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330708-00-20-10-12-00

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The 330708‑00‑20‑10‑12‑00 model is a high‑precision Bently Nevada 3300 XL 11 mm proximity probe designed for industrial vibration and shaft position monitoring of rotating machinery.
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Technical specifications for 330708-00-20-10-12-00

  • Manufacturer:
    Bently Nevada
  • Part Number:
    330708-00-20-10-12-00
  • Product Family:
    3300 XL 11mm Proximity Transducer System
  • Sensitivity:
    3.94 V/mm (100 mV/mil) ±5%
  • Linear Measurement Range:
    0 to 4.0 mm (0 to 160 mils)
  • Frequency Response:
    DC to 12 kHz ±1 dB
  • Output Signal:
    Linear DC voltage proportional to displacement
  • Power Supply:
    -17.5 VDC to -26 VDC (via 3300 XL Proximitor)
  • Target Material:
    Ferrous (steel)
  • Output Impedance:
    < 100 Ω
  • Weight:
    0.6 kg
  • Estimated shipping dimensions:
    30x25x3cm
  • Tariff Code:
    8537101190
  • 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 Product Applications Communication Certifications

Features:

  • 11 mm Proximity Probe Delivers Precise Shaft Position And Vibration Measurement.
  • Durable Stainless Steel Housing Ensures Reliable Operation In Challenging Industrial Conditions.
  • Seamlessly Integrates With 3300 XL Series And 3500 Monitoring Systems For Machinery Protection.
The 330708‑00‑20‑10‑12‑00 is an 11 mm proximity probe from Bently Nevada’s 3300 XL series, designed for non-contact monitoring of rotating machinery. Its rugged construction and high-quality cable assembly provide stable signal transmission even under harsh industrial conditions such as vibration, moisture, and dust.

This probe measures shaft displacement and vibration with high accuracy, transmitting real-time data to monitoring systems such as the Bently Nevada 3500 series. It helps detect mechanical issues early, including imbalance, misalignment, and bearing faults, supporting preventive maintenance and minimizing unplanned downtime.

Featuring a miniature ClickLoc coaxial connector and durable FluidLoc cable, the 330708‑00‑20‑10‑12‑00 is easy to install and maintain. Its reliable performance, combined with compatibility across 3300 XL series sensors, makes it ideal for turbines, compressors, pumps, motors, and other critical rotating equipment in industrial plants.

The 330708-00-20-10-12-00 Bently Nevada 3300 XL 11 mm proximity probe may still be available for purchase and support from authorized distributors beyond End-Of-Life (EOL) by the manufacturer (OEM).
Bently Nevada 330708-00-20-10-12-00 3300 XL 11 mm proximity probe 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 330708-00-20-10-12-00 3300 XL 11 mm Proximity Probe

General

  • Manufacturer GE / Bently Nevada
  • Model 330708-00-20-10-12-00
  • Condition New Original ready stock
  • Product Family 330708-00-20-10-12-05,330708-00-20-10-12-CN,330708-00-20-10-12-RU
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.
  • Large steam/gas turbines: Monitor bearing axial displacement (thrust position). The 11mm probe has a wider linear range (approximately 4mm), accommodating significant thermal expansion and displacement during startup and operation of large units.
  • Heavy-duty centrifugal compressors: Used to monitor radial vibration and shaft position, especially under high-temperature and harsh environmental conditions.
  • Differential expansion monitoring: Measures the relative thermal expansion difference between the turbine rotor and the casing.
  • Signal Type: High-frequency AC voltage signal.
  • Connection Method: Connect to the preamplifier via the included 1.0-meter (10) extension cable using the ClickLoc (12) coaxial connector.
  • Features: This link is highly impedance sensitive and therefore requires a 3300 XL 11mm preamplifier. Thanks to FluidLoc sealing technology, signal transmission remains stable even in oil-permeable environments.
  • ATEX/IECEx: Suitable for the European and international markets. Typically certified at Ex ia IIC T4/T1 Ga (intrinsically safe), allowing use in Zones 0, 1, and 2.
  • CSA/NRTL/C: Suitable for the North American market. Complies with intrinsic safety standards of Class I, Division 1, Groups A, B, C, and D.
  • Domestic Certification: If this model does not have a "CN" suffix, it usually refers to the globally certified version; if required for specific projects, intrinsic safety certification conforming to Chinese GB standards (Ex) can be provided.
Description
The 330708‑00‑20‑10‑12‑00 is a high-precision 11 mm proximity probe from the Bently Nevada 3300 XL series, engineered for non-contact vibration and shaft position monitoring of critical rotating machinery. This industrial-grade probe utilizes eddy-current technology to provide accurate, real-time measurements of shaft displacement and vibration, enabling early detection of imbalance, misalignment, and other mechanical faults that could compromise equipment reliability or lead to unplanned downtime.

Featuring a rugged stainless steel housing and miniature coaxial ClickLoc connector paired with FluidLoc cable, the probe is built to withstand harsh industrial environments while minimizing signal noise and moisture ingress. The integrated design allows direct connection to condition monitoring systems such as the Bently Nevada 3500 series, supporting effective predictive maintenance and machinery protection.

With a total cable length of approximately 1.0 meter and no unthreaded portion on the tip, the 330708‑00‑20‑10‑12‑00 simplifies installation in equipment racks and monitor assemblies. Its robust performance makes it suitable for use in turbines, compressors, pumps, motors, and other critical rotating equipment where vibration and position data are essential for safe operations.

Alternative Names
330708-00-20-10-12-05 330708-00-20-10-12-RU 330708-00-20-10-12-CN 330708-00-20-10-12-BR
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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 type of probe is the 330708‑00‑20‑10‑12‑00?
It is an 11 mm 3300 XL series proximity probe designed for accurate vibration and shaft position monitoring in industrial machinery.
Which systems is this probe compatible with?
It is compatible with Bently Nevada 3500 series monitoring systems and other 3300 XL series sensor interfaces.
What applications is this probe suitable for?
It is commonly used on turbines, compressors, pumps, motors, and other rotating equipment to detect shaft displacement, vibration, imbalance, and misalignment.