Metallic Tubes (EMAT)

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  • Non-contact EMAT technique.
  • Appropriate for all metallic materials.
  • Probes for continuous measurement of materials up to 650⁰C.
  • No-wear sensors that do not touch the material inspected.
  • Great accuracy (+/-2.5µm) and lateral resolution (3mm).
  • Sensor arrays and touch probes for continuous and spot measurements.
  • 100% tube coverage option using proprietary encircling ring technology.
  • Automatic calculation of eccentricity and ovality.
  • Complementary sensors for measurement of shape and conductivity (in aluminum).
  • Thickness measurement on internally tapered tubes.


  • Technique:
    – Non-contact Electro Magnetic Acoustic Transducer (EMAT)
  • Materials Inspected:
    – Ferromagnetic and non-ferromagnetic metals, including carbon steel, stainless steel, aluminum, copper and brass.
    – Minimum thickness : 0.3mm (0.012”) contact Innerspec for thinner material.
    – Surface temperature: from -30ºC (-22ºF) to 750ºC (1,382ºF)
  • Measurement Accuracy and Lateral Resolution:
    – Accuracy: (+/-2.5µm).
    – Lateral Resolution (3mm).
  • Sensor Head Assembly:
    – Magnetic element and EMAT coil in a protective casing.
    – Sensors for high-temperature applications may incorporate air and/or water cooling depending on temperature and exposure time.
    – Designed for easy attachment to different mountings, and can incorporate air bearings or other systems to maintain adequate lift-off.
    – Automatic temperature compensation for high-temperature applications.
  • EMAT Instrumentation:
    – Strip, plate and tube thickness measuring instrument called PRIMO SC.
    – IP54 industrial enclosure can be located up to 2m from point of inspection.
    – Different enclosures can handle from 1 to 8 channels simultaneously.
    – 1 Channel Enclosure. Dimensions: 252mm L x 169mm W x 57mm T. Weight: 1.5Kg
    – Accessible by any device connected to the instrument’s IP address via WiFi or Ethernet..
  • Laser Instrumentation:
    Integrates with most industrial lasers including:
    – Keyence Laser Micrometers (LS-9000) and Laser Profilers (LJ-X8000).
    – Zumbach ODEC.

TEMATE TG-IL is an EMAT solution designed for measuring thickness of metallic materials with non-contact probes in harsh production environments. The equipment can be complemented with Laser Measurement of OD shape (TEMATETG-IL/LM) and/or conductivity measurement on aluminum tubes (TEMATE TG-IL/CM).