Bently Nevada 330703-000-050-10-01-00 3300 XL 11 mm Proximity Probe

Product Overview

The Bently Nevada 330703-000-050-10-01-00 is a 3300 XL 11 mm proximity probe designed for precise shaft measurement.
It supports continuous vibration and axial position monitoring on critical rotating machinery in industrial environments.
Moreover, the probe combines mechanical robustness with stable electrical performance for long-term condition monitoring programs.
Engineers commonly select this model for applications requiring compact installation and consistent measurement accuracy.

Functional Highlights

Accurate Measurement: The probe delivers a stable 100 mV/mil output for reliable vibration and displacement analysis.
Moreover, the 11 mm sensing geometry supports extended measurement range compared with standard 8 mm probes.
Durable Design: A stainless-steel housing and ceramic sensing tip resist wear, corrosion, and mechanical stress.
In addition, the unarmored 1.0 m cable simplifies routing inside control cabinets and machinery housings.
System Compatibility: The probe integrates seamlessly with Bently Nevada Proximitor® sensors and monitoring systems.

Technical Specifications

Feature | Specification
Probe Type | 3300 XL 11 mm Proximity Probe
Model Number | 330703-000-050-10-01-00
Thread Type | M14 x 1.5
Case Length | 50 mm (5.0 in)
Unthreaded Length | 0 mm
Cable Length | 1.0 m unarmored
Connector | Miniature coaxial ClickLoc connector with protector
Output Sensitivity | 100 mV/mil (3.94 mV/µm)
DC Resistance | 5.9 Ω ±0.5 Ω at 25 °C
Operating Temperature | -35 °C to +120 °C
Magnetic Field Tolerance | Up to 300 Gauss

Typical Applications

This proximity probe is widely used on steam turbines, gas turbines, compressors, pumps, and large electric motors.
For instance, it supports axial thrust monitoring on turbomachinery to prevent bearing and rotor damage.
Moreover, it enables continuous vibration measurement for predictive maintenance and machinery protection strategies.
Therefore, plants rely on this probe to reduce unplanned downtime and extend equipment service life.

Reliability and Service

Bently Nevada designs the 3300 XL probe series for continuous operation in demanding industrial environments.
In addition, strict manufacturing controls ensure consistent performance across replacement and expansion projects.
When installed and calibrated correctly, the probe provides stable measurements throughout extended maintenance cycles.

FAQ

Q1: What systems are compatible with the 330703 proximity probe?
A1: The probe works with Bently Nevada Proximitor® sensors and 3300 or 3500 series monitoring systems.

Q2: Is this probe suitable for axial position measurements?
A2: Yes, it supports accurate axial position and thrust measurements on rotating machinery shafts.

Q3: Does the probe include hazardous area approvals?
A3: This specific -00 version has no agency approvals and suits standard industrial environments.

Q4: What is the advantage of the 11 mm probe size?
A4: The 11 mm design offers greater measurement range compared with standard 8 mm proximity probes.