[Product Description] ◆Measurement Principle: Complies with the NIEA W211.51C method announced by the Environmental Protection Administration. Uses infrared light of 880nm to irradiate the water sample, and collects the scattered light at a 135-degree angle to detect the suspended solid concentration. ◆Material: 304 stainless steel shell, corrosion-resistant. ◆RS-485 output, Modbus communication. ◆Sapphire mirror, strong anti-interference ability, not affected by environmental light and chromaticity. ◆Equipped with automatic cleaning brush to prevent contamination and eliminate bubbles. ◆Automatically initiates cleaning once powered on. [Application] Suitable for wastewater, recycled water, aquaculture, and river/lake monitoring systems.