Ohaus CalPak ASTM Calibration Weight Sets 5kg/200g CL1 Accrd TR

This ASTM Class 1 calibration set includes a 5 kg weight made from 316 stainless steel and a 200 g weight made from Troemner Alloy 8, providing stable and reliable reference standards for high precision balance calibration. Both weights feature durable two piece construction and are designed for long term accuracy in laboratory and metrology environments. The set includes a protective case and an ISO/IEC 17025 accredited certificate to ensure complete traceability to national mass standards.