Career & application guide

Inspectors, Testers, Sorters, Samplers, and Weighers

Get to know the work, the skills that matter, and how to prepare your next application.

Explore this guide

What do inspectors, testers, sorters, samplers, and weighers do?

Inspect, test, sort, sample, or weigh nonagricultural raw materials or processed, machined, fabricated, or assembled parts or products for defects, wear, and deviations from specifications. May use precision measuring instruments and complex test equipment.

This describes a U.S. occupation, not a live vacancy. Individual employers may use different titles and requirements.

Job titles to recognize in your search

O*NET reports these titles for this occupation. Compare the responsibilities in each posting before treating titles as equivalent.

  • Inspector
  • QA Auditor (Quality Assurance Auditor)
  • QA Inspector (Quality Assurance Inspector)
  • QA Technician (Quality Assurance Technician)
  • QC Technician (Quality Control Technician)
  • Quality Auditor
  • Quality Control Inspector (QC Inspector)
  • Quality Inspector

Core tasks to compare with a job posting

  • Discard or reject products, materials, or equipment not meeting specifications.
  • Mark items with details, such as grade or acceptance-rejection status.
  • Measure dimensions of products to verify conformance to specifications, using measuring instruments, such as rulers, calipers, gauges, or micrometers.
  • Notify supervisors or other personnel of production problems.
  • Inspect, test, or measure materials, products, installations, or work for conformance to specifications.
  • Write test or inspection reports describing results, recommendations, or needed repairs.
  • Recommend necessary corrective actions, based on inspection results.
  • Read dials or meters to verify that equipment is functioning at specified levels.
  • Make minor adjustments to equipment, such as turning setscrews to calibrate instruments to required tolerances.
  • Read blueprints, data, manuals, or other materials to determine specifications, inspection and testing procedures, adjustment methods, certification processes, formulas, or measuring instruments required.

Prepare an application for this occupation

  1. Check the employer’s requirements, location, schedule and any licenses against your situation.
  2. Choose two or three tasks above that match the posting and your actual experience.
  3. Build a resume evidence worksheet using the skills and software relevant to that employer.
  4. Practice explaining your contribution, decisions and results before an interview.

Ready to plan your search?

Start with inspectors, testers, sorters, samplers, and weighers as your target. You can change your role in the quiz and tell us your location and work preferences.

Explore related occupations