EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of IEC EN 61557-3 testing. A loop impedance test is an electrical test that measures the impedance of an electrical circuit, measuring the total opposition to current flow in the circuit.
The test is done to determine if the electrical system has an impedance low enough to allow correct operation of overcurrent protection devices such as circuit breakers or fuses.
Loop impedance testing is typically performed using a dedicated loop impedance tester or a multifunctional tester that can perform multiple tests, including loop impedance testing. The tester applies low AC voltage to the circuit and measures the current flow by calculating the impedance and displaying the result on the tester's display.
Testing is typically performed on newly installed electrical systems and regularly throughout the service life of the equipment to ensure that the impedance of the electrical system remains within specified limits.
EUROLAB assists manufacturers with IEC EN 61557-3 test compliance. Our test experts offer the best service and controlled testing process in our laboratories to you, our manufacturers and suppliers, with professional working mission and principles.
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