Measurement balanced bridge

The MBB1 is a measurement balanced bridge for partial discharge measurements. Used together with our MPD 600 PD measurement system, it enables you to perform reliable differential PD measurements in test environments with heavy interference. 

The MBB1 contains a bridge-type circuit that combines and weighs the PD signals of two measurement impedances. The combined signal is transfered to the PD input of the MPD 600. 

The MBB1 is the only measurement balanced bridge to feature plug-and-play operation. Automated settlings allow you to work quickly and to achieve optimal results without prior experience. Manual settings are also possible.

Key features

  • Enhanced noise reduction during measurement
  • Performance as specified by IEC 60270
  • Automated settings for greater efficiency and optimal test results


  • Differential PD measurements in test environments with heavy interference
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