ISO/IEC 17025 Accredited Force Calibration
Accurate force measurement is essential for product quality, safety, and performance. Our national network of local calibration providers delivers the precision your operations depend on—supporting reliable testing, preventing failures, and reducing costly risks.
Our Force Calibration Services
Force measurement plays a critical role across industries such as materials testing, manufacturing, aerospace, automotive, and construction.
When force instruments drift out of specification, the consequences can include invalid quality data, compromised structural assessments, safety hazards, and expensive product failures. The Accredited Labs network offers comprehensive force calibration services that keep your instruments performing within their required accuracy ranges.
Our Process
Force calibration involves verifying and adjusting instruments that measure tension, compression, push, and pull forces across defined measurement ranges. Each device is compared to certified reference force standards with known, traceable values to identify any deviations from its intended performance.
Skilled technicians apply precisely controlled forces throughout the instrument’s full range, document all variations, and may make the adjustments needed to restore accuracy. If an instrument cannot be restored to the required accuracy range, you receive detailed reporting with the data necessary for corrective action, maintenance planning, or replacement decisions.
All force calibrations follow internationally recognized protocols that promote consistency, reliability, and complete measurement traceability. Each instrument is returned with documentation linking its accuracy to national force measurement standards—supporting quality management systems, safety regulations, and testing requirements.
Types of Force Measuring Instruments We Calibrate
Our comprehensive force calibration services cover the complete spectrum of force measuring technologies used across industries:
- Load Cells and Force Transducers: These electronic sensors convert mechanical force into electrical signals and are used in countless applications from weighing systems to structural monitoring. Calibration ensures accurate force-to-signal conversion across the full measurement range and various loading conditions.
- Mechanical Force Gauges: Spring-loaded and dial-type force gauges provide direct mechanical indication of applied forces. These instruments require calibration to verify scale accuracy, hysteresis, and repeatability across their measurement range.
- Digital Force Gauges: Electronic force measurement instruments with digital displays offer high accuracy and data logging capabilities. Calibration verifies both the force sensor accuracy and electronic processing to ensure reliable measurements.
- Tension and Compression Testing Machines: Universal testing machines and specialized force testing equipment require calibration of their force measurement systems to ensure accurate material testing and quality control measurements.
- Dynamometers: These instruments measure force, torque, or power in rotating machinery and require specialized calibration procedures to verify their accuracy under dynamic loading conditions.
- Torque Wrenches and Force Application Tools: Tools that apply controlled forces or torques require calibration to ensure they deliver the specified forces necessary for proper assembly and fastener installation.
- Crane Scales and Lifting Equipment: Force measurement devices used in material handling and lifting applications require calibration to ensure safe load monitoring and capacity verification.
- Push-Pull Gauges: Handheld instruments used for component testing, quality control, and field measurements require regular calibration to maintain their accuracy and reliability.
- Strain Gauge Instrumentation: Force measurement systems based on strain gauge technology require calibration of both the sensors and signal conditioning equipment to ensure accurate force measurements.
- Hydraulic and Pneumatic Force Systems: Force measurement systems that use fluid pressure to generate or measure forces require calibration of pressure sensors, force calculations, and system calibration factors.
Find Force 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.
Calibration ServicesPipette Calibration -
Aldinger
Since 1972, Aldinger has been providing top-quality calibration services for test and measurement equipment in Texas and beyond.
Calibration ServicesDimensional Calibration Electrical Calibration Flow Calibration Force Calibration Mass Calibration +7 more -
Cal-Cert
Cal-Cert is committed to providing the highest level of calibrations and certification service to our customers.
Calibration ServicesForce Calibration Torque Calibration Mass Calibration Pressure Calibration Temperature Calibration +3 more -
Cal-Labs
Cal-Labs has provided quality calibration in Southern California since 1977. We are A2LA accredited to ISO 17025.
Calibration ServicesDimensional Calibration -
Calibration Services Inc.
Calibration Services, Inc. (CSI) is an on-site and in-house calibration firm specializing in calibration and service of mechanical testing devices.
Calibration ServicesForce Calibration Torque Calibration Mass Calibration Dimensional Calibration Pressure Calibration +3 more -
Cal Tec Process Management
The calibration specialists at CTPM have been providing precision calibration and quality assurance since 1987.
Calibration ServicesForce Calibration Torque Calibration Mass Calibration Dimensional Calibration Pressure Calibration +2 more -
Calser Calibrations
Since 1979, Calser Calibrations has delivered trusted, precision calibration services backed by a commitment to quality and reliability.
Calibration ServicesConstruction Materials Testing Equipment Calibration Dimensional Calibration Force Calibration Mass Calibration Pressure Calibration +3 more -
CMG Sales, Inc.
CMG Sales, Inc. is a leading manufacturer sales representative and ISO 17025 accredited calibration laboratory providing services to manufacturers nationwide.
Calibration ServicesCoating Thickness Calibration Color Calibration -
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.
Calibration ServicesCoating Thickness Calibration Color Calibration -
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.
Calibration ServicesElectrical Calibration Force Calibration Torque Calibration Dimensional Calibration Pressure Calibration +2 more -
Holts Precision, Inc.
For over 60 years Holts Precision, Inc. has performed calibrations & repairs on all major brands of gaging equipment.
Calibration ServicesDimensional Calibration Electrical Calibration Force Calibration Mass Calibration Pressure Calibration +2 more -
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.
Calibration ServicesFlow Calibration Force Calibration Torque Calibration Mass Calibration Dimensional Calibration +3 more -
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.
Calibration ServicesFlow Calibration Mass Calibration Dimensional Calibration Pressure Calibration Time Calibration +1 more -
IPM, Inc.
Industrial Process Measurement, Inc. has been in the instrument supply, service and calibration business for over 30 years.
Calibration ServicesDimensional Calibration Electrical Calibration Flow Calibration Force Calibration Humidity Calibration +6 more -
J & J Calibration Service
J&J Calibration Service, an ISO-17025 accredited company, offers unmatched mobile calibration capabilities and laboratory calibration services.
Calibration ServicesDimensional Calibration Electrical Calibration Force Calibration Pressure Calibration Temperature Calibration +1 more -
OCS Technologies
Founded in 1930, OCS Technologies is a trusted multi-discipline calibration service provider as well as leading product distributor.
Calibration ServicesForce Calibration Torque Calibration Mass Calibration Dimensional Calibration Pressure Calibration +3 more -
OnCal
With over 23 years of experience in pipette calibration in the Pacific Northwest, the OnCal Corporation guarantees seamless and dependable metrology services.
Calibration ServicesPipette Calibration -
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.
Calibration ServicesForce Calibration Torque Calibration Dimensional Calibration Pressure Calibration Temperature Calibration +1 more -
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.
Calibration ServicesFlow Calibration Force Calibration Torque Calibration Mass Calibration Dimensional Calibration +4 more -
Quality Control Services
Quality Control Services is an established, accredited calibration services and laboratory equipment company with over 40 years of experience.
Calibration ServicesForce Calibration Mass Calibration Pipette Calibration Temperature Calibration -
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.
Calibration ServicesDimensional Calibration Force Calibration Mass Calibration Pressure Calibration Temperature Calibration +3 more -
Scale Service & Supply
From laboratory balances to truck scales, Scale Service & Supply has been providing precision calibration for weighing systems since 1987.
Calibration ServicesScale Calibration Mass Calibration -
Servo Innovations
Servo Innovations, founded in 2005, has earned industry-wide trust for its accredited calibration, repair, and technical services.
Calibration ServicesFlow Calibration Force Calibration Torque Calibration Dimensional Calibration Pressure Calibration +1 more -
Tescom Calibration Services
Tescom Calibration Services has provided sales, repair, and calibration of telecom test equipment since 1982.
Calibration ServicesFlow Calibration Force Calibration Torque Calibration Mass Calibration Dimensional Calibration +4 more -
Trident Calibration Labs
Serving the greater Phoenix area, Trident Calibration Labs has more than 100 years of combined calibration experience.
Calibration ServicesElectrical Calibration RF & Microwave Calibration Dimensional Calibration Force Calibration Mass Calibration +6 more -
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.
Calibration ServicesElectrical Calibration Dimensional Calibration Force Calibration Pressure Calibration RF & Microwave Calibration +3 more -
Utah Scale Center
Utah Scale Center offers servicing and calibrating of industrial scales across the Rocky Mountain Region, with 70+ years of experience.
Calibration ServicesScale Calibration -
Washington Calibration
Washington Calibration has been providing customers with quality gage repair services for all their inspection measuring instruments for more than 34 years.
Calibration ServicesDimensional Calibration Force Calibration Mass Calibration Pressure Calibration Temperature Calibration +1 more
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Audit-Ready Calibration in 3 Simple Steps
Submit Your Equipment List
Send us a list of the equipment you need calibrated, and we’ll provide a tailored quote with clear pricing—no hidden fees.
Schedule Your Calibration
Choose a convenient time for a mobile or on-site equipment calibration. Our certified technicians ensure precision and compliance with ISO/IEC 17025 standards.
Stay Compliant & Audit-Ready
Receive detailed calibration reports and certification, giving you peace of mind for audits and operational excellence.
Frequently Asked Questions
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What types of instruments are covered under force calibration services?
Force calibration services typically cover a broad range of instruments used to measure tension, compression, or both, including load cells, force gauges, material testing machines, dynamometers, and proving rings. Both portable and fixed instruments can generally be calibrated, either in a lab or on-site depending on the instrument size and application.
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Why is force calibration particularly important in manufacturing and quality control?
Force measurements directly influence decisions about product integrity, assembly specifications, and safety testing. An uncalibrated load cell or testing machine can pass defective components or reject acceptable ones, creating downstream quality failures or safety risks. In regulated industries — including aerospace, automotive, and medical devices — documented force calibration is often a mandatory part of the quality management system.
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What is the difference between a deadweight calibration and a comparison calibration for force instruments?
Deadweight calibration uses precisely known masses applied directly to the instrument to generate known forces — it is considered a primary calibration method typically used in lab settings for high-accuracy applications. Comparison calibration compares the instrument under test to a reference standard such as a calibrated load cell, and is more practical for on-site calibrations or instruments that cannot be easily oriented vertically. The appropriate method depends on the required accuracy and application.
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How should I determine the right calibration interval for my force measurement equipment?
Calibration interval decisions should consider how frequently the instrument is used, the forces it regularly encounters relative to its rated capacity, the environment it operates in, and how critical the measurements are to product quality or safety decisions. Reviewing past calibration records to look for patterns of drift can also help inform whether your current interval is appropriate or should be adjusted.
