Model No. SWPI: 48-51

Hexagonal shape 5kg to 50kg as per BIS

SWPI’s Test Weights, Model No. SWPI 48-51 are manufactured in denominations from 5kg to 50kg using high quality pig iron conforming to Grade 15 IS:210:1962 and designed as per IS 1056-1965 standards. These weights are designed in a hexagonal tapered upward shape, ensuring durability and stability during use.

Each weight includes a rectangular loading hole in the underside, tapering outward along the width, and includes cast-in mild steel handle (IS: 1977-1962) for easy handling. The loading cavity is sealed with lead to prevent displacement, ensuring long-term accuracy. Finished with a smooth, defect-free surface, the weights are coated with corrosion-resistant paint to protect against rust. These features make SWPI’s hexagonal test weights reliable for consistent verification and calibration.

Specifications

SpecificationBureau of Indian Standards and G.C.C Countries
Denomination50kg, 20kg, 10kg, 5kg
Max Error+7500, 3000, 1500, 750mg
Max Error (M2)1600 mg (10kg) to 16 mg (100g)
MaterialCast Iron
FinishLacquered with corrosion resistant paint
ShapeHexagonal
MarkingDenomination (English/Hindu-Arabic/Arabic), Logo (English)

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