Bently Nevada 330103‑00‑13‑50‑12‑05 — 3300‑XL 8 mm Eddy‑Current Proximity Probe

Description

Bently Nevada 330103‑00‑13‑50‑12‑05 — 3300‑XL 8 mm Eddy‑Current Proximity Probe

Product Overview

The 330103‑00‑13‑50‑12‑05 is a standard‑mount 3300‑XL 8 mm non‑armored proximity probe with M10×1 metric thread, belonging to Bently Nevada 3300‑XL 8 mm transducer family. It serves as the field‑sensing element of eddy‑current monitoring systems, converting the physical gap between probe tip and metallic rotor surface into impedance variation signals for the matched proximitor sensor. Compliant with API 670, it is widely deployed for vibration, thrust‑position and Keyphasor measurements on critical turbomachinery.

Critical Compatibility Warning

• Works only with 3300‑XL 8 mm series proximitor (330180‑xx‑00) and 8 mm extension cables (330130‑xx‑xx‑00).
• Must NOT pair with 11 mm (330181) or NSv (330980) hardware.
• Total system length = probe integral pigtail + extension cable, must strictly match the rated total‑system length of the 8 mm proximitor. Output gap‑voltage feeds to 3500/42M, 3300 monitor racks or DCS for alarm, trip and trending.

Part Number Decoding

• 330103: 3300‑XL 8 mm probe, M10×1 thread, non‑armored
• ‑00: Unthreaded body length = 0 mm (full‑thread body)
• ‑13: Overall case length = 130 mm
• ‑50: Integral pigtail cable length = 5.0 m
• ‑12: 12‑pin Microdot coaxial connector
• ‑05: Multiple international hazardous‑area agency approvals (ATEX / IECEx / CSA / CE)

330103‑00‑13‑50‑12‑05

Key Specifications

Main Features

• API‑670‑compliant 8 mm full‑thread probe: Interoperable with standard 3300‑XL 8 mm transducer chain; incompatible with 11 mm and NSv series components.
• 130 mm full‑thread M10×1 body: Suited for deep counter‑bore mounting holes and flexible depth adjustment.
• 5.0 m built‑in pigtail cable: Reduces required extension‑cable length for moderate‑distance field routing.
• Standard 2.0 mm linear range: Optimized for shaft vibration and axial thrust‑position monitoring.
• Wide temperature tolerance ‑35 °C ~ +175 °C: Adapted to turbine and compressor casing environments with oil‑mist exposure.
• Stainless‑steel mechanical construction: High vibration resistance for continuous heavy‑duty machinery compartments.
• 12‑pin Microdot interface: Standard mating with 330130‑xx‑xx‑00 8 mm extension cables.
• Multi‑agency intrinsic‑safety certification: Approved for hazardous classified zones when assembled within complete certified 8 mm proximity loop.
• Excellent interchangeability: No individual component matching required for 3300‑XL system.

Typical Application Scenarios

• Steam and gas turbine shaft vibration and thrust‑position protection
• Refinery & petrochemical centrifugal compressors with deep counter‑bore installation requirements
• Large critical pumps, blowers and fluid‑film‑bearing rotating equipment
• Keyphasor speed / phase reference measurement for turbomachinery
• Off‑shore platform rotating‑machinery condition‑monitoring
• Field locations requiring 5 m built‑in probe cable to shorten extension‑cable runs
• Hazardous‑classified locations requiring ATEX / IECEx / CSA intrinsic‑safety compliance
• Spare‑part replacement for existing full‑thread 3300‑XL 8 mm proximity monitoring loops

Related & Recommended Alternative Models

Compatible Components & Accessories

1. 8 mm extension cables: 330130‑xx‑xx‑00 Microdot extension cables. Total system length = probe 5.0 m + extension cable = proximitor rated length.
2. Matched 8 mm proximitor: 330180‑xx‑00 DIN‑rail proximitor sensor.
3. Monitor hardware: Bently 3500/42M, 3300/12, 3300/15 monitor racks.
4. Mounting parts: M10×1 lock‑nut for probe installation.
5. Calibration test fixture: 8 mm static gap calibration rig for pre‑commission validation.
6. Torque wrench: For correct Microdot connector torque during assembly.

Installation and Configuration Guide

Warning: Installation must be performed by qualified instrumentation technicians. Always refer to original Bently Nevada 3300‑XL official manual as primary reference document.

1. Mechanical Probe Mounting
   • Screw the full‑thread M10×1 probe into casing counter‑bore hole; fit lock‑nut for position locking after gap adjustment.
   • Probe tip must maintain perpendicular alignment against metallic shaft target; tilt will degrade linear‑range performance and measurement accuracy.
   • Ensure adequate mechanical clearance; prevent physical collision between probe tip and rotor under full operating shaft excursion.
2. System‑Length Verification
   • Probe integral pigtail =5.0 m. Calculate and select extension cable so that total cable length matches the 8 mm proximitor’s rated total‑system length. Mismatch will shift scale factor.
   • Apply manufacturer‑specified torque on Microdot connector; never connect or disconnect transducer loop while proximitor is powered.
3. Signal Routing Requirements
   • Route coaxial probe cable separately from high‑power AC cables, contactors and VFD wiring to minimize EMI interference.
   • Respect minimum coaxial‑cable bending radius; avoid sharp kinks that damage internal conductors.
4. Commissioning Gap Adjustment
   • Loosen lock‑nut, adjust probe penetration to set mechanical gap relative to shaft target.
   • Power up proximitor; measure DC gap‑voltage with high‑impedance multimeter. Set operating working point near mid‑range (approx.‑10 VDC for AISI‑4140 steel).
   • Tighten lock‑nut securely; re‑check gap‑voltage to confirm no mechanical shift. Verify operating point stays within linear zone (‑1 VDC ~ ‑17 VDC).
5. Monitor Channel Setup
   • Feed gap‑voltage signal to monitor channel, configure scale factor to 7.87 V/mm (200 mV/mil) for 8 mm 3300‑XL system.
   • Program Alert / Danger alarm thresholds following machine OEM specifications.
   • Perform loop fault test: simulate probe open‑circuit to verify Not‑OK diagnostic function triggers correctly.
6. Maintenance & Troubleshooting
   • Inspect Microdot connector for dirt, corrosion and loose contact during machinery turnaround.
   • Continuously track DC gap‑voltage drift as health indicator of full transducer chain.
   • Not‑OK fault condition: inspect probe‑tip damage, cable insulation breakage or connector degradation. Probe is non‑field‑repairable; replace complete probe assembly upon hardware failure.
7. Hazardous‑Area Installation Notes
   • For ATEX / IECEx classified‑zone deployment, strictly follow 3300‑XL intrinsic‑safety requirements covering power supply, cable specification, shielding and chassis‑grounding rules.

Supplementary Remark

330103‑00‑13‑50‑12‑05 is a full‑thread 3300‑XL 8 mm proximity probe with 130 mm case length, 5.0 m integral pigtail cable and 12‑pin Microdot connector. It can only be used with 8 mm series proximitor and extension‑cable assemblies. Prior to commissioning, cross‑check part‑number configuration, M10×1 full‑thread dimension, pigtail length, connector pin count and total‑system cable length against project BOM and mechanical drawings.