330100-90-02 | Bently Nevada 3300 XL 8 mm Proximitor Sensor

Product Summary

The Bently Nevada 330100-90-02 is a 3300 XL 8 mm Proximitor Sensor designed for non-contact machinery condition monitoring. Operating on eddy current principles, it delivers precise static position and dynamic vibration measurements for critical industrial assets, including fluid-film bearing machines, high-speed turbine shafts, and Keyphasor phase reference systems.

Core Specifications

• Model Number: 330100-90-02
• Sensor Type: 3300 XL 8 mm Proximitor Sensor
• Power Input Range: -17.5 VDC to -26 VDC (-24 VDC nominal)
• Current Consumption: 12 mA maximum
• Linear Range: 2.0 mm (80 mils)
• Output Resistance: 50 Ω
• System Length Configuration: 9.0 meters (29.5 feet)
• Agency Approvals: Option 02 (ATEX/IECEx/UKEX intrinsically safe and non-sparking certifications)

Performance & Signal Characteristics

• Scale Factor: 7.87 V/mm (200 mV/mil) nominal Incremental Scale Factor (ISF)
• Supply Voltage Sensitivity: Less than 2 mV change in output voltage per volt change in input voltage
• Frequency Response: 0 to 10 kHz (+0, -3 dB)
• Target Calibration: Calibrated for standard AISI 4140 steel targets
• Signal Integrity: Integrated RFI/EMI immunity with CE compliance to maintain signal clarity in hazardous area installations

Hardware Integration & Deployment

• Physical Design: Enclosed in a corrosion-resistant A308 aluminum housing
• Mounting Support: Engineered for panel mount plates or high-density DIN-rail installation via SpringLoc terminal strips
• Connection Interfaces: Equipped with ClickLoc miniature coaxial connectors
• System Interchangeability: Completely interchangeable with standard 3300-series 5 mm probes, 3300 XL 8 mm probes, and 75 Ω triaxial FEP extension cables calibrated for a 9.0-meter total loop length

Environmental Limits

• Operating Temperature: -52°C to +100°C (-62°F to +212°F)
• Storage Temperature Range: -52°C to +105°C (-62°F to +221°F)
• Humidity Resistance: Sealed case structure limits Average Scale Factor (ASF) shifts to under 3% at 93% relative humidity