Brazilian test apparatus It is also called rock tension testing machine. Brazilian test is a test for indirect measurement of tensile strength of rocks. The instrument is useful for testing specimen from 50 mm dia to 100 mm dia and of thickness of half the diameter. The specimen is held in circular jaws, this is primarily similar to a compression machine and consists of a small load frame having sturdy base with two vertical threaded rods and an adjustable cross head. The hydraulic jack is fitted at the centre of the base of the load frame. The jack of the load frame is self retracting and two plain plates are supplied. A pressure gauge capacity 0-200kn x 2 kn is fixed at the base of jack. A maximum pointer is also provided on the gauge, a pair of semi circular platen for 50 mm dia samples also provided. This instrument can be used in field also. Supplied complete with the steel balls. Order code Product Lisc-563 Brazilian test apparatus with 50 mm dia jaws