Used for measuring strain in steel members, the strain gauge can be welded to load bearing beams, tunnel segments, struts, sheet pile walling and tendons. The gauge is adjustable to suit compression or tension.
The Spot Weldable Vibrating Wire Strain Gauge measures strain in steel members. It consists of a sealed tube containing a Vibrating Wire element with weldable anchors at each end.
The anchors are separated by a small floating stainless steel tube with O-ring seals that protect the Vibrating Wire from water ingress. A factory fitted, four-core screened cable connects the coil to the readout unit.
The sensor is installed by cleaning the area corresponding to the fixing pads at either end of the gauge, setting the gauge tension using the mounting clip, and then either spot-welding or gluing the gauge into place.
The gauge is fully adjustable to monitor compression, tension, or set at mid point. After installation, changes in strain are monitored by the coil assembly mounted over the gauge.
The sensor is readable with any commercially available Vibrating Wire readout and the incorporated thermistor allows you to monitor for variations in temperature. As with all Vibrating Wire instruments, the use of a frequency based signal allows for long cable runs between the instrument and the readout point or data logger.
The Spot Weldable Strain Gauge measures strain in steel and cast iron members on buildings, bridges, dams and pipelines, as well as on reinforcing bars within mass concrete or piles. It can measure tension and compression.
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Aptella Pty Ltd
ABN 56 130 367 065
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