1.1 This practice covers the calibration of the following:

1.1.1 Reference load cells by using certified weights,

1.1.2 Calibration platform systems by using a reference load cell, and

1.1.3 Static calibration of braking/tractive force on locked wheels of tire test trailers, instrumented vehicles, and laboratory tire testing machines by using the calibration platform system as a calibration fixture.

1.2 The values stated in SI units are to be regarded as standard. The values in parentheses are for information only.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.