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MT660 Ultrasonic Thickness Gauge – Through-Coating Corrosion & Wall Thickness Inspection Meter

MT660 Ultrasonic Thickness Gauge – Through-Coating Corrosion & Wall Thickness Inspection Meter

Regular price $1,275.95 USD
Regular price $1,467.95 USD Sale price $1,275.95 USD
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The MT660 Ultrasonic Thickness Gauge is a professional-grade NDT instrument designed for accurate wall thickness measurement and corrosion monitoring in pipelines, pressure vessels, storage tanks, and industrial structures. Featuring Pulse-Echo and Echo-Echo measurement modes, it can measure through coatings without removing paint, making it ideal for Oil & Gas, petrochemical, marine, and manufacturing applications. Its rugged aluminum housing, Bluetooth connectivity, data storage, and high-resolution color display provide reliable performance in demanding field environments.

Product features

✔ Dual Measurement Modes: Pulse-Echo (P-E) and Echo-Echo (E-E)

✔ Through-Coating Measurement Capability

✔ Measurement Range:


  • P-E Mode: 0.65 mm to 600 mm

  • E-E Mode: 3 mm to 100 mm

✔ High Resolution:


  • 0.1 mm

  • 0.01 mm

  • 0.001 mm selectable

✔ Accuracy:


  • ±0.04 mm (<10 mm)

  • ±0.4% of reading (>10 mm)

✔ Color TFT Display (320 × 240) with adjustable backlight

✔ Bluetooth and USB 2.0 communication

✔ Wireless report printing capability (optional Bluetooth printer)

✔ Internal memory:


  • 100 groups

  • Up to 100 readings per group

✔ Scan Mode for rapid corrosion surveys

✔ Voice broadcast function

✔ Automatic probe calibration and error correction

✔ Sound velocity range:


  • 1000 to 9999 m/s

✔ Suitable for:


  • Steel

  • Stainless steel

  • Aluminum

  • Cast iron

  • Plastics

  • Glass

  • Ceramics

  • Composite materials

✔ Optional probes available for:


  • Thin wall pipes

  • High-temperature inspection

  • Thick materials

  • Through-coating measurement

✔ Rugged extruded aluminum housing for industrial environments

✔ Operating temperature:

-20°C to +60°C

Materials and care

Constructed with a durable extruded aluminum alloy housing engineered for industrial field use. Store in a dry environment, clean the probe after use, and apply approved ultrasonic couplant during measurements. Remove batteries during long-term storage and protect the display from excessive impact and contamination.


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