330910-00-15-10-02-00 | Bently Nevada | 3300 NSv Proximity Probe

Bently Nevada 330910-00-15-10-02-00 3300 NSv Proximity Probe

The Bently Nevada 330910-00-15-10-02-00, also cataloged as the 330910 proximity probe, operates as a dedicated non‑contact displacement sensing element for NSv‑type eddy‑current measurement loops within 3300 NSv monitoring systems. The probe establishes a controlled impedance path and stable gap‑voltage behavior required for NSv signal conditioning.

Suffix Breakdown & Model Matrix

• 330910 = 3300 NSv proximity probe
• 00 = Unthreaded length 0 mm
• 15 = Case length 150 mm
• 10 = Total cable length 1.0 m
• 02 = Miniature coaxial ClickLoc connector
• 00 = No hazardous‑area approvals

Hardware Specifications

Eddy‑Current Scaling and Gap‑Voltage Validation

The probe maintains calibrated eddy‑current scaling when paired with NSv‑rated extension cables and proximitor modules. Gap‑voltage behavior aligns with the −10 VDC reference used in NSv systems, supporting consistent displacement interpretation across rotor‑dynamic monitoring applications. The extended 150 mm case length requires appropriate mounting geometry to maintain probe‑to‑shaft alignment. Controlled coaxial impedance and shielding minimize cross‑talk in multi‑channel installations.

Frequently Asked Questions

Q: Does the 1.0 m cable length affect NSv calibration? A: No. Calibration remains valid when the probe is used with the correct NSv extension cable and proximitor module.

Q: Can the ClickLoc connector be field‑terminated? A: No. The connector is factory‑assembled. Field termination may alter impedance and degrade displacement accuracy.

Q: Should shielding be bonded at both ends? A: No. Shielding must be bonded at the proximitor end only to prevent ground‑loop formation.

Field Installation Guidelines

Ensure stable mechanical seating of the probe body to maintain shaft‑to‑probe alignment, especially with the extended 150 mm case length. Route the coaxial cable with gentle bend radii to preserve impedance stability. Maintain separation from high‑current conductors or variable‑frequency drive outputs to reduce electromagnetic interference. Apply strain relief to minimize vibration‑induced connector motion. Avoid overtightening during installation to prevent thread deformation.