2, White wire—485 data_B (485_B)

3, Yellow wire---485 data_A (485_A)

4. Black wire---power supply-- (GND)

5. Bare wire shielding layer

* Standardized workshop and process
* Strict professional quality inspection
* Return is supported if the product is unqualified.
* Fast delivery
* Warranty for 1 years

The turbidity sensor provided by our company has a one-year warranty from the date of delivery, and the repaired or replaced product will only enjoy the remaining warranty period. After receiving the product quality problem provided by the customer, our company will confirm whether the product needs repair within 24 hours; if the repair permit is not obtained, the user must not send the product back without authorization.
In principle, the quality of the products provided by our company shall be implemented in accordance with the technical standards stipulated by the purchaser. When the purchaser has no prescribed technical standards, our company will follow the current national standards or implement relevant factory standards, and ensure the stability and gradual improvement of product quality.
The supplier guarantees that the products supplied meet the statutory quality standards, and are responsible for the quality of the products, and that the product packaging and registered trademarks are in compliance with the relevant national regulations.
The purchaser shall store the product in strict accordance with the storage conditions required by the product, and the purchaser shall be responsible for the product quality problems caused by the poor storage and maintenance of the product by the purchaser.