Bently Nevada 330104-02-19-10-01-00 – High-Precision Eddy-Current Proximity Transducer | 3300 XL Series Platform
Engineering Background
The Bently Nevada 3300 XL Proximity Transducer System is the industry benchmark for continuous, non-contact shaft vibration and position measurement in rotating machinery. Engineered to API 670 standards, this system delivers sub-micron resolution across demanding industrial environments — from gas turbines and steam turbines to centrifugal compressors and large pumps.
Product Positioning
The 330104-02-19-10-01-00 is a complete, factory-matched proximity transducer system comprising a probe, extension cable, and Proximitor® sensor. It is designed for direct integration with Bently Nevada 3500 Series machinery protection racks and System 1® condition monitoring software, making it the preferred choice for procurement engineers specifying OEM-equivalent replacement or greenfield installation.
Complete Technical Specifications
| Part Number | 330104-02-19-10-01-00 |
| Series / Platform | Bently Nevada 3300 XL |
| Transducer Type | Eddy-Current (Non-Contact) Proximity Transducer |
| Probe Tip Diameter | 5 mm (0.197 in) |
| Linear Range | 0 – 200 mil (0 – 5.08 mm) |
| Scale Factor | 200 mV/mil (7.87 V/mm) |
| Frequency Response | DC – 10,000 Hz (–3 dB) |
| Supply Voltage | –24 VDC (nominal) |
| Temperature Range (Probe) | –35 °C to +177 °C (–31 °F to +351 °F) |
| Temperature Range (Proximitor) | –35 °C to +85 °C (–31 °F to +185 °F) |
| Extension Cable Length | 19 ft (5.79 m) |
| Probe Cable Length | 10 ft (3.05 m) integral |
| Target Material | AISI 4140 Steel (standard); other alloys per calibration |
| Enclosure Rating | IP67 (Proximitor sensor) |
| Approvals / Certifications | FM, CSA, ATEX, IECEx (Zone 1 / Div. 1) |
| Compliance Standard | API 670 (5th Edition) |
| Weight | Approx. 220 g (complete system) |
| Connector Type | MIL-C-5015 bayonet (probe end); BNC (Proximitor output) |
| Output Signal | Analog voltage, –24 VDC bias |
Proven Application Environments
- Gas Turbines – Continuous radial shaft vibration monitoring per API 670 trip/alarm logic
- Steam Turbines – Differential expansion and eccentricity measurement at high-temperature bearing housings
- Centrifugal Compressors – X-Y proximity probe pairs for orbit analysis and rotor dynamic diagnostics
- Large Pumps & Fans – Thrust position monitoring and axial displacement protection
- Gearboxes – Gear mesh frequency analysis and lateral vibration trending
- Petrochemical & Refinery Plants – Hazardous area (Zone 1 / Div. 1) certified installations
- Power Generation – Integration with DCS/SCADA via Bently Nevada 3500 rack I/O modules
Engineering Advantages
- Factory-Matched System – Probe, cable, and Proximitor® sensor are calibrated as a matched set, eliminating field calibration errors and ensuring traceability
- Extended Frequency Bandwidth – DC to 10 kHz response captures sub-synchronous, synchronous, and high-frequency vibration components in a single channel
- API 670 Compliance – Meets all requirements for machinery protection systems in critical rotating equipment per the 5th Edition standard
- Hazardous Area Certification – FM, CSA, ATEX, and IECEx approvals allow direct installation in Zone 1 / Division 1 classified areas without additional barriers
- High-Temperature Probe – Rated to +177 °C, suitable for bearing housing installations adjacent to high-temperature process streams
- Plug-and-Play Compatibility – Direct replacement for existing 3300 XL installations; compatible with Bently Nevada 3500/40M, 3500/42M, and 3500/45 monitor modules
- Robust IP67 Proximitor – Sealed enclosure withstands wash-down, condensation, and outdoor exposure without signal degradation
System Architecture & Signal Flow
The 330104-02-19-10-01-00 operates as a three-component eddy-current measurement chain:
- Probe (330104) – Generates a high-frequency electromagnetic field (1.0 MHz oscillator) at the 5 mm tip. As the conductive target (shaft) moves within the linear range, eddy currents induced in the target surface alter the probe’s impedance.
- Extension Cable (02-19) – A precision-matched, low-loss coaxial cable (19 ft) transmits the demodulated signal from the probe to the Proximitor® sensor. Cable length is factory-matched to maintain system scale factor accuracy.
- Proximitor® Sensor (3300 XL) – Demodulates the oscillator signal into a DC-coupled analog voltage output (–24 VDC bias, 200 mV/mil scale factor). The output is directly compatible with Bently Nevada 3500 Series monitor inputs and standard DCS analog input cards (4–20 mA via external converter if required).
Signal output is a negative-going DC voltage: at 0 mil gap the output is approximately –2 VDC; at 200 mil gap the output is approximately –18 VDC. This polarity convention is consistent across all 3300 XL system components.
Sourcing & Quality Verification
- OEM Traceability – All units sourced through authorized Bently Nevada / Baker Hughes distribution channels or verified surplus with full documentation
- Pre-Shipment Inspection – Each system undergoes dimensional verification, connector integrity check, and cable continuity test before dispatch
- Documentation Package – Certificate of conformance, calibration data sheet, and original packaging available upon request
- Warranty – 12-month warranty against manufacturing defects; replacement or full refund policy
- Export Compliance – EAR99 classification; no export license required for most destinations
Procurement Process
- Confirm part number 330104-02-19-10-01-00 against your BOM or existing installation drawing
- Verify target material (default calibration: AISI 4140 steel) — contact us if your shaft material differs
- Submit RFQ via support@konmask.com or place order directly on Konmask.com
- Lead time: In-stock units ship within 1–3 business days; ETA confirmation provided at order acknowledgment
- Freight options: DHL Express, FedEx International Priority, sea freight for bulk orders
Technical FAQ
Q: Can this system be used with a non-Bently Nevada monitor?
A: Yes. The analog output (–24 VDC bias, 200 mV/mil) is compatible with any monitor accepting a standard proximity probe input. Verify input impedance ≥ 10 kΩ and supply voltage capability of –24 VDC.
Q: What is the difference between 330104 and 330105 probes?
A: The 330104 uses a 5 mm tip diameter; the 330105 uses an 8 mm tip diameter with a wider linear range (0–400 mil). Selection depends on available installation space and required measurement range.
Q: Is the extension cable length fixed?
A: The cable length is encoded in the part number (“19” = 19 ft). Changing cable length requires a different part number to maintain scale factor accuracy. Do not splice or extend cables in the field.
Q: Can I replace only the probe without replacing the full system?
A: Bently Nevada recommends replacing the complete matched system (probe + cable + Proximitor) to maintain calibration traceability. Individual component replacement is possible but requires field recalibration.
Q: What certifications are required for Zone 1 installation?
A: This system carries FM, CSA, ATEX, and IECEx certifications for Zone 1 / Division 1 hazardous areas. No additional safety barriers are required when used within the certified system configuration.
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