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Calibration Weights

Calibration weights are required in labs as they help ensure that lab balances are giving you accurate readings. However, they are not all made the same. Calibration weights are assigned a class which is based on the accuracy or tolerance of the weight. There are different sets of classes of weights, including ASTM, OIML, and NIST. In addition, there are certifications granted to different weights.

  • Calibration Weight, Cast Iron, 1lb, Slotted (Part#: 12842)

    Rice Lake
    $59.00

    Class: 7 Finish: Painted Weight Style: Slotted Nominal Mass: 1 lb Overall Length: 5.0 in Number of Pieces: 1 Material: Cast iron Calibrati...

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    $59.00

  • Calibration Weight, 5 lb., Painted (Part#: 12823)

    Rice Lake
    $58.00

    Overall Height: 3.0 in Compliance: ASTM Calibration Weight Class: 7 Measurement Type: Avoirdupois Overall Width: 2.56 in Class: 7 Nominal M...

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    $58.00

  • Calibration Weight, 5 lb., Painted (Part#: 12823)

    Rice Lake
    $58.00

    Material: Cast iron Finish: Painted Overall Width: 2.56 in Item: Calibration Weight Calibration Tolerance: 760 mg Calibration Weight Complia...

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    $58.00

  • Calibration Weight, 2 lb., Painted (Part#: 12874)

    Rice Lake
    $55.00

    Calibration Weight Material: Cast Iron Class: 7 Calibration Certificate: Traceable - Accredited Calibration Tolerance: 430 mg Calibration Wei...

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    $55.00

  • Calibration Weight, SS, 200g, Cylinder (Part#:12509)

    Rice Lake
    $54.00

    Calibration Tolerance: 40.00 mg Compliance: NIST Calibration Weight Style: Cylinder Item - Calibration Weights: Calibration Weight Calibratio...

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    $54.00

  • Calibration Weight, SS, 200g, Cylinder (Part#: 12509)

    Rice Lake
    $54.00

    Overall Height: 1.629 in Calibration Certificate: Accredited Compliance: NIST Item: Calibration Weight Weight Style: Cylinder Calibration We...

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    $54.00

  • Calibration Weight, 500 x 2.5 lb., Painted (Part#: 10170)

    Rice Lake
    $53.00

    Calibration Weight Class: 7 Compliance: ASTM Item: Calibration Weight Weight Style: Slotted Overall Length: 3.5 in Material: Cast iron Cali...

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    $53.00

  • Calibration Weight, 1 lb., Painted (Part#: 12876)

    Rice Lake
    $50.00

    Measurement Type: Avoirdupois Number of Pieces: 1 Item: Calibration Weight Overall Height: 1.19 in Material: Cast iron Class: 7 Overall Wid...

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    $50.00

  • Calibration Weight, 1 lb., Painted (Part#: 12876)

    Rice Lake
    $50.00

    Item - Calibration Weights: Calibration Weight Measurement Type: Avoirdupois Overall Length: 2.5 in Calibration Weight Compliance Agency: ASTM...

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    $50.00

  • Calibration Weight, 8 oz., Stainless Steel (Part#:12900)

    Rice Lake
    $48.00

    Overall Length: 0.125 in Item: Calibration Weight Calibration Tolerance: 23.0 mg Number of Pieces: 1 Weight Style: Hook Measurement Type: Av...

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    $48.00

  • Calibration Weight, 200 x 1 lb., Painted (Part#: 10168)

    Rice Lake
    $47.00

    Calibration Weight Compliance Agency: ASTM Calibration Tolerance: 270 mg Calibration Weight Material: Cast Iron Compliance: ASTM Item - Calib...

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    $47.00

  • Calibration Weight, Cast Iron, 0.5lb, Slott (Part#:12837)

    Rice Lake
    $46.00

    Item: Calibration Weight Compliance: ASTM Calibration Weight Material: Cast Iron Finish: Painted Nominal Mass: 0.5 lb Calibration Certificat...

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    $46.00

  • Calibration Weight, Cast Iron, 0.5lb, Slott (Part#:12837)

    Rice Lake
    $46.00

    Overall Height: 0.42 in Calibration Weight Material: Cast Iron Measurement Type: Avoirdupois Nominal Mass: 0.5 lb Compliance: ASTM Calibrati...

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    $46.00

  • Calibration Weight, SS, 100g, Cylinder (Part#:12507)

    Rice Lake
    $45.00

    Calibration Weight Style: Cylinder Calibration Certificate: Accredited Calibration Weight Material: 303 Stainless Steel Weight Style: Cylinder...

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    $45.00

  • Calibration Weight, Cast Iron, 1lb, Slotted (Part#: 12842)

    Rice Lake
    $44.00

    Overall Length: 5.0 in Item - Calibration Weights: Calibration Weight Weight Style: Slotted Finish: Painted Material: Cast iron Calibration ...

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    $44.00

  • Calibration Weight, 1mg, Polished (Part#: 80481)

    Rice Lake
    $43.00

    Measurement Type: Metric Nominal Mass: 1 mg Overall Height: 0.015 in Calibration Certificate: Certificate of Accuracy Calibration Weight Mate...

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    $43.00

  • Calibration Weight Kit, SS, 20mg, Leaf (Part#: 80476)

    Rice Lake
    $43.00

    Finish: polished Overall Height: 0.058 in Nominal Mass: 20 mg Calibration Weight Compliance Agency: ASTM Weight Style: Leaf Calibration Weig...

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    $43.00

  • Calibration Weight Kit, SS, 2mg, Leaf (Part#: 80480)

    Rice Lake
    $43.00

    Calibration Weight Compliance Agency: ASTM Calibration Certificate: Certificate of Accuracy Item: Calibration Weight Kit Weight Style: Leaf C...

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    $43.00

  • Calibration Weight Set, 1mg, Polished (Part#: 80481)

    Rice Lake
    $43.00

    Weight Style: Leaf Calibration Weight Compliance Agency: ASTM Nominal Mass: 1 mg Compliance: ASTM Measurement Type: Metric Calibration Certi...

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    $43.00

  • Calibration Weight Set, 20mg, Polished (Part#: 80476)

    Rice Lake
    $43.00

    Overall Height: 0.058 in Calibration Tolerance: 0.014 mg Weight Style: Leaf Finish: polished Calibration Weight Material: Stainless Steel Cl...

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    $43.00

  • Calibration Weight Set, 5mg, Polished (Part#: 80478)

    Rice Lake
    $43.00

    Item: Calibration Weight Finish: polished Overall Height: 0.065 in Overall Width: 0.134 in Calibration Weight Material: Stainless Steel Cali...

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    $43.00

  • Calibration Weight Set, 50mg, Polished (Part#: 80474)

    Rice Lake
    $43.00

    Nominal Mass: 50 mg Item - Calibration Weights: Calibration Weight Calibration Weight Class: 2 Overall Width: 0.105 in Finish: polished Mate...

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    $43.00

  • Calibration Weight Kit, SS, 2mg, Leaf (Part#: 80480)

    Rice Lake
    $43.00

    Calibration Weight Material: Stainless Steel Finish: polished Overall Width: 0.088 in Measurement Type: Metric Calibration Weight Compliance ...

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    $43.00

  • Calibration Weight Set, 200mg, Polished (Part#: 80472)

    Rice Lake
    $43.00

    Compliance: ASTM Calibration Weight Style: Leaf Overall Length: 0.255 in Includes: Vial Material: Stainless Steel Nominal Mass: 200 mg Over...

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    $43.00

  • Calibration Weight Set, 500mg, Polished (Part#: 80470)

    Rice Lake
    $43.00

    Measurement Type: Metric Overall Width: 0.382 in Number of Pieces: 1 Finish: polished Calibration Tolerance: 0.025 mg Overall Height: 0.145 ...

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    $43.00

  • Calibration Weight, 500 x 5 lb., Painted (Part#: 10160)

    Rice Lake
    $42.00

    Calibration Weight Compliance Agency: ASTM Weight Style: Slotted Calibration Certificate: No Certificate Calibration Weight Class: 7 Overall ...

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    $42.00

  • Calibration Weight, 100 x 1 lb., Painted (Part#: 10156)

    Rice Lake
    $42.00

    Calibration Weight Compliance Agency: ASTM Material: Cast iron Calibration Weight Style: Slotted Calibration Weight Class: 7 Compliance: ASTM...

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    $42.00

  • Calibration Weight Set, 10mg, Polished (Part#: 80477)

    Rice Lake
    $42.00

    Class: 2 Finish: polished Item - Calibration Weights: Calibration Weight Calibration Weight Class: 2 Overall Length: 0.212 in Calibration We...

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    $42.00

  • Calibration Weight, SS, 50g, Cylinder (Part#: 12527)

    Rice Lake
    $41.00

    Calibration Weight Class: 5 Weight Style: Cylinder Nominal Mass: 50 g Calibration Tolerance: 10.0 mg Calibration Certificate: No Certificate ...

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    $41.00

  • Calibration Weight, 50g Nominal Mass (Part#: 12527)

    Rice Lake
    $41.00

    Item - Calibration Weights: Calibration Weight Calibration Certificate: Accredited Calibration Weight Style: Cylinder Item: Calibration Weight...

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    $41.00

  • Calibration Weight, SS, 20g, Cylinder (Part#: 12523)

    Rice Lake
    $38.00

    Calibration Tolerance: 4.00 mg Weight Style: Cylinder Calibration Weight Material: 303 Stainless Steel Overall Height: 0.615" Calibration Cer...

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    $38.00

  • Calibration Weight, SS, 10g, Cylinder (Part#: 12505)

    Rice Lake
    $38.00

    Overall Height: 0.592" Item - Calibration Weights: Calibration Weight Nominal Mass: 10 g Calibration Weight Class: 5 Calibration Weight Mater...

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    $38.00

  • Calibration Weight, 5g Nominal Mass (Part#: 12643)

    Rice Lake
    $38.00

    Calibration Weight Material: 303 Stainless Steel Calibration Weight Class: 5 Item: Calibration Weight Calibration Weight Style: Cylinder Cali...

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    $38.00

  • Calibration Weight, 200 x 2 lb., Painted (Part#:10158)

    Rice Lake
    $37.00

    Material: Cast iron Overall Length: 4.06 in Measurement Type: Avoirdupois Class: 7 Calibration Weight Style: Slotted Weight Style: Slotted ...

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    $37.00

  • Calibration Weight, 50 x 0.5 lb., Painted (Part#: 10154)

    Rice Lake
    $37.00

    Calibration Weight Class: 7 Calibration Weight Style: Slotted Weight Style: Slotted Item: Calibration Weight Class: 7 Calibration Weight Com...

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    $37.00

  • Calibration Weight, 100 x 0.5 lb., Painted (Part#: 10152)

    Rice Lake
    $37.00

    Weight Style: Slotted Overall Height: 0.547 in Calibration Weight Class: 7 Number of Pieces: 1 Calibration Weight Material: Cast Iron Finish...

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    $37.00

  • Calibration Weight, 300 x 1.5 lb., Painted (Part#: 10189)

    Rice Lake
    $37.00

    Item: Calibration Weight Overall Height: 1.0 in Weight Style: Slotted Calibration Weight Compliance Agency: ASTM Calibration Weight Style: Sl...

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    $37.00

  • Calibration Weight, SS, 1g, Cylinder (Part#:12499)

    Rice Lake
    $33.00

    Compliance: NIST Calibration Certificate: No Certificate Weight Style: Cylinder Class: F Calibration Weight Style: Cylinder Finish: Satin C...

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    $33.00

  • Calibration Weight, SS, 5g, Cylinder (Part#: 12503)

    Rice Lake
    $33.00

    Overall Length: 0.36 in Class: F Material: Stainless Steel Calibration Weight Compliance Agency: ASTM Finish: Satin Overall Height: 0.406 in...

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    $33.00

  • Calibration Weight, SS, 2g, Cylinder (Part#:12501)

    Rice Lake
    $33.00

    Calibration Weight Compliance Agency: ASTM Calibration Certificate: No Certificate Calibration Weight Class: 5 Calibration Weight Material: St...

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    $33.00

  • Calibration Weight Kit, SS, 20mg, Leaf (Part#: 80500)

    Rice Lake
    $33.00

    Calibration Weight Class: 4 Overall Length: 0.125 in Calibration Certificate: Certificate of Accuracy Calibration Weight Style: Leaf Overall ...

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    $33.00

  • Calibration Weight Kit, 200mg, Polished (Part#: 80496)

    Rice Lake
    $33.00

    Measurement Type: Metric Number of Pieces: 1 Nominal Mass: 200 mg Compliance: ASTM Calibration Weight Compliance Agency: ASTM Finish: polish...

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    $33.00

  • Calibration Weight, SS, 2g, Cylinder (Part#: 12501)

    Rice Lake
    $33.00

    Item: Calibration Weight Calibration Weight Style: Cylinder Finish: Satin Calibration Weight Material: Stainless Steel Calibration Tolerance:...

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    $33.00

  • Calibration Weight, 200mg, Stainless Steel (Part#: 12915)

    Rice Lake
    $21.00

    Class: F Overall Width: 0.255 in Compliance: NIST Overall Length: 0.14 in Measurement Type: Metric Weight Style: Leaf Calibration Weight Co...

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    $21.00

  • Calibration Weight, 20mg, Stainless Steel (Part#: 12919)

    Rice Lake
    $21.00

    Overall Height: 0.058 in Item: Calibration Weight Item - Calibration Weights: Calibration Weight Class: F Finish: Satin Calibration Certific...

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    $21.00

  • Calibration Weight, 100mg, Stainless Steel (Part#: 12916)

    Rice Lake
    $21.00

    Material: Stainless Steel Calibration Weight Compliance Agency: ASTM Calibration Weight Class: 5 Measurement Type: Metric Calibration Weight ...

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    $21.00

  • Calibration Weight, 500mg, Stainless Steel (Part#: 12913)

    Rice Lake
    $21.00

    Class: F Item: Calibration Weight Weight Style: Leaf Material: Stainless Steel Overall Width: 0.375 in Compliance: NIST Calibration Weight ...

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    $21.00

  • Calibration Weight, 20mg, Satin (Part#: 12919)

    Rice Lake
    $21.00

    Item: Calibration Weight Calibration Weight Compliance Agency: ASTM Calibration Certificate: Traceable - Accredited Overall Length: 0.125 in ...

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    $21.00
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