Bently Nevada 330850-51-05 Proximitor Sensor

Product Summary

The Bently Nevada 330850-51-05 Proximitor® Sensor belongs to the proven 3300 XL series for critical machinery monitoring.
It converts raw proximity probe signals into stable, accurate displacement data for vibration and position analysis.
Moreover, this sensor operates reliably in demanding industrial environments where measurement integrity directly affects asset safety.
It supports non-contact measurement principles, therefore eliminating mechanical wear and long-term calibration drift.
Engineers worldwide trust this model for continuous monitoring of high-value rotating equipment.

Functional Highlights

High measurement stability ensures consistent vibration and position data across wide temperature and voltage ranges.
In addition, the compact aluminum housing simplifies installation inside control cabinets or machinery enclosures.
The sensor integrates seamlessly with 3300 XL proximity probes and matched extension cables.
Therefore, system configuration remains flexible without compromising accuracy or linear measurement range.
Robust electrical design minimizes noise sensitivity, improving data quality for protection and condition monitoring systems.

Technical Data

Model: Bently Nevada 330850-51-05
Series: 3300 XL
Sensor Type: 8 mm Proximitor® Sensor
Measurement Principle: Non-contact displacement measurement

Electrical Characteristics:

• Supply Voltage: -17.5 Vdc to -26 Vdc without barriers

• Supply Voltage with Barriers: -23 Vdc to -26 Vdc

• Maximum Current Consumption: 12 mA

• Supply Sensitivity: Less than 2 mV output change per input volt

Mechanical and Environmental:

• Housing Material: A380 aluminum

• Dimensions: 20.3 × 22.2 × 3.5 cm

• Weight: 0.255 kg

• Operating Temperature: -35°C to +85°C

• Storage Temperature: -51°C to +100°C

System Compatibility:

• Probe Compatibility: 3300 XL proximity probes

• Extension Cables: Supported system lengths up to 9 meters

Typical Applications

This Proximitor® Sensor is widely used in turbines, compressors, pumps, motors, and large industrial fans.
For instance, it supports axial position and shaft vibration monitoring in power generation applications.
Moreover, oil and gas facilities rely on it for early fault detection and machinery protection strategies.
It integrates directly with Bently Nevada monitoring racks, PLC systems, and advanced condition monitoring platforms.
Therefore, maintenance teams gain reliable data for predictive maintenance and lifecycle asset management.

Support & Reliability

Bently Nevada designs this sensor for long service life under continuous operation conditions.
In addition, factory calibration and strict quality control ensure repeatable performance across installations.
The product includes a standard twelve-month warranty for industrial applications.
Therefore, users benefit from reduced maintenance risk and dependable long-term monitoring performance.

FAQ

Q: What probes are compatible with the 330850-51-05 Proximitor® Sensor?
A: It works with Bently Nevada 3300 XL proximity probes and matched extension cables.

Q: Can this sensor operate with intrinsic safety barriers?
A: Yes, it supports barrier operation with a required supply range of -23 Vdc to -26 Vdc.

Q: What measurements does this sensor provide?
A: It delivers non-contact shaft displacement data for vibration and position monitoring.

Q: Is this sensor suitable for high-temperature environments?
A: Yes, it operates reliably from -35°C up to +85°C.