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Brand: Bently Nevada
Bently Nevada 330180-50-00 3300 XL Proximitor, 5 m Panel
Description
330180-50-00: 3300 XL Proximitor Sensor, 5.0 m system, panel mount
The Bently Nevada 330180-50-00 is a 3300 XL Proximitor Sensor for 3300 XL 8 mm eddy-current proximity probes. It is the signal conditioner that drives the probe tip, reads the change in coil impedance caused by the shaft and returns a negative dc voltage proportional to probe-to-target gap. This version is built for a 5.0 m (16.4 ft) system length in the panel mount style and carries no agency approval option.
The ordering pattern is 330180-AA-BB. For 330180-50-00 the first pair, 50, selects 5.0 m total system length with panel mount; the second pair, 00, means no agency approval is required.
| Segment | Code | Meaning (from the ordering table) |
|---|---|---|
| 330180 | 330180 | 3300 XL Proximitor Sensor |
| A: total length and mounting | 50 | 5.0 m (16.4 ft) system length, panel mount |
| B: agency approval | 00 | Not required |
330180-50-00 technical specifications
| Parameter | Specification |
|---|---|
| Manufacturer / part number | Bently Nevada 330180-50-00 |
| Product | 3300 XL Proximitor Sensor for 3300 XL 8 mm probes |
| System length / mounting | 5.0 m (16.4 ft) including extension cable; panel mount |
| Agency approval option | 00 (not required) |
| Probe input | One non-contacting 3300 5 mm or 3300 XL 8 mm probe with extension cable |
| Supply voltage | -17.5 to -26 Vdc at 12 mA maximum; -23 to -26 Vdc when used with barriers |
| Supply sensitivity | Less than 2 mV output change per volt of supply change |
| Output resistance | 50 Ω |
| Linear range | 2 mm (80 mils), from about 0.25 to 2.3 mm (10 to 90 mils), roughly -1 to -17 Vdc |
| Recommended gap | About 1.27 mm (50 mils), roughly -9 Vdc |
| Incremental scale factor | 7.87 V/mm (200 mV/mil) ±5% including interchangeability error, measured in 0.25 mm steps from 0 to +45 °C |
| Deviation from best-fit line | less than ±0.025 mm (±1 mil) with components at 0 to +45 °C |
| Frequency response | 0 to 10 kHz, +0/-3 dB, with up to 305 m of field wiring |
| Field wiring | 0.2 to 1.5 mm² (16 to 24 AWG), three-conductor shielded triad recommended, up to 305 m (1,000 ft) to the monitor |
| Minimum target / shaft | 15.2 mm (0.6 in) flat target; shaft 50.8 mm (2 in) minimum, 76.2 mm (3 in) recommended |
| Sensor operating temperature | -52 to +100 °C (-62 to +212 °F); storage -52 to +105 °C |
| Humidity | Less than 3% scale-factor change in 93% humidity per IEC 68-2-3 for up to 56 days |
| Sensor weight | 246 g (8.67 oz) |
How the 330180-50-00 turns gap into a voltage
The sensor drives the 3300 XL probe with a radio-frequency signal and watches how the target damps the probe coil. What comes out is a negative voltage proportional to gap: its dc level is the static position and its ac ripple is vibration. In the 5.0 m configuration the system reaches its tightest published tolerances, with a scale factor of 7.87 V/mm (200 mV/mil) ±5% and a best-fit-line deviation under 1 mil, which is why this standard length is the common choice for machinery protection channels.
330180-50-00 as the standard panel-mount unit: the common 5.0 m configuration
Code 50 is the 5.0 m system with traditional four-hole panel mounting. It shares the footprint of earlier Proximitor Sensor designs, so it is often fitted into existing enclosures and backplates where the original mounting holes are already drilled.
Probe and extension combinations that add to 5.0 m include a 1.0 m probe with a 4.0 m extension, a 1.5 m probe with 3.5 m, 2.0 m with 3.0 m, or a 5.0 m probe used alone. The datasheet states that the standard 3300 XL 8 mm 5 m system complies with API 670 for mechanical configuration, linear range, accuracy and temperature stability.
Related 3300 XL parts and family overview
The 330180-50-00 belongs to a four-way matrix of 3300 XL 8 mm Proximitor Sensors. Sibling parts are 330180-50-00 (5.0 m, panel mount), 330180-51-00 (5.0 m, DIN mount), 330180-90-00 (9.0 m, panel mount) and 330180-91-00 (9.0 m, DIN mount); the ordering table also lists 10, 11 and 12 for 1.0 m systems and 52 and 92 for 5.0 m and 9.0 m systems supplied without mounting hardware, plus option 05 for CSA, ATEX and IECEx approvals. Probes in the 330101 to 330106 families and the 330130 standard extension cable complete the chain.
| Part number | System length | Mounting |
|---|---|---|
| 330180-50-00 | 5.0 m (16.4 ft) | Panel mount |
| 330180-51-00 | 5.0 m (16.4 ft) | DIN mount |
| 330180-90-00 | 9.0 m (29.5 ft) | Panel mount |
| 330180-91-00 | 9.0 m (29.5 ft) | DIN mount |
Selection and ordering checklist for 330180-50-00
- Confirm the 5.0 m total of probe and extension cable
- Confirm panel mounting; the DIN equivalent is 330180-51-00
- Check whether four 6-32 UNC thread-forming screws are needed (supplied with the panel option)
- Choose connector protectors for probe and extension joints
- Confirm no agency approval is required, as option 00 is fitted
- Match the monitor input to the 3300 XL 200 mV/mil output
Installation, commissioning and maintenance of the 330180-50-00
Fix the sensor on its four screws, land the three-wire field cable in the SpringLoc strip and connect the ClickLoc connectors hand-tight. Because the base is isolated, the sensor housing does not need a separate insulating plate in a grounded enclosure.
At commissioning set the gap to around -9 Vdc, confirm the dc output moves linearly across the 0.25 to 2.3 mm range, and check dynamic output against a shaker or bump test where possible. Keep this part’s replacement as simple as unplugging the extension cable, swapping the sensor and rechecking the gap voltage.
- Keep a spare 330180-50-00 for stores because one part covers every 5 m XL 8 mm channel
- Silicone tape supplied with extension cables is not recommended in turbine-oil exposure
- Inspect connector protectors for cracks after heat cycles
- Tip-to-tip spacing guidance: about 40 mm axial and 38 mm radial
- Panel-mount mounting pad replacement is 138492-01
Typical applications in Oman and the GCC
In Oman and the GCC the 330180-50-00 is the workhorse sensor in vibration and position channels on pumps, motors, compressors and turbines in oil and gas, power generation, desalination and petrochemical plants. Panel-mount layouts are common where an existing backplate or cabinet already carries the four-hole pattern, and the 5 m length covers most machines where the cabinet is within a few metres of the bearing housing.
Information to send with an RFQ for 330180-50-00
- Part number 330180-50-00 and quantity
- Probe model and extension cable length for the 5.0 m total
- Machine type and number of channels
- Target material if not AISI 4140 steel
- Delivery location in Oman or the GCC and required date
Related Bently Nevada products: Bently Nevada 330105-02-12-10-02-05 3300 XL Probe, Bently Nevada 3300 XL Proximitor 330180-51-CN, Bently Nevada 3300 XL Proximitor 330180-50-05, Bently Nevada 125680-01 3500/40M Proximitor I/O Module, Bently Nevada 3300 XL Proximitor Sensor 330180-X0-05 and Bently Nevada 3300 XL Proximitor Sensor 330180-12-00.
Documents and quotation
The manufacturer datasheet for the 330180-50-00 is attached on this page under Documents, so wiring, ordering options and environmental limits can be checked before you order.
Mounting screws (04310310) and replacement pads are listed in the same accessory table. Seven Star LLC is an independent supplier based in Muscat; submit the part number, quantity and delivery location and we reply with availability and a quotation.
Other Models in the 3300xl Proximitor 8mm Range
Seven Star LLC supplies models from the 3300xl Proximitor 8mm range in Oman and the GCC. Compare the related models below and request a quote for the one that matches your application.
| Model | Category | |
|---|---|---|
| Bently Nevada 330180-51-00 3300 XL Proximitor, 5 m DIN | Vibration Monitoring | View details |
| Bently Nevada 330180-90-00 3300 XL Proximitor, 9 m Panel | Vibration Monitoring | View details |
| Bently Nevada 330180-50-00 3300 XL Proximitor, 5 m Panel | Vibration Monitoring | You are viewing this model |
Datasheets & Documents
- Datasheet Bently Nevada 330180-50-00 Datasheet Download
Reviews (0)
About brand
Bently Nevada is the American machinery protection and condition monitoring brand behind the 3500 rack, the 3300 XL proximity probe and the System 1 software. It was founded in 1961 in Minden, Nevada, and is today a Baker Hughes business.
Seven Star LLC is an independent supplier in Muscat. We list Bently Nevada monitors, I/O modules, probes, proximitors, velocity transducers and transmitters for rotating equipment in Oman and the GCC, and source them by full part number.
Bently Nevada company profile
| Established | 1961, Minden, Nevada, USA, by Donald E. Bently. The business started earlier as Bently Scientific in Berkeley, California (1956). |
|---|---|
| Known for | The first commercial eddy-current proximity transducers for measuring shaft vibration and position on high-speed turbomachinery |
| Ownership | Acquired by GE Energy in 2002; part of Baker Hughes since GE Oil & Gas combined with Baker Hughes in 2017 |
| Rack generations | 5000 series (from 1965), 3300 series (from 1988), 3500 series (from 1995), Orbit 60 (current platform) |
| Product families | Machinery protection racks, proximity probes and proximitors, Keyphasor sensors, velocity and acceleration transducers, 2-wire vibration transmitters, general-purpose monitors, portable analyzers, wireless sensors and System 1 condition monitoring software |
| Typical machines | Steam and gas turbines, centrifugal and reciprocating compressors, pumps, motors, generators, fans and gearboxes |
Milestones
- 1956: Donald E. Bently starts Bently Scientific in Berkeley, California.
- 1961: The company moves to Minden, Nevada, as Bently Nevada.
- 1965: The 5000 series monitoring system is introduced.
- 1988: The 3300 series follows.
- 1995: The 3500 machinery protection system is launched.
- 2002 and 2017: GE Energy acquires Bently Nevada; it becomes part of Baker Hughes in 2017.
Bently Nevada product series
| Series | Type | What it does |
|---|---|---|
| 3500 | Machinery protection rack | Continuous online protection with alarm and danger relays. Modules include the 3500/15 power supply, 3500/20 rack interface, 3500/25 Keyphasor, 3500/42M proximitor/seismic, 3500/50 tachometer, 3500/60 temperature, 3500/33 relay and 3500/92 communication gateway |
| 3500 recip modules | Reciprocating compressor monitoring | 3500/70M impulse velocity, 3500/72M rod position and 3500/77M cylinder pressure |
| Orbit 60 | Protection and monitoring platform | The current Bently Nevada platform for protection, condition monitoring and data integration with System 1 |
| 3300 XL 8 mm | Proximity transducer system | Probe, extension cable and proximitor sensor for radial vibration, thrust position and Keyphasor reference on fluid-film bearing machines; also 5 mm and 25 mm versions |
| 330500 Velomitor, 190501 Velomitor CT | Piezo-velocity sensors | Casing velocity on rolling-element bearing machines and low-speed cooling tower fans |
| 990 and 991 | 2-wire transmitters | 4-20 mA vibration (990) and thrust position (991) signals straight into a PLC or DCS, without a monitor rack |
| 1900/65A, 2300 | Compact monitors | Protection for balance-of-plant pumps, fans and motors where a full 3500 rack is not justified |
A proximity probe measures the gap to the shaft, so it sees shaft movement inside a fluid-film bearing directly. A velocity or acceleration sensor sits on the casing and suits rolling-element bearing machines. Critical turbomachinery usually carries two X-Y probes per bearing, two axial probes for thrust position and a Keyphasor probe for speed and phase.
Where Bently Nevada systems are used
In Oman and the GCC, Bently Nevada racks and probes protect gas turbines, compressors and steam turbines in gas processing, LNG, refining, petrochemical, power and desalination plants. Many installations are 3500 racks that have run for years, so most requests are for like-for-like module, probe, extension cable and proximitor replacements, plus upgrades to newer monitors.
Ordering and replacement: what we need
For probes and proximitors, send the full part number with all option digits (for example 330101-00-27-10-02-05). The digits set the probe length, cable length, connector and approvals, and the probe, cable and proximitor must match in total system length. For 3500 modules, send the module and I/O part numbers from the rack and say whether the I/O is internal or external termination, or barrier type. If a module is obsolete, we quote the replacement that Bently Nevada names and point out any configuration or firmware change.
Facts checked against Baker Hughes Bently Nevada pages and published company history, October 2026.
Browse Bently Nevada products by category: Vibration.
FAQ
Questions about the Bently Nevada 330180-50-00 3300 XL Proximitor, 5 m
Answers from our engineering team on installation, compatibility and integration.
01What does 330180-50-00 mean?
It follows the 330180-AA-BB pattern. Code 50 selects a 5.0 m system length with panel mounting, and 00 means no agency approval option.
02What is the range and scale factor of the 330180-50-00?
The linear range is 2 mm (80 mils) from about 0.25 to 2.3 mm, with a scale factor of 7.87 V/mm (200 mV/mil) ±5% for a 5 m system.
03Does a 5 m 3300 XL 8 mm system meet API 670?
The datasheet states that the standard 3300 XL 8 mm 5 meter system complies with API 670 for mechanical configuration, linear range, accuracy and temperature stability.
04Which extension cable lengths work with this sensor?
Probe plus extension must total 5.0 m. The 330130 extension options in the 5 m range are 3.0, 3.5, 4.0 and 4.5 m, paired with 2.0, 1.5, 1.0 and 0.5 m probes.
05How is the 330180-50-00 mounted?
It uses a four-hole panel mount with 6-32 UNC thread-forming screws, supplied with the panel option, and shares the footprint of older Proximitor designs.
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