330980-51-CN Overview
When you need precise vibration monitoring in demanding industrial environments, the 330980-51-CN from Bently Nevada delivers dependable performance. This NSv Proximitor Sensor is engineered for high-density DIN-rail or panel mounting, providing flexibility for your installation. With a 5.0-meter (16.4 feet) system length, it suits a wide range of machinery protection applications.
Key Features and Technical Specifications
The 330980-51-CN shares the core features of the 3300 XL 8 mm Proximitor Sensor but adds a thin profile for space-constrained layouts. Its improved RFI/EMI immunity ensures stable operation even near radio frequency sources, meeting European CE mark approvals without special mounting considerations.
- Input: Accepts one noncontacting 3300 RAM or 3300 NSv Proximity Probe and extension cable.
- Power: Requires -17.5 Vdc to -26 Vdc without barriers at 12 mA maximum consumption; -23 Vdc to -26 Vdc with barriers.
- Output resistance: 50 Ω.
- Sensitivity: Less than 2 mV change in output voltage per volt change in input voltage.
- Operating temperature: -52°C to +100°C (-62°F to +212°F).
- Storage temperature: -52°C to +105°C (-62°F to +221°F).
- Relative humidity: 100% condensing, non-submersible when connectors are protected (tested to IEC 68-2-3 damp heat).
- Proximitor Sensor Material: A380 aluminum.
- Weight: 255 g (9 oz).
The SpringLoc terminal strips simplify field wiring, requiring no special tools and providing a robust connection. This design reduces installation time and enhances reliability.
Applications and Use Cases
The 330980-51-CN is ideal for vibration monitoring on rotating machinery such as turbines, compressors, and pumps. Its DIN-rail mounting capability makes it perfect for control panels with limited space. The improved RFI/EMI immunity ensures accurate readings even in electrically noisy environments, such as near variable frequency drives or radio transmitters.
Because the sensor system is calibrated to a Bently Nevada AISI 4140 steel target, it delivers consistent, repeatable measurements. This makes it suitable for both new installations and retrofits where reliable shaft vibration and position monitoring are critical.
Installation and Setup
Mounting the 330980-51-CN is straightforward. The DIN-rail option (suffix 51) allows quick clip-on installation, while the panel mount alternative offers flexibility. The SpringLoc terminals accept standard wires, and no special tools are needed. Ensure the probe gap is set to 1.0 mm (40 mils) for optimal performance, as specified in the datasheet.
Power supply requirements must be observed: -17.5 Vdc to -26 Vdc without barriers, or -23 Vdc to -26 Vdc with barriers. Operating at a more positive voltage than -23.5 Vdc can reduce the linear range, so plan your power budget accordingly.
Maintenance and Reliability
Routine inspection of the sensor and cabling is recommended to ensure long-term reliability. The A380 aluminum housing is robust, and the sensor is rated for 100% condensing humidity when connectors are protected. Periodic verification of the output voltage and sensitivity helps maintain measurement accuracy.
Because the system is designed for harsh industrial environments, it offers extended service life, reducing downtime and maintenance costs. Always follow the manufacturer's guidelines for cleaning and handling to avoid damage.
Compatibility and Integration
The 330980-51-CN works with Bently Nevada 3300 RAM or 3300 NSv Proximity Probes and extension cables. It is part of the 3300 XL family, ensuring seamless integration with existing Bently Nevada monitoring systems. The sensor's output can be connected to standard vibration monitors or data acquisition systems.
Troubleshooting and Common Issues
If you experience erratic readings, first check the power supply voltage—ensure it is within the specified range. Verify that the probe gap is correct and that the target material matches the calibration (AISI 4140 steel). Inspect the connectors for moisture or corrosion, especially in high-humidity environments. The improved RFI/EMI immunity minimizes interference, but if issues persist, check for nearby radio frequency sources.
Product Support and Availability
At AutoDCSTech, we stock the 330980-51-CN and are ready to ship. Contact us for current availability and lifecycle status. Our team can assist with technical questions and ordering.
Availability & Condition at AutoDCSTech
| Part Number | 330980-51-CN |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
