Overview
Therefore, this sensor integrates seamlessly with Bently Nevada 3300 XL monitoring systems, ensuring stable signal output and long-term measurement accuracy. In addition, its rugged mechanical design withstands temperature extremes, contamination, and mechanical stress during continuous operation.
Specification
| Parameter | Specification | Description |
|---|---|---|
| Model Number | 330780-91-00 | 3300 XL series Proximitor sensor |
| Sensor Type | Proximity transducer | Eddy current, non-contact |
| Probe Diameter | 11 mm | Designed for extended measurement range |
| Measurement Principle | Eddy current displacement | Linear analog output |
| Output Scale Factor | 3.94 V/mm (100 mV/mil) ±10% | Standard 3300 XL scaling |
| Linear Measurement Range | 0.5 mm to 4.5 mm (20–180 mils) | Usable linear operating range |
| Extended Measurement Range | Up to 5.0 mm (200 mils) | With increased deviation tolerance |
| Deviation from Straight Line | ±0.10 mm standard | High linearity performance |
| Frequency Response | 0 to 8 kHz (-3 dB) | Suitable for vibration analysis |
| Recommended Probe Gap | Approximately 2.5 mm (100 mils) | Typical midpoint of linear range |
| Minimum Target Diameter | 152 mm (6.0 in) | Recommended for optimal accuracy |
| Power Supply Voltage | -17.5 Vdc to -26 Vdc | Compatible with 3300 XL systems |
| Current Consumption | Up to 12 mA | Typical operating condition |
| Output Resistance | 50 Ω | Standard signal interface |
| Extension Cable Type | 75 Ω triaxial cable | FEP insulated |
| Maximum Cable Length | 305 m (1000 ft) | Maintains signal integrity |
| Probe Tip Material | PPS (Polyphenylene sulfide) | High-temperature resistant |
| Probe Body Material | Stainless steel | Corrosion-resistant |
| Housing Material | Aluminum | Industrial-grade enclosure |
| Operating Temperature (Sensor) | -52 °C to +100 °C | Continuous operation range |
| Operating Temperature (Probe/Cable) | -52 °C to +177 °C | High-temperature capability |
| Certifications | ATEX, IECEx, cNRTLus (model dependent) | Hazardous area approvals |
| Environmental Compliance | RoHS compliant | Meets global standards |
FAQ
A1: The sensor works seamlessly with Bently Nevada 3300 XL monitoring and machinery protection systems.
Q2: What is the advantage of the 11 mm probe design?
A2: The larger probe diameter provides extended range, improved stability, and better performance on large shafts.
Q3: Can this sensor operate in high-temperature environments?
A3: Yes, the probe and cable support temperatures up to 177 °C, suitable for harsh industrial conditions.
Q4: Does the sensor support long cable installations?
A4: Yes, it maintains signal accuracy with extension cable lengths up to 305 meters.
Q5: Is the 330780-91-00 suitable for hazardous locations?
A5: Selected versions offer ATEX and IECEx approvals for hazardous area installations.
Q6: How does this sensor support predictive maintenance?
A6: It delivers continuous, accurate displacement data, enabling early fault detection and reduced downtime.
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