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Bently Nevada
Bently Nevada 3300 XL 25 mm Proximity Transducer System
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Bently 3300 XL 25 mm: 12.7 mm linear; 0.787 V/mm ASF; −17.5…−26 Vdc. RFQ.
Download datasheet PDF
RFQ cart holds BOM lines only. Submit for engineering quote.
Key parameters
Measuring range
Linear range 12.7 mm (500 mils); approx. 0.63–13.33 mm (25–525 mils) from target yielding approx. −1.5 to −11.5 Vdc
Accuracy
Average Scale Factor (ASF) 0.787 V/mm (20 mV/mil) nominal; DSL less than ±0.31 mm (±12 mils)
Output
Proximitor voltage output; SpringLoc field wiring
Supply
−17.5 to −26 Vdc without barriers at 12 mA max; −23 to −26 Vdc with barriers
Approvals
CE
Sensor type
3300 XL 25 mm eddy-current proximity transducer system (probe + extension cable + Proximitor Sensor) for differential expansion
Fits large-gap eddy-current proximity where you need a Bently Nevada 3300 XL 25 mm system. Probe plus extension cable and Proximitor with 12.7 mm (500 mils) linear range, average scale factor 0.787 V/mm (20 mV/mil) nominal, DSL under ±0.31 mm, and −17.5 to −26 Vdc supply without barriers at 12 mA max.
Key advantages
- Linear range — 12.7 mm (500 mils)
- ASF — 0.787 V/mm (20 mV/mil) nominal
- DSL — Less than ±0.31 mm (±12 mils)
- Supply — −17.5 to −26 Vdc (no barriers)
- Wiring — SpringLoc field terminals
Typical applications
- Large-gap shaft proximity.
- Differential expansion.
- Turbomachinery monitoring.
Selection guide
- System length
- Barrier needs
- Target material
Common mistakes
- Wrong gap.
- Barrier voltage mismatch.
- Ignoring DSL window.
When to RFQ / what to tell us
- Length/options.
- Quantity, ship-to.
Request a Quote · Get selection help
Specs
| Spec | Value |
|---|---|
| SKU | 47979 |
| Brand | Bently Nevada |
| Model | 3300 XL 25mm Proximitor Sensor |
| Product type | Proximity Transducer |
| Measuring range | Linear range 12.7 mm (500 mils); approx. 0.63–13.33 mm (25–525 mils) from target yielding approx. −1.5 to −11.5 Vdc |
| Accuracy | Average Scale Factor (ASF) 0.787 V/mm (20 mV/mil) nominal; DSL less than ±0.31 mm (±12 mils) |
| Output signal | Proximitor voltage output; SpringLoc field wiring |
| Supply voltage | −17.5 to −26 Vdc without barriers at 12 mA max; −23 to −26 Vdc with barriers |
| Sensor type | 3300 XL 25 mm eddy-current proximity transducer system (probe + extension cable + Proximitor Sensor) for differential expansion |
Documents
FAQ
Q: Linear range? A: 12.7 mm (500 mils).
Q: ASF? A: 0.787 V/mm nominal.
Q: What should I send for a quote? A: Length/options, quantity, ship-to.
Links
| Parameter | Value |
|---|---|
| Measuring range | Linear range 12.7 mm (500 mils); approx. 0.63–13.33 mm (25–525 mils) from target yielding approx. −1.5 to −11.5 Vdc |
| Accuracy | Average Scale Factor (ASF) 0.787 V/mm (20 mV/mil) nominal; DSL less than ±0.31 mm (±12 mils) |
| Output | Proximitor voltage output; SpringLoc field wiring |
| Supply | −17.5 to −26 Vdc without barriers at 12 mA max; −23 to −26 Vdc with barriers |
| Approvals | CE |
| Sensor type | 3300 XL 25 mm eddy-current proximity transducer system (probe + extension cable + Proximitor Sensor) for differential expansion |
| Notes | Specs from Baker Hughes/Bently Nevada 163236 Rev.M. Distinct from 50 mm system (SKU 47983). |
| Probe Temperature | Operating −35 to +120 °C typical probe band in specs; probe tip PEEK; short-term high-temp options to 200 °C / intermittent 250 °C per datasheet |
| Proximitor Temperature | Operating −51 to +100 °C class (3300 XL family); thin DIN-rail or panel mount |
| Target Material | Factory calibrated to AISI 4140 steel; other materials on request |
| Minimum Target | 61 mm (2.4 in) diameter or larger recommended |
| Rfi Immunity | Improved RFI/EMI for CE mark without special mounting |
| Document | Datasheet 163236 Rev. M |
| Application | Differential expansion on mid-size to large steam turbine generators |