TTurb: Optical turbidity sensor

TTurb: Optical turbidity sensor

TTurb turbidity sensor performs optical turbidity measurements using the 90° infrared scattered light method. Its digital design ensures accurate readings in drinking water, process water and wastewater applications across a wide measurement range.
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Light Source LED
Detector Photo diode
Measurement principle Nephelometry
Parameter Turbidity
Measurement range 0…100, 0…400, 0…1000 FNU
Detection limit 0.5 FNU for TTurb 100 2 FNU for TTurb 1000
Measurement wavelength 860 nm, FWHM 30 nm
T100 response time 6 s
Measurement interval 3 s
Housing material PET / POM / NBR
Dimensions (L x Ø) 170 x 36 mm ~ 6.7˝ x 1.4˝
Weight 0.3 kg ~ 0.7 lbs
Interface Ethernet (TCP/IP) RS-485 (Modbus RTU)
Power consumption typically <0.9 W with network < 1.5 W
Power supply 12…24 VDC (± 10 %)
Connector 8-pin M12-plug
Maintenance effort ≤ 0,5 h/Monat (typisch)
Calibration/maintenance interval 24 Monate
System compatibility Modbus RTU
Warranty 1 Year (EU & US: 2 years) on electronics; All wearing parts are not included in the warranty
Max. pressure 3 bar ~ 43.5 psig
Protection type IP68 NEMA 6P
Sample temperature 0…+40 °C ~ +32 °F… +104 °F
Ambient temperature 0…+40 °C ~ +32 °F… +104 °F
Storage temperature 0…+80 °C ~ +32 °F… +176 °F
Inflow velocity 0.1 m/s ~ 0.33 fps
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TTurb – Optical turbidity sensor
Digital turbidity sensor for monitoring water quailty
  • Reliable concentration measurements by optical methods
  • Pulsed infrared scattered light procedure
  • No mechanically moving parts
  • Digital reading
  • Preprocessing in the sensor increases measurement sensitivity
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