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Suntex

Low Range Turbidity Transmitter and Sensor

Low range turbidity transmitter and sensor for clean water, with resolution up to 0.0001 NTU, ISO 7027 compliant LED sensor and anti-bubble design. Ideal for drinking water, boiler water, recycled water, beverage raw water and membrane fouling monitoring.

Key Features

  • Low range turbidity measurement for clean water
  • Resolution up to 0.0001 NTU
  • ISO 7027 compliant sensor with long-life white LED
  • Built-in bubble removal device
  • Heated optical window prevents mist interference
  • Optical dry standard modules for easy calibration
  • Dual channel, connects up to two turbidity sensors
  • Graphical icon menu with text information
  • Two isolated 0/4~20mA outputs
  • RS-485 Modbus communication with 50 event logbook
  • Programmable alarm relays (Hi/Lo, Hi/Hi, Lo/Lo)
  • Automatic wash function
  • Password protection
  • Transmitter IP65 (NEMA 4X)

Product Description

This Suntex low range turbidity system combines a transmitter and sensor for high resolution turbidity measurement in clean water applications. The transmitter has a graphical icon menu with text information for intuitive operation, shows readings in digital or graphic display, and offers resolution up to 0.0001 NTU. It connects up to two turbidity sensors and provides analog and Modbus outputs, relay control and password protection.

The sensor is compliant with ISO 7027 and uses a long-life LED light source. Its anti-bubble design and heated optical window ensure reliable continuous measurement, while optical dry standard modules make calibration easy and reduce maintenance and consumable costs.

Typical applications include drinking water, boiler water, recycled water, raw water for the beverage industry, membrane fouling monitoring and treated process water.

Technical Specifications

Models TC-7320-RS (Transmitter)
8-TD-201 (Sensor)
Measuring Range 0.0000 to 200.00 NTU
Accuracy ±2% or ±0.02 NTU (0 to 40 NTU)
±5% (40 to 200 NTU)
Resolution Up to 0.0001 NTU
Measuring Unit NTU, FTU, FNU
Light Source LED
Sample Flow Rate 250 to 750 ml/min
Calibration Up to 5 points with turbidity solution
Analog Output Two isolated 0/4~20mA, max load 500Ω
Serial Interface RS-485 Modbus RTU/ASCII
Event Logbook 50 event records
Relay Contact 240VAC, 0.5A max
Power Supply Transmitter 100 to 240 VAC ±10%, 50/60 Hz, 7W max
Sensor 100 to 240 VAC ±10%, 50/60 Hz, 6W max
Ambient Temperature 0 to 50°C
Storage Temperature -20 to 70°C
Installation Transmitter panel, wall or pipe mounting
Sensor wall mounting
Dimensions Transmitter 144 x 144 x 115 mm
Sensor 296.1 x 306 x 184.1 mm
Weight Transmitter 0.8 kg
Sensor 1.25 kg
Protection Transmitter IP65 (NEMA 4X)
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