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Megger ICMObserver

Partial Discharge Monitoring System

The ICMobserver combines the unmatched quality of the analogue front end of our current PD detectors with the additional features and benefits of the developments in digital signal processing during the last 20 years. 

The ICMobserver is a versatile state-of-the-art monitoring system, which combines four devices in one solution: A spectrum analyser, a time domain oscilloscope, voltage measurement, and a PD monitor.

With the digital signal processing, the spectrum analyser offers a vast range of possible bandwidths. This greatly improves capabilities to deal with an elevated noise-floor that is inevitable in on-site monitoring conditions.

The built-in time domain oscilloscope together with fully parallel phase-resolved partial discharge patterns (PRPD) on all channels significantly expands the analysis options, so that you will be able to give an in-depth analysis of the condition of the monitored asset.

The modular concept of the hardware and software ensures expandability of the system for future applications, e.g., dissolved gas analysis (DGA) monitoring and temperature and load surveillance providing one data aggregation point.

  • „Versatile partial discharge (PD) monitoring system for medium and high voltage assets
  • „Fully parallel voltage and PD measurement on all channels
  • „Remote access and analysis options
  • „State-of-the-art digital signal processing for an immediate data display and in-depth analysis without the need for further equipment
  • „Partial discharge measurements according to IEC 60270

ICMObserver Datasheet

Megger MPAC128

Acoustic Imaging camera

  • Optimise your efficiency with accurate detection
  • Safely detect issues in hard to access areas
  • Work in extreme conditions

Megger’s state-of-the-art acoustic imager visualises gas leaks and partial discharge with optimal clarity - helping you address issues before they lead to safety incidents, compliance violations, equipment damage, resource wastage and costly unplanned downtime.

Left undetected, partial discharge (PD) and gas leaks can lead to major failure, explosions, efficiency losses and downstream impacts. Identifying PD issues early prevents very costly unplanned outages, equipment failures, safety hazards and potential regulatory consequences.

This acoustic imaging camera is ATEX-certified and IP54-rated, and offers non-contact detection up to a distance of 120 metres. With 128 microphones and a detection frequency of 2 to 48 kHz, the MPAC128 provides an optimal level of clarity of partial discharge and gas leak detection.

The MPAC128-ATEX is ATEX-certified for use in Zone 2 hazardous areas (II 3G Ex ic IIC T5 Gc), ideal for environments where explosive gases may be present.

MPAC128 Series Datasheet

AIAcompact

PD Detector

The AIAcompact is a portable instrument for in-service acoustic and electric (UHF) partial discharge measurements on high voltage assets such as:

  • Gas-insulated switchgears (GIS)
  • Gas-insulated lines (GIL)
  • Power transformers
  • Distribution transformers
  • Cable accessories

To be suitable for all these applications, the instrument adapts to a variety of piezoelectric acoustic sensors and pre- processing units. It can be used with acoustic sensors and external ultra high frequency sensors as well as embedded UHF sensors of the tested asset.

Because of its built-in battery and its standalone capability the AIAcompact can even be used for on-site testing in environments where no mains supply is available.

For a convenient remote control of the device, the USB interface allow the connection to a PC or laptop with the optional AIAcompact software installed.

Every AIAcompact comes with a built-in four-channel multiplexer, which allows switching between four input channels. Buttons at the panel of the instrument enable you to directly select one of the four signal sources. As a result, the partial discharge signal and the voltage signal are split and can be selected separately. All settings, e.g., input and display mode, are stored individually for each channel.

AIAcompact Datasheet

 

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