Bently Nevada 330851-06-000-070-10-00-05 – High-Precision Proximity Sensor Probe | 3300 XL Series Platform
Engineering Background
The Bently Nevada 3300 XL Series represents the industry benchmark for continuous vibration and position monitoring in rotating machinery. Engineered to API 670 standards, these eddy-current proximity transducers are deployed globally in critical turbomachinery protection systems where measurement accuracy and long-term reliability are non-negotiable.
Product Positioning
The 330851-06-000-070-10-00-05 is a 5-metre (16.4 ft) extension cable-integrated proximity probe designed for radial vibration, axial position, and differential expansion measurement. It is the preferred choice for procurement engineers specifying replacement or expansion components within existing Bently Nevada 3300 XL monitoring architectures.
Complete Technical Specifications
- Part Number: 330851-06-000-070-10-00-05
- Series / Platform: Bently Nevada 3300 XL
- Transducer Type: Eddy-Current Proximity Probe
- Probe Length: 6 mm tip diameter
- Cable Length: 5 m (16.4 ft) integral extension cable
- Linear Range: 0–2 mm (0–80 mil) nominal
- Sensitivity: 7.87 V/mm (200 mV/mil) nominal
- Supply Voltage: −24 VDC (nominal)
- Output: −1 VDC to −21 VDC (within linear range)
- Frequency Response: DC to 10,000 Hz (±3 dB)
- Temperature Range: −35 °C to +177 °C (probe tip)
- Target Material: AISI 4140 steel or equivalent ferromagnetic alloy
- Connector: Standard Bently Nevada coaxial, gold-plated
- Weight: 660 g (with cable)
- Compliance: API 670, CE, RoHS
- Country of Origin: United States
Proven Application Environments
- Steam and gas turbines (power generation, petrochemical)
- Centrifugal and axial compressors
- Pumps and fans in critical service
- Gearboxes and expanders
- Hydro turbines and motor-driven equipment
- Offshore platforms and LNG facilities
- Refinery and chemical plant rotating equipment
Engineering Advantages
- API 670 Compliant: Drop-in replacement for existing 3300 XL installations without recalibration.
- Wide Temperature Tolerance: Operates reliably in high-heat turbine environments up to 177 °C.
- High Signal Fidelity: 200 mV/mil sensitivity delivers precise shaft position and vibration data.
- Integral Extension Cable: Factory-matched 5 m cable eliminates field-assembly errors and impedance mismatches.
- Gold-Plated Connector: Corrosion-resistant termination ensures long-term signal integrity in harsh environments.
- Broad Frequency Response: DC to 10 kHz captures both slow-roll and high-frequency vibration events.
System Architecture & Signal Flow
The 330851-06-000-070-10-00-05 probe operates as part of a three-component transducer system:
- Proximity Probe (this unit) – Senses shaft gap via eddy-current field.
- Extension Cable – Integral 5 m cable transmits the raw oscillator signal.
- Proximitor® Sensor / Driver – Conditions the signal and outputs a calibrated DC voltage to the 3300 XL monitor rack (e.g., 3300/16 or 3500/42M).
The output voltage is linearly proportional to the gap between the probe tip and the target shaft surface, enabling real-time radial vibration, axial position, and eccentricity measurement within the Bently Nevada System 1® or 3500 Series monitoring platform.
Sourcing & Quality Verification
- Source: Authorized distribution channel and verified surplus inventory.
- Inspection: Each unit undergoes visual inspection, connector integrity check, and documentation review prior to shipment.
- Traceability: Original manufacturer labeling and part markings preserved.
- Warranty: 90-day functional warranty against defects in materials and workmanship.
- Packaging: Anti-static, padded packaging with moisture barrier for international transit.
Procurement Process
- Submit your RFQ or purchase order via support@konmask.com or the website checkout.
- Receive order confirmation and proforma invoice within 1 business day.
- Payment via T/T, PayPal, or credit card (Shopify Payments).
- Dispatch within 2–5 business days; DHL / FedEx express available.
- Tracking number and commercial invoice provided for customs clearance.
Technical FAQ
Q: Is this probe compatible with the Bently Nevada 3500 Series monitors?
A: Yes. The 3300 XL probe family is electrically compatible with 3500 Series Proximitor® drivers when used with the correct extension cable and driver pairing.
Q: What target material is required?
A: The probe is calibrated for AISI 4140 steel. Other ferromagnetic alloys may require a calibration correction factor; consult the Bently Nevada TN-13 application note.
Q: Can this unit replace a 330851-06-000-070-10-00-00?
A: The suffix -05 denotes a 5 m integral cable vs. the -00 (no integral cable) variant. Verify your installation cable routing before substituting.
Q: Do you provide calibration certificates?
A: Factory calibration documentation is included where available. Third-party NIST-traceable calibration can be arranged upon request.
Q: What is the lead time for bulk orders?
A: Standard stock ships within 2–5 days. For quantities >5 units, contact us for availability and volume pricing.
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