Length Comparator, 数字 Indicator

Length comparators measure length changes of hardened cement paste, mortar and concrete prismatic specimens. Indicators are mounted on a sturdy upright support attached to a solid triangular base. All units Include stationary and movable anvils designed to fit H-3260 gauge studs, which are cast into test specimens and an Invar reference bar.

Comparators for 10" (254mm) or 16" (406mm) effective length samples with digital indicator with a range of .600”，分辨率为 .0001". 措施 inches and millimeters. Unit can be zeroed at any point on the range and can be switched from inches to mm by pressing a button. Includes stationary and movable anvils designed to fit the H-3260 gauge studs that are cast on test specimens and an Invar reference bar. Unit accommodates test specimens up to 4" x 4" (102 x 102mm) cross section. 电池供电，包括.