Circulating water typically refers to industrial circulating cooling water. It is widely used in factories to condense steam and cool products or equipment. The OLTU600 online laser turbidity sensor, developed by Daruifuno, is a precision instrument designed to measure the turbidity of industrial cooling water. Accurate turbidity monitoring is essential, as poor cooling efficiency can reduce production rates, compromise product quality, and even lead to costly accidents.

According to industry standards, the turbidity of water in open indirect cooling systems should generally be ≤20 NTU. For systems using advanced heat exchangers such as plate-type or spiral-type models, turbidity requirements are stricter, ≤10 NTU. The OLTU600 offers a wide measuring range of 0.001~100 NTU and automatic range switching, ensuring precise and reliable measurements for diverse industrial needs.

The OLTU600 online laser turbidity sensor is widely used in various water quality monitoring scenarios, including:
| Product Model | OLTU600 |
| Signal Type | Digital RS485 Modbus |
| Measuring Principle | 660nm laser scattering principle |
| Measuring Range | 0.01~100NTU |
| Accuracy | 0.001~40NTU is ± 2% of the reading or ± 0.015NTU, take the larger one; |
| 40~100NTU is ± 5% of the reading | |
| Resolution | 0.001NTU |
| Calibration | Multi-point calibration; Contrast Offset; Factor offset |
| Flow requirement | 100~700mL/min |
| Operating Temperature | 0~45℃ |
| Shaft Material | ABS |
| Protection Grade | IP65 (indoor) |
| Power Supply | 9~18VDC |

With its advanced laser scattering technology and precise turbidity measurement capabilities, the OLTU600 is an essential tool for maintaining water quality in industrial and municipal applications. Its compact design, robust construction, and ease of integration make it a trusted choice for engineers and technicians worldwide.
Whether you are monitoring industrial cooling water, ensuring compliance with water quality standards, or optimizing filtration processes, the OLTU600 provides the accuracy and reliability you need. Invest in the OLTU600 to safeguard your systems and enhance operational efficiency.
For detailed product information or to discuss your specific application needs, please contact us today. Let us help you achieve optimal water quality with our state-of-the-art turbidity solutions.
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