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Test Weights

Alpha Scale Company is an authorized sales and service dealer for an extensive range of precision weighing equipment from trusted manufacturers such as A&D, Anyload, B-Tek, Cardinal, OHAUS, and Rice Lake. Whether you need equipment for industrial, laboratory, retail, or vehicle based applications, we deliver tailored solutions backed by expert service and manufacturer partnerships.


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Alpha Scale Company is an authorized reseller of the highest quality scale and weighing products
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Cast Iron Calibration Weights - Grip Handle
Cast Iron Calibration Weights - Grip Handle

Cast iron calibration weights with a grip handle are available in weight capacities of 10 kg/20 lb and up.

Vendor: Rice Lake Rice_Lake Logo
Cast Iron Calibration Weights - Slotted Interlocking and Hanger Weights
Cast Iron Calibration Weights - Slotted Interlocking and Hanger Weights

Slotted and hanger cast iron calibration weights are available in ASTM Class 6 and Class 7.

Vendor: Rice Lake Rice_Lake Logo
ASTM Specialty Calibration Stainless Steel Slotted Calibration Weights
ASTM Specialty Calibration Stainless Steel Slotted Calibration Weights

ASTM stainless steel slotted specialty weights are unique weights designed and built for custom applications or tolerances.

Vendor: Rice Lake Rice_Lake Logo
Specialty Calibration Weights, ASTM Class 5
Specialty Calibration Weights, ASTM Class 5

ASTM Class 5 individual specialty calibration weights are unique weights designed and built for custom applications or tolerances.

Vendor: Rice Lake Rice_Lake Logo
25 kg - 1/32 oz Hook Style Calibration Weight, ASTM Class 6
25 kg - 1/32 oz Hook Style Calibration Weight, ASTM Class 6

ASTM Class 6 individual hook weights are used for tolerance test or checking and equipment verification in unique units of measurement.

Vendor: Rice Lake Rice_Lake Logo
5 kg - 10 g Calibration Weight, ASTM Class 1
5 kg - 10 g Calibration Weight, ASTM Class 1

ASTM electronic calibration metric kits calibrate Class 1 and Class II balances, ASTM Class 4, 5, 6 weights, and balance tolerance checking or verification.

Vendor: Rice Lake Rice_Lake Logo
5 kg - 10 g Calibration Weight, ASTM Class 2 (Kit with Case)
5 kg - 10 g Calibration Weight, ASTM Class 2 (Kit with Case)

ASTM electronic calibration metric kits calibrate Class 1 and Class II balances, ASTM Class 4, 5, 6 weights, and balance tolerance checking or verification.

Vendor: Rice Lake Rice_Lake Logo
5 kg - 10 g Calibration Weight, ASTM Class 3
5 kg - 10 g Calibration Weight, ASTM Class 3

ASTM electronic calibration metric kits calibrate Class 1 and Class II balances, ASTM Class 4, 5, 6 weights, and balance tolerance checking or verification.

Vendor: Rice Lake Rice_Lake Logo
5 kg - 10 g Calibration Weight, ASTM Class 4
5 kg - 10 g Calibration Weight, ASTM Class 4

ASTM electronic calibration metric kits calibrate Class 1 and Class II balances, ASTM Class 4, 5, 6 weights, and balance tolerance checking or verification.

Vendor: Rice Lake Rice_Lake Logo
30 kg - 5 kg Single Calibration Weight, ASTM Class 1
30 kg - 5 kg Single Calibration Weight, ASTM Class 1

ASTM electronic calibration metric individual weights are used when calibrating Class 1 and Class II balances, ASTM Class 4, 5 and 6 weights and tolerance checking or verification of balances.

Vendor: Rice Lake Rice_Lake Logo
30 kg - 5 kg Single Calibration Weight, ASTM Class 2
30 kg - 5 kg Single Calibration Weight, ASTM Class 2

ASTM electronic calibration metric individual weights are used when calibrating Class 1 and Class II balances, ASTM Class 4, 5 and 6 weights and tolerance checking or verification of balances.

Vendor: Rice Lake Rice_Lake Logo
30 kg - 5 kg Single Calibration Weight, ASTM Class 3
30 kg - 5 kg Single Calibration Weight, ASTM Class 3

ASTM electronic calibration metric individual weights are used when calibrating Class 1 and Class II balances, ASTM Class 4, 5 and 6 weights and tolerance checking or verification of balances.

Vendor: Rice Lake Rice_Lake Logo
30 kg - 5 kg Single Calibration Weight, ASTM Class 4
30 kg - 5 kg Single Calibration Weight, ASTM Class 4

ASTM electronic calibration metric individual weights are used when calibrating Class 1 and Class II balances, ASTM Class 4, 5 and 6 weights and tolerance checking or verification of balances.

Vendor: Rice Lake Rice_Lake Logo
5 kg - 10 g Single Calibration Weight, ASTM Class 1
5 kg - 10 g Single Calibration Weight, ASTM Class 1

ASTM electronic calibration metric individual weights are used when calibrating Class 1 and Class II balances, ASTM Class 4, 5 and 6 weights and tolerance checking or verification of balances.

Vendor: Rice Lake Rice_Lake Logo
5 kg - 10 g Single Calibration Weight, ASTM Class 2
5 kg - 10 g Single Calibration Weight, ASTM Class 2

ASTM electronic calibration metric individual weights are used when calibrating Class 1 and Class II balances, ASTM Class 4, 5 and 6 weights and tolerance checking or verification of balances.

Vendor: Rice Lake Rice_Lake Logo
5 kg - 10 g Single Calibration Weight, ASTM Class 3
5 kg - 10 g Single Calibration Weight, ASTM Class 3

ASTM electronic calibration metric individual weights are used when calibrating Class 1 and Class II balances, ASTM Class 4, 5 and 6 weights and tolerance checking or verification of balances.

Vendor: Rice Lake Rice_Lake Logo
5 kg - 10 g Single Calibration Weight, ASTM Class 4
5 kg - 10 g Single Calibration Weight, ASTM Class 4

ASTM electronic calibration metric individual weights are used when calibrating Class 1 and Class II balances, ASTM Class 4, 5 and 6 weights and tolerance checking or verification of balances.

Vendor: Rice Lake Rice_Lake Logo
50 lb - 10 lb Single Calibration Weight, ASTM Class 1
50 lb - 10 lb Single Calibration Weight, ASTM Class 1

ASTM electronic calibration avoirdupois individual weights are used when calibrating Class 1 and Class II balances, ASTM Class 4, 5 and 6 weights and tolerance checking or verification of balances.

Vendor: Rice Lake Rice_Lake Logo
50 lb - 10 lb Single Calibration Weight, ASTM Class 2
50 lb - 10 lb Single Calibration Weight, ASTM Class 2

ASTM electronic calibration avoirdupois individual weights are used when calibrating Class 1 and Class II balances, ASTM Class 4, 5 and 6 weights and tolerance checking or verification of balances.

Vendor: Rice Lake Rice_Lake Logo
50 lb - 10 lb Single Calibration Weight, ASTM Class 3
50 lb - 10 lb Single Calibration Weight, ASTM Class 3

ASTM electronic calibration avoirdupois individual weights are used when calibrating Class 1 and Class II balances, ASTM Class 4, 5 and 6 weights and tolerance checking or verification of balances.

Vendor: Rice Lake Rice_Lake Logo
50 lb - 10 lb Single Calibration Weight, ASTM Class 4
50 lb - 10 lb Single Calibration Weight, ASTM Class 4

ASTM electronic calibration avoirdupois individual weights are used when calibrating Class 1 and Class II balances, ASTM Class 4, 5 and 6 weights and tolerance checking or verification of balances.

Vendor: Rice Lake Rice_Lake Logo
10 lb - 0.05 lb Calibration Weight, ASTM Class 1
10 lb - 0.05 lb Calibration Weight, ASTM Class 1

ASTM Class 1 calibration weight (case not included) used to calibrate Class I and Class II balances. Tolerance checking or balance verification. OPTIONAL Serial numbers may be stamped or laser marked on weights (Class 2 to 4).

Vendor: Rice Lake Rice_Lake Logo
10 lb - 0.05 lb Calibration Weight, ASTM Class 2
10 lb - 0.05 lb Calibration Weight, ASTM Class 2

ASTM Class 1 calibration weight (case not included) used to calibrate Class I and Class II balances. Tolerance checking or balance verification. OPTIONAL Serial numbers may be stamped or laser marked on weights (Class 2 to 4).

Vendor: Rice Lake Rice_Lake Logo
10 lb - 0.05 lb Calibration Weight, ASTM Class 3
10 lb - 0.05 lb Calibration Weight, ASTM Class 3

ASTM Class 1 calibration weight (case not included) used to calibrate Class I and Class II balances. Tolerance checking or balance verification. OPTIONAL Serial numbers may be stamped or laser marked on weights (Class 2 to 4).

Vendor: Rice Lake Rice_Lake Logo
10 lb - 0.05 lb Calibration Weight, ASTM Class 4
10 lb - 0.05 lb Calibration Weight, ASTM Class 4

ASTM Class 1 calibration weight (case not included) used to calibrate Class I and Class II balances. Tolerance checking or balance verification. OPTIONAL Serial numbers may be stamped or laser marked on weights (Class 2 to 4).

Vendor: Rice Lake Rice_Lake Logo
10 lb - 0.05 lb Calibration Weight, ASTM Class 1 (Kit with Case)
10 lb - 0.05 lb Calibration Weight, ASTM Class 1 (Kit with Case)

ASTM electronic balance calibration weight kits, calibrate Class I and Class II balances, ASTM classification, balance tolerance checking and verification.

Vendor: Rice Lake Rice_Lake Logo
10 lb - 0.05 lb Calibration Weight, ASTM Class 2
10 lb - 0.05 lb Calibration Weight, ASTM Class 2

ASTM electronic balance calibration weight kits, calibrate Class I and Class II balances, ASTM classification, balance tolerance checking and verification.

Vendor: Rice Lake Rice_Lake Logo
10 lb - 0.05 lb Calibration Weight, ASTM Class 3
10 lb - 0.05 lb Calibration Weight, ASTM Class 3

ASTM electronic balance calibration weight kits, calibrate Class I and Class II balances, ASTM classification, balance tolerance checking and verification.

Vendor: Rice Lake Rice_Lake Logo
10 lb - 0.05 lb Calibration Weight, ASTM Class 4
10 lb - 0.05 lb Calibration Weight, ASTM Class 4

ASTM electronic balance calibration weight kits, calibrate Class I and Class II balances, ASTM classification, balance tolerance checking and verification.

Vendor: Rice Lake Rice_Lake Logo
20 kg - 1 mg Calibration Weight, ASTM Class 0 (Kit with Case)
20 kg - 1 mg Calibration Weight, ASTM Class 0 (Kit with Case)

ASTM precision laboratory metric individual weights are used when calibrating Class I and II balances, ASTM Class 4, 5 and 6 weights, student laboratory use, rough weighing operations, tolerance testing and verification checks.

Vendor: Rice Lake Rice_Lake Logo
20 kg - 1 mg Calibration Weight, ASTM Class 0
20 kg - 1 mg Calibration Weight, ASTM Class 0

ASTM precision laboratory metric individual weights are used when calibrating Class I and II balances, ASTM Class 4, 5 and 6 weights, student laboratory use, rough weighing operations, tolerance testing and verification checks.

Vendor: Rice Lake Rice_Lake Logo
25 kg - 1 g Calibration Weight, ASTM Class 1 (Kit with Case)
25 kg - 1 g Calibration Weight, ASTM Class 1 (Kit with Case)

ASTM precision laboratory metric individual weights are used when calibrating Class I and II balances, ASTM Class 4, 5 and 6 weights, student laboratory use, rough weighing operations, tolerance testing and verification checks.

Vendor: Rice Lake Rice_Lake Logo
25 kg - 1 g Calibration Weight, ASTM Class 2 (Kit with Case)
25 kg - 1 g Calibration Weight, ASTM Class 2 (Kit with Case)

ASTM precision laboratory metric individual weights are used when calibrating Class I and II balances, ASTM Class 4, 5 and 6 weights, student laboratory use, rough weighing operations, tolerance testing and verification checks.

Vendor: Rice Lake Rice_Lake Logo
25 kg - 1 g Calibration Weight, ASTM Class 3 (Kit with Case)
25 kg - 1 g Calibration Weight, ASTM Class 3 (Kit with Case)

ASTM precision laboratory metric individual weights are used when calibrating Class I and II balances, ASTM Class 4, 5 and 6 weights, student laboratory use, rough weighing operations, tolerance testing and verification checks.

Vendor: Rice Lake Rice_Lake Logo
25 kg - 1 g Calibration Weight, ASTM Class 4 (Kit with Case)
25 kg - 1 g Calibration Weight, ASTM Class 4 (Kit with Case)

ASTM precision laboratory metric individual weights are used when calibrating Class I and II balances, ASTM Class 4, 5 and 6 weights, student laboratory use, rough weighing operations, tolerance testing and verification checks.

Vendor: Rice Lake Rice_Lake Logo
25 kg - 1 g Calibration Weight, ASTM Class 1
25 kg - 1 g Calibration Weight, ASTM Class 1

ASTM precision laboratory metric individual weights are used when calibrating Class I and II balances, ASTM Class 4, 5 and 6 weights, student laboratory use, rough weighing operations, tolerance testing and verification checks.

Vendor: Rice Lake Rice_Lake Logo
25 kg - 1 g Calibration Weight, ASTM Class 2
25 kg - 1 g Calibration Weight, ASTM Class 2

ASTM precision laboratory metric individual weights are used when calibrating Class I and II balances, ASTM Class 4, 5 and 6 weights, student laboratory use, rough weighing operations, tolerance testing and verification checks.

Vendor: Rice Lake Rice_Lake Logo
25 kg - 1 g Calibration Weight, ASTM Class 3
25 kg - 1 g Calibration Weight, ASTM Class 3

ASTM precision laboratory metric individual weights are used when calibrating Class I and II balances, ASTM Class 4, 5 and 6 weights, student laboratory use, rough weighing operations, tolerance testing and verification checks.

Vendor: Rice Lake Rice_Lake Logo
25 kg - 1 g Calibration Weight, ASTM Class 4
25 kg - 1 g Calibration Weight, ASTM Class 4

ASTM precision laboratory metric individual weights are used when calibrating Class I and II balances, ASTM Class 4, 5 and 6 weights, student laboratory use, rough weighing operations, tolerance testing and verification checks.

Vendor: Rice Lake Rice_Lake Logo
500 mg - 0.5 mg Calibration Weight, ASTM Class 1 (Kit with Case)
500 mg - 0.5 mg Calibration Weight, ASTM Class 1 (Kit with Case)

ASTM precision laboratory metric individual weights are used when calibrating Class I and II balances, ASTM Class 4, 5 and 6 weights, student laboratory use, rough weighing operations, tolerance testing and verification checks.

Vendor: Rice Lake Rice_Lake Logo
500 mg - 0.5 mg Calibration Weight, ASTM Class 2 (Kit with Case)
500 mg - 0.5 mg Calibration Weight, ASTM Class 2 (Kit with Case)

ASTM precision laboratory metric individual weights are used when calibrating Class I and II balances, ASTM Class 4, 5 and 6 weights, student laboratory use, rough weighing operations, tolerance testing and verification checks.

Vendor: Rice Lake Rice_Lake Logo
500 mg - 0.5 mg Calibration Weight, ASTM Class 3 (Kit with Case)
500 mg - 0.5 mg Calibration Weight, ASTM Class 3 (Kit with Case)

ASTM precision laboratory metric individual weights are used when calibrating Class I and II balances, ASTM Class 4, 5 and 6 weights, student laboratory use, rough weighing operations, tolerance testing and verification checks.

Vendor: Rice Lake Rice_Lake Logo
500 mg - 0.5 mg Calibration Weight, ASTM Class 4 (Kit with Case)
500 mg - 0.5 mg Calibration Weight, ASTM Class 4 (Kit with Case)

ASTM precision laboratory metric individual weights are used when calibrating Class I and II balances, ASTM Class 4, 5 and 6 weights, student laboratory use, rough weighing operations, tolerance testing and verification checks.

Vendor: Rice Lake Rice_Lake Logo
500 mg - 1 mg Calibration Weight, ASTM Class 1
500 mg - 1 mg Calibration Weight, ASTM Class 1

ASTM precision laboratory metric individual weights are used when calibrating Class I and II balances, ASTM Class 4, 5 and 6 weights, student laboratory use, rough weighing operations, tolerance testing and verification checks.

Vendor: Rice Lake Rice_Lake Logo
500 mg - 1 mg Calibration Weight, ASTM Class 2
500 mg - 1 mg Calibration Weight, ASTM Class 2

ASTM precision laboratory metric individual weights are used when calibrating Class I and II balances, ASTM Class 4, 5 and 6 weights, student laboratory use, rough weighing operations, tolerance testing and verification checks.

Vendor: Rice Lake Rice_Lake Logo
500 mg - 1 mg Calibration Weight, ASTM Class 3
500 mg - 1 mg Calibration Weight, ASTM Class 3

ASTM precision laboratory metric individual weights are used when calibrating Class I and II balances, ASTM Class 4, 5 and 6 weights, student laboratory use, rough weighing operations, tolerance testing and verification checks.

Vendor: Rice Lake Rice_Lake Logo
500 mg - 1 mg Calibration Weight, ASTM Class 4
500 mg - 1 mg Calibration Weight, ASTM Class 4

ASTM precision laboratory metric individual weights are used when calibrating Class I and II balances, ASTM Class 4, 5 and 6 weights, student laboratory use, rough weighing operations, tolerance testing and verification checks.

Vendor: Rice Lake Rice_Lake Logo
30 lb - 1/16 oz Calibration Weight, ASTM Class 1 (Kit with Case)
30 lb - 1/16 oz Calibration Weight, ASTM Class 1 (Kit with Case)

ASTM precision laboratory metric individual weights are used when calibrating Class I and II balances, ASTM Class 4, 5 and 6 weights, student laboratory use, rough weighing operations, tolerance testing and verification checks.

Vendor: Rice Lake Rice_Lake Logo
30 lb - 1/16 oz Calibration Weight, ASTM Class 2 (Kit with Case)
30 lb - 1/16 oz Calibration Weight, ASTM Class 2 (Kit with Case)

ASTM precision laboratory metric individual weights are used when calibrating Class I and II balances, ASTM Class 4, 5 and 6 weights, student laboratory use, rough weighing operations, tolerance testing and verification checks.

Vendor: Rice Lake Rice_Lake Logo
30 lb - 1/16 oz Calibration Weight, ASTM Class 3 (Kit with Case)
30 lb - 1/16 oz Calibration Weight, ASTM Class 3 (Kit with Case)

ASTM precision laboratory metric individual weights are used when calibrating Class I and II balances, ASTM Class 4, 5 and 6 weights, student laboratory use, rough weighing operations, tolerance testing and verification checks.

Vendor: Rice Lake Rice_Lake Logo
30 lb - 1/16 oz Calibration Weight, ASTM Class 4 (Kit with Case)
30 lb - 1/16 oz Calibration Weight, ASTM Class 4 (Kit with Case)

ASTM precision laboratory metric individual weights are used when calibrating Class I and II balances, ASTM Class 4, 5 and 6 weights, student laboratory use, rough weighing operations, tolerance testing and verification checks.

Vendor: Rice Lake Rice_Lake Logo
0.001 lb - 1/32 oz Calibration Weight, ASTM Class 1-3
0.001 lb - 1/32 oz Calibration Weight, ASTM Class 1-3

ASTM precision laboratory metric individual weights are used when calibrating Class I and II balances, ASTM Class 4, 5 and 6 weights, student laboratory use, rough weighing operations, tolerance testing and verification checks.

Vendor: Rice Lake Rice_Lake Logo
50 lb - 1/16 oz Single Calibration Weight, ASTM Class 1
50 lb - 1/16 oz Single Calibration Weight, ASTM Class 1

ASTM precision laboratory metric individual weights are used when calibrating Class I and II balances, ASTM Class 4, 5 and 6 weights, student laboratory use, rough weighing operations, tolerance testing and verification checks.

Vendor: Rice Lake Rice_Lake Logo
50 lb - 1/16 oz Single Calibration Weight, ASTM Class 2
50 lb - 1/16 oz Single Calibration Weight, ASTM Class 2

ASTM precision laboratory metric individual weights are used when calibrating Class I and II balances, ASTM Class 4, 5 and 6 weights, student laboratory use, rough weighing operations, tolerance testing and verification checks.

Vendor: Rice Lake Rice_Lake Logo
50 lb - 1/16 oz Single Calibration Weight, ASTM Class 3
50 lb - 1/16 oz Single Calibration Weight, ASTM Class 3

ASTM precision laboratory metric individual weights are used when calibrating Class I and II balances, ASTM Class 4, 5 and 6 weights, student laboratory use, rough weighing operations, tolerance testing and verification checks.

Vendor: Rice Lake Rice_Lake Logo
50 lb - 1/16 oz Single Calibration Weight, ASTM Class 4
50 lb - 1/16 oz Single Calibration Weight, ASTM Class 4

ASTM precision laboratory metric individual weights are used when calibrating Class I and II balances, ASTM Class 4, 5 and 6 weights, student laboratory use, rough weighing operations, tolerance testing and verification checks.

Vendor: Rice Lake Rice_Lake Logo
0.001 lb - 1/32 oz Single Calibration Weight, ASTM Class 1-4
0.001 lb - 1/32 oz Single Calibration Weight, ASTM Class 1-4

ASTM precision laboratory metric individual weights are used when calibrating Class I and II balances, ASTM Class 4, 5 and 6 weights, student laboratory use, rough weighing operations, tolerance testing and verification checks.

Vendor: Rice Lake Rice_Lake Logo

Questions? Contact an Alpha Scale representative now

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Alpha Scale Company is a New England based sales, service, and calibration company for all scale types

Contact Us

980 Quaker Hwy # A
Uxbridge MA 01569