Specification:
Item Type: Turbidimeter
Material: ABS
Product Size: Approx. 21 x 7.5 cm / 8.3 x 3 in
Measuring Principle: 90° Scattered light
Minimum Indication: (NTU) 0-200
Measuring Range: (NTU) 0.1
Calibration Point: 5
Indication Error: ±6%(±2%F.S)
Repeatability: ≤0.5%
Zero Drift: ±0.5%F.S
Power 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 purpose
Weight: Approx. 1210g / 42.7oz

How to Use:
1. Turn on the power switch of the instrument2. Wipe the water marks and fingerprints on the sample bottle with a lint‑free soft cloth, soak it in an easy to scrub detergent and then rinse it with water: prepare a turbidity standard solution for calibration (not included)3. Preparation of zero turbidity water and calibration solution (not included)4. Collect a representative sample in a clean, good container5. Start the measurement and see the test results

packing list:
1 x Turbidimeter (Battery Not Included)
1 x Adapter
3 x Bottle
1 x Tube
1 x Storage Box
1 x Manual

Note:
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 5°C‑35°C.
2. When using, it should be placed on a flat work surfaces and avoid vibration.
3. Indoor lighting should not be too strong, and