ANSI/NCSL Z540.3 is a U.S. national standard that establishes technical requirements for calibration labs. The Z540.3 standard was issued in 2006, and has since been updated, by the American National Standards Institute (ANSI) and the National Conference of Standards Laboratories (NCSL).
The PCS service feature is a unique offering you will find only at Transcat. It is effective in normalizing all of your calibration data to help equipment users determine when measurement risk situations exist.
A Decision Rule, as related to calibration, is meant to clarify to all parties involved (within your organization and external to your organization) the component of your quality system that notifies you when an impact analysis needs to take place.