Medium to High Turbidity Measurement (Backscatter Light Technology)

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Product Details:

Humidity 0 - 95% RH non-condensing
Automation Grade Automatic
Response Time <2 seconds
Mounting Type Threaded or submersible
Accuracy 2% of reading or 0.5 NTU
Max Height 198 mm (sensor length)
Gas Pressure N/A (Liquid phase measurement)
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Medium to High Turbidity Measurement (Backscatter Light Technology) Product Specifications

Test Width Sensor diameter 38 mm
Response Time <2 seconds
Automation Grade Automatic
Humidity 0 - 95% RH non-condensing
Display Type Graphical LCD / digital output
Port Size G1/2
Frequency N/A (continuous optical measurement)
Application Medium to high turbidity water and process fluids
Equipment Type Online Turbidity Analyzer
Gas Pressure N/A (Liquid phase measurement)
Max Height 198 mm (sensor length)
Mounting Type Threaded or submersible
Accuracy 2% of reading or 0.5 NTU
Features Backscatter light technology, auto-clean, robust IP68 sensor
Usage Continuous online monitoring
Operating Voltage 12...24 VDC
Specimen Size Contact surface: 25 mm2
Test Speed Real-time continuous
Resolution 0.1 NTU
Temperature -5C to +55C (operating)
Test Stroke Fixed (optical measurement)
Capacity Unlimited sample flow
Interface Type 4-20 mA analog, RS485 (Modbus)
Machine Weight 3.5 Kg
Measuring Range 10 - 5,000 NTU
Control Mode Microprocessor-based digital control
Power Supply 12...24 VDC
Test Range 0 to 5,000 NTU
Hardness High impact-resistant body
Number of Specimens Single-channel

Sample Flow Rate Up to 100 L/min (depending on piping)
Alarm Outputs Programmable relay
Light Source 880 nm infrared LED
Sensor Cleaning Automatic wiper integrated
Enclosure Rating IP68 fully waterproof
Data Logger Optional
Sensor Material 316L stainless steel, sapphire optical window
Display Language Multilingual support
Process Connection Threaded, clamp or immersion accessories
Calibration Factory calibrated; user calibration available
Output Protocols Modbus RTU, 4-20 mA, pulse
Storage Temperature -20C to +70C
Cable Length Standard 5 m (custom lengths available)
Safety Compliance CE certified

Medium to High Turbidity Measurement (Backscatter Light Technology) Trade Information

Main Export Market(s) Western Europe, Central America, Asia, North America, Eastern Europe, Middle East, South America, Australia, Africa
Main Domestic Market All India

Product Description

Medium to High Turbidity Measurement (Backscatter Light Technology)

Functioning on the basis of optical fiber technology-(Backscatter Light Technology)
Broad measurement range from medium to high turbidity - quick process adaption and easy installation.
Suitable for biopharmaceutical and chemical processes
Real in-line multi-point calibration
Quick process adaption with 12mm
allows easy static and retractable installation

Product details

Weight	3kg
Brand	METTLER TOLEDO
Material	Stainless steel

Cutting-Edge Turbidity Sensing for Challenging Environments

The Online Turbidity Analyzer employs backscatter light technology, enabling accurate measurements in tough conditions with medium to high turbidity levels. Its robust 316L stainless steel build and sapphire optical window deliver exceptional resistance to harsh chemicals and mechanical impact, ensuring long service life. The IP68 waterproof rating makes it perfectly suited for permanent submersion, whether youre monitoring water treatment plants, industrial effluent, or processing lines.

Flexible Integration and User-Friendly Operation

With support for Modbus RTU, 4-20 mA, and pulse outputs, this turbidity sensor fits seamlessly into diverse automation architectures. Its graphical LCD, multilingual display, and programmable relay alarms make operation and monitoring straightforward. Factory calibration ensures immediate accuracy, while user calibration caters to unique on-site requirements. Automatic cleaning and optional data logging further reduce maintenance effort and provide reliable, continuous data for process control.

FAQs of Medium to High Turbidity Measurement (Backscatter Light Technology):

Q: How does the backscatter light technology measure turbidity in this analyzer?

A: This analyzer uses 880 nm infrared LED to emit light into the sample. Particles in the water scatter the light back toward the sensor, and the intensity of this backscattered light is directly measured by advanced optics. The resulting signal is proportional to the turbidity, allowing precise, real-time quantification from 10 to 5,000 NTU.

Q: What are the primary installation methods and process connections available?

A: The analyzer is highly versatile and can be installed using threaded, clamp, or immersion accessories. This allows mounting in pipes, tanks, or open channels. The IP68 rating means it can remain submerged during operation, enhancing installation flexibility for various industrial and municipal applications.

Q: When is user calibration recommended, and how is it performed?

A: While the sensor is factory calibrated for immediate use, user calibration is advisable when operating conditions differ significantly from standard references, or for compliance with internal quality protocols. Calibration is performed through the digital interface, guided by on-screen prompts, using known turbidity standards to ensure measurement accuracy.

Q: Where is this turbidity analyzer most beneficially used?

A: It excels in environments with medium to high turbidity, such as wastewater treatment plants, industrial process control, and monitoring of process fluids. The robust construction, waterproof rating, and automatic wiper make it ideal for sites with challenging water quality and high potential for fouling.

Q: What makes the sensor suitable for continuous online monitoring in harsh environments?

A: The combination of a high-impact-resistant 316L stainless steel body, scratch-resistant sapphire window, and IP68 waterproof rating guarantees durability under demanding conditions. Its integrated automatic wiper minimizes performance loss due to fouling, ensuring stable, maintenance-light operation.

Q: How does the device interface with control systems, and what data outputs are available?

A: The sensor supports 4-20 mA analog output and Modbus RTU over RS485 for easy integration with SCADA or PLC systems. It also provides pulse and programmable relay outputs for direct alarm or control actions. An optional data logger captures and stores measurements for later analysis.

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