Ametek Chandler Engineering 4207D Operating Manual page 17

SECTION 2 – OPERATING INSTRUCTIONS 2-7
Maximum Load
=
Compressiv e Strength
Sample CrossSecti onal Area
2
If a standard ASTM cement cube is used, the cross-sectional area is 4.0 in (2 inch x 2 inch
cube). To obtain the Compressive Strength in psi, divide the Maximum Load value by 4.0.