MF300F+ Ferrite Meter

MF300F+ Ferrite Meter (Discontinued)

Please note, the MF300F+ is no longer in production and has been superceded by the MF300Fe+. Click here for more information on the MF300Fe+.

Industrial processing and chemical plants work at high temperatures and pressures, with often aggressive media and stainless steel is often the material of choice for these applications. If the ferrite content of the steel is too low, then welding of stainless material may crack at elevated temperature or with high stress or vibration. Alternatively, if the ferrite content is too high, the weld may be weaker and corrode.

To address the need to measure the amount of ferrite in a sample the Welding Research Council introduced the Ferrite Number (FN) as standardised value which related to the ferrite content of an equivalently magnetic weld metal.

The Diverse Ferrite meter MF300F+ measures the Ferrite number (FN) of austenitic and duplex stainless steel weld material. It has a probe that is sensitive to ferrite content in a 10 mm area to a depth of approximately 1 mm. The instrument is calibrated using the secondary world standards held at The Welding Institute. All 16 standards are used in the calibration giving an instrument with a measurement range from 0 to 115 FN. Transfer standards are supplied with the instrument allowing performance to be verified at any time.

Features:

  • Robust and portable
  • Standard or peak measurement of Ferrite Number
  • Estimate of ferrite percentage (70% of FN)
  • Automatic zero on demand
  • Storage of 52 measurements, downloaded to pc with RS232/USB option
  • Use with high temperature samples (air-cooled probe option)

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RFS Item Code
MISC:FM-MF300F+
MF300F+ Ferrite Meter (Discontinued)
RFS Item Code: MISC:FM-MF300F+
RFS Item Code
MISC:FM-MF300F+