The overall design of EXF6900 is professional and mature, large chamber is designed for various nonstandard samples in jewelry industry, specialized in large material analysis. Detailed features: Analysis Elements: Au ��g ��t ��d��h ��u ��u��n ��i��d��br />Analysis Range: 10%節�9.99% Test point dimension:1節�mm Sample Case Size: 0節�0 mm Spectrometer Size: L500 mm*W450mm*H350 mm Test Time: Confirm the elements in 1節� seconds, operator could set the time for testing the elements indensity.) Test Precision: +/-0.15% (The Precision could keep 0.15竊�after several repeated test) High Pressure Template:4節�0Kv X-Ray Source: Mo Material X-ray light tube( Wind Cool, No radiation) Max. Power: 120W Weight: 35Kg Detector: Hermitic Proportional Counter with Micro processor Coated layer measurement: Coated layer thickness Range <30μm Eight fans of the circulatory system, Temperature control system can protect themselves