When you need a reliable analysis tool to provide fast and accurate Positive Material Identification (PMI), turn to the DELTA. From turnings, shavings, rods, and wires to small parts and components, to more sizeable material or structures, the DELTA provides anywhere, anytime testing with faster and more accurate results than ever before. There are also many types of metal analyzers like slag analyzer, spark optical emission spectrometer, precious metal analyzer and karate tester.http://www.skyray-instruments.net/metal-analyzer/