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FAQ

Can you make equipment recommendations?

Can you make equipment recommendations?

With our wide level of expertise, we are in a prime position to recommend Test Equipment to fit your needs.

Can you perform emergency calibrations?

Can you perform emergency calibrations?

With the experience that comes with being the largest nuclear utility in the USA, emergency calibrations is a core component of what we do.

Do you only perform calibrations?

Do you only perform calibrations?

No, we also provide engineering services.

Do you provide calibration traceability?

Do you provide calibration traceability?

Yes. We provide calibration traceability to NIST.

Do you provide on-site calibration services?

Do you provide on-site calibration services?

Yes, we can provide on-site calibration services for just about every industry throughout the U.S.

How can I get help with OneLab?

How can I get help with OneLab?

Please send a Help Request form to our IT department and someone from our team will assist you.

How do I know you provide accurate calibrations?

How do I know you provide accurate calibrations?

All calibrations are performed by trained and qualified technicians using calibration standards that meet at least a 4 to 1 Test Accuracy Ratio (TAR).

How do I request a quote?

How do I request a quote for your services?

The best way is to fill out our Request a Quote form and include information about the equipment you'd like us to quote.

How do you calibrate large equipment that cannot be shipped?

How do you calibrate large equipment that cannot be shipped?

Generally, when you need to calibrate large equipment that is either too expensive or bulky to ship, we can send technicians to your facility to perform on-site calibrations.

How is a calibration cycle determined?

How is a calibration cycle determined?

The manufacturer generally recommends the calibration cycle. We use this as the base calibration cycle for most units. However, we may adjust it based on historical performance. It may also be adjusted based on the actual use of the device. Ultimately, it is up to you to determine the best calibration cycle to meet your quality and/or regulatory requirements.

Is the quality of ISO 17025 accreditation the same for all labs?

Is the quality of ISO 17025 accreditation the same for all labs?

ISO 17025 is an international standard that many different accrediting bodies or assessors use to accredit laboratories. To verify the quality of ISO 17025 Accreditation for any lab, It is critical you review their work beforehand to determine if it meets the needs of your quality program.

What is a Test Accuracy Ratio (TAR) or Test Uncertainty Ratio (TUR), and why is it important?

What is a Test Accuracy Ratio (TAR) or Test Uncertainty Ratio (TUR), and why is it important?

A Test Ratio is the ratio of the Unit Under Test (UUT) as compared to the Standard (STD). This can either be represented in Accuracy with a TAR or Uncertainty with a TUR. This is important as it ensures that the UUT was verified with a STD that was more accurate or has less uncertainty than the UUT. Unfortunately, ISO 17025 does not require a test ratio to be listed. Therefore, an accredited calibration may only list an uncertainty for a particular measurement and that specific uncertainty may exceed your requirements. It's advised to always request the test ratio on your certificate of calibration.

What is an Appendix B program?

What is an Appendix B program?

An Appendix B program satisfies the requirements of 10 CFR Appendix B to Part 50 for the Nuclear Power Industry. In short, it's the regulatory requirements a supplier to the nuclear power industry has to meet.

What is guardbanding?

What is guardbanding?

Guardbanding is a technique to protect against pass or fail decisions and performing adjustments. A guardband is placed around each specification limit with a width equal to some fraction of the actual measurement uncertainty.

What is ISO 17025?

What is ISO 17025?

ISO 17025 is an international standard used to validate the technical competence of laboratories. We are A2LA Accredited to ISO 17025.

What is metrology and why is it important?

What is metrology and why is it important?

Metrology is simply the science of weights and measurements with a determination of conformance to specific technical requirements and the development of standards. There are inherent risks when the measurement parameters of an instrument are inaccurate, and even the most advanced digital instruments are susceptible to drifting over time. Calibrating your equipment is about increasing the confidence in the data you are able to obtain. Though, there are many factors that contribute to the integrity of a measurement, such as environmental and atmospheric conditions.

What is the turnaround for calibrations?

What is the turnaround for calibrations?

The turnaround for calibrations is dependent on the type of equipment and can vary widely. Smaller, less complex instruments are typically sent back to you in 5 days or less. Specifics about your equipment should be discussed with our Customer Service Department. We track every piece of equipment that is received for calibration and follow a first-in first-out process, unless you request an expedite.

What laboratory qualifications do you have?

What laboratory qualifications do you have?

We hold several laboratory qualifications. We are ISO 17025 Accredited by A2LA, ISO 9001 Certified, and meet the requirements of 10 CFR 50 Appendix B, 10 CFR 21, NQA-1 and ANSI N45.2 to provide services to the nuclear power industry.

Who can I contact if I have an invoice concern?

Who can I contact if I have an invoice concern?

Please contact the our Accounting Team at ar@exelonpowerlabs.com with any invoice issues or concerns.

Why is A2LA Accreditation important?

Why is A2LA Accreditation important?

Having A2LA Accreditation means our technical competence as a laboratory has been independently validated by an accrediting body. A2LA Accreditation is universally accepted across many industries and even other countries. The validation criteria used by A2LA is generally accepted by other national laboratories, accrediting bodies, and regulatory assessors.

Why should I calibrate equipment?

Why should I calibrate equipment?

There are many reasons you should calibrate equipment. Whether you need to comply with a specific regulation or function of a quality system, or simply want to ensure your test equipment is reading within the parameters to which it was designed to work. In general, calibrations are intended to provide the guaranteed accuracies and uncertainties listed from the manufacturer, but can also be specific acceptance criteria defined by your individual process.


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