Length Comparator, Digital Indicator

Length comparators measure length changes of hardened cement paste, mortar and concrete prismatic specimens.

Description

Supports the following standards: ASTM C1260ASTM C151ASTM C157ASTM C227ASTM C341ASTM C342ASTM C441ASTM C452ASTM C490ASTM C596ASTM C806ASTM C878, AASHTO M210, AASHTO T107, AASHTO T160

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″ and resolution of .0001″. Measures 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. Battery operated, included.

Products

Part Number & Name
H-3250D
Mortar Specimen, Digital Length Comparator, 10″ Effective Length
H-3250D.4F
Mortar Specimen, Digital Length Comparator, 10″ Effective Length, 220V 50/60Hz
H-3250D.4F
Mortar Specimen, Digital Length Comparator, 10″ Effective Length, 220V 50/60Hz
H-3248D.4F
Mortar Specimen Length Comparator, 16″ Effective Length, 220V 50/60Hz

Accessories

Part Number & Name
H-3260
Gauge Studs for Mortar Bars
H-3250.8
Adapter for 5″ specimens for H-3250 Length Comparator

Literature

Manuals, Data Sheets & Safety Data Sheets
H-3248 50 man 0909 (Product Manual PDF)

Standards

Standards
ASTM C1260
ASTM C151
ASTM C157
ASTM C227
ASTM C341
ASTM C342
ASTM C441
ASTM C452
ASTM C452