New Accuracy Calibration Certificates - METTLER TOLEDO
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See the New Accuracy Calibration Certificates

METTLER TOLEDO is proud to announce the launch of its new suite of calibration certificate, the Accuracy Calibration Certificate (ACC). After June 19, any calibrations you receive may generate a new certificate.

Find the name of your current certificate below to see if it is being updated to a new look and feel. Click on the corresponding certificate name(s) to see a sample of your current certificate(s) and the new certificate(s).

The Accuracy Calibration Certificate was designed to meet global regulatory standards, so we know that it will meet your needs at your next audit. However, if you have any questions or concerns, you can visit our ACC page or request a call with one of our weighing professionals to discuss your audit concerns.
I Need a Call About the ACC

Certificate Examples

Click the links below for samples of the new certificates and the legacy certificates they replace.
Accuracy Calibration Certificate (ACC) + Good Weighing Practice® Annex

The premium new ACC certificate option. Calibrate your weighing process, not just your scales

ACC Accredited 17025 + Handbook 44 Annex

Replaces the ISO17025 Calibration Certificate for industrial scales

Comprehensive Test Report (CTR) + Handbook 44 Annex

Replaces the Calibrate Handbook 44 (for industrial equipment) Certificates

CTR + Manufacturer Annex

Replaces the Balance Calibration Certificate

CTR with Added Test Points

Replaces Balance Calibration Certificate with Inspection Test Record

ACC + Manufacturer Annex

Replaces the Manufacturer Calibration Certificate

ACC Accredited 17025 + Manufacturer Annex

Replaces the ISO17025 Calibration Certificate for laboratory balances and the Calibrate BCCA Certificate

ACC Accredited 17025 + Manufacturer Annex + Moisture Annex

Replaces the Accredited Balance Calibration Certificate for Moisture Analyzers

CTR + Manufacturer Annex + Moisture Annex

Replaces the Balance Calibration Certificate for Moisture Analyzers

ACC + Minimum Weight Annex

Replaces the Measurement Uncertainty Minimum Weight Certificate


If you currently receive one of the following, there will be no automatic change to your certificate:
• Basic Test Confirmation
• Standard Test Report
• Inspection Test Record
• USP General Chapter 41 Certificate
• Vehicle Scale Test Report

Audit concerns? Download the Guide to Understanding Your Certificate


Upgrade Your Calibration with the GWP® Certificate

With the ACC + GWP certificate, you can calibrate your entire weighing process, not just your balance or scale. This certificate links the accuracy of your equipment to your own process tolerances and desired product quality to give you peace of mind, ensure accuracy, and optimize your weighing processes. Avoid waste, rework, and lost profits – upgrade to the Accuracy Calibration Certificate with GWP.
Learn More About ACC+GWP