Services

RADIAN Calibration Services

RADIAN’s Service Lab provides NIST-traceable calibration services for RADIAN manufactured equipment, backed by full-service repair and maintenance capabilities to help protect your long-term investment.

Calibrations are performed across the entire operating range of the measurement standard, with custom test options available so you can choose exactly which points you want calibrated.

Temperature testing is performed on all upgrades and repairs to verify accuracy across temperature ranges, and extended warranty plus multi-year recertification packages are available. RMA required.

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The WECO 4050X wired up to the RADIAN RX-33 to run testing for RADIAN Calibration Services.

Service Highlights

Purpose-built calibration from the people who built the standard. RADIAN calibrations cover the full operating range, while custom point selection lets you focus on the operating conditions that matter most to your applications.

Tailor your calibration to your program and prove performance across conditions. For customers sending equipment in for upgrade or repair, temperature testing is included to confirm accuracy across temperature ranges—supporting higher confidence in results when conditions vary.

Accredited, Traceable Calibration

RADIAN’s calibration laboratory is accredited to ISO/IEC 17025:2017 and maintains compliance with ANSI/NCSL Z540-1-1994 and ISO 9001:2015. Calibrations are traceable to the SI through NIST, so your results hold up with regulators and auditors.

See our certification and accreditation page for the scope of accreditation and certificates, or view a sample calibration report.

Why it matters: every meter your team tests inherits the accuracy of the standard behind it. Learn more on our Why Accuracy Matters page.

Service What you get
Calibration NIST-traceable calibration across the standard’s full operating range, with a calibration report
Custom test points Additional points you choose, matched to the conditions your program uses
Repair and upgrade Service by the people who built the equipment, with temperature testing to confirm accuracy across temperature ranges
Care Plans Extended warranty and multi-year recalibration and recertification

How to Send Equipment In

  1. Request an RMA. Every calibration and repair needs one. Request an RMA online.
  2. Ship the equipment to RADIAN with the RMA number.
  3. We calibrate it across its full operating range, plus any custom points you ask for. Repairs and upgrades include temperature testing.
  4. It comes back with its calibration report, ready for your records.

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Calibration Services FAQ

Which equipment does RADIAN calibrate?

RADIAN-manufactured equipment, including the RADIAN RD-22, the RX-10, RX-11 and RX-15, the RX-20, RX-21 and RX-23, the RX-30, RX-31 and RX-33 and the RS-933. For other manufacturers' AC energy reference standards, see Non-RADIAN Calibration Services.
The RADIAN RD-22 on a transparent background.
Yes. The lab is accredited to ISO/IEC 17025:2017 and maintains compliance with ANSI/NCSL Z540-1-1994 and ISO 9001:2015. Results are traceable to the SI through NIST. The certification and accreditation page has the scope and certificates.
A young woman using a RADIAN DC reference standard on a WECO 4330X as a part of RADIAN Calibration Services.
Yes. Every calibration covers the full operating range of the standard, and you can add custom test points that match the conditions your program uses most.
The WECO 4050X wired up to the RADIAN RX-33 to run testing for RADIAN Calibration Services.
Set the interval by your quality program and your regulator's requirements. The RADIAN RD-22 accuracy specification is stated for 365 days, a common basis for yearly recalibration. You can set a reminder on our Support page, and Care Plans include multi-year recalibration.
A RADIAN Care Plan superimposed over a slightly transparent care plan.
Request an RMA, ship the equipment with the RMA number, and it returns with its calibration report. See a sample calibration report. For pricing, request a quote.
A RADIAN RW-30 being used on site for a calibration.
The RADIAN RD-22 on a transparent background.
A young woman using a RADIAN DC reference standard on a WECO 4330X as a part of RADIAN Calibration Services.
The WECO 4050X wired up to the RADIAN RX-33 to run testing for RADIAN Calibration Services.
A RADIAN Care Plan superimposed over a slightly transparent care plan.
A RADIAN RW-30 being used on site for a calibration.

Related Resources

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White Paper

Strength in Numbers: Reducing Uncertainty with Three RD-22 Primary Transfer Standards

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White Paper
The RADIAN RD-22 on a transparent background.
09/25/2026

Strength in Numbers: Reducing Uncertainty with Three RD-22 Primary Transfer Standards

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