Tension measurement with a subsea load cell.

Consultation on the design and manufacturing of immersible force sensors for a military application.

These sensors measure and display the tension forces applied to slings designed to hold a submarine launching ramp in place.

mesure des efforts de traction au travers d'un capteur de force submersible

1st step: Description of customer requirements

Features:

  • Capacity : 200 kN
  • Permissible overload : 300 kN
  • Accuracy : 0,25%
  • Resolution : 0,1 kN
  • Dimensions : According to the following sketch
  • Protection class : IP68 10 bars (sea water)
  • Material : Stainless steel for marine use
  • Display : Display behind a glass
  • Supply : Battery
  • Operating autonomy : 25 hours
  • Autonomy off : 1500 hours
  • On/off : By button accessible from exterior
  • No tare loss if power off
mesure des efforts de traction au travers d'un capteur de force submersible

2nd step: SENSY design (3D analysis + approval drawing for the customer before machining)

These features are in accordance with those requested:

  • Dimensions : According to the following drawing
  • Display : 4,5 digits (10 mm)
  • Power : 9V alkaline battery (pp3)
  • On/off button : ILS lever and switch
  • Material : Stainless steel close to 316L
  • Weight : 33 kg
  • Calibration : In 10 points
  • Delivery time for : 8 to 10 weeks after receipt of approval

Step 3: Manufacturing

mesure des efforts de traction au travers d'un capteur de force submersible