Product Code Product Description PRS-A1000 Specific Gravity Frame PRS-A1003 Plastic Water Tank PRS-A1005 Cradle for Hardened Concrete Specimens PRS-A1010 Density Basket Ã? 200 mm x 200 mm deep The Specific Gravity Frame is used in conjunction with a suitable electronic balance for specific gravity determination of fresh and hardened concrete and aggregates. Consisting of a purpose built robust frame designed to support the electronic balance (not supplied), a wire basket and plastic water tank. The lower part of the frame incorporates a moving platform, which carries the water tank allowing the test specimens to be weighed in both air and water. Any type of electronic balance fitted with under-bench weighing facility can be used. Balance, Cradle and Density Basket should be ordered separately. The Specific Gravity Frame is supplied complete with; â?¢ A water tank Dimensions 600x500x1100 mm Weight (approx.) 25 kg