Constructed from highly polished stainless steel construction for ultimate durability, Adam Equipment's calibration weights are used to test and calibrate scales and balances to meet ANSI/ASTM standards. Which class of weight do you need? ASTM 0 and 1 weights are for calibrating analytical and precision balances to a high level of accuracy. ASTM 2 weights are suitable for calibrating precision balances. ASTM 3 and 4 weights are excellent for calibrating compact balancesSpecifications:Max Capacity: 1g-500gConstruction: Polished stainless steelCategory: Calibration Weights, 2024 US Fall SaleAbout AdamFor more than 50 years, professionals worldwide have relied on Adam Equipment for dependable, high-quality digital scales for labs, science education, industrial and commercial use, food production, warehouses, gyms, healthcare facilities, veterinary offices and agriculture.Adam weighing scales are designed to offer intuitive operation, durability, solid performance and value to facilitate everyday work and simplify weighing tasks.Customers choose Adam for, quality scales and balances, as well as support that extends beyond the sale, with services including technical support, repairs and calibration all from our local USA office or our extensive a network of dealers.