Laboratory balances, from economy to expensive analytical models, require routine calibration and accuracy confirmation. Accuris™ offers a selection of individual weights and sets that meet the standards for a variety of balance types.
We offer a variety of Class E2, F1, and M1 class weights, individually and in sets. All individual weights are supplied in protective, screw capped plastic containers, and weight sets are supplied in protective carrying cases.

Precision, compact, and portable balances (readability 0.1 to 0.001g) can be calibrated with our Basic Class F1 Calibration Set. Included in the set are 23 stainless steel cylindrical and leaf weights: 2 x 200g, 1 x 100g, 1 x 50g, 2 x 20g, 1 x 10g, 1 x 5g, 2 x 2g, 1 x 1g, 1 x 500mg, 2 x 200mg, 1 x 100mg, 1 x 50mg, 2 x 20mg, 1 x 10mg, 1 x 5mg, 2 x 2mg, 1 x 1mg. Cylindrical weights are marked with their nominal value. All are supplied in a protective case along with tweezers, a cleaning cloth and dust brush.
W1100-200 Class F1 Weight Set
Our Premium Class E2 Weight Set is ideal for calibration of analytical balances with a 0.0001g readability. Precision manufactured from high purity, 316 stainless steel (7.96kg/dm³), these weights are corrosion resistant with magnetic susceptibility <0.005. The set includes 6 weights, 1x100mg, 1x10g, 2x20g, 1x50g, 1x100g, for checking repeatability, cornerload, linearity and span. The weights are supplied in a protective case with tweezers, a cleaning cloth and a certificate of verification.
W1101-6-100 Class E2 Weight Set
Basic, compact balances with readability in the range of 0.1g to 0.01g can be calibrated with M1 Class weights.
M1 Calibration Weight Set includes 12 pieces: 1 x 1g, 2x2g, 1x5g, 1x10g, 2x20g, 1x50g, 1x100g, 2x200g, 1x500g. A protective carrying case is included.
W1105-12-500 Class M1 Weight Set
M1 Calibration Weight Set includes 13 pieces: 1 x 1g, 2x2g, 1x5g, 1x10g, 2x20g, 1x50g, 1x100g, 2x200g, 1x500g and 1x1Kg. A protective carrying case is included.
M1 Calibration Weight Set includes 22 pieces: 1x0.001g, 2x0.002g, 1x0.005, 1x0.01g, 2x0.02g, 1x0.05g, 2x0.2g, 1x0.1g, 1x0.5g, 1 x 1g, 2x2g, 1x5g, 1x10g, 2x20g, 1x50g, 1x100g, 1x200g. A protective carrying case is included.
M1 Calibration Weight Set includes 21 pieces: 1x0.001g, 2x0.002g, 1x0.005, 1x0.01g, 2x0.02g, 1x0.05g, 2x0.2g, 1x0.1g, 1x0.5g, 1 x 1g, 2x2g, 1x5g, 1x10g, 2x20g, 1x50g, 1x100g. A protective carrying case is included.
W1105-13-1000 Class M1 Weight Set


All individual weights are supplied in protective, screw capped plastic containers. We offer both F1 and M1 class individual weights.
Each individual weight and weight set from Accuris is supplied with an individual Certificate of Verification confirming that the weight(s) meet OIML regulations and tolerances for the specific weight class.