Sample Tester-Grinder

Tend crushers, ovens, and screens to test ore samples.
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Quick Stats


Salary Range
$20,000 – $56,000

Data from U.S. Department of Labor


What do Sample Tester-Grinders do?

Tends crushers, ovens, and screens to test samples of ore: Starts crusher to pulverize ore. Removes ore from crusher and places it in oven to dry. Sends portion of sample to laboratory for chemical analysis. Places sample in vibrator containing magnets and water. Starts vibrator to separate magnetic content of ore from impurities. Drains water from vibrator and weighs magnetic remainder. Pours ore sample through series of vibrating screens of different size openings to separate ore samples. Weighs and records each size of ore. Records number of tests performed. May collect ore samples from various sites in plant or mine, and record origin of samples. May perform chemical sedimentation or hardness tests on samples.


Should I be a Sample Tester-Grinder?

You should have a high school degree or higher and share these traits:
  • Levelheaded: You hold your emotions in check, even in tough situations.
  • Team Player: You're able to listen, communicate, and work with tons of different people.
  • Reliable: You can always be counted on to do a good job.

  • How to become a Sample Tester-Grinder

    Most Sample Tester-Grinders have no higher education and get on-the-job training. Think about earning a Certificate or Associate's degree to increase your competitiveness in the field. Chart?chd=s:9zcaaa&chl=no+college+%2869%25%29|certificate+%2828%25%29|associate%27s+%283%25%29|||&cht=p3&chs=466x180&chxr=0,69,69
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