SF: Traction and compression forces, fishing

SF measures and records tractive forces in a fishing string, buoy moorings or any structure secured by a cable (aquaculture cages…). SF is waterproof down to 300m and shock resistant.

Down to 50 meters, data can be read underwater thanks to a waterproof Data Pencil, without removing the SF.

 Waterproof

 Easy to use

 Robust & Compact

Datasheet

Features and benefits

  • SF measures and records tractive forces in a fishing string, buoy moorings or any structure secured by a cable (aquaculture cages…).
    SF is shock resistant and waterproof down to 300m.
    Down to 50 meters, data can be read underwater thanks to a waterproof Data Pencil, without removing the SF. Fast wireless configuration and data collection thanks to a communication interface (Inductive Data Pencil) connected to the USB port of a PC using Winmemo software.
  • Examples of use

  • Optimization of fishing tows
  • Streamers tension monitoring
  • Technical data

  • Electronics: chip technology and quartz clock
  • Sampling rate: programmable from 0.01 second to 99 hours
  • Power supply: Lithium batteries moulded with circuits – Lifetime > 3 years (storage temperature <30°C)
  • Autonomy: 99 days at 0.1 sampling rate / 30 months at 1s sampling rate
  • Memory: 600 000 measures – 4Mo RAM with data compression / Possibility to record min, max or average data.
    Measurement rate 1s, maximum resolution, strong signal variation: >100 hours with continuous measurement (NORMAL mode), > 3 years by measuring the average, the minimum and the maximum every 15mn.
  • Trigger measurements: Manual, automatic with threshold or on date… (various on/off modes available).
  • Calibration: with two points
  • Stop: when memory is full
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