Handheld and benchtop instrument for non-destructive measurement of ferrite content in austenitic stainless steel and coating thickness on ferromagnetic substrates.
The FERITSCOPE® DMP30 is the industry reference instrument for non-destructive ferrite content measurement in austenitic and duplex stainless steels, as well as coating thickness measurement on ferromagnetic substrates using magnetic induction. Combining a benchtop unit with interchangeable probes, it covers both laboratory and production floor applications.
The FERITSCOPE® DMP30 from helmut fischer is the global reference instrument for ferrite content measurement in austenitic and duplex stainless steels. Based on the magnetic induction principle, it accurately quantifies the percentage of ferrite phase (δ-ferrite) in weld seams, castings, and wrought materials — a critical quality parameter for corrosion resistance, mechanical strength, and weldability.
The same magnetic induction principle allows the DMP30 to measure the thickness of non-magnetic coatings on ferromagnetic steel substrates, making it a versatile dual-function instrument for coating and metallurgical QC.
The DMP30 system accepts a range of interchangeable probes optimized for different geometries and environments — including standard flat surfaces, small curved components, and high-temperature applications up to 300°C. All measurements are stored in the instrument memory and can be transferred to a PC via USB for reporting and analysis with FISCHER DataCenter software.
| Measurement Principle | Magnetic Induction |
| Ferrite Range | 0.1% – 80% ferrite |
| Coating Thickness Range | 0 – 2000 µm (on steel) |
| Accuracy (Ferrite) | ±0.1% ferrite (0.1–10%) / ±1% (above 10%) |
| Probes | V2.0 (standard), V2.04 (small tip), V2.06 (high temp) |
| Display | LCD with backlight |
| Memory | 1000 measurement values |
| Interface | USB, RS-232 |
| Software | FISCHER DataCenter |
| Battery | 4× AA batteries / mains adapter |
| Standards | ISO 8655, DIN 32514, AWS D1.1 |
| Operating Temp | 0°C to +50°C |
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