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WaterTechw² C4E Sensor

Combined Conductivity, Salinity and Temperature Sensor

The WaterTechw² C4E Sensor has been designed to provide highly reliable Conductivity, Salinity and Temperature measurements. The multi-range sensor allows the same sensor to be employed in a wide variety of applications, the monitoring system being set up to provide the optimum accuracy and resolution for the intended application.

Conductivity is a broad measurement that indicates the level of dissolved minerals in the water, for process waters it is an indicator that the water purifier system is not working. In some cases it can be used to prevent problems with scaling due to hardness of tap water, especially in boiler feed water. In many applications Conductivity can be used as a measurement of Total Dissolved Solids (TDS) and is a useful general indicator of water quality.

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+44 (0)1726 879800

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

The WaterTechw² C4E Sensor has been designed to provide highly reliable Conductivity, Salinity and Temperature measurements.

For installation in applications where fouling is anticipated we recommend that the sensor is installed using our specially designed mounting system, with a flexible joint in the mounting shaft. The flexible joint moves the sensor in the process, reducing bio-fouling and allowing rags to fall away from the assembly. This motion is similar to that achieved by using a floating ball assembly, with the added advantage of placing the sensor below the surface of the liquid. In applications where fouling is not expected or where there is insufficient space alternative mounting arrangements are available.

Physical
Dimensions (hxwxd)Ø27mm, 177mm long
Weight0.35 kg
Protection ClassIP68
Enclosure MaterialPVC Body, Stainless Steel
Cable EntryIntegral Cable Gland
Cable TypePolyurethane Coated
Cable Length10 metres standard, 100 metres maximum
Interface to Monitor
Power Supply12 VDC from Monitor
Sensor OutputRS485
Environmental Data
Operating/Storage Temperature-10 to 60ºC
LocationIndoor/Outdoor
Maintenance
CalibrationThe sensor is inherently stable, the measurement should be checked, the recommendation is every 6 months.
Measurement Characteristics
Principal of OperationConductivity: 4 Electrode
Temperature: NTC
AccuracyConductivity: +/-1% FSD
Temperature: +/-0.5°C
ResolutionConductivity: 0.01 to 1 (according to range)
Temperature: 0.01°C
Range
µS/cm
mS/cm

Conductivity:
0-20.0µS/cm,0-200.0µS/cm,0-2000.0µS/cm
0-20mS/cm,0-200mS/cm

Salinity: 5-60 ppt (g/Kg)
TDS - KCl: 0-133,000 ppm
Temperature: 0-50°C
Response Time< 5 seconds
Pressure Rating5 Bar
Part NumberDescription
223969WaterTechw² C4E Sensor (Range: 0-200 uS/cm to 0-200 mS/cm, Temperature: 0-50°C, Salinity: 5 to 60 ppt, Cable Length: 10 metres)
223970WaterTechw² C4E Sensor (Range: 0-200 uS/cm to 0-200 mS/cm, Temperature: 0-50°C, Salinity: 5 to 60 ppt, Cable Length: 20 metres)
Mounting Shaft Options
224560FlexTech Shaft Assembly with Flexible Coupling (WaterTechw² C4E, 1.0 m)
224562FlexTech Shaft Assembly with Flexible Coupling (WaterTechw² C4E, 2.0 m)
224564FlexTech Shaft Assembly with Flexible Coupling (WaterTechw² C4E, 3.0 m)
Mounting Brackets
223980FlexTech Sensor Bracket (Handrail Ø43 to 60.3 mm)
224567FlexTech Extension Bracket Assembly with U Bolts (500 mm Long, Handrail Ø43 to 60.3 mm)

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