Bently Nevada 330171-00-40-10-02-00

Product Overview: The 330171 series is a probe component within the Bently Nevada 3300 5mm eddy current sensor system, featuring a 1/4-28 UNF imperial thread mounting configuration without armor. This model has an unthreaded length of 0 inches, an overall case length of 0.4 inches, and a total cable length of 1.0 meter, equipped with a miniature coaxial ClickLoc connector and standard cable, with no agency certification required. The 5mm system is the most compact in the 3300 family, ideal for applications where space is extremely limited.

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Description

Bently Nevada 330171-00-40-10-02-00

Technical Specifications:

  • Product Series: 3300 5mm Eddy Current Sensor System
  • Probe Diameter: 5mm
  • Thread Specification: 1/4-28 UNF Imperial Thread
  • Unthreaded Length: 00 = 0.0 inches
  • Overall Case Length: 40 = 0.4 inches
  • Total Cable Length: 10 = 1.0 meter
  • Connector Type: 02 = Miniature coaxial ClickLoc connector, standard cable
  • Agency Approval: 00 = Not required

Functional Features:

  • Compact 5mm probe diameter for space-constrained installations
  • Patented TipLoc molding method provides robust bond between probe tip and probe body
  • FluidLoc cable option available for preventing oil and liquid leakage through cable interior
  • Corrosion-resistant gold-plated brass ClickLoc connectors require only finger-tight torque
  • Specially engineered locking mechanism prevents connector loosening
  • No special tools required for installation or removal
  • Fully interchangeable with 3300 XL extension cables and proximitor sensors

Application Scenarios:

  • Shaft vibration monitoring on fluid-film bearing machines
  • Shaft position (displacement) measurement
  • Keyphasor and speed measurement
  • Applications where 8mm probes cannot fit due to space constraints
  • General rotating machinery condition monitoring

Performance Parameters:

  • Sensitivity: 7.87 V/mm (200 mV/mil)
  • Linear Range: 2mm (80 mils)
  • Frequency Response: 0 to 10 kHz
  • Supply Voltage: -17.5 VDC to -26 VDC
  • Operating Temperature: -40°C to +85°C (standard probe)

Material Composition:

  • Probe Tip: PPS (Polyphenylene Sulfide)
  • Probe Housing: Stainless steel
  • Cable: FEP (Fluoroethylene Propylene) insulated 75Ω coaxial cable
  • Connectors: Gold-plated brass ClickLoc

Structural Features:

  • Cylindrical 5mm probe body with sensing face at front end
  • 1/4-28 UNF imperial thread for mounting
  • 1.0-meter integral cable with ClickLoc connector
  • Non-armored design
  • Connector protector available as option

Working Principle: The 5mm probe operates on the eddy current principle. High-frequency current through the internal coil generates an alternating magnetic field. When a conductive target surface enters this field, eddy currents are induced, altering the coil impedance. The proximitor converts this impedance change into a voltage signal proportional to the gap distance. The system measures both static (position) and dynamic (vibration) data.

Installation Requirements:

  • The mounting hole must be pre-machined with 1/4-28 UNF internal thread
  • Total system length (probe cable + extension cable) must match the proximitor’s nominal length (5-meter or 9-meter)
  • ClickLoc connectors require only finger-tight torque (connectors will “click”)
  • Connector protectors are recommended for all installations
  • Probe axis must be aligned perpendicular to the target surface

Usage Precautions:

  • The unthreaded length must be at least 0.8 inches less than the case length
  • Cable bending radius must meet minimum requirements
  • Shield must be grounded at a single point only
  • Verify probe RPROBE after installation to confirm cable integrity
  • Use proper grounding and routing to avoid EMI coupling