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The Bently Nevada 330905-00-03-10-02-00, also cataloged as the 330905 Proximity Sensors, operates as a dedicated hardware component for non-contact shaft vibration and displacement monitoring within 3300 XL 8mm Proximity Sensor System platforms. The probe assembly features a metric thread profile with a 0 mm unthreaded length option, a 30 mm overall case length option, and a 1.0 m (39 in) standard coaxial cable terminated with a miniature coaxial ClickLoc connector.

Suffix Breakdown & Model Matrix

Option Code Parameter Designation Selected Configuration
330905 Base Model 3300 XL 8mm Proximity Sensor, Metric Thread
-00 Unthreaded Length 0 mm (Min: 0 mm, Max: 230 mm in 10 mm increments)
-03 Overall Case Length 30 mm (Min: 20 mm, Max: 250 mm in 10 mm increments)
-10 Total Length Option 1.0 m / 39 in (Available: 0.5 m, 1.0 m, 5.0 m, 7.0 m)
-02 Connector & Cable Type Miniature coaxial ClickLoc connector, standard cable
-00 Agency Approval Option Not required

Hardware Specifications

Parameter Specification
Model 330905-00-03-10-02-00
Brand Bently Nevada
Origin United States
Weight 0.45 kg (1.0 lb)
Dimensions Metric threaded probe body (30 mm overall case length)
Operating Temp -51 deg C to +177 deg C (-60 deg F to +350 deg F)
Power Consumption Passive transducer (Powered via Proximitor Sensor)
Cable Type Standard coaxial probe cable
Connector Type Miniature coaxial ClickLoc connector
Thread Specification Metric thread profile
Unthreaded Length 0 mm
Overall Case Length 30 mm
Total Cable Length 1.0 m (39 in)
Agency Approvals Not required (Option 00)

Mechanical Monitoring & TSI Performance

The 330905-00-03-10-02-00 proximity probe utilizes eddy-current sensing principles to deliver high-resolution displacement data for rotor dynamics evaluation. Connected in series with a matching 3300 XL Proximitor Sensor and extension cable, eddy-current probe scaling produces a linear output voltage proportional to target shaft clearance. Proper mechanical positioning during installation requires gap voltage validation targeted at -10 VDC near the center of the dynamic linear range, which mitigates cross-talk suppression issues when probes are arranged in orthogonal XY pairs.

Frequently Asked Questions

Q: What gap voltage reading indicates correct mechanical installation of the 330905-00-03-10-02-00 probe?

A: Mechanical insertion depth should be adjusted until the output from the connected 3300 XL Proximitor Sensor reads -10 VDC, placing the transducer at the midpoint of its calibrated linear range.

Q: Can the 1.0 m probe cable connect directly to an online TSI monitoring system card?

A: No. The integrated 1.0 m (39 in) probe cable must be connected through a matching 3300 XL extension cable to fulfill the total 5.0 m or 7.0 m system electrical length required by the Proximitor Sensor.

Q: What connector type is supplied with the 02 option code on this probe?

A: Option 02 designates a miniature coaxial ClickLoc connector mounted on a standard coaxial cable without an external connector protector.

Field Installation Guidelines

  1. Thread the metric probe body into the machine casing port using proper wrenches, taking care not to exceed maximum recommended installation torque.
  2. Maintain minimum thread engagement (such as 5 full threads) on mounting adapters to prevent vibration-induced mechanical displacement.
  3. Keep the probe tip free of metallic chips or surface filings, and verify target shaft runout prior to establishing initial zero-gap voltage.
  4. Clean the ClickLoc coaxial connector surfaces to remove oil or particulate contamination, then snap the locking collar securely into place.

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