Load cells operate under 10m of water
An
Applied Measurements product story
Edited by the Engineeringtalk editorial team
Jun 17, 2008
With its low deflection and high natural frequency, the DDEN is particularly well suited to cable tension monitoring, marine and offshore applications, mooring lines and material testing.
The DDEN series of load cells from Applied Measurements measures tensile or compressive forces in underwater locations up to 10m deep.
The unit can be customised to operate in greater depths.
Even at the top end of the capacity rating of 50kN, the unit dimensions do not change, with a diameter of 44mm and a length of 65mm.
The DDEN is protected to IP68 and is constructed from stainless steel.
Operating temperatures are from - 20 up to +80C and measurement capacities are from 250N up to 50kN.
With its low deflection and high natural frequency, the DDEN is particularly well suited to cable tension monitoring, marine and offshore applications, mooring lines and material testing.
Peter Lewis, Managing Director at Applied Measurements Limited said: "The DDEN series was originally developed for a marine customer in Italy, who needed to measure the precise mooring tension of buoys in the sea, as part of a wave energy research project".
"With a small, quick and cost-effective re-design of our existing DDE style load cell, we changed the construction to stainless steel, with the two halves locking together with a seal".
"Internally, the unit was further protected by back-filling with an inert waterproof gel".
"The electrical termination is a tough IP68 multicore cable that is connected through an IP68 cable gland in order to provide fully-submersible sealing".
Applications include mast stays on racing yachts, which must be kept tuned to a very high level at all times.
In the water industry, underground pipes need to be cleared of any obstacles or blockages.
A 'pig' is often sent down the pipe and pulled through on a line to clear the obstacles.
The tension of this line is critical, requiring load cells.
The DDEN series comes with integral male threads for in-line mounting.
This enables the load cell to be mounted in a wide variety of applications where conventional load cells such as S-Beams will not fit.
The DDEN can be supplied with monitoring and control electronics and calibrated as a system.
Other options available include nonstandard sizes, spherical seating rod end bearings, female adapters and compression fittings.
The DDEN comes with a three-year warranty.
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Contact Applied Measurements
Tel +44 118 981 7339
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