METTLER TOLEDO 11123455 1 Gram ASTM Class 1 Calibration Weight for Balances
Used. See attached photos.
Genuine METTLER TOLEDO 11123455 1 gram ASTM Class 1 calibration weight / precision balance test mass for laboratory weighing, analytical balance verification, scale checks, QC inspection, metrology, pharmaceutical, chemical, industrial, educational, ISO/GLP/GMP, and research lab applications. Mettler lists 11123455 as the 1 g ASTM Class 1 no-certificate version, with 11123478 being the certified counterpart, so this is ideal for users needing a high-quality Mettler Toledo reference/check weight where a fresh calibration certificate is not required. ASTM Class 1 weights are commonly used for high-precision balances and reference-weight workflows; handle only with gloves or tweezers to avoid oils/dust affecting tolerance. Includes only what is shown; calibration certificate not included. Used lab equipment; calibration status unknown
