Non-standard calibrated test weights can be manufactured to customer specifications. If unsure of specification or class required, free specialist advice is available. The range of weights required can also be specified and housed in custom-made cases as a set. Weight case prices and accessories are listed on the models and accessories page.

Calibration service available please ask for a price.

All specifications, illustrations and descriptions of products are intended to give a general idea of the products available and are subject to alteration. We reserve the right to substitute an alternative of similar specification at our discretion. We have taken all reasonable steps to ensure the accuracy of product information provided, but we accept no liability for any errors or omissions.

Calibrated Test Weight Prices and Specifications:

Sets can be made up from any combination of weights with case prices on request.

50kg and 20kg weight cases are wood. Other listed case prices are for plastic tube cases. Individual wood case prices available upon request.

Listed prices include certificate of calibration traceable to National Standards. UKAS certification available with UKAS fees on request.

500mg-10mg flat nickel sheet and 5mg-1mg flat aluminium sheet.

For help selecting the correct weights call us or visit our guide on weight selection

Stainless Steel Class F1 Weights
Weight Value	Tolerance +/- mg
1mg	0.020
2mg	0.020
5mg	0.020
10mg	0.025
20mg	0.030
50mg	0.040
100mg	0.050
200mg	0.060
500mg	0.080
1g	0.100
2g	0.120
5g	0.150
10g	0.200
20g	0.250
50g	0.30
100g	0.50
200g	1.00
500g	2.50
1kg	5.00
2kg	10.00
5kg	25.00
10kg	50.00
20kg	100.00
50kg	250.00

Nickel Plated Brass F1 Weights
Weight Value	Tolerance +/- mg
1mg	0.020
2mg	0.020
5mg	0.020
10mg	0.025
20mg	0.030
50mg	0.040
100mg	0.050
200mg	0.060
500mg	0.080
1g	0.100
2g	0.120
5g	0.150
10g	0.200
20g	0.250
50g	0.30
100g	0.50
200g	1.00
500g	2.50
1kg	5.00
2kg	10.00
5kg	25.00
10kg	50.00
20kg	100.00
50kg	250.00

Stainless Steel Class F1 Weights
Weight Value	Tolerance +/- mg
1mg	0.060
2mg	0.060
5mg	0.060
10mg	0.080
20mg	0.100
50mg	0.120
100mg	0.150
200mg	0.200
500mg	0.250
1g	0.300
2g	0.400
5g	0.500
10g	0.600
20g	0.800
50g	1.00
100g	1.50
200g	3.00
500g	7.50
1kg	15.00
2kg	30.00
5kg	75.00
10kg stacking	150.00
10kg	150.00
20kg stacking	300.00
20kg	300.00
50kg stacking	750.00
50kg	750.00

Stainless Class Steel M1 Weights
Weight Value	Tolerance +/- mg
1mg	0.200
2mg	0.200
5mg	0.200
10mg	0.250
20mg	0.300
50mg	0.400
100mg	0.500
200mg	0.600
500mg	0.800
1g	1.000
2g	1.200
5g	1.500
10g	2.000
20g	2.500
50g	3.00
100g	5.00
200g	10.00
500g	25.00
1kg	50.00
2kg	100.00
5kg	250.00
10kg	500.00
10kg stacking	500.00
20kg stacking	1000.00
50kg stacking	2500.00

Brass Class M1 Weights
Weight Value	Tolerance +/- mg
1mg	0.200
2mg	0.200
5mg	0.200
10mg	0.250
20mg	0.300
50mg	0.400
100mg	0.500
200mg	0.600
500mg	0.800
1g	1.000
2g	1.200
5g	1.500
10g	2.000
20g	2.500
50g	3.00
100g	5.00
200g	10.00
500g	25.00
1kg	50.00
2kg	100.00
5kg	250.00
10kg	500.00

Cast Iron Test Weights M1, M2 and Trade Stamped
Weight Value	Trade Stamped Weight Tolerance +/- mg	M1 Weight Tolerance +/- g/mg
*50g iron ring	10mg	3mg
*100g iron ring	30mg	5mg
*200g iron ring	50mg	10mg
*500g iron ring	100mg	25mg
*1kg iron ring	200mg	50mg
*2kg iron ring	400mg	100mg
*5kgg iron ring	800mg	250mg
*10kg iron ring	1.6g	500mg
*20kg iron ring	3.2g	1g

100g Cast Iron hex	30mg	5mg
200g Cast Iron hex	50mg	10mg
500g Cast Iron hex	100mg	25mg
1kg Cast Iron hex	200mg	50mg
2kg Cast Iron hex	400mg	100mg

5kg Cast Iron Bar	800mg	250mg
10kg Cast Iron Bar	1.6g	500mg
20kg Cast Iron Bar	3.2g	1g
25kg Cast Iron Bar	4g	1.25g
*50kg Cast Iron Bar	7.5g	2.5g

*100kg Cast Iron Block	15g	5g
*200kg Cast Iron Block	30g	10g
*250kg Cast Iron Block	37.5g	12.5g
*500kg Cast Iron Block	75g	25g
*1000kg Cast Iron Block	150g	50g

* Cannot be supplied stamped. Weights and Measures fine balancing and certification fees on request.

Calibrated Test Weight Accessories

Weight Set Cases

Case to house 10kg-1mg or 10kg-1g incl fraction weight tray and tweezers

Case to house 5kg-1mg or 5kg-1g incl fraction weight tray and tweezers

Case to house 2kg-1mg or 2kg-1g incl fraction weight tray and tweezers

Case to house 1kg-1mg or 1kg-1g incl fraction weight tray and tweezers

Case to house 500g-1mg or 500kg-1g incl fraction weight tray and tweezers

Case to house 200g-1g

Case to house 200g-1mg incl fraction weight tray and tweezers

Case to house 100g-1g

Case to house 100g-1mg incl fraction weight tray and tweezers

Case to house 5g-1mg incl dust brush and tweezers

Individual Weight Cases

Case to house 20kg weight

Case to house 10kg weight

Case to house 5kg weight

Case to house 2kg weight

Case to house 1kg or 500g weight

Case to house 200g weight

Case to house 100g, 50g, 20g, 10g, 5g, 2g or 1g weight

Accessories

Weight Handle (Carrier) for 20kg weight

Weight Handle (Carrier) for 10kg weight

Weight Fork for 5kg

Weight Fork for 2kg

250mm long s/steel tweezers with rubber tips for 2kg – 500g E1/F1

105mm long s/steel tweezers with rubber tips for 200g – 1mg E1/F!

100mm long plastic tweezers for 200g – 1mg E1/M1

100mm long s/steel tweezers for 200g – 1mg F2/M1

Cotton Gloves

Calibrated Test Weights M1, F2, F1, E2, E1

Calibrated Test Weight Prices and Specifications:

Stainless Steel Class F1 Weights

Nickel Plated Brass F1 Weights

Stainless Steel Class F1 Weights

Stainless Class Steel M1 Weights

Brass Class M1 Weights

Cast Iron Test Weights M1, M2 and Trade Stamped

Calibrated Test Weight Accessories

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