ISO 17025:2017 Accredited Calibration Certificate

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Scales Plus

$216.00

Part #:: ACRED-C
UPC:
Availability:: Calibration completed in 3-7 business days.

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Buying a new scale with an ISO-accredited certificate at the time of purchase is a cost-effective way to achieve quality compliance, reduce downtime, and avoid losses. Beyond documentation management, calibrating instruments ensures they are working properly and meet the manufacturer's specifications. In the rare instance there is an issue with the scale, our team will make the necessary correction before it ships to you. Your new scale will arrive with an ISO-accredited calibration certificate in the box. Our calibration service helps you maintain quality system compliance and record-keeping the moment you receive your new instrument!

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5
Verified Review

Posted by james lusk on May 29th 2025

was fast and received quickly with great customer service
5
Verified Review

Posted by DH on Apr 15th 2025

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Frequently Asked Questions

What is scale calibration?

The accuracy of a weighing scale can slip with time, often as a result of impacts, overloading, and even consistent use. Calibrating a scale is the act of verifying and adjusting its accuracy using test standards of a known, documented weight. This ensures the scale is performing as it should and is accurate to the manufacturer's stated specifications.

Why is calibrating a scale important?

A scale or balance that is properly calibrated will produce the most accurate and repeatable results. This is especially important in commercial and research applications, where even the smallest weighing errors can result in lost time, productivity, and profits.

Are your ISO certificates traceable?

Yes. Our ISO-accredited certificates are NIST-traceable.

What is included on your ISO-accredited certificates?

Scales are tested with 3 to 5 weight drops across the capacity range of the device. Where applicable, a shift test will also be performed. These weight drops and as-found/as-left data are included on the certificate. Unless otherwise specified, the standard tolerances are as follows:

Closest category from Handbook 44 with minimums (scales with 10,000 divisions or less, minimum 2 divisions of tolerance. High-resolution scales/balances with more than 10,000 divisions, minimum 5 divisions of tolerance.)

Additional data on the certificate includes brand, model and serial number of the device, temperature and humidity, traceable weight set used, uncertainty statement and our ISO 17025:2017 accreditation.

Unless otherwise specified, the calibration interval will be set at 1 year.

Is Scales Plus accredited?

Scales Plus is ISO/IEC 17025:2017 accredited through A2LA (American Association for Laboratory Accreditation). You can view our certificate and scope here.

What is the uncertainty?

Estimated expanded uncertainty will be expressed at approximately the 95% confidence level, usually using a coverage factor of k=2. Unless otherwise specified, the decision rule is simple acceptance.

Pass: Error is within or equal to the tolerance limit.

Fail: Error is outside the tolerance limit.

Results are raw data and are not compensated for uncertainty. Typical factors included in the reported measurement uncertainty are repeatability of the device estimated from the resolution of the device, tolerance and stability of the test weights used for the calibration, rounding from the resolution of the device, repeatability and reproducibility of calibration technicians, and, where applicable, environmental factors will be included.

Are your calibration certificates the same as an NTEP certification?

No. Purchasing our NIST-traceable calibration report for your new NTEP scale does not meet the requirements of most state Weights and Measures Departments. They typically require NTEP (legal-for-trade) scales to be placed into service by a licensed agent of the state, whether it be a state representative or a licensed third-party agency. Calibration must be performed at the location the scale is being placed into service. Our calibration service would be a secondary check of the scale as a verification that the scale is in good working order before you call to have the scale placed into service. Learn more about NTEP certified scales.

Will you calibrate a scale I currently own?

Yes! Customers from all over the country ship their scales and balances to us for preventative maintenance and calibration. Once our technicians have completed the calibration process, your scale is sent back to you with a traceable calibration report that includes as-found and as-left data and critical details about the instrument and calibration process.