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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
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