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Inline Sensor for sludge density, suspended solids and turbidity monitoring

The SoliTechw² IL sensor provides reliable and repeatable, continuous in-line measurement of sludge density, suspended solids and turbidity. The optical element has a sapphire window, this offers excellent resistance to fouling and damage caused by the abrasion from flow particles.

The sensor is suitable for a variety of applications including the auto de-sludging of primary and final settlement tanks, and reliable sludge density measurement ensures that downstream treatment processes can operate at their optimum level.

The sensor is installed through a mounting boss onto any pipeline that is larger than 65 mm diameter. The sensing element is positioned flush with the inside wall of the pipe, ensuring that the optical surface is kept clean by the flow passing the sensor and making sure the sensor does not cause an obstruction to the flow.

General Specification
Measurement Specification
Ordering Information & Spare Parts

Physical
Dimensions (hxwxd)	310 mm long
Weight	3.9 kg (inc 10 metres of cable and ball valve)
Enclosure Rating	Sensor Body: IP65 Optical Housing: IP68
Enclosure Material	Black Acetal Co-Polymer
Cable Entries	Integral Cable via Cable Gland
Wetted Parts	316 Stainless Steel, Sapphire
Cable Type	4 core, 2 Twisted Pair, 5 mm O/D Polyurethane Coated
Cable Length	10 metres standard, 100 metres maximum
Service Requirement	No routine servicing Will require manual cleaning frequency application dependent
Environmental Data
Operating Temperature	0 to 60ºC
Interface to Monitor
Power Supply	12 VDC from Monitor
Sensor Output	ModTechw², RS485

Measurement Characteristics
Range	0-50,000 mg/l
Accuracy	±5% of reading or ±250 mg/l, whichever is the greater
Limit of Detection	250 mg/l
Minimum Operating Range	0 - 5,000 mg/l
Measurement Principle	Back Scatter
Wavelength	960 nm Infrared
Pressure Rating	2 Bar, avoid transient pressures
Flowrate	Not affected by flowrate, avoid deadspots and extreme turbulence
Units	User Selectable mg/l, g/l, ppm, %SS, NTU

Part Number	Description
223614	SoliTechw² IL Sensor, 0-5% SS (Cable Length: 10 metres)
223890	SoliTechw² IL Sensor, 0-0.5% SS (Cable Length: 20 metres)
Mounting Options
171300	Mounting Boss - IL55BV2 (made to customer specifications)
TBA	Pipe Section - made to customer specification