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129715-138-040-05-CN

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The Bently Nevada 129715-138-040-05-CN is a 3300 XL 8mm proximity sensor designed for precise shaft vibration and position measurement in rotating machinery.
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Technical specifications for 129715-138-040-05-CN

  • Manufacturer:
    Bently Nevada
  • Part Number:
    129715-138-040-05-CN
  • Product Family:
    3300 XL Proximitor Sensor
  • Product Type:
    3300 XL 8mm Proximity Sensor
  • Case Length (-138):
    138 mm
  • Unthreaded Length (-040):
    4.0 in (101.6 mm)
  • Operating Temperature:
    -51 °C to +177 °C (-60 °F to +351 °F)
  • System Voltage:
    -24 VDC (via Proximitor)
  • Approvals (-CN):
    ATEX, IECEx, and Chinese NEPSI Hazardous Area
  • Weight:
    0.24 kg
  • Estimated shipping dimensions:
    13.8x8x8xcm
  • Tariff Code:
    7410219000
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Use Cases Diagnostics Connectivity

Features:

  • Stainless steel armored construction with PPS sensing tip ensures strong mechanical durability and environmental resistance.
  • High-sensitivity measurement system provides stable displacement detection with controlled linear response characteristics.
  • Certified for ATEX, IECEx, and NEPSI hazardous area use, supporting global industrial safety compliance.
The Bently Nevada 129715-138-040-05-CN is widely used in rotating machinery monitoring systems where accurate shaft position and vibration detection are critical. It plays a key role in turbine and compressor protection systems, helping ensure operational stability and safety. The rugged stainless steel construction allows it to withstand continuous vibration and mechanical stress. Its armored cable design reduces the risk of damage in industrial environments with heavy equipment movement. The Bently Nevada 129715-138-040-05-CN supports long-term predictive maintenance strategies in power and process industries.

In automation and condition monitoring platforms, the Bently Nevada 129715-138-040-05-CN provides reliable signal output for real-time equipment diagnostics. It helps detect early mechanical changes such as imbalance or shaft displacement before system failure occurs. The secure Click-Loc connector ensures consistent electrical performance in high-vibration applications. Its compatibility with Proximitor systems enables easy integration into existing monitoring architectures. The Bently Nevada 129715-138-040-05-CN enhances equipment protection and reduces unexpected downtime.

In harsh industrial environments, the Bently Nevada 129715-138-040-05-CN maintains stable performance under extreme thermal and pressure conditions. It operates reliably between -51 °C and +177 °C, making it suitable for both cold-region and high-temperature installations. The pressure-rated case sealing supports operation up to 7.0 bar, ensuring durability in demanding process systems. Its hazardous area certifications further extend its applicability in regulated industrial sectors. Overall, the Bently Nevada 129715-138-040-05-CN delivers dependable monitoring performance in complex industrial infrastructures.

The 129715-138-040-05-CN Bently Nevada 3300 XL 8mm Proximity Sensor may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Bently Nevada 129715-138-040-05-CN 3300 XL 8mm Proximity Sensor Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Bently Nevada 129715-138-040-05-CN 3300 XL 8mm Proximity Sensor Specs

General

  • Manufacturer Bently Nevada
  • Model 129715-138-040-05-CN
  • Condition New Original ready stock
  • Product Family 129715-138-040-05-00,129715-138-040-05-05,129715-138-040-05-BR
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Long-term, continuous monitoring of the mechanical operating status of generator main shafts in the high-temperature, high-humidity environments of large steam and gas turbines.
  • High-speed centrifugal compressors used in the petrochemical industry provide real-time protection for high-speed shaft systems against sudden vibration damage.
  • Large industrial water pumps deployed in power plants or water conservancy projects provide high-frequency dynamic tracking of clearance changes in liquid film bearings.
  • Embedded in predictive maintenance systems for rotating machinery, sensor signals are directly connected to the Bently Nevada 3500 monitoring system.
  • Monitor shaft vibration in rotating machinery to identify early faults such as rotor imbalance, misalignment, or component loosening.
  • Measure axial displacement in large industrial equipment to accurately track the wear condition of thrust bearings.
  • Dynamically monitor radial displacement and analyze the real-time movement trajectory of journals in fluid dynamic bearings.
  • Provide accurate Keyphasor speed reference signals to provide phase data for system fault analysis.
  • The interface uses ClickLoc gold-plated coaxial connectors with a proprietary locking mechanism, allowing for secure locking with a simple fingertightening.
  • Tool-free, quick-connect SpringLoc terminal blocks significantly accelerate cable connection between field terminals and the monitoring system.
  • The sensor housing design provides electrical isolation, eliminating the need for additional insulation plates to block ground loop interference.
  • The cable can be equipped with a patented FluidLoc liquid-resistant layer to effectively prevent internal lubricating oil from leaking out along the cable core.
Description
The Bently Nevada 129715-138-040-05-CN 3300 XL 8mm proximity sensor is developed for accurate displacement and vibration monitoring in critical rotating equipment. It is engineered to deliver stable measurement performance in environments where mechanical stability and signal reliability are essential. The sensor is commonly used in condition monitoring systems for turbines, compressors, and similar machinery. Its structural design supports long-term installation in demanding industrial settings. The Bently Nevada 129715-138-040-05-CN ensures consistent operation even under harsh mechanical stress.

The Bently Nevada 129715-138-040-05-CN features an AISI 303 stainless steel case combined with integral stainless steel armored cable protection, enhancing resistance to physical damage. Its Polyphenylene Sulfide (PPS) tip material improves durability under high temperature and chemical exposure conditions. The miniature coaxial Click-Loc connector provides secure signal transmission and reduces connection instability risks. These material choices contribute to reliable long-term operation in industrial environments. The Bently Nevada 129715-138-040-05-CN is designed to maintain structural integrity under continuous vibration exposure.

In terms of measurement performance, the Bently Nevada 129715-138-040-05-CN provides a linear range of 2.0 mm (80 mils) for precise shaft displacement tracking. It offers a scale factor of 7.87 V/mm (200 mV/mil), enabling highly responsive signal output. Linearity error remains below ±6.5%, supporting dependable measurement accuracy in monitoring systems. The sensor operates with a -24 VDC supply through a Proximitor interface, ensuring compatibility with standard monitoring setups. The Bently Nevada 129715-138-040-05-CN delivers stable signal behavior for predictive maintenance applications.
Alternative Names
129715-138-040-05-00 129715-138-040-05-BR 129715-138-040-05-RU 129715-138-040-05-05 I297I5-I38-040-05-CN 129715-138-O4O-O5-CN 1297151380405CN 129715138O4OO5CN
Technical notes
The Bently Nevada 129715-138-040-05-CN is a high-precision proximity sensor with 2.0 mm linear range, 7.87 V/mm scale factor, and operating temperature range from -51 °C to +177 °C for industrial machinery monitoring applications.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What operating environments suit Bently Nevada 129715-138-040-05-CN for long-term installation?
Designed for harsh industrial conditions including extreme temperature ranges from -51 °C to +177 °C and pressure environments up to 7.0 bar.
Why does Bently Nevada 129715-138-040-05-CN use stainless steel armored cable protection?
Stainless steel armor improves mechanical durability and protects signal integrity in vibration-heavy industrial machinery.
How does Bently Nevada 129715-138-040-05-CN support hazardous area compliance?
Certifications including ATEX, IECEx, and Chinese NEPSI support safe deployment in regulated environments.

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