Strain Gauges
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VW STRAIN GAUGE SURFACE MOUNT VWS-2000
In stock
The VWS-2000 series vibrating wire surface strain mount gauges are designed for the long term monitoring of steel or concrete structures. Gauges may be attached to steel structures by arc welding or, using alternative end blocks, bonded or grouted into concrete.
The strain gauge operates on the principle that a tensioned wire, when plucked, vibrates at its resonant frequency. The square of this frequency is proportional to the strain in the wire.
VW STRAIN GAUGE EMBEDMENT VWS-2100
In stock
The VWS-2100 series vibrating wire embedment strain gauges are designed for direct embedment in concrete.
The strain gauge operates on the principle that a tensioned wire, when plucked, vibrates at its resonant frequency. The square of this frequency is proportional to the strain in the wire.
The gauge consists of two end blocks with a tensioned steel wire between them. Around the wire is a magnetic coil which when pulsed by a vibrating readout or data logger interface plucks the wire and measures the resultant resonant frequency of vibration.
VW STRAIN GAUGE SPOT WELD VWS-2020
In stock
The VWS-2020 series vibrating wire strain gauges are designed primarily to measure strains on the surface of steel structures but may also be used on other types of material.
The gauge consists of two end blocks with a tensioned steel wire between them. The end blocks are attached to stainless steel tabs which may be attached to steel structures by spot welding or, using alternative end blocks, bonded or grouted.
Precision tensioning is carried out on site using a special tensioning jig and the gauge can be set for compression, tension or at mid-point.
VW STRAIN GAUGE STRAND ANCHOR VWS-2800
In stock
The VWS-2800 vibrating wire strain gauge is designed for the monitoring of strain along stranded anchors.
The gauge is housed within a robust cover to de-bond it from the surrounding grout and the specially-designed mounting blocks ensure the strain is transferred from the strand to the gauge. The low profile design means that multiple sensors can be installed along the bonded length of strand anchors.
SISTER BAR REBAR STRAIN METER VWS-4000
In stock
For measuring strain in a wide range of applications.
