Bently Nevada 330180 Series Proximitor Sensors

Technical Dossier

Product Details And Specifications

Bently Nevada 330180 Series Technical Notes

The Evolution of 330180 Series Architecture

The 330180 series was introduced as part of Bently Nevada's 3300 XL platform, succeeding the earlier 3300 series (7200 and 3300/5mm probe families) that dominated installations from the 1970s through the 1990s. The 3300 XL architecture standardized on a 5mm eddy-current probe tip with a defined gap voltage range of –10 VDC (near) to –18 VDC (far), operating on a –24 VDC supply rail. The 330180 Proximitor enclosure integrates the oscillator-demodulator circuit that was previously housed in a separate rack-mount module in older architectures, reducing wiring complexity and improving signal integrity in high-EMI environments.

Compatibility across generations is a documented field challenge. The 330180 series is electrically compatible with 3300 XL monitors (3300/16, 3300/20, 3300/25, 3300/46, 3300/55) but requires careful cable length matching with the 330130 and 330140 extension cable families to maintain system scale factor accuracy. Installations migrating from the legacy 7200 series must account for differing gap voltage curves and recalibrate trip setpoints. As of 2024, the 330180 series is classified by Baker Hughes (Bently Nevada's parent) as a mature/sustaining product, with active spare parts support confirmed through authorized service channels, though new system designs are directed toward the 3500 series platform.

330180 Full Catalog & Functionalities (SKU List)

The following SKUs represent the verified 330180 series product range, organized by cable length and connector configuration. Each unit is a self-contained Proximitor sensor assembly (probe + extension cable + Proximitor):

330180-12-CN: 5mm Proximitor, 12-inch armored cable, standard connector, –24 VDC supply
330180-12-00: 5mm Proximitor, 12-inch cable, bare-end termination, general industrial
330180-24-CN: 5mm Proximitor, 24-inch armored cable, standard connector configuration
330180-24-00: 5mm Proximitor, 24-inch cable, bare-end, flexible conduit routing
330180-36-CN: 5mm Proximitor, 36-inch armored cable, connector, extended reach installations
330180-36-00: 5mm Proximitor, 36-inch cable, bare-end, field-terminated applications
330180-48-CN: 5mm Proximitor, 48-inch armored cable, connector, deep-bearing access
330180-48-00: 5mm Proximitor, 48-inch cable, bare-end, custom conduit routing
330180-60-CN: 5mm Proximitor, 60-inch armored cable, connector, long-reach turbine housings
330180-60-00: 5mm Proximitor, 60-inch cable, bare-end, field-wired panel termination
330180-90-CN: 5mm Proximitor, 90-inch armored cable, connector, large frame compressor trains
330180-90-00: 5mm Proximitor, 90-inch cable, bare-end, extended conduit runs
330180-12-CN-02: 5mm Proximitor, 12-inch cable, high-temperature variant, up to 177°C ambient
330180-24-CN-02: 5mm Proximitor, 24-inch cable, high-temperature variant, steam turbine proximity
330180-36-CN-02: 5mm Proximitor, 36-inch cable, high-temperature variant, hot section bearing monitoring
330180-48-CN-02: 5mm Proximitor, 48-inch cable, high-temperature, gas turbine compressor end
330180-60-CN-02: 5mm Proximitor, 60-inch cable, high-temperature, large-frame gas turbine HP shaft

Sourcing Hard-to-Find & Obsolete 330180 Series Parts

For variants no longer available through standard distribution channels, DriveKNMS sources from certified secondary market suppliers and performs incoming inspection against Bently Nevada factory specifications before dispatch. All units are supplied with full traceability documentation. Customers operating under API 670 compliance requirements are advised to request calibration certificates and gap voltage verification reports, which DriveKNMS provides as standard for critical service applications.