Model No. SWPI : 189

Fabricated Standard Weights of Model No. SWPI: 189 are also Test Weights used as standards for the verification & calibration of weighing instruments. These Weights are also used as standards for verification or calibration of weights of a lower accuracy class. These Weights are manufactured from mild steel fabricated body filled with molten cast iron which gives smooth surface and good finish. a cubical cavity is placed in the body of the center horizontally making is suitable for lifting by forklift. A specially designed adjusting cavity sealed by alien screw to make it water tight, has room to accommodate allow future adjustment of mass due to wear and tear.