Materials Testing
 
    Length Comparator

Length Comparator

Dial Indicator

ASTM C151, ASTM C157, ASTM C227, ASTM C311, ASTM C341, ASTM C342...

  • It measures length changes of hardened cement paste, mortar and concrete prismatic specimens.

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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 3-5/8" (92mm) dia. dial gauge with a range of .400" and gradations of .0001".The Dial is marked 0-10. 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.

Standards

ASTM C151, ASTM  C157, ASTM C227, ASTM C311, ASTM  C341, ASTM C342, ASTM C452, ASTM C490, ASTM C596; AASHTO M210, AASHTO T107, AASHTO T160.

 

Cat. No.Description
HU325010" Length Comparator w/Dial Indicator
HU324816" Length Comparator w/Dial Indicator

 

Accessoires
HU3260Gauge Studs (pkg of 10)
HU3250.8Adapter for 5" specimens

 

Replacement parts
HU3249AInvar Reference Bar
HU3249A.16Invar Reference Bar
HU3250.3Dial Indicator
HU3250.4Anvil with collar (one each)
HU3250.4.4Anvil only
HU3250.4.3Collar only
HU3250.7Elevating Screw, nut collar & anvil assembly
HU3250.8Adapter for 5" specimens