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High-grade stainless steel knob and wire reference weights in class "E0" - with a higher accuracy than OIML class E1 weights - enable calibration of mass standards with the highest metrological performance.
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To produce “E0” weights, METTLER TOLEDO hand-selects the best E1 weights which are then calibrated by an NMI with an uncertainty of 1/5*MPE (E1). These reference weights are delivered with an NMI calibration certificate.
Microgram weights and weight sets (50 µg to 500 µg) are used predominantly for scientific research and calibration. They also support general industrial research in areas where instrument calibration with milligram weights is not sufficiently accurate. Baca lebih lanjut
Handling microgram weights can be a challenge. A specially developed set of tools makes routine use easy and ensures safe and proper handling. It is a simple matter to lift the weights from the magazine and place them on a robotic or manual balance.
A fully developed system with unique, specially designed tools simplifies the whole measuring process and sets a complete new standard for smart handling. This system includes a special handling tool, an acclimatization magazine, a protective aluminum container, and ceramic tweezers.
The selection of test weights depends on the degree of accuracy needed to satisfy your specific process tolerance. Our free GWP® Recommendation service specifies the correct test weights and weight class to use to check the performance of your weighing device. Baca lebih lanjut
How you handle test weights can make a big difference in their accuracy. The poster with 10 practical tips for correct weight handling is a helpful support and reminder for routine balances and scales testing in every lab. Baca lebih lanjut
It is commonly called an E0 class, but in reality it is an E1 weight with a lower uncertainty and a maximum permissible error of 1/5, compared to a standard E1 weight.
No, the calibration of an E0 weight is performed at a national metrology institute, either PTB in Germany or METAS in Switzerland.
We have single weight from 1mg - 50Kg and different weight sets.
Reference weights are used by national metrology institutes to calibrate other weights (for example of their customers).
