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Product Overview
The Bently Nevada 330780-52-00 is part of the 3300 XL 11 mm Proximity Transducer System, designed for precise non-contact vibration and displacement measurements in machinery with fluid film bearings. It includes a proximity probe, extension cable, and Proximitor sensor. The 11 mm tip allows for a longer linear range, making it ideal for demanding axial and radial measurements.
Technical Specifications
| Parameter | Value |
|---|---|
| System Length | 5.0 meters |
| Weight | 0.255 kg (typical Proximitor Sensor) |
| Frequency Range | 0 to 8 kHz |
| Output Sensitivity | 3.94 V/mm (100 mV/mil) ±10% |
| Linear Range | 0.5 mm to 4.5 mm (20 to 180 mils) |
| Extended Range | 0.5 mm to 5.0 mm (20 to 200 mils) |
| Power Supply | -17.5 Vdc to -26 Vdc |
| Operating Temp (Probe) | -52°C to +177°C |
| Operating Temp (Sensor) | -52°C to +100°C |
| Minimum Shaft Diameter | 152 mm (6.0 in) |
| Minimum Target Size | 30.5 mm (1.2 in) |
| Connector Type | Miniature coaxial ClickLoc (gold-plated brass) |
| Mounting Option | No mounting hardware (option 52) |
Applications
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Axial (thrust) position monitoring
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Ramp differential expansion in steam turbines
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Rod position and rod drop in reciprocating compressors
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Keyphasor phase reference and tachometer signals
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Machinery protection and condition monitoring systems
Key Advantages
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Extended Linear Range: Ideal for applications needing more than 4 mm measurement span
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High Reliability: Enhanced environmental protection and RFI/EMI immunity
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Modular Design: Easy replacement of components within the 3300 XL series
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Flexible Mounting: Supports DIN rail or panel mount
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Secure Connectivity: Patented ClickLoc and CableLoc connectors with high pull strength
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Robust Performance: Proven operation in harsh industrial environments
Frequently Asked Questions (FAQ)
Q1: What is the main purpose of the 330780-52-00 Proximitor Sensor?
A1: It measures non-contact vibration and displacement, especially in axial and radial applications.
Q2: Can I use this sensor to upgrade a 7200 series system?
A2: Yes, but you must replace all components and potentially update your monitoring system configuration.
Q3: What is the recommended gap setting?
A3: 2.5 mm (100 mils) for optimal performance.
Q4: Is it compatible with Keyphasor applications?
A4: Yes, it supports phase reference signals like Keyphasor.
Q5: What environments is it certified for?
A5: It has hazardous area certifications including ATEX, IECEx, and Class I Division 2 approvals.
Q6: How does it handle EMI/RFI noise?
A6: It has built-in shielding and design enhancements for excellent EMI/RFI immunity.
Q7: What is the sensor’s output scale factor?
A7: 3.94 V/mm (100 mV/mil) ±10% within the linear range.
Q8: Is the sensor affected by ambient magnetic fields?
A8: Minimal; designed to tolerate up to 300 Gauss with negligible signal deviation.
Q9: Does it support armored extension cables?
A9: Yes, both standard and armored extension cables are available with or without FluidLoc.
Q10: What is the minimum recommended shaft size for accurate readings?
A10: At least 152 mm (6.0 inches) diameter to minimize cross-talk.
Related Models from the Same Series
| Model Number | Description | Length | Weight |
|---|---|---|---|
| 330701-00-50-10-00 | 11 mm Probe, ½-20 UNF, no armor | 5.0 m | ~0.25 kg |
| 330702-00-50-10-00 | 11 mm Probe, ½-20 UNF, with armor | 5.0 m | ~0.56 kg |
| 330703-000-050-10-00 | 11 mm Probe, M14 x 1.5, no armor | 5.0 m | ~0.25 kg |
| 330704-000-050-10-00 | 11 mm Probe, M14 x 1.5, with armor | 5.0 m | ~0.56 kg |
| 330730-040-00-00 | Extension Cable, 4 m, standard cable | 4.0 m | ~0.18 kg |
| 330780-51-00 | 3300 XL Proximitor Sensor, DIN mount | 5.0 m | 0.255 kg |
Popular Bently Nevada Models
| Model Number | Description | Key Specs |
|---|---|---|
| 3500/42M-01-00 | Proximitor Seismic Monitor | 4-channel, dynamic/static input |
| 3500/22M | Transient Data Interface | Collects high-speed transient data |
| 3500/32M | 4-Channel Relay Module | Configurable relays for alarms |
| 330104-00-05-10-02-00 | 8 mm Proximity Probe, ClickLoc | 5.0 m length, armored option available |
| 330180-91-CN | 3300 XL 8 mm Proximitor Sensor | DIN mount, 5 m length |
| 330850-50-05 | 5 mm Proximity Probe | 5.0 m, unarmored, with ClickLoc |
