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      330172-08-12-50-02-00

      Proximity Probe
      In Stock
      Fast Shipping Available
      Product image is representative; revision or series may vary. Contact us to request a specific version.

      Product Describe：

      3300 5mm Probe
      1/4-28 UNF thread, with armor
      Eddy Current Proximity Transducer
      PPS Tip, Stainless Steel Case (AISI 303/304)

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      Technical specifications for 330172-08-12-50-02-00

      • Manufacturer:
        Bently Nevada
      • Product Category:
        Machinery Monitoring Systems
      • Spare Part Number:
        330172-08-12-50-02-00
      • Estimated shipping dimensions:
        1.1x0.9x125cm
      • Weight:
        0.1 kg
      • Tariff Code:
        8537101190
      • Counliy of origin:
        USA
      • Unthreaded Length Option:
        0.8 in
      • Overall Case Length Option:
        1.2 in
      • Total Length Option:
        5.0 metres (16.4 feet)
      • Connector Option:
        Miniature coaxial ClickLoc connector, standard cable
      • Agency Approval Option:
        Agency Approval Option
      • Linear Range:
        2.0 mm (80 mils)
      • Recommended Case Torque:
        5.1 N·m (45 in·lb)
      • Min. Cable Bend Radius:
        25.4 mm (1.0 inch)
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      Information

      Overview Manuals Product Precautions Product Precautions
      The 330172-08-12-50-02-00 is an industrial-grade eddy current displacement sensor probe, belonging to the 3300 series 5 mm measurement system. It is specifically designed for non-contact condition monitoring of large industrial rotating machinery.
        • 3300 5 mm probe
        • 3300 XL extension cable (ref 141194-01)
        • 3300 XL Proximitor Sensor (ref 141194-01)
      The system provides an accurate, stable signal output over a wide temperature range. All 3300 XL Proximity Transducer Systems achieve this level of performance with complete interchangeability of probe, extension cable, and Proximitor sensor, eliminating the need for individual component matching or bench calibration. The 3300 5 mm probe improves upon previous designs. A patented TipLoc molding method provides a more robust bond between the probe tip and the probe body. The 3300 5 mm system is orderable with Fluidloc cable options for preventing oil and other liquids from leaking out of the machine through the cable’s interior. The 3300 5 mm probe and 3300 XL extension cable have corrosion-resistant, gold-plated brass ClickLoc connectors. These connectors require only finger-tight torque (connectors will "click"), and the specially engineered locking mechanism prevents the connectors from loosening. The connectors require no special tools for installation or removal.

      Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. 
       Bently Nevada 330172-08-12-50-02-00 Proximity Probe Manuals, Datasheets, Drivers, 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.
      Thermal Power
      Detecting the axial displacement of the main steam turbine shaft to prevent high-speed collisions between rotating and stationary components.

      Hydroelectric Power
      Measuring the radial vibration and runout of the hydro turbine main shaft to assess bearing damage caused by hydraulic impact.

      Nuclear Power
      Used for the protection of core rotating equipment in the conventional island and secondary circuit of nuclear reactors.

      Oil & Gas
      Monitoring the shaft vibration of natural gas injection compressors to prevent unexpected shutdowns during isolated offshore operations.

      Petroleum Refining
      Monitoring bearing clearance variations in rich gas compressors and flue gas expanders to prevent catastrophic degradation under high-temperature and high-pressure conditions.

       When using the 330172-08-12-50-02-00, the following critical points must be observed: During installation, the cable must strictly match the calibrated total length of the Proximitor system (an 8-meter cable typically pairs with a 1-meter probe to form a 9-meter system); cutting or repairing the cable on-site is strictly prohibited to prevent system misalignment. During routing, the minimum bend radius (25.4 mm) must be respected to avoid damaging the coaxial structure through excessive bending, and connector protectors must be applied to shield joints against water, oil, or short circuits. Additionally, the cable must be isolated from power lines to block electromagnetic interference, and a full loop verification and linear calibration must be performed following any replacement or rewiring.

      Alternative Names

      330172 08 12 50 02 00 33O172-O8-12-5O-O2-OO 330I72-08-I2-50-02-00 330174-00-08-50-02-05 330174-00-08-10-02-05 330174-00-08-10-12-05 330174-00-08-50-02-00 330174-00-08-90-02-05

      Technical notes

      The Bently Nevada 330172-08-12-50-02-00 is a 3300 Series 5 mm eddy current proximity probe featuring a 1/4-28 UNF thread without armor, configured with a 0.8-inch unthreaded length, a 1.2-inch overall case length, and a 5.0-meter total cable length, equipped with a ClickLoc miniature coaxial connector with a locking mechanism, and carries no hazardous area approvals. When combined with a 3300 XL Proximitor Sensor and an XL extension cable, the system outputs a voltage signal that is directly proportional to the distance between the probe tip and the observed conductive surface. The system measures both static (position) and dynamic (vibration) data, and is primarily applied in vibration and position measurements on fluid-film bearing machines, as well as Keyphasor and speed measurement applications.

      FAQ View All FAQ

      • What is the 330172-08-12-50-02-00 controller/sensor component?
        This is an extension cable within the Bently Nevada 3300 XL 8mm Proximitor Sensor System. It is used to connect the Proximitor sensor to the probe, primarily for monitoring vibration and axial displacement in large machinery.
      • How do you properly use products like the 330172-08-12-50-02-00?
        Connect one end to the lead cable of a 3300 XL 8mm probe and the other end to the 3300 XL Proximitor. It must match the total system length (typically 9 meters) to maintain proper calibration.
      • What types of machinery is the 330172-08-12-50-02-00 suitable for monitoring?
        It is specifically used for monitoring high-speed rotating machinery, including steam turbines, compressors, pumps, generators, gearboxes, and large electric motors.
      • Does the 330172-08-12-50-02-00 have protective features against harsh environments?
        Yes, its insulating jacket is made of non-stick fluoropolymer (FEP), which provides high resistance to chemicals, moisture, corrosive gases, and lubricating oils.
      • Is a connector protector required for the 330172-08-12-50-02-00 during field wiring?
        It is highly recommended to install a connector protector over the coaxial joints in field environments (where oil or water exposure is possible) to prevent fluid ingress, oil contamination, or accidental short circuits.
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