Macro Sensors introduces submersible LVDT position sensors

Offshore staff

PENNSAUKEN, New JerseyMacro Sensors has introduced a line of submersible LVDT position sensors for use as part of subsea measurement systems. Macro Sensors’ SSIR 937 Series LVDTs are designed for reliable measurement and feedback for continuous monitoring.

Offering repeatability in extreme pressure environments, the SSIR 937 Series submersible LVDT position sensors can withstand deepsea environments with external pressures to 5,000 psi. Inconel construction ensures that the submersible transmitters can meet life requirements of at least 20 years, even if the device is fully exposed to seawater at depths greater than 10,000 ft (3,048 m).

Depending upon the temperature, salinity, oxygen levels, and depths of the oil and gas fields, the LVDT is hermetically sealed and non-contacting. Designed for use in either pressure-balanced, oil-filled containers or directly in seawater, these, 0.94-in.-diameter (24-mm-diameter) sensors are available in ranges of 2 in. (50 mm), 3 in. (75 mm), or 4 in. (100 mm). Other ranges are available upon special request. 

SSIR 937 Series submersible LVDT position sensors also resolve the problem of getting a signal to the surface. To minimize the number of pressure-sealed connections and I/Os, a 4-20mA two-wire, loop-powered I/O is used. A 4-20mA I/O also minimizes noise over long transmission lines. Offsets can be made in the data acquisition system on the platform above.

05/22/2014

 

 

Macro Sensors has introduced a line of submersible LVDT position sensors for offshore use.

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