Product Overview
The Bently Nevada 330980-70-05 NSv Proximitor Sensor is a precision industrial automation module designed for reliable vibration and position monitoring in rotating machinery. With a 7.0-meter system length and panel mount configuration, this sensor integrates seamlessly into high-density DIN-rail or traditional panel setups. Its thin profile and improved RFI/EMI immunity deliver consistent performance even in electrically noisy environments, achieving European CE mark approvals without special mounting considerations.
Key Features & Benefits
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Compact Design: Thin construction allows mounting in high-density DIN-rail installations or conventional panel mounts.
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Enhanced RFI/EMI Immunity: Prevents nearby high-frequency radio signals from affecting transducer accuracy.
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SpringLoc Terminal Strips: Tool-free wiring connections for faster, robust field installation.
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Wide Temperature Range: Operates from -52°C to +100°C, suitable for harsh industrial environments.
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Multiple Approvals: Agency approval option 05 includes multiple certifications, ensuring compliance across regions.
Technical Specifications
| Parameter |
Value |
| Sensor Material |
A380 aluminum |
| Sensor Weight |
255 g (9 oz) |
| Input |
Accepts one noncontacting 3300 RAM or 3300 NSv Proximity Probe and Extension Cable |
| Power Requirement |
-17.5 Vdc to -26 Vdc without barriers at 12 mA max consumption; -23 Vdc to -26 Vdc with barriers |
| Sensitivity |
Less than 2 mV change in output voltage per volt change in input voltage |
| Output Resistance |
50 Ω |
| 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, nonsubmersible when connectors are protected; tested to IEC 68-2-3 damp heat |
Industry Applications
The Bently Nevada 330980-70-05 excels in critical rotating equipment monitoring. In turbomachinery, it provides accurate shaft vibration and position data, enabling predictive maintenance and preventing unplanned downtime. In pump and compressor systems, the sensor’s robust design ensures reliable operation in high-temperature or humid conditions. Its compact form factor makes it ideal for retrofit projects where space is limited.
Installation & Setup Guidance
Mount the 330980-70-05 on a standard DIN rail or panel using the provided mounting holes. Ensure the probe gap is set to 1.0 mm (40 mils) for optimal linear range. Use SpringLoc terminal strips for secure wiring; no special tools are required. Maintain proper cable routing to avoid interference. For barrier installations, verify the power supply meets the -23 Vdc to -26 Vdc requirement to ensure full linear range.
Maintenance & Reliability
Regularly inspect the sensor and cable for physical damage, especially in high-vibration environments. Verify that connectors remain protected from condensation to maintain the 100% humidity rating. Periodically check the probe gap and recalibrate if the target material changes. With proper care, the 330980-70-05 delivers long-term stability, reducing lifecycle costs.
Selection Guide & Purchasing Advice
When ordering, confirm the system length (7.0 meters) and mounting option (panel mount) match your application. Verify the agency approval option (05) meets local regulatory requirements. For assistance with compatibility or alternate configurations, PLC Source PRO offers expert guidance and genuine Bently Nevada parts.