Bently Nevada 330930-040-02-00 3300 NSv Extension Cable, 4.0 meters long with stainless steel armor, designed for precision radial and axial vibration measurements in restricted-space applications.
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The Bently Nevada 330930-040-02-00 3300 NSv Extension Cable is a precision-engineered cable designed to support the 3300 XL NSv Transducer System in environments where space constraints, such as counter bore, sideview, or rearview restrictions, limit the use of standard 3300 and 3300 XL 5 and 8 mm Transducer Systems. Its compact design allows for accurate measurements on small targets, including shafts smaller than 51 mm (2 in) in diameter or flat targets under 15 mm (0.6 in).
Constructed with a flexible AISI 302 stainless steel cable and optional FEP jacket, this cable provides durability and reliability under extreme operating and storage temperatures ranging from -52°C to +177°C (-62°F to +351°F). The extension cable features a stainless steel armor for added mechanical protection and ensures precise signal transmission with a center conductor resistance of 0.220 Ω/m (0.067 Ω/ft) and a shield resistance of 0.066 Ω/m (0.020 Ω/ft). Typical cable capacitance is 69.9 pF/m (21.3 pF/ft).
The 330930-040-02-00 extension cable operates with a -24 Vdc power supply and a load requirement of 10 kΩ, ensuring reliable communication with Bently Nevada-supplied AISI 4140 steel targets of 31 mm (1.2 in) diameter or larger. It enables radial vibration, axial (thrust) position, tachometer, zero speed, and phase reference (Keyphasor) measurements on fluid-filmed bearing machines where smaller shafts or reduced side-view access is present.
This cable also provides an upgrade path for existing installations. Systems currently using 3300 RAM or 3000/7000-series 190 Transducer Systems can transition to the 3300 XL NSv platform, utilizing the extension cable along with NSv Proximitor Sensors. The 330930-040-02-00 extension cable ensures seamless integration, long-term reliability, and precise monitoring performance in demanding industrial environments.
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