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Configured for high-precision shaft displacement and vibration measurement in compact mechanical spaces, the Bently Nevada 330909-00-60-10-02-05 (3300 NSv Proximity Probe) provides direct physical/electrical execution.

Suffix Breakdown & Model Matrix

The part number structure defines the mechanical dimensions, total cable length, electrical termination, and regulatory approvals for this probe:

  • 330909: Base Model for 3300 NSv Proximity Probe (3/8-24 UNF thread, armored cable)
  • 00: Unthreaded Length option - 0.0 inches
  • 60: Overall Case Length option - 6.0 inches
  • 10: Total Length option - 1.0 meter (3.25 feet)
  • 02: Connector Option - Miniature coaxial ClickLoc connector with standard cable
  • 05: Agency Approval Option - Multiple regional hazardous area approvals

Hardware Specifications

Parameter Specification
Model 330909-00-60-10-02-05
Brand Bently Nevada
Origin USA
Weight 0.82 kg (Shipping weight: 2.0 kg)
Dimensions 3/8-24 UNF thread, 6.0 in case length, 0.0 in unthreaded length
Operating Temp -51 to 177 deg C
Power Consumption Passive transducer element powered by connected Proximitor Sensor loop
Thread Type 3/8-24 UNF thread, with flexible armor
Total Cable Length 1.0 meter (3.25 feet)
Connector Type Miniature coaxial ClickLoc connector
Agency Approval Option 05 (Multiple Approvals)

Eddy-Current Probe Scaling & Gap Voltage Validation

The 3300 NSv proximity probe utilizes high-frequency eddy-current probe scaling to convert physical gap changes relative to a conductive target into precise high-frequency electrical signals. Designed specifically for tight side-clearance installations where standard 8 mm probes suffer from side-view interference, its focused coil geometry minimizes RF field dispersion. During installation and routine maintenance, gap voltage validation requires verifying a static offset target of -10 VDC across the Proximitor output terminals when the shaft is stationary, ensuring operation in the center of the calibrated linear range.

Frequently Asked Questions

Q: What is the primary mechanical benefit of the option 00 unthreaded case length?

A: An unthreaded length of 0.0 inches provides full thread engagement along the entire 6.0-inch case length, allowing maximum penetration depth adjustment inside thick mounting blocks or tapped machine casings.

Q: How is environmental protection maintained at the miniature coaxial ClickLoc connector junction?

A: The miniature coaxial ClickLoc connector features a snap-lock retaining collar. When joined to an extension cable, a connector protector sleeve must be positioned over the junction to seal against moisture and oil penetration.

Field Installation Guidelines

  1. Mechanical Mounting: Thread the 3/8-24 UNF armored probe into the tapped port. Ensure the probe tip does not collide with the target surface during installation.
  2. Gap Setting: Connect a digital multimeter across the Proximitor output leads and advance the probe body until reaching the standard -10 VDC gap target voltage.
  3. Locking Assembly: Tighten the external lock nut against the mounting face to secure the probe position against operational vibration.
  4. Cable Routing: Route the 1.0-meter armored lead through protective conduit. Maintain a minimum bend radius of 25.4 mm (1.0 inch) to prevent damage to the internal coaxial core.

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