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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.

Hydraulic Center Hole Load Cell ELC-31V

  • Range (kN)/ID (mm) 250/35, 500/52, 750/78, 1000/105, 2000/130, 2500/0
    Overload 110 % fs
    Calibration accuracy ± 1 % fs
    Non-linearity ± 2 % fs from 10% to full range
    Temperature limit -10° to 50°C
    Temperature effect ± 0.06% fs/° C
    Thermistor YSI 44005 or equivalent
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