surfaces and avoid vibration.3. Indoor lighting should not be too strong, and avoid direct sunlight.4. Try to stay away from highintensity magnetic fields, electric fields and electrical equipment that generates high frequency waves.5. Avoid high temperature close to the instrument.6. Power supply to the instrument: 220V22V, 501Hz, and must be equipped with a good ground wire.7. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.