Test weights are specially designed cast iron or stainless steel weights used to calibrate weighing equipment. Test weights are manufactured and laboratory compared to a certain degree of accuracy against a known standard.
Syarikat Union Weighing Machines sells all types of test weights from lowest (most accurate) to highest tolerance, the OIML classes are E1, E2, F1, F2, M1, M2, and M3. Most laboratory applications require OIML weights of Class F2 or below.
Not sure which test weigh are right for your application? Consult us and we will gladly recommend to you the best solution for your needs.