The Olympus Delta DP-4000 (Delta Premium) is a high-end handheld XRF analyzer. We build it for great speed, precision, and Light Element (LE) performance. This unit uses a powerful X-ray tube and the best SDD detector. It is optimized for fast, accurate measurement of almost all elements. It includes key LEs like Mg, Al, and Si. The DP-4000 is the best tool for tough work. This includes aerospace alloy checks, L-grade steel separation, and complex geological mapping. It delivers high-volume PMI and lab-quality results right in the field.