www.foodengineeringmag.com/articles/83038-detector-with-high-washdown-rating
Detector with high washdown rating
January 6, 2004

Thermo Electron says its DSP IP metal detection system is impervious to high-pressure washdown. The DSP IP exceeds the IP69k standard that specifies proof against ingress of water from jets at 1450-psi and at temperatures up to 80