Details

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The TTurb is a digital sensor used for optical turbidity measurement according to the 90° IR scattered light method. Depending on the sensor version, it can be used in both pure water up to 100 FNU as well as in raw, waste and process waters up to 1000 FNU. The TTurb is available with a 10-meter or a 2-meter cable.

Specification
 

Light Source		LED
Detector		Photo diode
Measurement principle		Nephelometry
Parameter		Turbidity as FNU; mg/L; NTU; TSSeq
Measurement range		0...100, 0...400, 0...1000 FNU
Measurement accuracy		± (5 % + 0.5)
Detection limit		0.5 FNU for TTurb 100 2 FNU for TTurb 400 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 with fixed cable		3 bar	~ 43.5 psig
Max. pressure in flow cell		1 bar, 2...4 L/min	~ 14.5 psig, 0.5 to 1 gpm
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		maximum 0.1 m/second	maximum ~ 0.33 fps

Measurement Range
 

TTurb100	0...100 NTU
TTurb400	0...400 NTU
TTurb1000	0...1000 NTU

Versions