Products : Custom Design : Shackle Load Cell Solutions : LCM3782 85te Tonsberg Telemetry Mooring Link Load Cell

LCM3782 85te Tonsberg Telemetry Mooring Link Load Cell

LCM3782 Long

Design Brief

The initial enquiry was received through our website from a multi-national marine engineering company, based in Canada. They had seen our standard TELSHACK-B product, but it did not suit their requirements precisely.

They liked the principle of a wireless telemetry shackle, but wanted to measure ship docking tension on a winch and the load cell had to handled by one person. This was hard to achieve with a conventional shackle, when the measurement range is 85te. A more compact solution was needed.

The main criteria we were given was as follows:-

  1. The load cell had to be a shackle style load cell
  2. It had to be light enough for a single operator to lift manually.
  3. The construction had to be robust for use in an offshore and heavy industrial environment.
  4. Full traceability was required on all materials.
  5. The solution had to be wireless, to eliminate trailing cables.

Features

  • Manufactured using a 180T Tonsberg Mooring Link
  • The pin was replaced with a stainless steel load pin
  • The wireless telemetry housing was constructed from stainless steel
  • Rubust construction, offering IP67 sealing.
  • A handheld battery powered display was supplied, with a gross/net facility
  • The complete system was supplied fully calibrated and issued with certificates, traceable to UKAS

Specification

Rated Load (RL):  85 tonne
Proof Load:  95 tonne
Ultimate Breaking Load:  >180 tonne
Output:  2.4GHz Wireless Radio Telemetry
Accuracy:  <±1% of Rated Load
Non-Repeatability:  <±0.1% of Rated Load
Transmission Range:  100 metres, clear line of sight
Power Supply:  2off Internal AAA rechargeable batteries
Battery Life:  200 hours of continuous use, between charges
Operating Temperature Range:  -20 to +60°C
Compensated Temperature Range:  -10 to +40°C
Zero Temperature Coefficient:  <±0.01% of Rated Load/°C
Span Temperature Coefficient:  <±0.01% of Rated Load/°C
Environmental Protection Level:  IP67

Downloads

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2D Drawing

LCM3782 dims

3D PDF Model

LCM3782

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Test Results

Calibration

Related Notes

The LCM3782 was designed using the standard wireless products used in our TELSHACK-B wireless shackle load cell as the basis of the product. Using our experience, which has been gained from more than 25 years experience in manufacturing load cells for harsh environments and with wireless telemetry incorporated, we were able to produce a product that met all of the customers requirements.

The LCM3782 is typical of many of the custom design products we manufacture, in that, our client identified a standard product from our range, which they thought would almost met their requirements. In discussing these requirements with our Engineers, we ensured it did.

LCM Systems offer a wide range of standard shackle load cells and also have an extensive selection of custom design versions, which could also be used to satisfy other applications. Many of these products are supplied with our TR150 handheld battery powered indicator, with built in analogue signal conditioningdigital outputs or with wireless telemetry.

We have manufactured shackle load cells based on many different shackle manufacturers' products, including; Crosby, Van-Beest, GN Rope to name a few.

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