Excellent PLC
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Description
The 330780-51-00 is part of the Bently Nevada 3300 XL 11 mm Proximity Transducer System, specifically designed for non-contact measurement of shaft vibration and position. It delivers precise measurements with a scale factor of 3.94 V/mm (100 mV/mil) and supports applications requiring a longer linear range than the standard 8 mm probes.
Applications
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Axial (thrust) position monitoring
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Differential expansion in steam turbines
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Rod drop/rod position in reciprocating compressors
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Tachometer and zero-speed detection
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Keyphasor (phase reference) signals
Advantages
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Extended linear range up to 4.0 mm
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Highly robust ClickLoc and CableLoc connectors
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CE compliant with improved RFI/EMI immunity
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Flexible DIN or panel mounting options
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Field-replaceable components and easy installation
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Compatible with FluidLoc cable to resist fluid ingress
Technical Specifications
| Parameter | Value |
|---|---|
| System Type | 3300 XL 11 mm Proximitor Sensor |
| Part Number | 330780-51-00 |
| System Length | 5.0 meters |
| Output Scale | 3.94 V/mm (100 mV/mil) |
| Linear Range | 0.5 mm to 4.5 mm |
| Extended DSL Range | 0.5 mm to 5.0 mm |
| Frequency Response | 0 to 8 kHz |
| Power Supply | -17.5 Vdc to -26 Vdc |
| Output Resistance | 50 Ω |
| Operating Temperature (Sensor) | -52°C to +100°C |
| Operating Temperature (Probe) | -52°C to +177°C |
| Humidity | 100% condensing (non-submersible) |
| Mounting | DIN rail (standard for -51 variant) |
| Compliance | SIL 2/SIL 3, ATEX, IECEx, FCC, RoHS |
| Total Length | 5.0 meters |
| Weight | 0.255 kg |
FAQ
Q1: What is the primary use of the 330780-51-00 sensor?
A1: It is used for measuring vibration and shaft position on rotating machinery like turbines and compressors.
Q2: What is the advantage of using an 11 mm probe over an 8 mm one?
A2: The 11 mm probe offers a longer linear measurement range, suitable for large shaft diameters and more complex measurements.
Q3: Is the 330780-51-00 sensor compatible with older 7200-series systems?
A3: No. Upgrading requires replacing all components with 3300 XL series parts and updating the monitoring system.
Q4: Can it be mounted in any orientation?
A4: Yes. It supports both DIN rail and panel mounting options.
Q5: What kind of output does the sensor provide?
A5: It provides a voltage output of 3.94 V/mm (100 mV/mil) for displacement measurements.
Q6: Is it suitable for hazardous environments?
A6: Yes, it is certified for use in hazardous areas with multiple global approvals.
Q7: What precautions should be taken during handling?
A7: Although ESD protection is built-in, standard precautions against static discharge are recommended.
Q8: What is the recommended probe gap setting?
A8: The ideal probe gap is 2.5 mm (100 mils).
Q9: What is the maximum operating frequency?
A9: It supports up to 8 kHz frequency for accurate vibration measurements.
Q10: How much does the system weigh?
A10: The total system weight is approximately 0.255 kg.
Related Models (Same Series or Functional)
| Model No. | Description | Probe Size | Output Scale | Total Length | Weight |
|---|---|---|---|---|---|
| 330701-00-10 | 11 mm probe, 1/2-20 UNF, no armor | 11 mm | 3.94 V/mm | 1.0 m | ~0.18 kg |
| 330702-00-10 | 11 mm probe, 1/2-20 UNF, with armor | 11 mm | 3.94 V/mm | 1.0 m | ~0.56 kg |
| 330703-000-050 | 11 mm probe, M14x1.5, no armor | 11 mm | 3.94 V/mm | 5.0 m | ~0.25 kg |
| 330704-000-050 | 11 mm probe, M14x1.5, with armor | 11 mm | 3.94 V/mm | 5.0 m | ~0.56 kg |
| 330709-000-050 | 11 mm probe, M16x1.5, no armor | 11 mm | 3.94 V/mm | 5.0 m | ~0.25 kg |
| 330730-040-00 | 11 mm extension cable, standard, 4.0 m | N/A | N/A | 4.0 m | ~0.18 kg |
Popular Bently Nevada Models
| Model No. | Description | Function | Weight | Application |
|---|---|---|---|---|
| 3500/42M | Proximitor Seismic Monitor | Vibration/Seismic Monitoring | ~0.50 kg | Machine protection |
| 3500/22M | Transient Data Interface Module | Data acquisition | ~0.60 kg | System integration |
| 3500/25 | Keyphasor Module | Phase reference signal | ~0.40 kg | Shaft rotation detection |
| 3500/15 | Power Supply Module | Redundant power | ~0.70 kg | 3500 system power |
| 330104-00-06 | 8 mm Proximity Probe | Displacement sensing | ~0.15 kg | Compact installations |
| 330500 | XL NSv Proximitor Sensor | Small target applications | ~0.23 kg | Small shaft machinery |
