Test Weights

Stainless steel OIML test weights classes M1, F1 and E2 suitable for checking the accuracy of balances and scales.  These weights are supplied in a durable plastic box, serial number identifed, and a UKAS certificate of calibration

M1 Class OIML Stainless Steel Test Weights (Boxed) with UKAS Certificate  

Purchase online
DenominationPart No.DenominationPart No.
1g7141-NAM1  200g 7148-NAM1
2g7142-NAM1500g7149-NAM1
5g7143-NAM11000g7150-NAM1
10g  7144-NAM12000g7151-NAM1
20g 7145-NAM15000g 7152-NAM1
50g7146-NAM1 10000g 7153-NAM1 
100g 7147-NAM1 
Includes  UKAS certificate. View example certificate

F1 Class OIML Stainless Steel Test Weights (Boxed) with UKAS Certificate   

Purchase online
DenominationPart No.DenominationPart No.
1mg7537-NAF1  50mg 7530-NAF1
2mg7536-NAF1 100mg7529-NAF1
5mg7534-NAF1 200mg7528-NAF1
10mg  7533-NAF1 500mg7526-NAF1
20mg 7532-NAF1
Denomination Part No. Denomination Part No.
1g 7525-NAF1
200g 7516-NAF1
2g 7524-NAF1
500g 7514-NAF1
5g 7522-NAF1
1000g 7513-NAF1
10g 7521-NAF1
2000g 7512-NAF1
20g 7520-NAF1
5000g 7046-NAF1
50g 7518-NAF1
10000g 7047-NAF1
100g 7517-NAF1


Includes UKAS certificate. View example certificate

E2 Class OIML Stainless Steel Test Weights  (Boxed) with UKAS Certificate 

Purchase online
DenominationPart No.
DenominationPart No.
1mg7537-NAE2  50mg 7530-NAE2
2mg7536-NAE2 100mg7529-NAE2
5mg7534-NAE2 200mg7528-NAE2
10mg  7533-NAE2 500mg7526-NAE2
20mg 7532-NAE2
DenominationPart No.DenominationPart No.
1g7525-NAE220g 7520-NAE2
2g7524-NAE250g7518-NAE2
5g7522-NAE2100g7517-NAE2
10g  7521-NAE2200g7516-NAE2
Includes UKAS certificate. View example certificate