Examination Procedure Outlines (EPOs) for Commercial Weighing and Measuring Devices

(formerly NIST Handbook 112)

2015 DRAFT CONTENT

The following DRAFT copies of EPOs are posted for temporary use.

EPO 5-Prescription and Jeweler Scales – Part 1 Electronic

EPO 5-Appendix A – Table 1 Units of Mass Conversion Tables (1) – Carat (Metric) to Grams (Excel File)
EPO 5-Appendix A – Table 2 Unit of Mass Conversion Tables – Pennyweight (Troy) to Grams (Excel File)
EPO 5-Appendix A – Table 3 Units of Mass Conversion Tables (3) – Pounds (avoirdupois) to Grams (Excel File)
EPO 5-Appendix A – Table 4 Units of Mass Conversion Tables (4) – Ounces (avoirdupois) to Grams (Excel File)
EPO 5-Appendix A – Table 5 Units of Mass Conversion Tables (5) – Ounces (troy) to Grams (Excel File)

EPO 7-Medium – Capacity Scales

EPO 9-Part 1 – Monorail Scales – Electronic Digital Indicators Part 2 – Monorail Scales and Meat Beams – Mechanical

EPO 12-Livestock and Animal Scales Part 1 – Electronic Digil Indicating Part 2 – Mechanical – Analog Indicating

EPO 13-Vehicle and Axle-Load Scales Part 1 – Electronic Digital Indicating Part 2 – Mechanical-Analog Indicating

EPO 14-Belt-Conveyor Systems

EPO 16-Automatic Bulk Weighing Systems

EPO 16-Appendix A Description of Test Methods
EPO 16-Appendix B High-Level Steps to Performing the Increasing-Load Test Using the Substitution or Alternative Substitution Test Method
EPO 16-Appendix B/Supplement 1 Applying the High-Level Steps of the Substitution and Alternative Substitution Test Method
EPO 16-Appendix B/Supplement 2 Determining Scale Error When Applying the Substitution Test Method
EPO 16-Appendix B/Supplement 3 Determining Scale Error When Applying the Alternative Substitution Test Method
EPO 16-Appendix C Definitions

EPO 21-Retail Motor-Fuel Dispensers Single, Dual, and Multi-Product (except blenders)

EPO 22-Retail Motor-Fuel Dispensers – Blended Products

EPO 23-Vehicle-Tank Meters (VTMs) – Power-Operated

EPO 24-Vehicle-Tank Meters (VTMs) – Gravity-Discharge

EPO 25-Loading-Rack Meters

EPO 26-Liquefied Petroleum Gas (LPG) Liquid-Measuring Systems

EPO 28-Compressed Natural Gas (CNG) Retail Motor-Fuel Dispensers