#HM15 Track error sources in live switchgear!

This device fom Baur offers two safe procedures for detecting partial discharges that can be applied during operation – live – without attaching sensors to the cable. Instead, it uses capacitive couplers to detect partial discharge activity that occurs along the metal exterior of the switchgear. The second method works acoustically by detecting corona discharges or discharges on insulator surfaces with the help of noises generated by the partial discharges.

PD-SGSRemote measurement objects can be inspected using the optional parabolic reflector. Owing to the wide measurement range of 0 to 80 dBmV with the capacitive method and -6 to +70 dBμV during ultrasound measurement, the PD-SGS allows you to detect discharges before a defective insulation can lead to a fault.

The measurement result is presented on the clear and easy-to-read OLED display. The LED traffic light display indicates the next step to the user. Misinterpretations of the measurement result, so-called “false positives”, are eliminated by the automatic noise detection. In both processes, the PD-SGS plays an acoustic signal via the built-in speaker or a headphone that represents the level of the measured values. This allows the user to easily isolate the fault location by moving the device and concentrating on the noise level. The built-in battery enables about 12 hours of operation of the PD-SGS that weighs 300 g.

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About Eoin Ó Riain

Sé Read-out iris uaithoibríoch, ionstraim agus stiúradh na hÉireann agus an "Signpost" a áit ar an idirlín! Read-out is Ireland's journal of automation, instrumentation and control and the Instrumentation Signpost is it's web presence.
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