WTW 700 IQ IFL Sensor

The IFL is an ultrasonic, interface level measurement sensor for the IQ SensorNet system. During the wastewater treatment process, the measurement of the interface level between liquids is of vital importance for optimal performance and trouble-free operation. The 700 IQ IFL provides continuous data to help operational efficiency improvement decisions. Simply connect it to the IQ SensorNet system.

  • Features
  • Specifications
  • Documents

• Intelligent signal processing - filters out undesired signals caused by floating sludge, internal fittings, or moving skimmers

• Simple system configuration with the IQ SensorNet

• Detailed display of echo profile (density of reflecting particles) for graphical visualization

• Maintenance free non-contact cleaning system

• 2-year sensor warranty

• Advanced settings for demanding application

Technical Specifications

Measurement Method
Ultrasound echo measurement (ultrasonic)

Measurement Range
0.4 to 15 m (1.32 to 49.21 ft)

Resolution 0.01 m (0.03 ft)

Accuracy 0.1 m (0.3 ft)

Signal Filters Yes

Flow Speed Max. 4 m/s (~13 ft/s)

Cleaning System Automatic, non-contact wiper (optional)

SensCheck Alarm; humidity sensor

Dimensions Length 442 mm (17.4 in); max. diameter 105 mm (4.13 in)

Weight Approx. 3.6 kg (~8 lbs)

Immersion Depth Min. 5 cm (1.97 in); max. 3 m (9.8 ft)

Protection Class Sensor with SACIQ cable connected: IP68; 0.3 bar (4.3 psi)

Pressure Resistance The sensor with connected SACIQ cable complies with the requirements of article 3(3), 97/23/EU guideline. 0.3 bar (4.3 psi)

pH range 4 to 12 units

Operating Temperature 0 to 50 °C (31 to 122 °F)

Storage Temperature -5 to 50 °C (23 to 122 °F)

Materials Shaft and baseplate: stainless steel 1.4571 Plug head and transition unit: POM Ultrasound unit: PVC-C Cleaning system: Grade 2 Titanium (shaft) and Grivory

Equipment Safety, Standards EN 61010-1; UL 61010-1; CAN/CSA C22.2#61010-1

Electrical Nominal voltage 24 VDC, provided by the IQ SensorNet system

Power Consumption 2.8 W

Certifications CE, cETL, ETL