Prime USA Scales heavy duty NTEP approved (Class III) - Legal for trade platform scales are designed to be used in tough industrial environments. Great for Recycling, Buying or Selling based on weight, or for freight LTL companies. Renowned for their strength, reliability and accuracy, Prime USA Scales floor scales have stood the test of time in harsh environments all over the country. All of our scales are easy to install, use and maintain, so they won’t slow your business down. NTEP Approved (Class III) - Legal for trade Prime USA floor scales are engineered for unsurpassed longevity and accuracy in tough industrial environments. This floor scale’s high steel content, robust top deck structure and side impact protection mean the PS series is up and running, with minimal maintenance, when you need it.