Turbidity meter

Turbidity meters, based on optical principles, quantify the concentration of suspended particles in water in NTU units and are a core tool for water quality monitoring. They feature high accuracy, fast response, and a portable design, making them suitable for both laboratory and field applications. They can be used for real-time monitoring of filtered water quality in water treatment plants to ensure safe water supply, controlling product clarity in the food and pharmaceutical industries, assessing turbidity in rivers and lakes to provide pollution warnings, and optimizing wastewater treatment processes. They comprehensively support precise water quality management across various industries, safeguarding the environment and production safety.

  • Specification

Technical Specifications & Engineering Parameters

Measurement Principle ISO 7027 compliant 90-degree scattered light nephelometric method
Light Source Near-infrared LED (860 nm wavelength) eliminating sample color interference
Measurement Ranges Low turbidity: 0.001 to 20.00 NTU; High turbidity: 0.01 to 400.0 NTU / 0 to 4000 NTU
Measurement Accuracy ±2.0% of reading or ±0.01 NTU (Whichever is greater)
Display Resolution 0.001 NTU (Low range) / 0.01 NTU (High range)
Automatic Cleaning Optional integrated mechanical wiper for self-cleaning sensor optics, preventing biofouling
Wetted Sensor Materials Stainless steel 316L, optical sapphire glass window, Viton O-rings
Signal Outputs Dual isolated 4-20mA current outputs, RS485 Modbus-RTU digital communication
Control Relays Dual programmable relay contacts for out-of-spec alarm or dosing valve trigger
Operating Pressure Sensor pressure rating up to 0.6 MPa (6 bar)
Power Supply 100-240V AC 50/60Hz or 24V DC
Enclosure Rating Controller IP65 wall/panel mount; Sensor probe IP68 submersible


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