3567 - 2 Pages

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3567

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3567 Extensometers for Testing Rebar Couplers, Splices, and Sleeves NEW PRODUCT Extensometers for measuring elongation of rebar coupler, splice, and sleeve assemblies. Use for tension, cyclic, slip, and differential elongation tests. Option for average of three measurements (rebar coupler not shown) Model 3567 with mounting collars (rebar coupler not shown) The Model 3567 extensometer may be used for ASTM A1034 testing to measure strain and elongation during tension testing of rebar splice assemblies consisting of rebar and rebar couplers, coupling sleeves and splices. The extensometer measures strain through yield and Model 3567 specimen attachment collar may be used for tension, cyclic, slip, and differential with extensometer installed elongation tests. The extensometer may be left on through failure and includes suspension points for fall protection. It is designed to automatically release from the rebar splice assembly when the extensometer reaches full scale extension at 12.5 mm (0.5 inches), typically after specimen yield. The extensometer is suspended by a tether after it is released from the specimen. The upper arm incorporates mechanical stops that protect the extensometer from over travel. The unit is self-supporting and mounts to the rebar using attachment collars above and below the coupler. The collars simply clamp on without any need for rebar surface preparation. Collars are available to work with all common rebar and coupling / splice sizes, including 6 – 60 mm (#2 – #18J) diameter rebar. Extensometer gauge length may be adjusted to any value from 95 mm – 675 mm (3.74 – 26.6 inches) with the standard model, and optionally up to 975 mm (38.4 inches). The Model 3567 consists of two simultaneous, separate measurements which are averaged to measure axial elongation. A configuration that uses three separate measurements for improved test accuracy is optional. Model 3567 extensometers may also be used for tension testing of un-spliced rebar. For labs that mainly test un-spliced rebar, the Model 3543 extensometer incorporates efficiency and durability features specifically designed for that application. Model 3567 extensometers are strain gaged devices, making them compatible with any electronics designed for strain gaged transducers. Most often they are connected to a test machine controller and Epsilon will equip the extensometer with compatible connectors that are wired to plug directly into the controller. For systems lacking the required electronics, Epsilon can provide a variety of solutions for signal conditioning and connection to data acquisition systems, chart recorders, or other equipment. Visit our website at www.epsilontec

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Ordering Information • Specifically designed to be left on through specimen failure -extensometer automatically releases from the rebar splice assembly upon reaching the full scale of the extensometer. • One system may be used for all common rebar and coupling / splice sizes, including 6-60 mm (#2-#18J) diameter rebar. • Replaces homemade clip gages and LVDTs with a reliable, repeatable solution. • Durable system includes these features: - A tether suspends the extensometer after automatic release and provides fall protection - The extensometer’s upper arm has integral stops to protect it...

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