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Bently Nevada PLC/

Bently Nevada 128987-130-00-00 Proximity Sensor Probe

Brand:Bently Nevada PLC
Item No.:128987-130-00-00
Product Origin:USA
Product Dimensions:241 mm × 24 mm × 163 mm
Product Weight:0.18KG
Payment:T/T, Western Union, Credit Card
Goods_stock:15
Shipping Port:Xiamen, China
Lead Time:1-3 Days
Condition:Brand New And Original
Warranty:1 Year
Certificate:COO
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  • Product Details
  • Product Applications
  • Product Advantages
  • Technical FAQs
  • Contact


Bently Nevada 128987-130-00-00 Proximity Sensor Probe


Overview — Precision Sensing for Demanding Rotating Machinery

The Bently Nevada 128987-130-00-00 Proximity Sensor Probe is engineered for high-accuracy shaft vibration and position measurement, forming a critical part of the 3300 XL Proximity Transducer System. Built for rugged industrial environments, this probe combines durability with exceptional linearity, ensuring stable and dependable readings even in harsh, high-temperature machinery applications. Its refined sensing performance makes it a trusted choice for turbomachinery, compressors, and high-value rotating assets where precision monitoring directly influences uptime and asset safety.


Technical Specifications — Mechanical & Performance Details

Specification Description
Probe Type Proximity Sensor Probe (3300 XL Series)
Sensitivity 7.87 mV/µm (200 mV/mil) typical
Linear Range 2 mm to 3.4 mm (0.08 in to 0.135 in) depending on system configuration
Probe Tip Diameter 8 mm
Cable Length 5 m (per “130” length code)
Target Material AISI 4140 steel or equivalent conductive material
Operating Temperature –34°C to +177°C
Environmental Rating Chemically resistant, oil-resistant, vibration-rated
Connector Type Standard BNC-style probe connector
Dimensions 241 mm × 24 mm × 163 mm (assembly routing length and profile vary by installation)
Weight Approx. 0.18 kg (0.40 lb)

Applications — Designed for High-Value Rotating Assets

  • Turbine vibration and displacement measurement

  • Centrifugal compressors and pumps

  • Steam and gas turbines

  • Gearbox shaft monitoring

  • High-speed rotating machinery found in petrochemical and refinery operations

  • Predictive maintenance and protection systems using Bently Nevada 3500 or 2300 series

Advantages — Why This Probe Is Preferred by Reliability Teams

  • Exceptional linearity and temperature stability ensures reliable displacement readings

  • Rugged construction built to withstand oil, chemical exposure, and continuous vibration

  • Highly accurate shaft-to-probe gap sensitivity, critical for protection system integrity

  • Seamless compatibility with Bently Nevada drivers and extension cables

  • Long cable reach (coded length) supports flexible routing in large machinery

  • Proven long-term reliability, reducing downtime and maintenance effort


Technical FAQs — Practical Answers for Engineers

  1. Is the probe compatible with all 3300 XL drivers?
    Yes, as long as driver and extension cable lengths match the probe code.

  2. Can the probe withstand high temperatures?
    It is rated for up to +177°C, suitable for most turbine bearing housings.

  3. Does cable length affect calibration?
    Yes — the system must use a matched probe, cable, and driver set.

  4. What shaft materials are acceptable?
    Conductive metals, with AISI 4140 being the calibration reference.

  5. Is the probe interchangeable with older 7200 series probes?
    Not directly; 3300 XL systems use different performance specifications.

  6. Can the probe be used in hazardous areas?
    Hazardous-area certification depends on the overall transducer system.

  7. How is the probe gap adjusted?
    By setting the DC voltage output of the completed transducer system.

  8. Does the probe require periodic recalibration?
    No recalibration of the probe itself, only system verification as required.

  9. Can it measure thrust position?
    Yes, when used with appropriate drivers and mounting.

  10. Is EMI shielding included?
    Yes — the probe and cable assembly are designed to resist electromagnetic interference.

Sales and Business Development

Phone: +8617350837383
E-mail: [email protected]
Skype: +8617350837383
WhatsApp: +8617350837383
Business hours: We Provide Online Support 24/7
Address: Room 1001, Jiuzhou Commercial Building, Xiamen, Fujian Province, China

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