Safeguard compliance with periodic checks and tests

Weight comparison test for test weights

Ph.Eur. Chapter 2.1.7 & USP Chapter 41 Performance Check for balances

Legal for trade verification for non-automatic weighing instruments

Certify accuracy to mitigate non-conformity

Our breadth of weighing expertise enables us to deliver a portfolio of tests that best fit your operations and produce comprehensive certification that satisfies regulatory requirements.

Weight comparison test

If you carry out routine checks on your weighing instruments with test weights, you need the confidence that the results are repeatable to mitigate any impact on your processes. A weight comparison test compares your test weights against UKAS standards. This test is suitable for weights that are used in non-critical operations and can be carried out on or off-site.

Features and benefits

  • Verified assessment of test weight accuracy

  • Supports ongoing confidence in measurement results

  • On-demand certification assessable via Asset Management System

Ph.Eur. Chapter 2.1.7 & USP Chapter 41 Performance Check

Suitable for organisations working to European Pharmacopoeia Chapter 2.1.7 and US Pharmacopoeia (USP): Chapter 41 standards, our Performance Check combines both repeatability and sensitivity tests to assess balance precision and accuracy respectively to produce certification that meets regulatory requirements. Tests are performed at your on-site laboratory and can be completed immediately after UKAS calibrations for optimal accuracy and convenience.

Features and benefits

  • Documented assessment of balance precision and accuracy

  • Repeatability tests to gauge random error

  • Sensistivity test to measure systematic errors

  • Same-day certificates sent direct to your inbox1

Northern Balance is authorised by the National Measurement Office (NMO) to verify and reverify a range of Non-Automatic Weighing Instruments (NAWI) when they are being used for the following applications:

  • Determination of mass for commercial transactions
  • Determination of mass for the calculation of a toll, tariff, tax, bonus, penalty, remuneration, indemnity, or similar type of payment
  • Determination of mass for the application of laws or regulations; expert opinion given in court proceedings
  • Determination of mass in the practice of medicine for weighing patients for the purpose of monitoring, diagnosis, and medical treatment
  • Determination of mass for making up medicines on prescription in a pharmacy
  • Determination of mass in analysis carried out in medical and pharmaceutical laboratories
  • Determination of price based on mass for the purposes of direct sales to the public and the making-up of pre-packages.

Features and benefits

  • Verify accuracy of measurement results

  • Remove risk of non-conformity

  • Reverification after repairs, adjustments, or trading standards disqualification

1On request.

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Related resources

Scientist weighing on analytical balance

Understanding and complying with European Pharmacopoeia Chapter 2.1.7: Balances for Analytical Purposes

If your role involves the quality control of medicinal products and your company exports products into the EU, the requirements set out in the European Pharmacopoeia Chapter 2.1.7 (or (Ph.Eur. Chapter 2.1.7) apply and are now in force. We break down the stipulated weighing requirements to help you achieve ongoing compliance. Read more

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