Weighing Results You Can Trust
With Calibration and Routine Testing
The accuracy of weighing devices in laboratories and production can become less reliable over time, substantially affecting a company’s business success. Inconsistent product quality, reputational damage, and financial and legal consequences can all stem from uncalibrated devices and a lack of routine testing.
Calibration of your weighing devices is needed to maintain accuracy and avoid the consequences of inaccurate measurements. Routine testing of balances and scales between calibrations is necessary to maintain reliable results over time.




Calibration of Balances and Scales
Only an onsite calibration in the environment where a balance or scale is used allows you to assess how reliable weighing results are. Our Accuracy Calibration Certificate (ACC) is a state-of-the-art calibration service. It offers various tolerance assessments to analyze your calibration results – giving you concrete results you can use.
Pharmacopoeia Certificates
USP Chapter 41 and Ph. Eur. Chapter 2.1.7. describe the importance not only of calibration but also of including a statement of measurement uncertainty. In combination with the Accuracy Calibration Certificate (ACC), our Pharmacopoeia certificates provide you with the physical evidence of compliance according to these important USP and Ph. Eur. Chapters.


Routine Testing of Balances and Scales
How can you be sure your weighing results remain accurate between calibrations? Proper routine testing performed by the user gives you both peace of mind and the documentation you need.
However, to test your devices properly, test frequency, methods, weights and tolerances need to be defined.
Your Concrete Quality Assurance Plan
Do you know how often your balances and scales need to be calibrated? Are you sure about the details of your routine testing plan?
Based on a risk assessment of your weighing process and performance, our GWP® Verification service provides you with a solid routine testing and calibration action plan.


Learn More
Get Fit-for-Purpose Weighing Results with GWP®
Good Weighing Practice™ can help you ensure consistent quality, reduce costs, and create full compliance in any weighing process. Read more
The Right Test Weights for Your Needs
Find OIML or ASTM test weights ranging from 1 mg up to 5 tons in all accuracy classes with or without certificate to meet your testing needs. Read more
Maximize Uptime and Peace of Mind
Prevent failures and extend equipment lifetime with Preventive Maintenance. Read more
FAQ
1. How can you be sure that your balances and scales are accurate and reliable over time and in between calibrations?
To assess the performance of your balances and scales, an onsite calibration by a Service Technician must be performed.
Between regularly scheduled calibrations, routine testing of balances and scales should be performed by the user. To do so effectively, a routine testing plan must be defined that includes test frequency, methods, weights and tolerances.