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Geotechnical load cells TOR-IDRA/T

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The toroidal hydraulic load cell TOR-IDRA/T is made by two steel plates of a circular shape, with a central hole to allow the passage of the strands, turned and welded together in such a way as to create a cavity filled with a special oil and connected to a electric transducer which transforms every variation of pressure applyed to the cell in a variation of the electric signal with standard 4-20 mA output.

Model FS (t) A (mm) B (mm)
1 100 115 265
2 150 150 320
3 220 210 405


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Geotechnical load cells TOR-IDRA/T Geotechnical load cells TOR-IDRA/T Schema

Technical Specifications

MaterialStainless steel with corrosion protection
Nominal load100, 150, 220 t
Supply voltage8 - 32 V dc
Output4 - 20 mA (2 wires)
Linearity0,25 % of full scale
Operating temperature-40 / +100C (-40 / +212F)
Protection classIP 67
Sensor typePiezoresistive
Sensor bodyStainless stees AISI 303
For the complete and latest technical specifications, please refer to the technical data sheet which can be downloaded here:
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General precautions to be followed in the installation and assembly of load cells:

  • Follow the direction of application of force on the load cell
  • Do not exceed the limits of the temperature as indicated in the data sheet
  • Do not remove labels from the load cell
  • Adequately protect the cables with sleeves or channels
  • Carry out on each load cell a ground connection with suitable cable, shunt on mounting accessories
  • Do not carry out any welding on the mechanical structure after mounting the load cell
  • Avoid or reduce to a minimum level any mechanical constraints between the rigid structure and the weighing structure to avoid error in weighing and return to zero
  • In case of vibration or dynamic loads product the load cells with puffers / shock absorbers
  • Protect load cell from any dust accumulation with any appropriate means