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Echo Ultrasonics

Echo Ultrasonics

Manufacturer and seller of NDT Ultrasonic Couplants

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News & Updates

Fluid couplants for AUT Inspections in the Winter

December 7, 2021

With winter approaching, many of you will be performing AUT inspections on high temperature parts in a cold environment.  Echo has three types of AUT fluid couplants for your AUT needs. Most liquids increase in viscosity as the temperature decreases.  It is important to select a fluid that will work with the diameter and length […]

Filed Under: News & Updates Tagged With: Ultrasonic Couplant

Echo Z+ High Impedance Couplant

November 16, 2021

Filed Under: News & Updates Tagged With: NDT Couplant

A Great Couplant Just Got Even Better

March 11, 2020

EchoTherm ExtremeTM – the only no-residue, high-temperature ultrasonic couplant for use above 805°F (429°C) has been reformulated to increase transmission performance up to 1250°F (675°C).  EchoTherm Extreme facilitates high temperature inspections that were previously impossible. Look for the lavender top on the EchoTherm Extreme tube as your assurance of the best performing high temperature UT […]

Filed Under: News & Updates

Scott Cargill Shares His Experience With Auto-ignition During a UT Inspection

February 27, 2020

Scott Cargill, Past President of ASNT shared the below auto-ignition story with us.  It is well worth the read. Auto-Ignition? What’s that? Wait a minute, I’m almost positive it has something to do with the MSDS – Materials Safety Data Sheet (old school) or with the harmonized global system of today just SDS – Safety […]

Filed Under: Articles, High Temperature Couplants, News & Updates Tagged With: Auto Ignition

Important Considerations for Couplant Selection

August 15, 2019

Couplant selection is a critical factor to insure reliable, repeatable UT inspection results and to optimize productivity. Couplant is required due to the acoustic impedance mismatch between air in the interface with the transducer and the test object. If there were no couplant, nearly all of the energy from the transducer would be reflected back […]

Filed Under: News & Updates

API Subcommittee on Inspection and Mechanical Integrity to address the auto-ignition of NDT Ultrasound Couplants

April 24, 2019

As recently published in Inspectioneering Journal: “The API Committee on Refinery Equipment (CRE) made a recommendation that SCIMI address the auto-ignition of NDT ultrasound couplants by including new paragraphs in the upcoming rewrites of API RP 572 (Inspection of Pressure Vessels) and API RP 574 (Inspection Practices for Piping System Components). These paragraphs will incorporate […]

Filed Under: News & Updates

Save Time, Reduce Cost and Improve Safety & Performance with Echo Ultrasonics UT Couplants

February 14, 2019

EchoAd_NDT-1 Echo Ultrasonics can help you save time by ordering direct.  We stock all couplants in all container sizes and offer same day shipping with worldwide delivery.  Reduce Cost: Echo’s commitment is to provide the highest performance and safety profile ultrasonic couplant at a fair price, or 10% less than the lowest competitive price for […]

Filed Under: Ambient Temperature Couplant, AUT Fluids, High Temperature Couplants, Industrial Ultrasonic Couplant, News & Updates, UT Inspections Tagged With: AUT Fluid, Couplant, EchoPure, ExhoTherm Extreme, SuperSoniX, UT inspection, VersaSonic

SuperSoniX™ – A new UT Couplant with a Historic Name

January 23, 2019

In May of 1940, Floyd Firestone, a Professor in the department of Physics at the University of Michigan, filed US patent 2280226 in which he described an instrument for the detection of flaws and measuring thickness in metal objects.  Dr. Firestone used the term “Supersonic Vibration Waves” to describe what we now refer to as […]

Filed Under: Articles, Industrial Ultrasonic Couplant, News & Updates, UT Inspections Tagged With: High Performance Couplant, SuperSoniX

VersaSonic® – A better alternative to Sono® 600

January 8, 2019

VersaSonic is the most versatile couplant with UT applications including: High temperature inspections – up to 700°F / 371°C Extreme weather conditions – rain, snow, mud and sleet Freezing temperatures down to -10°F / -23°C Power generation equipment – insulation compatible Best corrosion inhibition of all couplants VersaSonic is available in two viscosities to optimize […]

Filed Under: News & Updates

Selecting the Correct High Temperature UT Couplant

October 9, 2018

When performing UT inspections at elevated temperatures, it is critical to select the correct couplant, both for performance and safety.  Thickness gauging and corrosion mapping are often conducted at temperatures between 500°and 1000°F (260° and 538°C) where auto-ignition may occur.  Ultrasonic transducers and instruments capable of operating at temperatures up to 950°F (510°C) are routinely […]

Filed Under: High Temperature Couplants, News & Updates, UT Inspections

AUT Fluids: It’s all about the vaporization rate.

August 13, 2018

Determining the best AUT fluid for an application involves several factors: Maximum temperature of test object (or under insulation) Viscosity must be within the capability of the pump: This decision includes knowing the viscosity at the minimum temperature of the fluid reservoir and supply lines and the maximum length of the line from pump to […]

Filed Under: News & Updates

Silver Bullet Couplants – for inspections that are almost impossible without the right couplant.

July 5, 2018

Many UT applications require a specialty UT couplant.  For difficult inspections that require high acoustic impedance, shear wave, reduced surface noise, extreme temperature range or extended service life for sensors, we have the right couplant. High Impedance Couplant: A high impedance couplant typically has an acoustic impedance above 3.5 M Rayls.  Water based couplants typically have […]

Filed Under: Articles, Industrial Ultrasonic Couplant, News & Updates, Specialty Application, UT Inspections Tagged With: Ambient Couplant, Flow Meter Couplant, High Impedance Couplant, NDT Couplant, non-destructive testing, Paste Couplant, Phased Array Couplant, Shear Wave Couplant, Specialty Couplant, UT Couplant

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News & Updates

  • Fluid couplants for AUT Inspections in the Winter
  • Echo Z+ High Impedance Couplant
  • A Great Couplant Just Got Even Better
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The American Society for Nondestructive Testing
Echo Ultrasonics®, LLC
774 Marine Drive
Bellingham, WA 98225


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F: 360-671-9024
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