For continuing Scale and Weighing Accuracy, ISO 9000, Customer Compliance, Trading Standards and your own Internal Audit and Due Diligence procedures. Periodic & regular Calibration of all weighing equipment is essential.

Aja engineers check and record the  accuracy of your scales/balance then re-calibrate to manufacturers, OIML and Trading Standards tolerances.

Aja test weights are fully certified, OIML Class M1, traceable to National Standards.

We calibrate to OIML (INTERNATIONAL ORGANISATION OF LEGAL METROLOGY) standards using test weights verified annually by a UKAS accredited body & traceable back to National Standards.

A fully certified calibration certificate is issued after each annual or bi annual calibration visits. Calibration of scales is carried out using OIML certified test weights, traceable back to National Standards.