SmartButton – Three-Point Temperature Calibration (NIST-Traceable)

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The SmartButton Three-Point Temperature Calibration service provides a documented comparison of SmartButton temperature measurements against NIST-traceable reference standards at three defined temperature points: 0 °C, 25 °C, and 60 °C.

Calibration is defined as the comparison of an instrument’s output to a known reference standard. This service establishes the SmartButton’s measurement performance at the specified temperature points and documents any observed measurement error. No adjustment is performed as part of this calibration, and adjustment is not possible on SmartButton devices.

This calibration service is suitable for applications requiring documented temperature calibration for quality records, internal verification, audits, or regulated environments such as food storage, pharmaceutical handling, environmental monitoring, and research.

All calibrations are performed using reference standards that are calibrated and traceable to the U.S. National Institute of Standards and Technology (NIST). Calibration activities are conducted in accordance with ACR Systems’ ISO 9001:2015–registered quality management system.

A calibration certificate is issued for each SmartButton calibrated and includes the measured results at the specified temperature points. Calibration records are maintained by ACR Systems and can be made available to support customer audits where required.

Important Notes

Calibration is performed per SmartButton unit
Temperature points are fixed at 0 °C, 25 °C, and 60 °C
No adjustment is performed or possible on SmartButton devices
Calibration documents measurement performance; it does not alter device behavior
If alternate temperature points are required, please contact ACR prior to ordering

Software

ACR software tools are intuitive and flexible, allowing you to easily configure ACR data loggers to collect the data you need. Once downloaded, your data is displayed in presentation-quality graphs and can be converted into popular formats for use with spreadsheet programs, document editors, and other third-party applications.

Q&A

What is included in the SmartButton three-point temperature calibration?

This service provides a documented comparison of SmartButton temperature measurements against NIST-traceable reference standards at 0 °C, 25 °C, and 50 °C. A calibration certificate reporting the measured results at each temperature point is provided.

Does this calibration adjust the SmartButton?

No. No adjustment is performed or possible on SmartButton devices. Calibration establishes and documents measurement performance; it does not alter the device.

Is this a real calibration or just a verification?

This is a full temperature calibration, defined as comparison against a known reference standard with documented results. The term “verification” is not used, as it can be ambiguous. Calibration results are reported on a certificate.

Why were 0 °C, 25 °C, and 50 °C selected?

These temperature points span the most common SmartButton use cases, including cold storage, ambient conditions, and elevated temperature monitoring. Together, they provide meaningful confirmation of performance across a typical operating range.

Is the calibration traceable to NIST?

Yes. All reference standards used for this calibration are calibrated and traceable to the U.S. National Institute of Standards and Technology (NIST).

How many calibration certificates are provided?

One calibration certificate is issued per SmartButton unit calibrated.

When should I order this calibration?

Calibration should be ordered at the time of purchase or arranged in advance. This ensures calibration can be performed before shipment and documented correctly.

Is calibration required for all SmartButton applications?

Not necessarily. Many applications rely on the SmartButton’s published accuracy specifications. Calibration is typically requested for regulated environments, quality systems, audits, or where documented measurement performance is required.

Can I request different calibration temperature points?

The standard three-point calibration uses 0 °C, 25 °C, and 50 °C. If alternate temperature points are required, please contact ACR Systems prior to ordering to discuss availability.

How is this different from a Certificate of Conformance?

A Certificate of Conformance confirms that the product meets published specifications.

A calibration certificate reports measured temperature performance against reference standards. These serve different purposes and are ordered separately.

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