The paula phase identification set is used for clear phase identification in earthed and shorted medium- and high-voltage cables. The measurement procedure used by paula, whereby the shorting and earthing on the cable to be measured need not be removed, offers maximum safety for test personnel and complies with the safety requirements stated in EN 50110-1 (VDE 0105-1). EN 50110-1:2013 (VDE 0105-1:2014-02) specifies that all plant parts being worked on must be earthed and shorted at the work place. If shorting and earthing need to be removed for taking the measurement, other suitable safety measures must be applied. It is intuitively easy to use: The signal injectors that inductively feed the measuring signals with specific frequency into the cable are connected to the shorted and earthed phases at one cable end. These measuring signals can be detected and evaluated at the other cable end by the paula detector. On touching a phase with the measuring tip, the detector displays L1, L2 or L3.
The paula signal injectors are specially designed for use in compact switchgears and in narrow spaces (e.g. in SF6 gas-insulated switchgears).

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