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EMV-INspektor® V2

Fieldbus problems or EMC problems?

The increasing power density of the industrial production results in a higher risk of interference currents along the cables, on the conducting paths of the power supply and those of the potential equalization systems. The diagnostic tool EMV-INspektor® V2 allows an automated, contactless and uninterrupted test and detects electromagnetic disturbances temporarily. Up to four current transformers can be connected to the device. The measurement values are recorded separately, evaluated and compared. The INspektor® displays effective values, amplitudes and frequency components for each channel. The amplitudes and the spectrum are visualised over time in a diagram.

Highlights EMV-INspektor® V2

  • Measuring leakage, shielding and interference currents
  • Parallel inspections of multiple potentially disturbed sections
  • Permanent analysis and condition monitoring
  • Comparison of the data from input source components
  • Specific condition evaluation and alerting
  • Visual illustration of the disturbance values via web interface
  • Export of the measurement data to a USB memory or via LAN interface
  • Configuration of the device software via web interface

Capturing currents with up to 4 measuring adapters

Application example EMV-INspektor® V2

On all four channels, the current course and the spectrum are captured. This makes it possible, for example, to detect if there is a link between PROFIBUS malfunctions and PE/PA currents. The additional frequency data from the spectrum provide clues regarding the possible cause of the fault. Frequency components in the lower kHz range point to pulse frequencies of frequency inverters.

Measurement approaches:

  • EM interferences along the BUS cables
  • EM interferences via the 24 VDC power supply
  • EM interferences via the 230/400 VAC lowvoltage distribution system
  • EM interferences in the equipotential bonding system
  • EM interferences via the transmitter lines

Measuring adapters:

  • 1 measuring and diagnostic clamp included, up to 4 clamps connectable with the INspektor®
  • Measuring range from 1 mA to 50 A AC
  • Measurement category 600 V CAT II, 300 V CAT III
  • Clamp aperture 30 mm
  • Lenght of the connection cable ca. 1.5 m

Display of measuring data with EMV-INspektor® V2

Display of ISMZ measurement data by EMCheck® View

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