Defelsko FNS1-E PosiTector for Hull Inspections

The Defelsko FNS1-E PosiTector is a versatile and highly accurate ultrasonic thickness gauge designed for marine and industrial applications. Known for its advanced measurement capabilities, through-coating technology, and durable construction, this device is an excellent choice for ship hull inspections, corrosion monitoring, and structural assessments. Its user-friendly interface, high-contrast LCD, and real-time data logging make it a top-tier option for shipowners and maritime surveyors.

** We strive for accuracy, but details may change, and errors are possible. Please verify specifications with the manufacturer or seller before purchasing. **

🏷️ Pricing: New | Used | Bulk


1️⃣ Technical Specifications and Features

  • Measurement Modes:
    • Pulse-Echo Mode: Measures overall thickness, including corroded areas.
    • Echo-Echo Mode: Allows measurements through paint and protective coatings without removal.
  • Display & Data Features:
    • Large LCD Screen: High-contrast monochrome display for readability in different lighting conditions.
    • Auto-Rotate Display: Adjusts orientation for easy readability at any angle.
    • Live Data Logging: Stores up to 250 readings, with USB and Bluetooth connectivity for easy export.
  • Measurement Range in Steel: 0.25 mm to 150 mm, depending on probe selection.
  • Accuracy: Β±0.01 mm for highly precise readings.
  • Calibration: Pre-calibrated and user-calibrated options for enhanced accuracy.
  • Construction: Durable, impact-resistant case with waterproof rating, ensuring reliability in marine environments.
  • Battery Life: Up to 16 hours of continuous use on standard AAA batteries.
  • Operating Temperature: -10Β°C to 50Β°C, designed for extreme maritime conditions.

2️⃣ Benefits

βœ… Through-Coating Measurement: Measures thickness without removing paint or protective coatings, saving time.

βœ… Highly Accurate Readings: Offers precision up to Β±0.01 mm, making it suitable for corrosion detection in ship hulls.

βœ… User-Friendly Interface: Features intuitive navigation and auto-rotating display, making on-site inspections easier.

βœ… Data Logging & Connectivity: Stores up to 250 readings, with USB and Bluetooth export for easy report generation.

βœ… Portable and Lightweight: Compact design allows for easy handling and extended use without fatigue.

βœ… Durable & Waterproof: Designed for harsh maritime environments, ensuring longevity and consistent performance.

βœ… Versatile Applications: Ideal for ship hulls, pipelines, storage tanks, and structural integrity assessments.


3️⃣ Drawbacks and Limitations

⚠️ Limited Storage Capacity: Only stores 250 readings, which may be insufficient for large-scale inspections.

⚠️ No A-Scan/B-Scan Imaging: Lacks advanced waveform analysis, making it less ideal for complex corrosion studies.

⚠️ Shorter Battery Life: Operates on AAA batteries, providing less runtime compared to lithium-powered models.


4️⃣ Final Verdict

Final Score: 9.1/10

The Defelsko FNS1-E PosiTector is a highly accurate and portable ultrasonic thickness gauge that excels in ship hull inspections. With through-coating measurement, Bluetooth data export, and user-friendly operation, it is a great choice for maritime professionals. However, the lack of A/B scan imaging and limited storage may make it less ideal for those needing advanced corrosion mapping capabilities.

🚒 Best for: Shipowners, marine surveyors, and maintenance teams looking for a compact, easy-to-use thickness gauge with reliable performance and data logging capabilities.

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