Commercial Devices

Large Scale


Definition


Large scales are:

 

  • Scales with capacities 1,001 lb and greater
  • Belt conveyor scales
  • In-motion railroad track scales

 


See also the Static Railway Scale Policy pdf file


Small Scale


Scale and Meter Licensing & Inspection
The owner must obtain a license to operate any commercially used scale, moisture meter, Mass flow meter, textile meter and cordage meter. ICS multiple inspectors test all commercially used devices mentioned above.
 

 

Requirements



Legal for Trade Devices
Commercially used scales and meters must be legal for trade. A legal for trade device must generally have a Certificate of Conformance issued by the National Type Evaluation Program (NTEP). Most scale companies will be knowledgeable regarding whether a device is legal for trade. The Measurement Standards office may be contacted with any questions regarding legal for trade status.

 

 

Scale & Meter Tolerances
Specifications and ICS Scale Tolerances pdf file for devices, as well as general and user requirements are in Handbook 44 published by the National Institute of Standards and Technology.

 

 

Other Commercially Used Devices
Although the owner must obtain a license to operate a commercially used scale, moisture meter, mass flow meter, textile meter and cordage meter, many other devices are used commercially in Colorado, including:

 

  • Meters used for various liquids and materials, including milk meters, water meters, mass flow meters, petroleum products, anhydrous ammonia, etc.
  • Tanks and containers used for various liquids and materials, including milk, petroleum products and produce.
  • Odometers, taximeters, and timing devices.



Specifications, tolerances and other requirements for many of the commercially used devices above are in NIST Handbook 44. Inspections and investigations of commercially used devices conducted by the Measurement Standards Section Office many of the devices listed above, although not necessarily on a routine or scheduled basis.

 


Scales & Meter Sales and Service Companies
See Scales and Devices - Sales and Service for information on sales and service companies, including lists of certified companies.