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Advantages of the new millimeter waves technology

Even without any knowledge of the properties of the extruded materials and its temperatures, the CENTERWAVE 6000 measures the outer dimensions as well as the wall thicknesses simultaneously at several places of the circumference, providing a precision to a previously unknown degree. Layer thicknesses of multi-layer pipes can also be measured precisely.

Several sensors, so-called transceivers, arranged around the circumference of a pipe, continuously send and receive frequency modulated millimeter waves. Boundary layers reflect these waves, which are detected and demodulated by the receiving unit of the regarding transceiver. These receive signals contain information regarding the distance between boundary layers of different materials. After an algorithmic processing of the receive signals of each sensor, the requested measuring values regarding diameter, ovality and wall thickness are ready for visualization and control within only a few milliseconds.


Measuring PrincipleNon-contact on the basis for FMCW* millimeter wave technology
ApplicationExtrusion lines for large pipes
Area of Application- Smooth pipes
- Foamcore pipes
- Corrugated pipes
- Multi-layer pipes
MaterialAny kinds of plastics (e.g. PE, HDPE, PP, PA6, PVC)
Measuring RangesCENTERWAVE 6000/400: 90 - 400 mm
CENTERWAVE 6000/630: 90 - 630 mm
CENTERWAVE 6000/800: 160 - 800 mm
CENTERWAVE 6000/1600: 360 - 1600 mm
CENTERWAVE 6000/3200: 1200 - 3200 mm
Wall ThicknessMinimum wall thickness: 3.8 mm**
CalibrationThe CENTERWAVE 6000 does not require calibration
Measuring Frequency80 to 300 GHz
Measuring Rate500 Hz
Power Supply100 ... 240 V AC ± 10 %, 50 Hz (60 Hz)
Ambient Temperature+5 to + 45 °C
InterfacesRS232, USB
Optional: industrial field busses such as CANopen, EtherNet/IP, DeviceNet, Profinet IO, Profibus-DP, LAN (Ethernet), OPC
*Frequency Modulated Continuous Waves
**Smaller or bigger wall thicknesses on request