500 mg – 1 mg Calibration Weight, OIML Class E1 (Kit with Case)

Key Highlights Manufactured to International Recommendation OIML R111 specifications OIML Class E1 accuracy for ultra-high precision calibration Supplied as a single calibration weight kit in a protective case or vial Includes handling glove to prevent contamination High-polish surface finish for maximum mass stability Accredited calibration certificate included Designed for primary reference and analytical balance calibration The 500 mg – 1 mg Calibration Weight, OIML Class E1 is a high-precision mass standard engineered for laboratories requiring the highest level of measurement accuracy and traceability. Manufactured in full compliance with OIML R111 international standards, this E1 class calibration weight is intended for use as a primary reference in controlled laboratory environments. Each kit includes a single micro calibration weight packaged in a protective case or vial and supplied with a glove to ensure proper handling. The polished surface finish minimizes c