Technical Resources

Resources provided in this section include PJLA publications, information on proficiency testing, equation calculators and links to technical documents from valuable sources.

PJLA Technical Documents

International Laboratory Accreditation Corporation (ILAC)

  • ILAC-G17:2002 – Introducing the Concept of Uncertainty of Measurement in Testing in Association with the Application of the Standard ISO/IEC 17025
  • ILAC-G24:2007 / OIML D 10:2007 (E) – Guidelines for the Determination of Calibration Intervals of Measuring Instruments

National Institute of Standards and Technology (NIST)

  • NIST Special Publication 811 – Guide for the Use of the International System of Units (SI)
  • NIST Handbook 105-1 – Specifications and Tolerances for Reference Standard Weights and Measures
  • NISTIR 6919 – Recommended Guide for Determining and Reporting Uncertainties for Balances and Scales
  • NIST Handbook 44-10 – Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices

Utility Programs

  • Temperature System Conversions
    – Convert a number of Celsius degrees (Cº) to the equivalent number of Fahrenheit degrees (Fº)
    – Convert a number of Fahrenheit degrees (Fº) to the equivalent number of Celsius degrees (Cº)
    – Convert a temperature in degrees Celsius (ºC) to the equivalent temperature in degrees Fahrenheit (ºF)
    – Convert a temperature in degrees Fahrenheit (ºF) to the equivalent temperature in degrees Celsius (ºC)
  • Power Unit Conversions
    – Convert dBm to Watts and Watts to dBm