Overview
Specification
| Parameter | Specification | Notes / Details |
|---|---|---|
| Model Number | 330780-90-05 | 3300 XL series 11 mm Proximitor sensor |
| Measurement Principle | Eddy current, non-contact displacement | Linear analog voltage output |
| Probe Diameter | 11 mm | Designed for extended measurement range |
| Output Scale Factor (ISF) | 3.94 V/mm (100 mV/mil) ±10% | Standard scaling across linear range |
| Linear Measurement Range | 0.5 mm to 4.5 mm (20–180 mils) | Usable linear displacement range |
| Extended Measurement Range | 0.5 mm to 5.0 mm (20–200 mils) | Available with increased deviation tolerance |
| Deviation from Straight Line (DSL) | ±0.10 mm standard, ±0.15 mm extended | High linearity for accurate shaft measurement |
| Frequency Response | 0 to 8 kHz (-3 dB) | Supports dynamic vibration monitoring |
| Recommended Probe Gap | Approximately 2.5 mm (100 mils) | Typical midpoint of linear range |
| Recommended Minimum Target Diameter | 152 mm (6.0 in) | Ensures measurement accuracy and stability |
| Recommended Target Area | ≥30.5 mm (1.2 in) flat surface | Improves signal linearity |
| Power Supply Voltage | -17.5 Vdc to -26 Vdc | Compatible with 3300 XL monitoring systems |
| Current Consumption | Up to 12 mA | Typical operating condition |
| Output Resistance | 50 Ω | Standard signal interface characteristic |
| Maximum Field Wiring Length | 305 m (1000 ft) | Maintains full frequency response |
| Extension Cable Type | 75 Ω triaxial, FEP insulated | Designed for industrial environments |
| Cable Capacitance | Approximately 69.9 pF/m (21.3 pF/ft) | Stable signal transmission |
| Probe Tip Material | Polyphenylene sulfide (PPS) | High temperature and wear resistance |
| Probe Body Material | AISI 304 stainless steel | Corrosion-resistant construction |
| Proximitor Housing Material | A380 aluminum | Rugged industrial enclosure |
| Operating Temperature – Sensor | -52 °C to +100 °C (-62 °F to +212 °F) | Continuous industrial operation |
| Operating Temperature – Probe and Cable | -52 °C to +177 °C (-62 °F to +351 °F) | Suitable for high-temperature machinery |
| Storage Temperature | -52 °C to +105 °C (-62 °F to +221 °F) | Safe long-term storage conditions |
| Humidity Rating | Up to 100% condensing | When connectors are properly sealed |
| Hazardous Area Certifications | ATEX, IECEx, cNRTLus (model dependent) | Approved for hazardous environments |
| EMC Compliance | EN 61000-6-2, EN 61000-6-4 | Industrial electromagnetic immunity |
| Environmental Compliance | RoHS compliant | Meets global environmental standards |
| Mounting Options | Panel or DIN-rail mounting | Flexible installation methods |
| Recommended Wiring Size | 16–24 AWG (0.2–1.5 mm²) shielded | Ensures signal integrity |
FAQ
A1: It measures shaft displacement and vibration using non-contact eddy current technology.
Q2: Why choose an 11 mm proximity system instead of an 8 mm version?
A2: The 11 mm system supports larger shafts and provides a wider linear measurement range.
Q3: Which monitoring systems support this Proximitor sensor?
A3: It integrates with Bently Nevada 3300 XL proximity probes, cables, and monitoring racks.
Q4: Can this sensor operate in harsh industrial environments?
A4: Yes, it withstands high temperatures, vibration, and electrical interference reliably.
Q5: What machinery commonly uses this sensor?
A5: Typical applications include turbines, compressors, generators, and critical rotating equipment.
Q6: Does this sensor support predictive maintenance strategies?
A6: Yes, it delivers accurate displacement data for early fault detection and condition monitoring.
Reviews
There are no reviews yet.