The Bently Nevada 330910-00-16-10-01-00 serves as the primary 3300 NSv Proximity Probes utilized to execute radial vibration and axial position measurements across machinery protection platforms. It functions as a non-contacting transducer element that converts physical proximity variations into high-frequency eddy-current signals. Operating within compact installations and targeting small shaft profiles, the hardware tracks micro-displacement relative to a conductive target and transfers this high-frequency analog data through a dedicated extension cable loop to a matching 3300 XL NSv Proximitor Sensor for system linearization.

Model Suffix Code Matrix

• 330910: Base product platform prefix identifying the 3300 NSv proximity probe family.
• 00: Unthreaded length option selecting 0 mm of unthreaded body section.
• 16: Overall case length option specifying 160 mm of total case length.
• 10: Total length option configuring a 1.0 meter (39 in) integrated probe lead length.
• 01: Connector and cable execution option equipping a miniature coaxial ClickLoc connector with a connector protector on standard cable stock.
• 00: Agency approval option indicating no hazardous area certifications are required.

Structural & Electrical Specifications

Eddy-Current Probe Scaling & Rotor Dynamics

The 330910-00-16-10-01-00 probe relies on precise eddy-current probe scaling to convert micro-level target distance into an accurate analog signal structure with an average scale factor of 7.87 V/mm (200 mV/mil). Field engineering procedures require a baseline gap voltage validation (-10 VDC targets) within the −9 V to −11 V DC window across the companion Proximitor sensor terminals to center the probe in its linear range. The physical component geometry achieves enhanced cross-talk suppression by maintaining exact lateral clearance distances when monitoring shafts smaller than 30 mm, preventing adjacent magnetic fields from distorting raw rotor dynamics telemetry. The continuous high-frequency output delivers raw proximity variations directly to downstream turbine supervisory instrumentation (TSI) channels without phase lag.

Ordering Info

• 1 x 330910-00-16-10-01-00 Proximity Probe
• 1 x Pre-installed connector protector
• 2 x Hexagonal locking nuts

Field Installation Guidelines

Grounding Rules

• Isolate the M10 x 1 probe body, thread paths, and coaxial connector shell entirely from local machinery housing surfaces to eliminate stray ground-loop currents.
• Terminate the instrumentation loop cable shield drain wire exclusively at the designated clean earth ground point inside the central monitoring rack cabinet.

Wiring Constraints

• Keep the gold-plated brass ClickLoc connector contacts dry and free of lubricants or particulate matter during manual interlocking steps.
• Ensure that the overall length configuration matches the Proximitor calibration parameters, strictly pairing the 1.0 meter lead with its matched extension cable path.

Shielding Requirements

• Route all transducer lead wires through dedicated, continuous grounded metal conduits to provide robust external electromagnetic noise isolation.
• Maintain a minimum clear spacing boundary of 300 mm between the sensor signal cables and high-voltage AC motor power lines or distribution rails.

Target Geometry Requirements

• Ensure the target surface provides a minimum flat diameter of 13 mm to avoid edge effects that could compromise measurement accuracy.
• Verify that the target face is smooth and free from deep surface scratches or metallurgical inclusions to prevent electrical runout errors.

Frequently Asked Questions

• Q: What is the hot-swap restriction when disconnecting this probe from a live machinery monitoring loop?

  A: The associated control system channel must be set to manual bypass mode prior to breaking the coaxial connection to prevent a false open-circuit signal from initiating a machine shutdown sequence.

• Q: What internal backplane power load does this probe draw from a 3500 monitoring rack?

  A: The probe is a completely passive inductive transducer component that draws 0 mA from the internal backplane, operating solely via the radio-frequency drive loop supplied by the Proximitor.

• Q: What is the electronic redundancy switching delay when upgrading a 3300 RAM system using this probe?

  A: The probe operates as a continuous analog sensor without internal logic gates, providing instantaneous signal changes and adding 0 ms of processing delay to the monitoring loop.

• Q: Are software driver modifications or firmware updates required to install this hardware?

  A: No, the sensor relies purely on electromagnetic eddy-current principles, making it completely independent of digital software microcode configurations or host firmware platforms.

• Q: What level of mechanical protection does the CableLoc design provide against accidental tension?

  A: The patented internal design provides up to 220 N of pull strength to securely attach the cable to the internal components and prevent separation under stress.

• Q: How does the integrated connector protector protect the miniature ClickLoc interface?

  A: The connector protector seals the joint mechanically to prevent oils, cooling fluids, and moisture from penetrating the coaxial junction and altering electrical impedance.

• Q: Can this 3300 NSv probe be used to acquire high-speed phase vector data for machinery diagnostics?

  A: Yes, when aligned with a physical shaft keyway or reference notch, it generates a pulse signal that serves as a phase reference for balance analysis systems.

• Q: What action should be taken if the probe indicates a gap voltage outside the linear range?

  A: Loosen the locking nuts and mechanically adjust the probe position within the bracket until the measured DC gap voltage falls between −9 V and −11 V DC.