MetalDetector Calibration Services

Industrial metal detection systems serve as a critical safety checkpoint in food, pharmaceutical, and other production environments, screening products for metal contamination before they reach consumers. 

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Our Metal Detector Calibration Services

Whether protecting against foreign material introduced during harvesting, processing, or packaging, systems must perform reliably and consistently to catch contamination and prevent costly recalls.

Our national network of local calibration providers delivers the trustworthy results you rely on for safe, audit-ready operations.

Our Process 


Metal detector calibration is the process of testing and certifying that an industrial metal detector reliably detects contamination at the size, material, and location your product safety plan requires. Calibration is performed by passing a metal or metal alloy test standard—matched to the materials and sizes your facility needs to detect—through the detector's aperture and confirming successful detection across multiple passes.

A Testing Program Built Around Your HACCP Plan: Because every production line, product, and packaging environment is different, metal detector calibration isn't a one-size-fits-all checklist. We work directly with your HACCP team to define the test parameters that matter for your specific equipment and product line, ensuring the detector is verified against the contamination risks it's actually responsible for catching. For facilities that haven't yet established specific test point parameters, we can provide default recommendations to help get a testing program in place.

Test parameters developed with your HACCP team typically include:

  • Metal type: Steel, stainless steel, brass, or aluminum

  • Test piece size: From standard reference sizes down to less than 1mm, with sizing guided by your product type (wet or dry) and the detector's aperture height

  • Shape: Sphere, puck, stick, wire/rod, card, or other relevant shapes

  • Location within the detection aperture: Center, or other positions relevant to your product flow

  • Line speed: Typically tested at the detector's current operating rate

  • Product proximity: Standalone testing, or testing over, under, beside, or inside actual product/packaging

This collaborative approach ensures your calibration program reflects the real conditions and contamination risks on your line—not a generic test that may not match what your HACCP plan actually requires.

Find Metal Detector Calibration Services

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  • Accutek Lab

    Accutek Lab has been providing reliable and cost-effective pipette calibration services across the United States since 1996.

  • Aldinger

    Since 1972, Aldinger has been providing top-quality calibration services for test and measurement equipment in Texas and beyond.

  • Cal-Cert

    Cal-Cert is committed to providing the highest level of calibrations and certification service to our customers.

  • Cal-Labs

    Cal-Labs has provided quality calibration in Southern California since 1977. We are A2LA accredited to ISO 17025. 

  • Cal Tec Process Management

    The calibration specialists at CTPM have been providing precision calibration and quality assurance since 1987.

  • CMG Sales, Inc.

    CMG Sales, Inc. is a leading manufacturer sales representative and ISO 17025 accredited calibration laboratory providing services to manufacturers nationwide.

  • Color Calibration Group

    Color Calibration Group has been providing professional calibration services for all your color, light, and viscosity calibration needs for over 25 years.

  • ETI Precision

    ETI has been a leader in the calibration, repair, and sale of test and measurement equipment since 1994, and covers all 50 states.

  • Holts Precision, Inc.

    For over 60 years Holts Precision, Inc. has performed calibrations & repairs on all major brands of gaging equipment.

  • Huston-DePue

    Established in 1960, HDCL is staffed by experienced professionals who understand the critical role accurate measurement plays in quality control and regulatory compliance.

  • Instrument Technologies, Inc.

    For over three decades, Instrument Technologies, Inc. (ITI) has been a trusted partner for regulated industries seeking precision, compliance, and operational reliability.

  • IPM, Inc.

    Industrial Process Measurement, Inc. has been in the instrument supply, service and calibration business for over 30 years.

  • J & J Calibration Service

    J&J Calibration Service, an ISO-17025 accredited company, offers unmatched mobile calibration capabilities and laboratory calibration services.

  • OCS Technologies

    Founded in 1930, OCS Technologies is a trusted multi-discipline calibration service provider as well as leading product distributor.

  • OnCal

    With over 23 years of experience in pipette calibration in the Pacific Northwest, the OnCal Corporation guarantees seamless and dependable metrology services.

  • Polymer Testing Instruments

    Since 1996 Polymer Testing Instruments Inc. has provided high quality service and calibration of equipment for the rubber, plastics, and energy industries.

  • Precision Calibration Systems

    PCS is a full-service ISO 17025 Accredited calibration laboratory, founded with the goal of providing reliable and accurate instrument calibration service.

  • Quality Control Services

    Quality Control Services is an established, accredited calibration services and laboratory equipment company with over 40 years of experience.

  • Quality Surveillance, Inc.

    QSI has been providing Los Angeles, Ventura, Santa Barbara and Santa Clarita Counties with reliable and cost effective metrology services since 1992.

  • Scale Service & Supply

    From laboratory balances to truck scales, Scale Service & Supply has been providing precision calibration for weighing systems since 1987. 

  • Tescom Calibration Services

    Tescom Calibration Services has provided sales, repair, and calibration of telecom test equipment since 1982.

  • Trident Calibration Labs

    Serving the greater Phoenix area, Trident Calibration Labs has more than 100 years of combined calibration experience.

  • Tru Cal International

    Serving as an asset to countless businesses in a variety of industries, Tru Cal International has specialized in test equipment calibration since 1992. 

  • Utah Scale Center

    Utah Scale Center offers servicing and calibrating of industrial scales across the Rocky Mountain Region, with 70+ years of experience.

  • Washington Calibration

    Washington Calibration has been providing customers with quality gage repair services for all their inspection measuring instruments for more than 34 years. 

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