Cement
Comparator, Digital
Meets ASTM C-151, C-157, C-227, C-311, C-341, C-452, C-490, C-596 and AASHTO M-210, T-107, T-160 specifications.
This digital comparator measures length changes of hardened cement paste, mortar, and concrete prismatic specimens. It is for 10" effective length samples and has a digital indicator with a range of .600" and resolution of .0001".
It measures inches and millimeters and can be switched between the two with the press of a button. The unit can be zeroed at any point on the range. It accommodates test specimens up to a 4"x4" cross section.
The comparator includes stationary and movable anvils; an invar reference bar; batteries; and an AC adapter.
