A2LA-Accredited Calibration Services
Constellation PowerLabs is an ISO 17025 A2LA-accredited calibration partner, recognized by regulated industries nationwide. With over 110 years of experience, a proven audit track record, and a unified lab-wide quality system, we process more than 75,000+ instruments annually across all major metrology subfields.
- Nationwide & International Reach – Serving clients across the U.S. and Canada with multiple strategically located labs.
- Full-Scope Expertise – A2LA-accredited calibrations across dimensional, electrical, high voltage, scales, and more.
- Streamlined Compliance – NIST-traceable calibrations with complete documentation for vendor qualification.
- Industry Focused – Delivering consistent, accurate results for utilities, biotechnology, pharmaceuticals, life sciences, and nuclear sectors.
View Our A2LA Certificates
What Our A2LA Accreditation Calibration Covers
Constellation PowerLabs’ A2LA-accredited calibrations span a wide range of disciplines, enabling us to serve regulated industries with both standard NIST-traceable calibrations and ISO 17025-accredited services. Whether your needs involve highly specialized measurements, complex equipment, or large-volume requirements, we can help.
While we may not be accredited in all disciplines, the same rigorous processes and quality standards are ingrained in every calibration we perform.
Physical & Dimensional Calibrations | Electrical Calibrations | Radiologically Controlled Equipment | Temperature |
|---|---|---|---|
| Dimensional Calibrations – Precision measurement of length, angles, and geometry.
Learn More | Electrical Calibrations – Standard electrical component testing and verification.
Learn More | Calibration services for nuclear industry instruments in radiologically controlled environments.
Learn More | Temperature Calibrations – Accurate measurement across a wide range of temperature measurements.
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| Force Calibrations – Verification of load cells, dynamometers, and force gauges.
Learn More | Primary Calibrations – High-precision reference standards for electrical measurements.
Learn More | Humidity Calibrations – Verification of relative humidity measurement devices.
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| Flow Calibrations – Accurate measurement for air and liquid flow systems.
Learn More | High Voltage Calibrations – Difficult to source accredited high voltage services available in-lab or onsite.
Learn More | Dew Point Calibrations – Precise A2LA-accredited calibration for moisture measurement equipment.
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| Mass, Scales & Weight Calibrations – Certified calibration of weights and balance
Learn More | Light Calibrations – Measurement of light sources and photometric instruments.
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| Optical Calibrations – Alignment and performance checks for optical instruments.
Learn More | Sound Calibrations – Impulse testing and adjustment of acoustic measurement devices.
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| Pressure Gauge Calibrations – Assuring accurate pressure readings for critical systems.
Learn More | RF / Microwave Calibrations – Performance verification for high-frequency equipment.
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| Torque Calibrations – Calibration of torque wrenches and transducers.
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| Vacuum Calibrations – Verification of vacuum gauges across a range of pressures.
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We also provide accredited on-site services through our testing and calibration lab for equipment that is too large or numerous to ship, minimizing downtime while maintaining compliance.
A2LA-accredited calibration
Calibration Certificates at Constellation PowerLabs
Every A2LA-accredited calibration performed by Constellation PowerLabs includes a certificate detailing measurement uncertainty, the method used, and the equipment identification number. All results are NIST-traceable and fully documented in accordance with ISO 17025 requirements, providing transparency and adherence to rigorous quality standards.
Our secure OneLab portal provides convenient access to certificates, which serve as crucial documentation for internal quality assurance, supplier verification, and external audits.
Serving Highly Regulated & Quality-Driven Industries
Organizations in regulated and high-performance sectors trust us to deliver precise, A2LA-accredited calibration services that meet stringent compliance demands. Our expertise, proven track record, and commitment to long-term partnerships make us the preferred choice for a variety of calibration and testing procedures.
Aerospace & Defense
Supporting flight safety, defense readiness, and mission-critical systems with precise, accredited calibration and testing.
Nuclear & Utilities
Upholding critical uptime, safety, and compliance with DOE, FERC, and NRC expectations.
Life Sciences & Pharma
Providing traceable thermometry and accredited calibrations required for FDA-regulated processes.
OEM & Electronics
Verifying accuracy of OEM production machinery to support complex assemblies and specialized instruments
Consistent Quality Across Every Location
At Constellation PowerLabs, quality isn’t an afterthought—it’s ingrained in every process we follow. Our A2LA-accredited calibration services ensure that no matter which of our national laboratories or field teams you work with, you’ll receive the same rigorous standards and meticulous attention to detail.
- Consistency You Can Count On
Standardized procedures, thorough documentation, and strict compliance protocols across every lab location for consistent, dependable outcomes. - Seamless Coordination
A dedicated point of contact manages your projects across multiple sites, simplifying communication and logistics. - One Vendor, One Standard
Whether calibration services are performed on-site or in our labs, you can expect quality, accuracy, and compliance every time.
Streamlined Traceable Calibrations with OneLab
Our secure OneLab portal puts your calibration documentation and project updates at your fingertips, no more last-minute scrambling for PDFs or tracking down paperwork.
- Fast, Digital Access – Instantly retrieve calibration certificates, reports, and records whenever you need them.
- Stay Informed – Receive automated reminders for upcoming calibrations, plus real-time updates on project status, shipping, and delivery.
- All in One Place – Centralized storage for your entire calibration history, making audits and internal reviews stress-free.
Talk to a Calibration Professional About Your Scope & Equipment
Before you onboard a calibration partner, it’s vital to know exactly which services match your equipment and compliance needs. Our team invites you to send your equipment list so we can review it against Constellation PowerLabs’ A2LA-accredited calibration scope, clarifying what is and isn’t covered from the start. You’ll connect directly with your dedicated customer care specialist assuring your procurement, QA, or maintenance team gets precise, technical answers.
We proudly serve clients nationwide and internationally, including the U.S. and Canada, with strong capabilities in key growing regions like Texas, South Carolina, and North Carolina. Wherever your operations are located, our mechanical testing laboratory and A2LA-accredited calibration teams deliver consistent expertise.