Architecture and engineering
Calibration Technologists and Technicians
- Median pay
- $67,820
- Outlook
- As fast as average
Associate's degree
SOC 51-9061.00
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.
Data verified Nov 2026 · CollegesRef 2026–27 edition
Source: BLS 2025 wages · 2025–35 projections
Annual pay range
597,370 people work in this occupation.
In short
Inspectors, testers, sorters, samplers, and weighers examine raw materials and manufactured parts to ensure they meet quality standards. In 2025, workers in this field earned a median annual pay of $48,570.
Written with AI from the BLS, O*NET and CareerOneStop data on this page. Every figure is checked against that data before it is published.
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.
Usually a high school diploma; some on-the-job training or experience.
Workers in this role evaluate nonagricultural materials, machined parts, and assembled products to detect defects, wear, or deviations from specifications. Day-to-day tasks involve monitoring production processes, inspecting equipment, and identifying specific objects or actions. They frequently use precision measuring instruments and complex testing equipment to judge the quality of items and ensure compliance with standards. Documenting information, making decisions to solve problems, and communicating findings to supervisors and peers are also core parts of the job.
This occupation strongly appeals to individuals with realistic interests who enjoy hands-on, practical work. Success in this field requires skills in quality control analysis, critical thinking, monitoring, and active listening. Workers must have a solid understanding of production and processing, mathematics, mechanical principles, and public safety. Key work styles include a high level of attention to detail, cautiousness, dependability, and integrity when evaluating materials.
To enter this career, individuals typically need a high school diploma. The occupation is classified under O*NET Job Zone 2, meaning it requires some preparation, which usually includes a combination of a high school education and some on-the-job training or previous work experience. Students interested in this field may pursue college majors in quality control and safety technologies or techniques.
Depending on the industry, workers can obtain professional certifications to demonstrate their expertise. Examples of these credentials include the Aggregate Testing Technician - Level 1, Aggregate Base Testing Technician, Certified Cement Physical Tester, and Certified Post-Installed Adhesive Anchor Installation Inspector, all offered by the American Concrete Institute International. Other options include the API QUTE Qualification of Ultrasonic Testing Examiners from the American Petroleum Institute and the Certified Composites Technician credential from the American Composites Manufacturers Association. Additionally, some states list licensing requirements for this line of work.
According to 2025 data, the median annual pay for these workers is $48,570. This means half of the workers in this field earn more than this amount, and half earn less. The lowest 10% of earners make less than $35,510, while the highest 10% earn more than $77,860.
There are 597,370 people employed in this occupation. Between 2025 and 2035, employment is projected to grow by 2.5%, which is as fast as the average for all occupations. Despite this modest growth rate, the field offers steady opportunities, with an estimated 66,700 job openings projected each year.
Interest code RCI. Compare it with yours
Abrasive Grader · Acid Tester · Air Box Tester · Air Conditioning Unit Tester (AC Unit Tester) · Air Sampler · Air Value Tester · Aircraft Instrument Tester · Aircraft Launching and Arresting Systems Inspector · Aligning Inspector · Alloy Weigher
Career pathway
Interests that fit the work, the career, majors that lead there and colleges whose graduates in those majors earn the most. Hover or focus a step to follow one path.
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College Scorecard program outcomes
Programs that lead to this career, ranked by what their graduates earn four years after finishing. Earnings are for graduates who received federal aid.
Ellensburg, WA · Quality Control and Safety Technologies/Technicians · Bachelor's
Richmond, KY · Quality Control and Safety Technologies/Technicians · Bachelor's
Jacksonville, AL · Quality Control and Safety Technologies/Technicians · Bachelor's
Indiana, PA · Quality Control and Safety Technologies/Technicians · Bachelor's
Keene, NH · Quality Control and Safety Technologies/Technicians · Bachelor's
Slippery Rock, PA · Quality Control and Safety Technologies/Technicians · Bachelor's
Warrensburg, MO · Quality Control and Safety Technologies/Technicians · Bachelor's
Murray, KY · Quality Control and Safety Technologies/Technicians · Bachelor's
Source: U.S. Department of Education College Scorecard field-of-study data, 2025. Programs with few graduates are not listed.
NCES CIP–SOC crosswalk
Related programs by four-digit CIP code. They are common routes in, not the only ones.
169 colleges offer it
CareerOneStop
What inspectors, testers, sorters, samplers, and weighers may need beyond a degree, where a license is required, and what the work pays in each state.
Core certifications employers recognise for this work. Showing 12 of 25.
Programs of study that prepare people for this work.
14 states list a license for this work. Open your state for the license and the agency that issues it.
Weighmaster
Class A and B Hydrostatic Testing Technician
Arkansas Fire Protection Licensing Board, Arkansas Department of Labor and Licensing
Certified Weigher's License
ICS, Measurement Standards Section, Colorado Department of Agriculture
Egg Seller
Milk Haulers License
Milk Program, Colorado Dept of Public Health and Environment
Milk Sampler/Tester License
Milk Program, Colorado Dept of Public Health and Environment
Milk Examiner
Bureau of Regulation & Inspection, Department of Agriculture
Operator Of Weighing & Measuring Devices
Occupational & Professional Licensing, Department of Consumer Protection
Public Weigher
Occupational & Professional Licensing, Department of Consumer Protection
Repairer Of Weighing & Measuring Devices
Occupational & Professional Licensing, Department of Consumer Protection
Sampling Technician
Division of Environmental Health, Bureau of Lead Poisoning Prevention
Measurer- Sampler, Dairy Products
Dairy Stabilization Board, Louisiana Department of Agriculture and Forestry
Bulk Milk Hauler & Sampler License
Dairy and Food Inspection Division, Minnesota Department of Agriculture
Antifreeze Registration
Food and Drug Protection Division, NC Department of Agriculture and Consumer Services
Livestock Market
Veterinary Division, NC Department of Agriculture and Consumer Services
Meat And Poultry Handlers
Meat & Poultry Inspection Division, NC Department of Agriculture and Consumer Services
Milk and Cream Hauler And Sampler
Food and Drug Protection Division, NC Department of Agriculture and Consumer Services
Oversize Overweight Permits - Annual (OSOW)
Mobility & Safety - Oversize Overweight (OSOW), Highways, NC Department of Transportation
Weigh-in & Special Use Permits
Licensing, Customer Support Section, NC Wildlife Resources Commission
Weighing/Measuring Device Prototype Approval
Standards Division, NC Department of Agriculture and Consumer Services
Wholesale Frozen Dessert Inspection
Food and Drug Protection Division, NC Department of Agriculture and Consumer Services
Weigher, Sampler, and Tester License
Ohio Department of Agriculture
Weights and Measures Dealer/Repairer
Weights & Measures Licensing, Vermont Agency Of Agriculture, Food & Markets
LIvestock Market License
Weighman License
CATHODIC PROTECTION TESTER
Data from CareerOneStop, sponsored by the U.S. Department of Labor (Employment and Training Administration, with the Minnesota Department of Employment and Economic Development). Retrieved November 9, 2026.
Your plan
Courses, majors, colleges, scholarships and a timeline for this career, built from your profile.
Written with AI from the BLS, O*NET and CareerOneStop data on this page. Every figure is checked against that data before it is published.
Workers in this field are known by many specific titles depending on their industry. Some of these names include Abrasive Grader, Acid Tester, Air Box Tester, Air Sampler, Aircraft Instrument Tester, and Alloy Weigher.
Most entry-level positions in this field require a high school diploma. Workers generally receive some on-the-job training or have prior experience to prepare for the job duties.
Yes, several certifications are available through organizations like the American Concrete Institute International, the American Petroleum Institute, and the American Composites Manufacturers Association. Additionally, some states list licensing requirements for certain positions in this field.
Every figure on this page comes from these public datasets. Missing values are shown as not reported, never estimated.
Version 31.0
Version 2025-35 · Data year 2025
Version 2025 · Data year 2025
Version 2020 · Data year 2020
O*NET 31.0 Database by the U.S. Department of Labor, Employment and Training Administration (USDOL/ETA). Used under the CC BY 4.0 license. CollegesRef has modified all or some of this information.
Data from CareerOneStop, sponsored by the U.S. Department of Labor (Employment and Training Administration, with the Minnesota Department of Employment and Economic Development). Retrieved November 9, 2026.
Page data updated November 5, 2026.