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Extenso supply calibration weights to calibrate your industrial weighing equipment.

calibration weights
Kalibreringsvekter som brukes til å kontrollere og kalibrere industrielt veieutstyr. Kalibreringsvekter fra industriell veiing i prosesskontroll produksjon

Calibration Weights

Calibration weights are used for checking and calibrating weighing equipment.

Test weights can be used for proof load or quality tests when a known mass is required.

All our weights can be supplied with optional calibration certificates.

There are many accuracy classes for calibration weights depending on the scales or balances that you want to test or calibrate.

Accuracy classes

The main accuracy classes for weights are as follows:

  • M1 calibration weights are the standard weights for testing and calibrating standard scales.

  • F1 calibration weights are used for testing and calibrating precision electronic balances.

  • E2 calibration weights are used for testing and calibrating analytical balances.

  • Proof Test / Proof Load test weights are for proof-load testing of lifting equipment etc.

Weights are also used for quality tests, force tests for levers any many other applications. 

Iron M3 Calibration Weights 

High quality cast iron M3 standard test weights.

All weights are cast to a high standard, shot blasted, ground and finished with a black paint finish. 

Testing Guideline:
For proof load testing or for calibration of low accuracy scales.

Calibration weights up to 2 kg are the hexagonal shape
Calibration weights of 5 kg and above are bar weights with handle

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