Hydraulic Centre Hole Load Cell

This is a vibrating wire type centre 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.


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
Temperature effect ± 0.06% fs/° C
Thermistor YSI 44005 or equivalent
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Equipment Rental

GDS has a variety of instruments for hire, these Instruments, Readouts and Dataloggers are available for product hire on a short-term (fortnightly) or long-term (monthly) basis including, but not limited to, the following:

  • Load cells
  • Tilt meters
  • Manual Readout units
  • Dataloggers
  • Tiltmeters
  • Inclinometers