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Field Strength Meter
With nondestructive crack detection of magnetizable workpieces the gauge is mainly used for the measurement of the tangential field strength during the magnetization and for the measurement of the residual field after the demagnetization.

In addition the DEUTROMETER can be used also as a flux density measuring instrument (Tesla meter).

During the magnetic particle crack detection workpieces are magnetized by means of a current or a field flow.

For a secure indication of cracks a minimum magnetizing field strength must be reached in this case. After termination of the test cycle the workpiece becomes demagnetized again and environmentally neutral.

In a quick and precise manner the DEUTROMETER 3873 is capable of checking whether the required strength of the magnetizing field was reached and whether the residual field strength after demagnetization is below a limit.
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Magnetic Field & Residual Field Strength Meter

The DEUTROMETER 3873 is capable of checking whether the required strength of the magnetizing field was reached and whether the residual field strength after demagnetization is below a limit.

The DEUTROMETER 3873 measures magnetic direct and alternating fields in the low-frequency range. Specialist knowledge from long-standing' experience acquired with the predecessor models could be incorporated into the development and with the aid of new technology customer wishes for practical handling were realized consistently. The features include :
  • Reliable, precise and robust

  • Economically reasonable

  • Offers an auto measuring mode for uncomplicated and quick measurement

  • Uses up-to-date technique to conveniently assist the operator in daily measuring life

  • Complies with EN ISO 9934-3:2002 section 9.3

  • Suitable for measurements according to EN ISO 17638 section 5.5.2
For optimal adaptation to the geometrical conditions you can choose between a 0° and a 90° measuring head. An alternative, paraffin-resistant execution makes the probes especially robust and thus suitable for crack detection using oil-based testing agents.
 
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Reference Magnet and Zero Field Chamber
  • Reference magnet and zero field chamber are used for checking and for zero adjustment of the field intensity meter DEUTROMETER 3873 and probes.

  • Reference magnets generate static magnetic fields of known magnitude with which the scale accuracy of the field intensity meter can be checked.

  • Zero field chambers screen against external magnetic interference fields to a large extent.
 
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Residual Field Indicator
Measure remanent magnetism in components, with the aid of the Residual Field Indicator the residual magnetism in a workpiece can be checked e.g. after magnetic particle crack detection. As well the position and polarity of magnetic poles can be identified. Residual Field Indicators are very sensitive against small changes of a magnetic field. Therefore, they are best suited for comparative measurements, e.g. in order to distinguish between sufficiently and insufficiently demagnetized parts.

The accuracy in a uniform magnetic field is given as ± 10 % of full scale. The allowed temperature range is: 20 °C ± 10 °C.
 
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