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Calibration is determining the errors in a device relative to a standard, calculating a correction factor, and correcting the errors. Precision weight kit meet the requirements of one of the four classes. Use Class 1 and Class 2 weights as standards for calibration of analytical balances, in the calibration of lesser class weights, and as counterweights with analytical balances.

Use Class 3 and Class 4 weights as working weights and for calibration of general-purpose balances. General-purpose Set Weights are also known as Class F weights. Use Set as counter-weight in general-purpose balances and to calibrate scales to commercial tolerances. Most chrome plated, brass, and cast iron weights are general-purpose weights.


anyload complete test and individual weight set TWSF1 Stainless Steel F1 Grade
Set with Wooden Box, Stainless Steel, F1 Grade and Stainless Steel, F1

Our Price: US$20.00
Market price: US$4100.00 save 100%
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anyload complete test weight set TWSM1 Stainless Steel
• Stainless steel
• M1 accuracy class
• Capacity range of 1g-1kg
• Packaged in a single box

Our Price: US$142.00
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anyload individual test weight TWCM2 Cast Iron
* Cast iron
* Capacities: 5kg, 10kg, 20kg, 25kg, 50kg*
* M2 accuracy class

Our Price: US$112.00
Market price: US$125.00 save 10%
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rice lake grip handle cast iron weights (1lb, 2lb, 5lb, 10lb, 20lb, 25lb, 30lb, 50lb, 100lb)
* NIST Cast Iron Weights
* lb
* Avoirdupois, NIST Class F & ASTM Class 7

Our Price: US$65.00
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