PMI is popularly used to inspect the material whether conformed with the demand.The reason why PMI widely used is it has below advantages:

1. Flexible sampling methods of PMI can save the loss caused by sampling for the detection and analysis of rare and precious metals.
2. High test rate-PMI can set multi-channel instant multi-point acquisition, and real-time output through the calculator.
3. PMI can achieve non-destructive testing without destroying the sample for some mechanical parts, which is convenient for non-destructive testing.
4. PMI analysis speed is faster, and it is more suitable for pre-furnace analysis or on-site analysis so as to achieve rapid detection;
5. The accuracy of the PMI analysis result is based on the basis of the chemical analysis standard samples.
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