

Hydraulic Center Hole Load Cell
Model ELC-31V Overview ELC-31V is a vibrating wire type center hole load cell used to determine the load in rock bolts, tieback anchors, etc. It is filled with fluid with a vibrating wire pressure sensor attached to it, to convert the load into a frequency output. A solid load cell for stress measurement in tunnel supports and struts is also available on request. Specifications
Description
Model ELC-31V Overview ELC-31V is a vibrating wire type center hole load cell used to determine the load in rock bolts, tieback anchors, etc. It is filled with fluid with a vibrating wire pressure sensor attached to it, to convert the load into a frequency output. A solid load cell for stress measurement in tunnel supports and struts is also available on request. Specifications
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Instrument Name
Center hole load cell
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Sensor Type
Vibrating wire, hydraulic
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Construction
Fluid filled with a vibrating wire pressure sensor attached
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Application
To measure compressive load, axial forces in struts, load testing in piles
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Parameter
Load/force
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Range
250/52, 500/52, 750/78, 1000/105, 1500/105, 2000/130, 2500/0 kN/mm (ID)
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Key Testing / Calibration
Accuracy test, Overload test
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Key Feature/Advantage
Hermetically sealed with electron beam welding, great resistance to extraneous forces, long fatigue life, protected against dust, moisture and adverse environmental conditions
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Protection (Waterproofing)
IP-68, water resistant up to 10 mwc
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Dimension (mm)
Depends on range
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