This is used for Standard Penetration Test. For determining penetration resistance (N Value) of soil which can be related to unconfined Compressive strength, Penetration resistance (N Value) of soil is determined by giving a number of blows with a 65 kg. weight falling through a given distance of 75 cm required to penetrate the assembly to a depth of 30 cm, when properly seated on the ground.
Salient Features

• Specifications : The sampler is made from a steel tube split lengthwise and held together by a head fitted with a ball check valve and a hardened steel shoe of inside cutting edge of 35 mm dia. The sampler is 35 mm I.D. and 50.8 mm in outer diameter and 508 mm long. One adaptor to connect 'A' type drill rods is also supplied.
  Spares: Body of split spoon sampler, shoe of split spoon sampler, head of split spoon sampler.