English to Spanish Tech/Engineering Metallurgy / Casting Laser analyzer

Se trata de un instrumento láser portátil que detecta y analiza la composición química de distintos tipos de aleaciones metálicas.
"Pre-burn" es un proceso previo de limpieza que permite remover impurezas de la superficie para lograr una lectura de composición fiable.
Aquí hay algo de contexto:
"One solution to surface contamination is the ***pre-burn***. It is a laser, after all. “The cleaning shot is critical,” Sackett said. “No recycler is going to grind and polish. So we designed the unit to fire multiple pre-burn shots before taking the first detection shot.” Improvements like those, he adds, “were slower to the market but better.” The updated laser operation (patent pending) operates at 50 Hertz (Hz) for sample surface preparation. It fires 10 laser shots in two-tenths of a second, then resets to 10 Hz operation for gated spectral data collection."

Gracias de antemano,