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Details for Inspectors, Testers, Sorters, Samplers, and Weighers


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.


  • Fabricate, install, position, or connect components, parts, finished products, or instruments for testing or operational purposes.
  • Notify supervisors and other personnel of production problems, and assist in identifying and correcting these problems.
  • Administer tests to engineers and operators to assess whether they are qualified to use equipment.
  • Write and install computer programs to control test equipment.
  • Interpret legal requirements, provide safety information, and recommend compliance procedures to contractors, craft workers, engineers, and property owners.
  • Make minor adjustments to equipment, such as turning setscrews to calibrate instruments to required tolerances.
  • Remove defects, such as chips and burrs, and lap corroded or pitted surfaces.
  • Stack and arrange tested products for further processing, shipping, or packaging and transport products to other work stations as necessary.
  • Supervise testing or drilling activities.
  • Compute usable amounts of items in shipments and determine prices, based on quantities and grade assessments.
  • Conduct inspections of wiring, fixtures, and equipment on properties to verify compliance with electrical codes, and enforce codes as necessary.
  • Inspect the installation of mechanical components of appliances, heating and air-conditioning equipment, gasoline and butane tanks, or gas and oil piping.
  • Review mechanical construction and building plans to ensure code compliance, and issue either permits or orders to correct code or safety violations.
  • Analyze and interpret blueprints, data, manuals, and other materials to determine specifications, inspection and testing procedures, adjustment and certification methods, formulas, and measuring instruments required.
  • Analyze test data and make computations as necessary to determine test results.
  • Collect or select samples for testing or for use as models.
  • Compare colors, shapes, textures, or grades of products or materials with color charts, templates, or samples to verify conformance to standards.
  • Discard or reject products, materials, and equipment not meeting specifications.
  • Discuss inspection results with those responsible for products, and recommend necessary corrective actions.
  • Grade, classify, and sort products according to sizes, weights, colors, or other specifications.
  • Inspect, test, or measure materials, products, installations, and work for conformance to specifications.
  • Mark items with details such as grade and acceptance or rejection status.
  • Measure dimensions of products to verify conformance to specifications, using measuring instruments such as rulers, calipers, gauges, or micrometers.
  • Observe and monitor production operations and equipment to ensure conformance to specifications and make or order necessary process or assembly adjustments.
  • Position products, components, or parts for testing, or direct other workers to position them.
  • Read dials and meters to verify that equipment is functioning at specified levels.
  • Record inspection or test data, such as weights, temperatures, grades, or moisture content, and quantities inspected or graded.
  • Set controls, start and monitor machines that automatically measure, sort, or inspect products.
  • Weigh materials, products, containers, or samples to verify packaging weights and ingredient quantities, or to determine sorting.
  • Write test and inspection reports describing results, recommendations, and needed repairs.
  • Adjust, clean, or repair products or processing equipment to correct defects found during inspections.
  • Check arriving materials to ensure that they match purchase orders and submit discrepancy reports when problems are found.
  • Clean, maintain, repair, and calibrate measuring instruments and test equipment such as dial indicators, fixed gauges, and height gauges.
  • Compute defect percentages or averages, using formulas and calculators, and prepare reports of inspection or test findings.
  • Disassemble defective parts and components, such as inaccurate or worn gauges and measuring instruments, using hand tools.


  • Realistic - Realistic occupations frequently involve work activities that include practical, hands-on problems and solutions. They often deal with plants, animals, and real-world materials like wood, tools, and machinery. Many of the occupations require working outside, and do not involve a lot of paperwork or working closely with others.
  • Investigative - Investigative occupations frequently involve working with ideas, and require an extensive amount of thinking. These occupations can involve searching for facts and figuring out problems mentally.
  • Conventional - Conventional occupations frequently involve following set procedures and routines. These occupations can include working with data and details more than with ideas. Usually there is a clear line of authority to follow.

Education, Training, Experience

  • Education - These occupations usually require a high school diploma.
  • Training - Employees in these occupations need anywhere from a few months to one year of working with experienced employees. A recognized apprenticeship program may be associated with these occupations.
  • Experience - Some previous work-related skill, knowledge, or experience is usually needed. For example, a teller would benefit from experience working directly with the public.


  • Mathematics - Knowledge of arithmetic, algebra, geometry, calculus, statistics, and their applications.
  • Production and Processing - Knowledge of raw materials, production processes, quality control, costs, and other techniques for maximizing the effective manufacture and distribution of goods.


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Wages for this career
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