High Voltage Calibration
REQUEST A QUOTE17025 Accredited Calibration for High-Voltage Testing & High Current-Testing
Constellation PowerLabs offers one of the broadest scopes of high voltage calibration and testing services in the Americas, backed by ISO 17025 accreditation. Our expertise includes high-voltage, high-current, lightning impulse, and partial discharge calibration services that are often difficult to source.
As demand for precision measurement services continues to grow, with the global market projected to reach $7.9 billion by 2030 according to KBV research, organizations rely on Constellation PowerLabs for the technical expertise and capabilities required for critical applications.
| OUR HIGH VOLTAGE TEST CERTIFICATIONS & STANDARDS | OUR HIGH VOLTAGE CALIBRATION SERVICES | OUR HIGH-VOLTAGE TESTING CAPABILITIES |
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Our High Voltage Calibration Services
At Constellation PowerLabs, we offer an extensive range of high-voltage calibration services tailored to your needs. Our services are fully compliant with national and international standards such as ISO 17025, IEEE Standard 4, IEC 60060-2, IEC 60270, ANSI Z540, and 10 CFR 50 / Appendix B, making us the go-to partner for precise and reliable high-voltage testing.
AC & DC Voltage Testing
We provide accurate and compliant AC/DC voltage testing for a wide range of high-voltage equipment.
AC Voltage Testing:
• Up to 1,000 kV RMS & Pk/√2 (50/60 Hz)
• ISO 17025 accredited up to 800 kV
DC Voltage Testing:
• Up to 700 kV
• ISO 17025 accredited for DC up to 450 kV
Common types of equipment we calibrate (but not limited to): Resonance test sets, DC test sets, Capacitors, Dividers, Hipot/Dielectric testers, HV power supplies, Live line indicators, Hot sticks, HV capacitance bridges, Corona test sets, Surge testers & More
High Current 60 Hz and DC Testing
Our high current testing services maintain reliable performance for high-energy systems.
High Current Testing:
• Up to 17,500 amps traceable to NIST standards
• ISO 17025 accredited up to 5,000 amps
Direct Measurement:
• Direct measurement up to 17,500 amps traceable to NIST
• DC current testing up to 10,000 amps
Common types of equipment we calibrate (but not limited to): Current transformers, Impulse current generators, Current cycle test systems, Welders & More
Impulse Voltage Testing
We specialize in precise impulse testing for critical high-voltage components.
Only laboratory accredited in the Americas & ISO 17025 accredited for the following:
• Lightning Impulse (LI) testing up to 2.5 MV
• Switching Impulse (SI) testing up to 2.5 MV
• Chopped Impulse (LIC) testing up to 2.5 MV
Common types of equipment we calibrate (but not limited to): Impulse dividers, impulse systems and more
Tan Delta / High Voltage Capacitance Testing
Our Tan Delta testing services provide accurate dissipation factor and capacitance measurements
• Tan Delta Bridge measurements
• HV Capacitor testing up to 200 kV
• Tan Delta measurement for dissipation factors (DF) as low as 0.0000025
• Testing at 50/60 Hz
Common types of equipment we calibrate (but not limited to): Tan Delta Bridges & More
Motor / Generator Test Systems
We offer comprehensive testing for motor and generator systems for maintaining optimal performance
• Calibration for 60 Hz motor/generator systems
• Calibration capabilities include Variable Frequency Drive (VFD) Systems
Common types of equipment we calibrate (but not limited to): Motor test systems & More
Partial Discharge Calibrator Certification
Our partial discharge calibrator certification guarantees the integrity of high voltage test equipment.
Only laboratory accredited in the Americas for this parameter:
• ISO 17025 is accredited for partial discharge testing up to 10,000 pC
• Specialized testing for high-voltage systems across industries
Common types of equipment we calibrate (but not limited to): Partial discharge detectors, VLF testers, & More
Our High Voltage Testing Capabilities
We offer flexible high-voltage testing options designed to fit your needs. Our team can bring specialized equipment to your facility, and perform onsite high-voltage testing to reduce downtime and keep your operations running smoothly.
Alternatively, if you prefer, you can ship your equipment to one of our laboratories, where we provide ISO 17025-accredited high voltage calibrations. Whether onsite or in-lab, we offer the same level of precision and expertise to make sure your systems are performing at their best.
High-Voltage Testing Laboratories
At Constellation PowerLabs, shipping your equipment to our high-voltage testing laboratories is a streamlined and reliable process. Once your equipment arrives, our team of experts performs ISO 17025-accredited high voltage calibrations, maintaining precision and compliance with industry standards. After calibration and testing are completed, your equipment is safely returned to its original location and fully optimized for peak performance.
Key benefits of our high-voltage testing laboratories include:
- ISO 17025-accredited calibrations performed by experts.
- Advanced and accredited high voltage calibration capabilities for even the most complex systems.
- Advanced technology to maintain the highest standards of accuracy and reliability.
- In-house Logistics Coordinator who manages every aspect of shipping and paperwork, making the process stress-free—even for cross-border clients.
Full-Service Logistics Assistance Across North and South America
We understand that logistics can be a major concern when dealing with high-voltage equipment. That’s why we offer full-service logistics support, making the process simple and smooth, from start to finish. Whether you’re shipping equipment from across the U.S. or internationally, our dedicated Logistics Coordinator will handle everything—from paperwork to customs clearance and transportation—making sure your equipment reaches our lab and returns to your facility without delays or complications.
Our logistics support eliminates the common pain points of dealing with cross-border paperwork or complex shipping arrangements, so you can focus on your operations while we handle all the logistics.
We provide high-voltage testing and calibration services spanning across two key laboratory locations, offering coverage across North and South America
- Mid-Atlantic 227 East Airport Rd, Indiana, PA 15701
- Northeast 175 N Caln Rd, Coatesville, PA 19320
Onsite High Voltage Calibrations
When it comes to high voltage calibration, bringing the service to your facility offers unmatched convenience and efficiency. Instead of shipping your equipment, our expert team arrives to perform on-site calibrations, reducing downtime and keeping your operations uninterrupted.
Here’s what you gain with our onsite services:
- No need for shipping—our team arrives on-site with cutting-edge tools.
- Capabilities include up to 800,000 volts AC, 700,000 volts DC, and 2.5 million volts lightning impulse.
- ISO 17025-accredited calibrations, meeting the highest industry standards right at your facility.
- Seamless integration into your operations with minimal disruption.
Transparency is key to successful partnerships. That’s why we provide clients with access to our OneLab software system, an advanced online portal that makes managing your high voltage calibration projects easier than ever. As a future client, you’ll benefit from real-time updates, detailed insights, and complete visibility into every stage of your testing process.
OneLab provides a centralized, secure platform that gives you control over your equipment’s calibration and testing projects. Whether you need information on a specific part or a complete overview of your current projects, OneLab makes it simple and efficient to stay informed.
With OneLab, you can effortlessly:
| Track Current Testing in Progress | Monitor Shipments | Access Certificates and Reports |
|---|---|---|
| Stay updated on the status of your equipment and view real-time testing progress from anywhere. | Easily track your equipment’s journey to and from our labs, maintaining full visibility. | Instantly download your high voltage calibration certificates and test results to keep your records up to date for audits and compliance. |
Common High Voltage Calibration FAQs
Can you help with the logistics of getting our equipment to your lab, including all the shipping and customs paperwork?
Yes! We offer full logistics support, including handling all shipping and customs paperwork. Our dedicated Logistics Coordinator maintains a smooth process so your equipment reaches our labs and returns to you safely.
What types of equipment can be calibrated/tested at your laboratories?
Our laboratories are equipped to handle a wide range of high-voltage equipment, including high-voltage testing of current transformers, dividers, tan delta bridges, and capacitors, among others. If your equipment isn’t listed, feel free to reach out to our Constellation PowerLabs team for further assistance.
Can we track the status of our equipment while it is being tested?
Yes, you can track the status of your equipment in real time through our OneLab online portal, which provides updates at every stage of the process.
Will we receive a detailed report of the test results?
Absolutely. You’ll receive a comprehensive, detailed report through OneLab, where you can easily access and review all test and calibration results along with certificates.
Why Choose Constellation PowerLabs for Your High Voltage Calibrations?
With over 100 years of experience, Constellation PowerLabs stands out as a leader in high voltage calibration. We are actively involved in high voltage measurement and testing, participating as a member of IEEE and in subcommittees under High-Voltage Testing Techniques (HVTT) that set the standards for high voltage testing and prevent 25% of electrical equipment failures caused by insulation issues.
Here’s why clients trust us:
- North American coverage spans across the U.S. and Canada
- Comprehensive ISO 17025-accredited calibrations
- Dedicated logistics support
- On-Site expertise
- Quick response times
- Real-time project tracking on OneLab
As an A2LA accredited high power test laboratory, we have a proven track record of excellence, with numerous satisfied clients and industry certifications. You can explore our commitment to quality more and hear directly from our customers by visiting our Quality Page and reading our Customer Testimonials.
VIEW OUR CERTIFICATES
Our Partnership Improves Our Accredited High Voltage Calibrations
Constellation PowerLabs has partnered with Phenix Technologies to close a significant gap in the high voltage market. Before this collaboration, ISO 17025-accredited high voltage calibrations for many parameters were either unavailable in the Americas or had to be sourced from Europe. Together, we’re changing that dynamic.
This partnership combines Phenix Technologies’ expertise in high voltage and high current products with our expert metrology and testing capabilities to provide a level of accredited high voltage calibration services. Therefore, it reduces downtime and raises the standard of quality for clients across North and South America.
Get Reliable High Voltage Calibrations Today
At Constellation PowerLabs, we’re committed to delivering high-quality high voltage calibration services that keep your equipment running smoothly. Whether you’re located in Texas, North Carolina, South Carolina, or anywhere across the U.S. and Canada, our expert team is ready to assist with both onsite and in-lab calibration services.
Let us help you minimize downtime, streamline logistics, and make sure your systems are operating at their best.
Frequently Asked Questions About High Voltage Testing Services
Where to find companies specializing in high voltage instrument calibrations?
Finding companies specializing in high-voltage instrument calibrations should have the facilities, equipment, and technical expertise required to perform complex electrical measurements. . Constellation PowerLabs maintains one of the most extensive high voltage scopes of accreditation in the Americas to verify equipment like dividers, impulse, high-pot testers, and more. Having a dedicated coordinator and multiple high voltage labs helps manage these complex technical requests for large-scale utility and nuclear organizations.
Are high voltage calibration contracts available for large enterprises?
Yes, high voltage calibration contracts are available for large enterprises to help manage the recurring maintenance needs of their technical equipment. Constellation PowerLabs offers service agreements that include access to a secure online portal, OneLab, where teams can view their measurement certificates and performance data at any time. Multi-year arrangements like these support long-term planning for facilities that require high-precision results for their safety-critical systems.
What are the primary safety benefits of certified high voltage calibrations?
The primary safety benefits of certified high voltage calibrations include verifying that test equipment and measurement devices provide accurate readings when working with high-energy electrical systems. Accurate calibration reduces the risk of incorrect measurements that could lead to unsafe working conditions, equipment damage, or improper maintenance decisions. Regular calibration at established intervals, whether every 6 months, 12 months, 24 months, or according to application requirements, also supports compliance requirements and helps organizations maintain safe and reliable operation of critical electrical infrastructure.
Why is it important to perform regular high-voltage equipment calibration?
Performing regular high-voltage equipment calibration is important to identify measurement drift that can occur over time due to environmental factors, frequent use, or component aging. For example, periodic hipot tester calibrations help verify that voltage outputs and measurements remain within specified tolerances. Regular calibration helps confirm that test equipment continues to perform as intended for high-voltage applications across the power generation, utility, and industrial sectors.