SUNTEX TC-7310-RS Turbidity Analyser

Suntex TC-7310-RS Turbidity transmitter has rugged IP 65 enclosure and can be wall, panel, pipe mounted for installation in almost any industrial application. The TC-7310-RS offers RS-485 interface to support digital communication to your PLC.

The transmitter inherits Suntex reliable technology which features in accurate, robust, and easy to use functions.


  • Wastewater treatment
  • Industrial process
  • Water treatment
  • Surface water


  • Turbidity and Temperature measurement
  • 5 points calibration
  • IP 65 waterproof and dustproof design
  • Back-lit LCD with ON/OFF/Auto programmable illumination
  • Isolated current output DC 0/4~20mA corresponding to measurement
  • One RS-485 interface for digital communication
  • Two Hi/Lo Limited contact outputs ; Set points with programmable hysteresis function
  • Gradually continuous sample measurements average function to enhance stability
  • Wash function with programmable time-interval control
  • LED indication alarm or wash status signal
  • Password protection
Immersive Holder for Turbidity Sensor

Technical Specifications

Measuring UnitNTU, FTU, FNU
Measuring Range0~100 NTU (TC100 Sensor)
0~500 NTU (TC500 Sensor)
0~3000 NTU (TC3000 Sensor)
Resolution0.01 NTU (TC100 Sensor)
0.1 NTU (TC500 Sensor)
1 NTU (TC3000 Sensor)
Calibration ModeTurbidity Standard Solution up to 5 Points Calibration and Calibration with Factor Correction
Electrode ZeroSensor Internal Zero Point Correction Activation Function
Ambient Temperature0 ~ 50 deg C
Sample Temperature0 ~ 40 deg C
DisplayLarge LCM with Sensor for Backlight and Contrast
Text Mode: Numerical Display
Chart Mode: 3 mins Real Time Dynamic Graph
Trace Mode: Programmable 3 mins to 4 Weeks Trend Graph
Analog OutputIsolated 0/4~20mA corresponding to Turbidity Measurement, Max Load 500 Ohms
Serial InterfaceIsolated RS-485 (MODBUS RTU or ASCII)
Log50 Events
Relay Outputs2 x Relays (Dry Contact) 240VAC, 0.5A Max
Programmable: Hi/Lo, Hi/Hi, Lo/Lo Selectable, ON/OFF
Wash Relay Contact: ON 0 ~ 99 Mins 59 Secs / OFF 0 ~ 999 Hrs 59 Mins
Sensor WiperAUTO – Sensor Internal Function for Fixed 10 Mins per wipe or 30 Mins per wipe (TC100 Sensor Only)
MANUAL – Setting from 2 ~ 9 Mins per wipe or 2 ~ 29 Mins per wipe (TC100 Sensor Only)
Voltage OutputDC +/- 12VDC
Power Supply100 ~ 240VAC +/-10%, 50/60 Hz / 8W Max
InstallationWall or Pipe or Panel Mounting
Dimension144 x 144 x 115 mm (H x W x D), 1/2 DIN
Cut Off Dimension138 x 138 mm (H x W)
Weight0.8 kg
ProtectionTransmitter: IP65 (NEMA 4X) / Sensor: IP68 (Max Depth of 2m Under Water)
A I ANALYTICAL PTE LTD | Address 30, Kallang Place, #06-01, Singapore 339159 | Tel: +65 6459 0785 | Email: