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Due to their extraordinary repeatability despite variations in pressure and temperature, Macro Sensors SS 937 Series submersible LVDTs are ideal for incorporation into a wide variety of subsea measurement systems.
These rugged, .94 inch [nom.] (24 mm) diameter sensors are available in standard ranges of 2.00 inches (50 mm), 3.00 inches (75 mm) or 4.00 inches (100 mm), although other ranges are available at special request. To withstand deep-sea environments with external pressures to 5000 psi, SS Series LVDTs are constructed of Inconel. Inconel enhances the already high-reliability of the LVDT assembly, ensuring that it can meet service life requirements of at least 20 years, even if the device is fully exposed to seawater. SS Series LVDTs also resolve the problem of getting a signal back to the surface, even at great water depths. To minimize the number of pressure sealed I/O connections and to minimize noise over long transmission lines, a 4-20 mA two-wire, loop-powered I/O is utilized. Offsets can be easily made in the data acquisition system on the platform above. Electrical termination is through a high pressure axial or radial Seacon-Brantner subsea connector.
Long term reliability (20+ years)
Inconel construction standard
High pressure applications (to 5,000 psi)
4-20mA two-wire, loop-powered I/O
Non-linearity of ±0.10% of FRO or better
High pressure Seacon-Brantner subsea connector standard
Available in either inline axial or radial connector configurations
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