Description and Specification for Lab Tenders
Proctor Needles (Spring Type and Hydraulic type).
Proctor needles are utilized for quick measurement of maximum soil
density in the field. Standard Compaction curves demonstrating moisture
contents versus densities are generally drawn in laboratory using
standard compaction method and penetration of the proctor needles are
correlated. Proctor needles are also known as Proctor Penetrometers.