WCN Spring 2012

Capacitance 2000 assures loss-free data transmission For all LAN, coaxial, telephone or RF cables the loss-free transmission of high frequency, analogue or digital signals is a major quality feature. In this context, the measurement of the capacitance plays an important role. The capacitance influences the impedance of the cable for the specified frequency range and thus the quality of the cable significantly.

Capacitance 2000 is a measuring device, which is installed in the cooling trough and measures the capacitance of the wire insulation precisely. At the same time, the system determines capacitance changes, provides an extremely fast measuring value update and detects bare wires. This technology is realised by the combination of one short and two long measuring electrodes, which are integrated in a measuring tube. The short measuring electrode of 10mm length identifies periodical capacitance variations with high spatial resolution by means of Fast Fourier Transformation (FFT). From the FFT data, the Structural Return Loss (SRL) is determined and gives information about the expected attenuation of the RF signal during data transmission. The long measuring zone measures with high precision the average value of the capacitance. The avoidance of periodical changes of the cable is a precondition for an optimum attenuation characteristic, whereas the critical interval of the periods is the shorter the higher the

S S Capacitance 2000 measures the capacitance and determines periodical capacitance variations by means of Fast Fourier Transformation (FFT)

The

detection

of

periodical

targeted data transmission rate for the cable increases. These periodical changes are determined by the multizone technology of the Capacitance 2000, as all parameters that influence quality (eg conductor diameter, foaming, outer diameter) are reflected in the capacitance. The accuracy is 0.1 pF per metre. At line speeds of up to 2,400m/min predictions of the Structural Return Loss of 3 GHz, respectively 8 GHz up to 1,300m/min are possible. In this way, the defined impedance of the cable can be reproduced accurately.

capacitance the prediction of the Structural Return Loss (FFT and SRL) are available as special features directly at the measuring tube via a diagnosis interface. For displaying the measuring values Sikora offers the processor systems Remote 2000 as well as the Ecocontrol 600/1000/2000. The presentation of FFT and SRL is possible via the Ecocontrol 1000 or 2000. variations and

Sikora AG – Germany Fax: +49 421 489 0090 Email: sales@sikora.net Website: www.sikora.net

Stand 9/A41

Comprehensive solution from Cable Tapes Cable Tapes UK provides a comprehensive solution for the cable industry, supplying a complete range of cable materials. of combined experience in the cable industry, Cable Tapes has used its comprehensive knowledge of material requirements and supply chain needs within the industry.

It can deliver direct from partner factories or can slit and spool bespoke solutions from the Manchester warehouse stock for a really fast turnaround. Cable Tapes UK now have the added ability to supply taped conductor and taping services.

Having grown rapidly over the last two years by providing top service and excellent value for money, the company is looking to expand outside the UK and is looking forward to its first exhibition in Düsseldorf. Founded by Martin Van der Zwan and Paul Haines and with over 50 years

Core products are mica tapes, foil and film tapes, woven and non-woven tapes, water-blocking tapes and yarns, fillers and polypropylene twine but there are many other products where the company has helped source new materials and supply solutions for customers.

Cable Tapes UK Ltd – UK Fax: +44 161 740 544

Email: paul@cabletapesuk.com Website: www.cabletapesuk.com

Stand 11/E05

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WCN Issue N° 46 www.iwma.org