Please note: We are not the manufacturer of the K-TRON/K Coin/K Scale brand of scales.
Test Carts & Weights Report, including NIST Class F, ASTM Class 2 and Class 3 (30-Oct-2025):
The SD Department of Public Safety, Office of Weights and Measures, report on our NIST Class F test carts and weights, and ASTM Class 2 and Class 3 kits/weights: M26039A (pdf, 358 kb {Rev A]), dated 29-Oct-2025 (due back 31-Oct-2026).
The previous NIST Class F reports: M25014 (pdf, 300 kb), dated 22-Oct-2024 and M25088 (pdf, 234 kb), dated 01-May-2025.
The previous ASTM Class 2 kit, Class 2 and Class 3 weights reports: M25039 (pdf, 213 kb [Rev A]), dated 21-Jan-2025
Please note that as of Dec 2023, nearly all of our Class 3 weights were reclassified as Class 2
K-Scale, LLC, Agency Certificates (30-Oct-2025):
South Dakota Department of Weights & Measures: 2025 (pdf, 508 kb)
Iowa Dept. of Agriculture & Land Stewardship: 2025-2027 (pdf, 1,871 kb)
Individual technicians are also certified in South Dakota, Iowa, North Dakota, Minnesota, Wyoming and Nebraska. If you would like a technician’s certification number, let us know.
West River Scale, LLC, Agency Certificate (28-Jan-2025):
South Dakota Department of Weights & Measures: 2025 (pdf, 534 kb)