Calibrate masses of class II and III weighing instruments. Fisherbrand™ Class F1 Leaf Calibration Weights are intended for use in the verification or calibration of class F2 weights and for use with weighing instruments of special accuracy.

For use with a variety of mechanical scales. OHAUS™ Triple Beam Balance Mass Set includes two 1kg and one 500g counterweights for use with compatible Triple Beam 700 series, Dial-O-Gram 1600 series and Pro series mechanical balances.

Use with weighing instruments of high accuracy class II. Fisherbrand™ Class F2 Stainless Steel Calibration Weights are also intended for use in important commercial transactions, such as those involving precious metals and stones.

Proof Line weights are high-quality working standards for everyday use, made of high-quality materials.

Calibrate masses of class II and III weighing instruments. Fisherbrand™ Class F1 Stainless Steel Cylindrical Calibration Weights are intended for use in the verification or calibration of class F2 weights and for use with weighing instruments of special accuracy.

Ensure precise calibration and comparative measurements. Fisherbrand™ Special Steel Certified E2 Wire Calibration Weight is a highly accurate individual weight with a nominal mass of 5mg. The wire weight conforms to class E2 requirements and isISO 17025 certified.

Use with weighing instruments of high accuracy class II. Fisherbrand™ Class F2 Stainless Steel Calibration Weights are also intended for use in important commercial transactions, such as those involving precious metals and stones.

Use with weighing instruments of high accuracy class II. Fisherbrand™ Class F2 Stainless Steel Calibration Weights are also intended for use in important commercial transactions, such as those involving precious metals and stones.

Includes the same features and properties as the individual weights of this series, along with the corresponding maximum permissible errors. Sartorius™ OIML Class F1 Proof LIne Weight Set without Certificate is supplied with gloves, tweezers and brush in high-quality plastic case

Calibrate masses of class II and III weighing instruments. Fisherbrand™ Class F1 Individual Stainless Steel Cylindrical Calibration Weights are intended for use in the verification or calibration of class F2 weights and for use with weighing instruments of special accuracy.

Calibrate weights of lower accuracy classes. Fisherbrand™ Class E2 Individual Stainless Steel Cylindrical Calibration Weights are intended for use in the verification or calibration of class F1 weights and for use with weighing instruments of special accuracy class I.

Calibrate masses of class II and III weighing instruments. Fisherbrand™ Class F1 Leaf Calibration Weights are intended for use in the verification or calibration of class F2 weights and for use with weighing instruments of special accuracy.

Use with weighing instruments of high accuracy class II. Fisherbrand™ Class F2 Stainless Steel Calibration Weights are also intended for use in important commercial transactions, such as those involving precious metals and stones.

Polished non-magnetizable calibration weights. Sartorius™ OIML Class F1 Knob Weight without Certificate is constructed of special steel and supplied in a plastic case.

Polished non-magnetizable calibration weights. Sartorius™ OIML Class F1 Proof Line Knob Weight with DAkkS Certificate is constructed of special steel and supplied in a plastic case.

Polished non-magnetizable calibration weights. Sartorius™ OIML Class E2 Knob Weight without Certificate is constructed of special steel and supplied in a plastic case.

Calibrate weights of lower accuracy classes. Fisherbrand™ Class E2 Individual Stainless Steel Cylindrical Calibration Weights are intended for use in the verification or calibration of class F1 weights and for use with weighing instruments of special accuracy class I.

Calibrate masses of class II and III weighing instruments. Fisherbrand™ Class F1 Stainless Steel Cylindrical Calibration Weights are intended for use in the verification or calibration of class F2 weights and for use with weighing instruments of special accuracy.

Use with weighing instruments of medium accuracy class III. Fisherbrand™ Class M1 Stainless Steel Calibration Weights are ideal for the verification or calibration of class M2 weights.

Use with weighing instruments of high accuracy class II. Fisherbrand™ Class F2 Stainless Steel Calibration Weights are also intended for use in important commercial transactions, such as those involving precious metals and stones.

Calibrate weights of lower accuracy classes. Fisherbrand™ Class E2 Individual Stainless Steel Cylindrical Calibration Weights are intended for use in the verification or calibration of class F1 weights and for use with weighing instruments of special accuracy class I.

Use with weighing instruments of medium accuracy class III. Fisherbrand™ Class M1 Stainless Steel Calibration Weights are ideal for the verification or calibration of class M2 weights.

Calibrate weights of lower accuracy classes. Fisherbrand™ Class E2 Individual Stainless Steel Leaf Calibration Weights are intended for use in the verification or calibration of class F1 weights and for use with weighing instruments of special accuracy class I.