Product Overview
The Bently Nevada 330780-A51-CN is part von the 3300 XL 11 mm Proximity Transducer System. It includes a proximity probe, extension cable, and Proximitor Sensor for non-contact measurement von vibration and displacement, especially in high-performance applications like thrust position or rod drop measurements.
Key Applications
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Axial (thrust) position measurements
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Ramp differential expansion in steam turbines
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Rod drop/position on reciprocating compressors
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Tachometer or zero-speed detection
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Keyphasor (phase reference) signals
Product Advantages
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Extended linear range up to 4 mm
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DIN-rail or panel mount flexibility
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Enhanced RFI/EMI immStücky
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SpringLoc terminals for tool-free installation
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Rugged TipLoc and CableLoc designs
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CE-compliant for industrial use
Technical Specifications
| Parameter | Beschreibung |
|---|---|
| Modell | 330780-A51-CN |
| System Components | Probe, Extension Cable, Proximitor Sensor |
| Output Scale | 3.94 V/mm (100 mV/mil) |
| Frequency Range | 0 – 8 kHz |
| Linear Range | 0.5 to 4.5 mm |
| Extended Range | 0.5 to 5.0 mm (without zener barriers) |
| Recommended Gap | 2.5 mm |
| Supply Voltage | –17.5 to –26 VDC |
| Probe Tip Material | PPS (Polyphenylene sulfide) |
| Probe Case Material | Stainless Steel (AISI 304) |
| Sensor Housing Material | Aluminum (A380) |
| Total Length | 5.0 meters |
| Gewicht | 0.255 kg |
| Connector Type | Gold-plated brass ClickLoc™ connectors |
| Operating Temp (Sensor) | –52°C to +100°C |
| Operating Temp (Probe) | –52°C to +177°C |
| Approvals | SIL2/3, ATEX, IECEx, cNRTLus |
Häufig gestellte Fragen (FAQ)
Q1: What is the output sensitivity von the 330780-A51-CN sensor?
A1: The output sensitivity is 3.94 V/mm (100 mV/mil) ±10%.
Q2: What makes the 11 mm version preferable over the 8 mm?
A2: It vonfers a longer linear range, making it ideal for larger displacement measurements.
Q3: Can this Proximitor Sensor be used with older 7200-series probes?
A3: Nr. All components must be upgraded to 3300 XL 11 mm for compatibility.
Q4: What is the recommended minimum shaft diameter?
A4: At least 152 mm (6 inches) to minimize cross-talk.
Q5: Is it suitable for high-frequency environments?
A5: Yes. It has high immStücky to RFI/EMI and meets CE requirements.
Q6: What installation options are available?
A6: It supports DIN rail and panel mount configurations.
Q7: How long can the field wiring be?
A7: Up to 305 meters (1,000 feet) between sensor and monitor.
Q8: Is the probe cable armored?
A8: Options include armored and unarmored with or without FluidLoc for sealing.
Q9: What is the maximum operating temperature von the probe?
A9: +177°C (351°F).
Q10: What type von applications is this sensor commonly used in?
A10: Steam turbines, compressors, and rotating machinery requiring precise axial/radial monitoring.
Related Modells in the Same Series
| Modell | Beschreibung | Output | Cable Length | Mounting | Gewicht |
|---|---|---|---|---|---|
| 330780-A50-CN | 11 mm Proximitor Sensor, 5m, panel mount | 100 mV/mil | 5 m | Panel Mount | 0.255 kg |
| 330780-A51-CN | 11 mm Proximitor Sensor, 5m, DIN mount | 100 mV/mil | 5 m | DIN Rail Mount | 0.255 kg |
| 330780-A90-CN | 11 mm Proximitor Sensor, 9m, panel mount | 100 mV/mil | 9 m | Panel Mount | 0.255 kg |
| 330701-XX-XX | 11 mm Probe, 1/2-20 UNF thread | – | 1/5/9 m | Standard | Varies |
| 330730-040-XX | 11 mm Extension Cable, 4m | – | 4 m | – | Varies |
| 330705-XX-XX | 11 mm Reverse Mount Probe, 3/8-24 thread | – | Various | Reverse Mount | Varies |
Popular Modells from Bently Nevada
| Modell | Beschreibung | Output | Application Type | Length | Gewicht |
|---|---|---|---|---|---|
| 330104-00-06-10 | 3300 XL 8 mm Proximity Probe | 200 mV/mil | General-purpose | 10 ft | 0.230 kg |
| 330180-91-CN | 3300 XL Proximitor Sensor | 100 mV/mil | General monitoring | 9.1 m | 0.255 kg |
| 3500/42M-01-00 | Proximitor Seismic Monitor | – | Vibration/Displacement | – | 0.450 kg |
| 3500/22M | Transient Data Interface Module | – | Vibration diagnostics | – | 0.340 kg |
| 330500-02-00 | Velomitor Piezo-Velocity Sensor | – | Velocity measurements | – | 0.200 kg |
| 3701/44 | Aeroderivative GT Vibration Monitor | – | Gas turbine applications | – | 0.550 kg |
Unternehmensinformationen
E-mail: [email protected]
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Add: Alishan Building, 2 Lvling Rd, Bezirk Siming, Xiamen, Fujian, China, 361006
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