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TurbiTechw² D-ISO Sensor

Building on the success of the TurbiTechw² LR sensor and by continually striving to improve and expand our product range Partech is proud to introduce the new TurbiTechw² D-ISO sensor. The D-ISO is a natural evolution in terms of development and offers our customers an improved user experience in all areas.

The TurbiTechw² D-ISO was developed using valuable feedback from existing customers and incorporates that feedback into its use and function.

Uses 40 years of sensor design to produce a new sensor that captures stray light to ensure a stable zero point.

A new automatic self cleaning mechanism that prevents the build up of fouling in and around the chamber making this the benchmark for low range turbidity.

It’s an extremely sensitive sensor can detect changes in Turbidity of less than 0.01 FTU. It’s global standard of light scatter technique makes the sensor sensitive to a wider range of particle sizes.

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  • Overview
  • General Specification
  • Measurement Specification
  • Ordering Information & Spare Parts

The sensor requires very little maintenance, with no tools or training required. Calibration can be carried out against either a wet Turbidity standard or using the dry calibration reference cell that is supplied with every sensor. The reference cell provides an extremely easy, repeatable method of checking the performance of the sensor, without the cost and inherent errors associated with chemical standards.

Physical
Dimensions 300 x 185 x 128 mm (HxWxD)
Weight3.9 kg (inc 5 m of cable)
Protection ClassIP65
Cable EntriesIntegral cable gland
Wetted PartsBlack acetal, Polypropylene, Nylon, chrome plated brass, Spectrosil 2000, nitrile
Process ConnectionsInlet and drain: ½" BSP with 12 mm hosetail
Outlet: ¼" BSP with 5 mm hosetail
Cable Type4 core, 2 twisted pair 5 mm outside diameter, polyurethane coated
Cable Length5 metres as standard, other lengths can be supplied on request
Service Requirement Wiper replacement annually as required (application dependent)
Environmental Data
Operating Temperature 0 to 50ºC
Interface to Monitor
Power Supply12VDC from Monitor
Sensor OutputModTech - RS485
Measurement 
Low Range0-30 NTU
Accuracy ± 2% of reading or 0.02 NTU whichever is greater
Limit of Detection0.02 NTU
Minimum Operating Range0-3 NTU
High Range0-200 NTU
Accuracy ± 2% of measured value or ±0.1 NTU whichever is greater
Limit of Detection0.5 NTU
Minimum Operating Range0-20 NTU
Measurement Principle90º Light Scatter, ISO 7027 Compliant
Pressure Rating (Max)2 bar
Flow Rate0.5 L/min to 3 L/min
UnitsNTU, FTU, FNU
It has been assumed that 1 NTU = 1 FTU = 1 FNU for purposes of this document
Mounting
Installation TypeWall or surface
Part NumberDescription
227981TurbiTechw² D-ISO Sensor (Range 0-30 NTU, Cable Length: 5 metres)
229948TurbiTechw² D-ISO Sensor (Range: 0-200 NTU, Cable Length: 5 metres)

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