YUSHI UM-4DL Ultrasonic Thickness Gauge for Hull Inspections

The YUSHI UM-4DL Ultrasonic Thickness Gauge is a high-precision, multi-functional device designed for accurate and efficient thickness measurement in maritime environments. With dual measurement modes, A-scan and B-scan capabilities, and through-coating technology, this gauge is ideal for ship hull inspections, corrosion analysis, and structural integrity assessments. Its rugged design and real-time data logging make it a valuable tool for shipowners, surveyors, and fleet managers looking for reliable and repeatable results.

** 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 total thickness, including corroded areas.
    • Echo-Echo Mode: Allows measurements through paint and coatings without removal.
  • Display & Data Features:
    • A-Scan and B-Scan Display: Provides a real-time waveform for accurate readings.
    • Color LCD Display: 320 Γ— 240 resolution for clear visibility in different lighting conditions.
    • Live Data Logging: Stores 100,000 readings for future analysis.
  • Measurement Range in Steel: 0.5 mm to 508 mm, depending on the probe.
  • Accuracy: Β±0.01 mm for precise material thickness analysis.
  • Calibration: Automatic and manual calibration for enhanced accuracy.
  • Construction: IP67-rated waterproof and dustproof housing, built for harsh marine environments.
  • Battery Life: Up to 50 hours of continuous operation with a rechargeable lithium battery.
  • Operating Temperature: -20Β°C to 60Β°C, ensuring reliability in extreme conditions.

2️⃣ Benefits

βœ… Through-Coating Measurement: Eliminates the need to remove protective coatings, reducing preparation time.

βœ… A-Scan & B-Scan Capabilities: Provides real-time waveform analysis, helping inspectors verify material conditions in greater detail.

βœ… High Accuracy: Precision of Β±0.01 mm, making it ideal for detecting corrosion and thinning in ship hulls.

βœ… Rugged and Waterproof: IP67-rated design allows it to function in wet and dusty maritime environments.

βœ… Extended Battery Life: 50-hour lithium battery runtime supports long-duration inspections without constant recharging.

βœ… Large Storage Capacity: Saves 100,000 readings, ensuring easy data tracking and regulatory compliance.

βœ… Customizable Alarm Settings: Allows users to set minimum thickness alerts to quickly detect problematic areas.

βœ… Versatile Applications: Suitable for ship hulls, offshore platforms, pressure vessels, and underwater pipelines.


3️⃣ Drawbacks and Limitations

⚠️ Slight Learning Curve: The A-Scan and B-Scan functions require operator training for full utilization.

⚠️ Higher Cost: More expensive than basic thickness gauges, but justified by its advanced features.

⚠️ Bulkier Than Entry-Level Models: While still portable, it is larger and heavier than some alternatives.


4️⃣ Final Verdict

Final Score: 9.3/10

The YUSHI UM-4DL Ultrasonic Thickness Gauge is a highly capable and feature-rich tool designed for maritime professionals needing precise and reliable ship hull thickness measurements. Its combination of through-coating measurement, A/B scan imaging, large data storage, and waterproof durability make it one of the best ultrasonic thickness gauges for ship inspections.

🚒 Best for: Shipowners, fleet managers, and surveyors requiring high-precision measurements, real-time waveform analysis, and large-scale data storage.

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