Echo offers the broadest range of range of fluid UT couplants for AUT inspections. Selection criteria include viscosity, temperature range and water solubility requirements. View the fluid selection chart below.

ECHO 8 HT™

  • Most universal AUT fluid
  • Broadest operating range
    (-50 to 800ºF / -45 to 425ºC)
  • Three viscosity grades

echo-8-ht-high-temperature-industrial-couplant

EchoPure Fluid

  • Best fluid for very low to ambient temperatures
  • Operating range
    (-60 to 350ºF / -51 to 1760ºC)

echo-8-ht-high-temperature-industrial-couplant