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- Bently Nevada
- 330980-51-05
- Proximitor Sensor
- USA
- 81.3 mm × 61.2 mm × 63.5 mm
- 0.5kg
- Xiamen, China
- New & In Stock
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1. Product Overview — Bently Nevada 330980‑51‑05
Introduction
The 330980‑51‑05 is a NSv (narrow / slim) proximitor (non‑contact displacement / vibration) sensor module in the 3300 XL NSv family. The “51” in its designation indicates a 5.0 m system length and a DIN‑mount or slim form configuration. The “05” suffix signifies a version that includes industrial / safety certifications (CE, etc.). This variant combines the slim geometry of NSv design with certified performance, making it a go-to choice when space is constrained but regulatory compliance is needed.
It interfaces with 3300 NSv or RAM style probes and extension cables. The module converts the probe’s eddy-current signal into a voltage output proportional to shaft displacement or vibration amplitude. Its enhanced RFI/EMI immunity is engineered to satisfy CE immunity without requiring special mounting constraints.
2. Technical Specifications — 330980‑51‑05
| Parameter | Specification / Typical Value |
|---|---|
| Model | 330980‑51‑05 |
| Series / Type | 3300 XL NSv Proximitor Sensor |
| System Length | 5.0 meters (probe + extension cable + sensor module) |
| Mounting Style | DIN‑mount / slim profile (DIN‑compatible) |
| Approvals / Certifications | “05” variant — includes multiple industrial / safety certifications |
| Dimensions (L × W × H) | 81.3 mm × 61.2 mm × 63.5 mm (approx.) (8.13 × 6.12 × 6.35 cm) ([turn0search0]) |
| Weight (module only, kg) | 0.50 kg (500 g) (vendor listing) ([turn0search0]) |
| Operating Temperature | –52 °C to +100 °C |
| Storage Temperature | –52 °C to +105 °C |
| Relative Humidity / Environment | 100 % condensing, sealed when connectors closed |
| Supply Voltage (non-barrier) | –17.5 VDC to –26 VDC |
| Supply Voltage (barrier use) | –23 VDC to –26 VDC |
| Supply Sensitivity | < 2 mV change in output per volt variation in supply |
| Output Resistance | 50 Ω |
| Linear / Measurement Range | NSv class; often limited relative to full-size sensors (typical ~1.5 mm linear zone) ([turn0search1]) |
| Scale Factor | 7.87 V/mm (200 mV/mil) (average, per vendor) ([turn0search1]) |
| Shock / Vibration Tolerance | 100 g (operating) / 300 g (shock) (typical in vendor specs) |
| RFI / EMI Immunity | Enhanced immunity, CE compliance achievable under standard mounting |
| Terminal Type | SpringLoc tool-free terminal strips |
| Housing Material | Aluminum alloy |
Notes / Clarifications
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Vendor listings (PowerGearX etc.) show dimension 8.13 × 6.12 × 6.35 cm and weight of ~0.50 kg.
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Some sources also list “0.246 kg” for module weight, likely a packaging or variant discrepancy. ([turn0search0])
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The NSv proximity system is designed for restricted side‑view or counter-bore geometries; its linear range is usually narrower than full-size proximitor sensors. ([turn0search1])
3. Applications
The 330980‑51‑05 is suited to rotation-machine monitoring applications where mounting space is limited or side access is restricted:
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Shaft vibration / displacement measurement in gas turbines, steam turbines
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Axial (thrust) position monitoring on flat faces or constrained geometry
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Keyphasor / phase reference signal generation
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Retrofits of older 3300 RAM or 190 systems in tight installations
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Service in compressors, pumps, motors, and gearboxes where probe clearance is limited
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Locations requiring certified sensors (approved variant) in compact layout
It is especially useful in designs that cannot accommodate bulky sensor bodies but still need certified, high-fidelity proximity outputs.
4. Advantages & Key Features
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Slim / DIN‑mount Design: Allows installation in space-limited enclosures or racks
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Certified Variant (05): Suitable for regulated and hazardous industrial environments
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High RFI / EMI Immunity: Engineering design supports CE-level immunity without special mounting work
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Stable Output: Low sensitivity to supply voltage variations (< 2 mV/V)
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Broad Temperature Range: Operates from –52 °C to +100 °C reliably
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Tool-Free Wiring: SpringLoc terminal strips simplify installation and maintenance
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Compatibility: Works with existing 3300 NSv / RAM probes and extension cables
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Durability: Robust aluminum body design to withstand industrial vibration and mechanical stress
5. Related / Same-Series / Variant Models
| Model | System Length / Mounting | Certification Variant | Dimensions / Weight | Key Differences / Use Case |
|---|---|---|---|---|
| 330980‑51‑00 | 5.0 m, DIN-mount | Base (no approval) | ~81.3 × 61.2 × 63.5 mm, ~0.50 kg | DIN form without certifications |
| 330980‑50‑05 | 5.0 m, panel-mount | Certified “05” | 81.3 × 61 × 63.5 mm, ~0.246 kg | Slim version, panel mount variant |
| 330980‑50‑00 | 5.0 m, panel-mount | Base (no approval) | Similar dimensions | Base panel mount version |
| 330980‑50‑CN | 5.0 m, panel-mount | Regional (CN) | Similar dimensions | Regional approval variant |
| 330980‑70‑05 | 7.0 m, panel-mount | Certified “05” | ~81 × 61 × 63 mm, ~0.255 kg | Longer cable variant |
6. Popular Models from Same Brand (Bently Nevada)
| Model | Type / Function | Application / Feature | Notes |
|---|---|---|---|
| 330105‑02‑12‑05‑02 | Proximity probe module | Shaft displacement measurement | Common partner probe in 3300 systems |
| 3500/05‑01‑01‑00‑00 | Monitoring rack module | Multi-channel vibration monitoring | Core rack in monitoring systems |
| 9200‑03‑05‑10‑00 | Smart sensor / digital module | Remote diagnostics, networking | Advanced IIoT / remote monitoring |
| 330500 Velocity Sensor | Velocity transducer | Vibration velocity output | Complementary sensor to displacement ones |
| 330450‑10‑05 | Compact proximity probe | Tight-space shaft measurement | Probe side of proximity chain |
7. FAQs (Q / A)
Q1: What does the “51” in 330980‑51‑05 signify?
A1: It indicates a 5.0 m system length and DIN‑mount or slim-profile version of the NSv sensor.
Q2: What is the “05” suffix for?
A2: It designates the certified version, which meets industrial / safety approvals (CE etc.).
Q3: What are its dimensions and weight?
A3: Approximately 81.3 mm × 61.2 mm × 63.5 mm; weight ~0.50 kg (500 g) per common vendor listings.
Q4: What operating temperature range does it support?
A4: From –52 °C to +100 °C for sensor plus extension cable.
Q5: What supply voltage is required?
A5: –17.5 VDC to –26 VDC in non-barrier mode; –23 to –26 VDC if a barrier is used.
Q6: What is the linear measurement range?
A6: For NSv sensors, typical linear zone is ~1.5 mm (60 mils), depending on probe calibration.
Q7: Which probes / cables are compatible?
A7: Works with 3300 NSv or RAM probes and extension cables in the 3300 XL NSv family.
Q8: How is the output stability with supply variation?
A8: It has a supply sensitivity of less than 2 mV change per volt of supply variation, ensuring stable output.
Q9: Does it need special mounting for EMI immunity?
A9: No — NSv design already includes improved shielding so CE immunity is achievable without unique mounting practices.
Q10: What type of wiring interface is used?
A10: SpringLoc terminal strips — these permit tool-free, secure field wiring.
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