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25+ Years of Expertise

Minimize Downtime.
Maximize Accuracy.

On-site and in-lab calibration tailored to your needs.

Expertise + Experience
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Years of Expertise

Reliable Calibration for Accurate Measurements
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Instruments

Calibrated for Scientists and Engineers
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Industries

Expertise across aerospace, electrification, medical, metrology, power measurent
GMW Calibration
Trusted by Industry Leaders

The GMW Calibration Advantage

At GMW Calibration, we combine decades of experience with state-of-the-art equipment to achieve unmatched precision in high-current, high power and magnetic field measurement calibration. Our deep technical expertise ensures every reading meets the strictest standards for accuracy and reliability—so your instruments perform flawlessly, every time.

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AC/DC Current Calibration

Highest-Range Current Calibration
—Any Manufacturer

From AC/DC current transducers to high-current measurement systems, GMW calibrates instruments from any manufacturer at ranges up to 11,000 A DC. Our services provide unmatched precision, faster turnaround, and full ISO/IEC 17025 traceability.

Magnetic Field Calibration
Magnetic Field Calibration

Accurate In-House Magnetic Field Calibration

Save time and costs with GMW’s in-house magnetic field calibration services. Our expert team calibrates gaussmeters, probes, and NMR sensors without the need to return equipment overseas—ensuring speed, accuracy, and global compliance.

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On-Site Calibration

Calibration at Your Facility, On Your Schedule

Minimize downtime and shipping logistics. Our engineers bring accredited calibration directly to your site, ensuring your systems meet compliance without interrupting your operations.

Additional services media
Other Services

Additional Services from the GMW Experts

From magnetic mapping, on-site field surveys, equipment repair and verification to technical consulting, GMW’s other services are built around one goal: keeping your measurements precise and dependable. Whatever your challenge, our team delivers the expertise and support to keep your systems performing at their best.

Client Testimonials

Real Feedback from
Our Partners in Precision

Partners

Industry Applications

Precision Calibration Across Industries

From research labs and universities to aerospace, automotive, and power industries, GMW
supports organizations that demand uncompromising measurement accuracy.

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