B. L. Sinha & Sons

BLS brass flat cylindrical type weights tested with high performance weighing instruments and tracibility match with F1 class standard weights for the use of bullion trade.

This class weights 1g and above are carefully manufactured from brass /stainless steel and are cylindrical in shape for easy gripping. Weights 1g to 10g are of one piece construction and are adjusted during manufacture by removing material from the bottom of the weight. Weights 20g through 10kg have an adjusting cavity on the top that is sealed with a lead plug. Weights 1g and above are perfectly flat on top to stack easily on centre.

Mass Standard - Class E 1/E2    

Class E1/E2 weights intended to ensure traceability between national mass standards and weights of a lower accuracy class.

The intended purpose of this class weights is to do adjustment, testing, official calibration and calibration instruments for the quality assurance of the scales with more than 1,000,000 steps in accordance with OIML R – 111.