EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of IEC EN 50289-1-12 test. This section 50289-1 of IEC EN 12 details test methods for determining the inductance properties of cables used in analog and digital communication systems. It should be read together with IEC EN 50289-1-1, which contains the essential provisions for its application.
Measurements can be made using a network analyzer (or alternatively a separate signal generator and receiver), an LCR-meter, or an impedance measuring bridge (Wheatstone-, MaxwellBridge).
The length of the test specimen should be between 10 m and 100 m. If the attenuation of the cable is small enough, the measurement can be performed at one distribution length. Practically this means that the two values measuring the input impedance at the near end of the cable are different, when the CUT at the far end is open or shorted.
The effect of the connecting cables used to connect the CUT to the equipment will be measured at the relevant frequency. The calibration procedure for network analyzers (similar to LCR-meters) is given in EN 50289-1-11.
The inductance (L) of a pair (or relative to the edge of a quad) is the effective inductance of instrumentation cables. Inductance and mutual capacitance are parameters that define the possibility of storing electrical energy in such cables.
EUROLAB assists manufacturers with IEC EN 50289-1-12 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.
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