Fischer FMP30 Ferrite Content Tester
| Origin | Germany |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | FMP30 |
| Pricing | Upon Request |
Overview
The Fischer FMP30 Ferrite Content Tester is a portable, microprocessor-controlled instrument engineered for precise, non-destructive quantification of ferrite content in austenitic stainless steels and duplex stainless steels. It operates on the principle of magnetic induction, fully compliant with DIN EN ISO 2178 for non-magnetic coating thickness measurement — adapted and validated for ferritic phase detection in ferromagnetic-austenitic alloys. Unlike optical or metallographic methods, this technique delivers rapid, repeatable field measurements without surface preparation or sample destruction. The device is widely deployed in welding quality assurance, fabrication inspection, and materials certification workflows where compliance with AWS A4.2-91, DIN 32514, and the Basel Convention (Basler) reference standard is mandatory. Its compact form factor (160 × 80 × 30 mm), lightweight construction (230 g without battery), and dual-power capability (9 V alkaline or regulated AC adapter) make it suitable for shop-floor, offshore, and laboratory environments alike.
Key Features
- Microprocessor-based real-time signal processing with automatic probe recognition to ensure calibration integrity across interchangeable sensor types.
- High-contrast dual-line LCD display (2 × 16 characters) showing both measured value (in %Fe or FN units) and contextual operating prompts simultaneously.
- Integrated data management system supporting up to 100 user-defined applications, 1,000 data blocks, and 10,000 individual measurements — each timestamped with date and time stamping per ISO/IEC 17025 traceability requirements.
- Configurable acoustic alerts for user-defined upper/lower specification limits, enabling immediate pass/fail feedback during weld inspection.
- RS232 bidirectional interface for direct connection to PCs or thermal printers; supports firmware updates, batch export, and remote configuration via Fischer-certified software.
- Robust memory architecture with dynamic allocation, selective data recall, and editable entries — critical for GLP-compliant audit trails.
- Five-language UI support (English, German, French, Spanish, Italian), password-protected settings, key-lock functionality, and auto-power-off to conserve battery life.
Sample Compatibility & Compliance
The FMP30 is optimized for flat, curved, or recessed surfaces of austenitic and duplex stainless steels, including weld deposits, heat-affected zones (HAZ), and base metals. It accommodates three certified probe variants: EGAB1.3-Fe (coaxial, general-purpose), EGABI1.3-Fe (recessed/internal surface), and EGABW1.3-Fe (90° angled tip for confined geometries). Calibration is performed using NIST-traceable WRC-1992 reference standards (0.3/10, 1.5/30, and 10/80 %Fe sets), plus a master 0.3/80 %Fe standard — all supplied with Fischer’s accredited calibration certificate aligned to IIW Level 2 secondary standards. The system meets ANSI/AWS A4.2-91 performance criteria for ferrite measurement accuracy and repeatability, and its operational documentation supports FDA 21 CFR Part 11 readiness when paired with validated PC software.
Software & Data Management
Data acquisition and analysis are supported through Fischer’s proprietary PC software suite, enabling statistical evaluation (mean, SD, Cp/Cpk, histogram generation), custom report templates (PDF/CSV), and hierarchical data grouping by project, operator, or location. All stored records include metadata: probe ID, calibration status, environmental temperature, measurement sequence, and operator ID (if enabled). Audit-log functionality captures configuration changes, calibration events, and data edits — fulfilling GLP/GMP documentation requirements. The RS232 protocol implements hardware handshaking and error-checking to prevent transmission corruption during high-volume data transfer.
Applications
- Verification of ferrite content in TIG, MIG, and SAW welds per ASME BPVC Section IX and EN 1515-2.
- In-process monitoring of duplex stainless steel fabrication to prevent sigma-phase embrittlement risks associated with excessive ferrite (>65 FN) or insufficient ferrite (<30 FN).
- Third-party inspection services requiring auditable, timestamped measurement records for ISO 3834 or API Q1 certification.
- R&D laboratories evaluating alloy composition effects on phase balance under thermal cycling or post-weld heat treatment.
- Offshore platform maintenance teams conducting rapid field checks on subsea piping weld integrity.
FAQ
What measurement principle does the FMP30 use, and how is it standardized?
It employs magnetic induction per DIN EN ISO 2178, adapted for ferrite quantification in austenitic/duplex steels. Calibration traceability follows IIW Level 2 standards and complies with AWS A4.2-91.
Does the FMP30 include probes in the base package?
No — probes (EGAB1.3-Fe, EGABI1.3-Fe, EGABW1.3-Fe) are ordered separately. The standard kit includes housing, carrying case, 9 V battery, manual, and protective cap.
Can measurement data be exported for regulatory submission?
Yes — timestamped CSV/PDF reports with full metadata and audit logs are exportable via RS232; optional software enables 21 CFR Part 11-compliant electronic signatures.
Is the instrument suitable for high-temperature or wet environments?
The FMP30 is rated IP54 for dust and splash resistance. Ambient operating range is 0–40 °C; probe-specific temperature limits apply — consult probe datasheets for elevated-temperature use.
How often must calibration be verified?
Daily verification using certified reference standards is recommended before critical measurements; formal recalibration every 12 months or per internal QA schedule, traceable to accredited labs.

