Bently Nevada 330180-91-00
$550.00
Condition: New – Open Box
5 in stock
Bently Nevada 330180-91-00: 3300 XL 5mm & 8mm Proximitor Sensor
The Bently Nevada 330180-91-00 is an eddy-current transducer signal conditioner engineered for continuous, non-contact measurement of radial vibration, axial thrust position, eccentricity, and phase reference (Keyphasor) on critical industrial rotating machinery. As a core component of the industry-standard 3300 XL Series Monitoring System, this Proximitor sensor converts the high-frequency RF impedance variations generated by shaft proximity into a proportional, linear DC output voltage.
Configured for 9.0-metre total electrical system lengths with integrated 35mm DIN-rail mounting hardware, the 330180-91-00 provides high RFI/EMI immunity without external shielding enclosures. It provides a standardized 7.87 V/mm (200 mV/mil) scale factor when calibrated against AISI 4140 standard ferromagnetic steel targets, operating reliably in harsh marine propulsion, turbomachinery, and power generation environments.
Model Configuration
- Base Part Number (MPN): 330180
- Total Length and Mounting Option (-AA): -91
- Agency Approval Option (-BB): -00 (Standard / Not Required)
- Full Order Number: 330180-91-00
Technical Specifications
| Parameter | Technical Specification |
|---|---|
| Supply Voltage Input | -17.5 Vdc to -26 Vdc (Requires regulated negative DC power supply) |
| Current Consumption | ≤ 12 mA nominal operating current |
| Scale Factor (Sensitivity) | 7.87 V/mm (200 mV/mil) ± 5% over linear operating range |
| Linear Range | 0.25 mm to 2.3 mm (10 mils to 90 mils) nominal air gap |
| Linear Center Gap Voltage | -10.0 Vdc nominal at 1.27 mm (50 mils) physical gap |
| Frequency Response | 0 Hz (DC) to 10 kHz; +0 dB, -3 dB typical (probe to sensor) |
| Output Impedance | 50 Ω nominal |
| Terminal Allocation | 3-Terminal Screw Block: [VT] Power Input (-24V), [OUT] Signal Output, [COM] Common Ground |
| Coaxial Connection | Female miniature ClickLoc coaxial connector (probe/extension cable input) |
| System Length Compatibility | 9.0 Metres (29.5 Feet) calibrated total electrical length |
| Mounting Type | Standard 35 mm DIN Rail (EN 50022 compliant) |
| Operating Temperature | -51 °C to +100 °C (-60 °F to +212 °F) |
| Storage Temperature | -51 °C to +105 °C (-60 °F to +221 °F) |
| Relative Humidity | 100% condensing, non-submerged when connectors are sealed |
| Enclosure / Body Material | Polybutylene Terephthalate (PBT) Thermoplastic |
| Dimensions (L x W x H) | 81.3 mm x 61.2 mm x 63.5 mm (3.20 in x 2.41 in x 2.50 in) |
| Net Weight | Approx. 245 grams (8.6 oz) |
Features:
- Active RFI/EMI Shielding: Meets IEC 61000-4-2 through 61000-4-6 requirements without dedicated conductive housing or isolated signal conditioners.
- Direct Interchangeability: Eliminates the need for field recalibration or component matching when paired with compatible Bently Nevada 3300 XL 5mm/8mm extension cables and probes of matching electrical system length.
- Robust DIN-Rail Mechanical Housing: Polybutylene terephthalate (PBT) thermoplastic body featuring integrated 35mm DIN mounting clips and zinc-plated grounding contacts.
Applications
- Marine Propulsion Systems: Main engine output shafts, reduction gearboxes, stern tube bearing vibration, and thrust pad axial clearances.
- Steam & Gas Turbines: Journal bearing radial displacement, differential thermal expansion, case expansion, and rotor thrust position.
- Centrifugal & Reciprocating Compressors: Crosshead vibration monitoring, continuous rod drop/position, dynamic vibration, and high-speed shaft unbalance.
- Boiler Feed Pumps & Auxiliaries: Fluid-film sleeve bearing radial load tracking and Keyphasor speed trigger inputs.
- Hydro Turbines & Generators: Continuous air gap measurement and low-speed shaft runout diagnostics.
Frequently Asked Questions
What does the 330180-91-00 part number designate?
The part number breaks down as follows: 330180 is the 3300 XL Proximitor Sensor base model; -91 specifies a 9.0-metre (29.5-foot) total electrical system length configured for standard 35mm DIN-rail mounting; -00 designates standard industrial manufacturing without regional hazardous agency certifications.
What is the difference between 330180-91-00 and 330180-51-00?
The key difference is the calibrated total electrical system length. The 330180-91-00 requires a 9.0-metre total system length (e.g., a 1.0m probe paired with an 8.0m extension cable), whereas the 330180-51-00 requires a 5.0-metre system length (e.g., a 0.5m probe paired with a 4.5m extension cable). They cannot be interchanged without changing the field extension cables.
What target material is the 330180-91-00 calibrated for by default?
The sensor is factory calibrated to standard AISI 4140 low-alloy steel. If target shafts are manufactured from stainless steel, Inconel, monel, or non-ferrous metals, electrical runout and linear scale factor will deviate, requiring target-specific factor correction or custom factory calibration.
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