“Precision in mass and force.”

M3 weights

M3 is the coarsest OIML class, for simple industrial applications and proof loads. MASSLAB calibrates M3 weights in its own laboratory.

Filters

Type

Block weights (2) Weight sets (1) Knob and cylindrical weights (4)

Material

Cast iron, painted (6) Stainless steel, fine-turned (1)

Which class do you need?

Read our explanation of tolerances per OIML class, or call us for advice.

+31 345 786 553

7 of 7 products

M3 KERN

M3 knob shape 1 g – 2 kg, Stainless steel, fine-turned (KERN 367)

Single weights in class M3, knob shape, stainless steel, fine-turned, from 1 g to 2 kg.

M3 cylindrical 100 g – 200 g, Cast iron, painted (KERN 366)

Single weights in class M3, cylindrical, cast iron, painted, from 100 g to 200 g.

M3 knob shape 500 g – 10 kg, Cast iron, painted (KERN 366)

Single weights in class M3, knob shape, cast iron, painted, from 500 g to 10 kg.

M3 ECO block weight 5 kg – 50 kg, Cast iron, painted (KERN 366)

Single weights in class M3, ECO block weight, cast iron, painted, from 5 kg to 50 kg.

M3 block weight 5 kg – 50 kg, Cast iron, painted (KERN 366)

Single weights in class M3, block weight, cast iron, painted, from 5 kg to 50 kg.

M3 knob shape 1 g – 5 kg, Cast iron, painted (KERN 362)

Single weights in class M3, knob shape, cast iron, painted, from 1 g to 5 kg.

Weight set M3 1 g – 10 kg, knob shape, Cast iron, painted (KERN 362)

Weight set in class M3, 1 g – 10 kg, in 1 version, with case.

Available M3 weights

Our range of M3 weights runs from 1 g to 50 kg, made in gietijzer. For each product the table shows the nominal values, the tolerance according to OIML R111, the delivery time and the price excl. VAT.

Weight sets Knob and cylindrical weights Block weights KERN weights

Class M3 tolerances according to OIML R111

Maximum permissible error (±) per nominal value, next to the adjacent classes.

Nominal value	M2	M3
1 g	3 mg	10 mg
10 g	6 mg	20 mg
100 g	16 mg	50 mg
1 kg	160 mg	500 mg
5 kg	800 mg	2,5 g
10 kg	1,6 g	5 g
20 kg	3 g	10 g
50 kg	8 g	25 g
500 kg	80 g	250 g
1.000 kg	160 g	500 g

Source: OIML R111-1. All nominal values and classes are listed in the full tolerance table.

Weights with a certificate from our laboratory

Weights in classes F1 to M3 are available with a traceable calibration certificate from our own laboratory. We also carry out periodic recalibration in-house.

Weight calibration All weights

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