Overview
Specification
| Parameter | Specification |
|---|---|
| Model Number | 330780-51-05 |
| Sensor Type | NSv Proximity Transducer (Proximitor) |
| Probe Diameter | 11 mm |
| Shaft Displacement Range | 0–125 mils (0–3.175 mm) typical |
| Measurement Gap | 5–50 mils (0.127–1.27 mm) recommended |
| Output Signal | Differential AC voltage proportional to displacement |
| Linearity | ±1% of full-scale typical |
| Resolution | <0.1 mil (0.0025 mm) |
| Frequency Response | DC to 10 kHz |
| Phase Shift | <10° typical at 10 kHz |
| Excitation Voltage | 24 VDC nominal (18–30 VDC allowed) |
| Load Impedance | ≥10 kΩ |
| Operating Temperature | -40°C to 120°C (-40°F to 248°F) |
| Storage Temperature | -55°C to 125°C (-67°F to 257°F) |
| Environmental Protection | IP65 / NEMA 4 |
| Shock Resistance | 50 g, 11 ms half-sine |
| Vibration Resistance | 20 g, 10–500 Hz |
| Cable Length | 3 meters standard (custom lengths available) |
| Connector Type | MIL-C-26482 compatible or custom termination |
| Mounting | Threaded or clamped installation options |
| Weight | Approx. 0.5 kg (sensor only) |
| System Compatibility | Bently Nevada 3300 XL Machinery Protection System |
| Materials | Stainless steel housing, ceramic core, PTFE-insulated cables |
| Response Time | <0.1 ms typical |
| Electrical Noise Immunity | >50 dB rejection at 60 Hz |
FAQ
A1: It provides precise, non-contact shaft displacement and vibration measurements for critical rotating machinery.
Q2: Can this sensor operate in extreme temperatures?
A2: Yes, it reliably operates between -40°C and 120°C (-40°F to 248°F) without performance degradation.
Q3: Is it compatible with the Bently Nevada 3300 XL system?
A3: Absolutely. It integrates seamlessly with 3300 XL racks and monitoring modules for continuous protection.
Q4: How does it improve machinery maintenance?
A4: By delivering real-time displacement and vibration data, it enables predictive maintenance and reduces unplanned downtime.
Q5: Can the probe cable or length be customized?
A5: Yes, standard cable length is 3 meters, but custom lengths and terminations are available to suit installation needs.
Q6: How durable is the sensor in harsh industrial environments?
A6: The 330780-51-05 features IP65/NEMA 4 protection, shock resistance of 50 g, and vibration tolerance of 20 g, ensuring long-term reliability.
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