SSI-Series LVDT Position Sensor
Ideal for incorporation into a wide variety of subsea measurement systems
Nyckelfunktioner
- 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
- Welded connector also available
About the SSI Series Submersible LVDT position transmitters
Due to their extraordinary repeatability despite variations in pressure and temperature, the 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.
Some typical applications include monitoring structural movement for long-term FEA (Finite Element Analysis) of pipelines, derricks, moorings and other critical high stress members on offshore oil platforms. SS Series LVDTs are designed for use in either pressurebalanced, oil-filled containers or directly in seawater.
Key features SSI-Series
- High pressure Seacon-Brantner subsea connector standard
- Available in either inline axial or radial connector configurations
Applications for SSI-Series
- Off-shore drilling platforms
- Pipeline monitoring
- Choke valves
- ROV and exploration
- Mooring cables
- Extensometers
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Prata med en expertTekniska specifikationer
| Specifikation | Värde |
|---|---|
| Ip rating | IP69K |
| Measurement range | 50.8 to 203.2mm |
| Non-linearity | ±.1% FR |
| Operating pressure | 5000 PSIG |
| Operating temperature | -30 to 80°C |
| Proof pressure | 7500 PSIG |
| Shock survival | 100g |
| Vibration tolerance | 20g to 2kHz |
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XS-B Series LVDT Position Sensor
- Compact AC-operated model
- 0.250” [6.35mm] max diameter
- Threaded mount version available (XS-BG)
XS-C Series LVDT Position Sensor
- High pressure sealed AC-operated model
- Sealed 304 Series stainless steel housing
- High pressure and temperature operation
XS-D Series LVDT Position Sensor
- Compact AC-operated model
- Superior stroke-to-length ratio
- Stroke ranges from ±1 to ±10 inches