Fluid Ultrasonic Couplant
Echo Ultrasonic offers the broadest range of fluid UT (Ultrasonic Testing) couplants for AUT (Automated Ultrasonic Testing) inspections available on the market today, meeting your specific viscosity, temperature range, and water solubility requirements to ensure compatibility and quality performance.
What to Consider When Selecting a Fluid UT Couplant?
- Temperature of the environment
- Material compatibility
- Surface texture
- Final application
- Viscosity
Our team designs and develops our fluid UT couplants for AUT inspections to ensure accuracy, consistency, safety, and efficiency. View the fluid selection chart below to determine which Echo Ultrasonic fluid UT couplant meets your criteria and application requirements.
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Echo 3HT™ Fluid
- When water won’t work, Echo 3HT is the next step.
- Operating Range: -30° to 350°F (-34° to 177°C)
- Pumpable Range: 35˚ to 350˚F (2˚ to 177˚C)
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Echo 6 HT™
- Low-cost silicone based high-temperature UT fluid
- Replaces plant-based oils (peanut and canola) and mineral oils
- Operating Range: -40° to 675°F (-40° to 357°C)
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Echo 8 HT™ Fluid for AUT and Robotics
- Most universal AUT fluid
- Broadest operating range
- (-50 to 800ºF / -45 to 425ºC)
- Three viscosity grades
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EchoFLOW™ Fluid
- Ideal fluid for cold environments
- Approved for use in critical environments
- Operating Range: -40 to 150°F (-40 to 65°C)
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Fluid Selection Chart
View a pdf of the Echo Fluid Selection Chart.
