UDT20
Precision Thickness Measurement for Field and Plant Inspections
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The UDT-20 is a compact, high-accuracy ultrasonic thickness gauge designed for fast, reliable measurements of metals, plastics, and composites. Combining A-scan/B-scan visualization with 0.01mm resolution, this 180g lightweight device delivers lab-grade precision in a field-tough IP-rated package – perfect for pipeline, tank, and structural inspections.
Download brochure → ––––––––– Request a quote →
The UDT-20 is a compact, high-accuracy ultrasonic thickness gauge designed for fast, reliable measurements of metals, plastics, and composites. Combining A-scan/B-scan visualization with 0.01mm resolution, this 180g lightweight device delivers lab-grade precision in a field-tough IP-rated package – perfect for pipeline, tank, and structural inspections.
✔ 0.3–500mm range with 0.01mm resolution
✔ "Zero-cross" technology – Eliminates errors in thin-wall measurements
✔ Works through coatings – Measures under 10mm paint/lining in echo-echo mode
✔ "Zero-cross" technology – Eliminates errors in thin-wall measurements
✔ Works through coatings – Measures under 10mm paint/lining in echo-echo mode
✔ B-scan imaging – Visualizes material profile and minimum thickness
✔ TCG/AGC – Compensates for signal attenuation in coarse materials
✔ Table mode – Creates inspection matrices for large components
✔ TCG/AGC – Compensates for signal attenuation in coarse materials
✔ Table mode – Creates inspection matrices for large components
✔ 180g weight – Lighter than a smartphone
✔ 12-hour battery – Lasts 2 full shifts on one charge
✔ Sunlight-readable TFT – 3 color modes for any lighting
✔ 12-hour battery – Lasts 2 full shifts on one charge
✔ Sunlight-readable TFT – 3 color modes for any lighting
- Works with 0.5–20MHz probes (single/dual element)
- Pre-loaded transducer database – One-touch setup
- Accepts any third-party probes via PC configuration
Feature — Specification
Measurement Range: 0.3–500mm
Accuracy: ±0.01mm
Frequency Range: 0.5–20MHz (-6dB)
Gain Control: 92dB (0.5dB steps)
Memory: 100 probe settings / 500 results
Battery Life: 12+ hours
Weight: 180g (IP-rated)
Operating Temp: -25°C to +55°C
Measurement Range: 0.3–500mm
Accuracy: ±0.01mm
Frequency Range: 0.5–20MHz (-6dB)
Gain Control: 92dB (0.5dB steps)
Memory: 100 probe settings / 500 results
Battery Life: 12+ hours
Weight: 180g (IP-rated)
Operating Temp: -25°C to +55°C
1. Standard Thickness Measurement
- Echo-echo mode for coated surfaces
- Velocity calibration for unknown materials
- B-scan – Maps corrosion profiles
- Min thickness tracking – Identifies worst-case values
- 50×50 measurement grids – For tank floors and large plates
- Alarm thresholds – Flags out-of-spec readings
✅ 5x lighter than competitors – One-hand operation
✅ Sees through coatings – No stripping required
✅ B-scan imaging – Find hidden corrosion
✅ -25°C cold-proof – Arctic to desert ready
✅ Sees through coatings – No stripping required
✅ B-scan imaging – Find hidden corrosion
✅ -25°C cold-proof – Arctic to desert ready
- UDT-20 main unit
- Li-Po battery & charger
- 2× Lemo00 cables
- Transport case & protective cover
- PC software for data management
See also
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