Application: 1. Stainless steel grade test 2. Alloy elements analysis 3. Ore analysis 4. Soil environmental monitoring 5. ROHS+halogen Specifications 1. SDD detector resolution: 139eV 2. Excitation source: X-ray tube, Ag target, end window, 50KV/100uA 3. Ambient temperature: -15º C-40º C 4. Battery: Large capacity of 7800mAh which can keep 8 hours of working 5. Measurable elements: Na– U 6. Screen: Rotating 3.5 inch touch screen 7. Detection limit: 0.001%~0.01% 8. Measurement time: 3 to 60 seconds 9. Filters: 18 filters combination and can automatically switch 10. Weight: 1.5Kg