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330186-02

3300 XL Shaft Micrometer

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Technical specifications for 330186-02

  • Product Model
    330186-02
  • Product Parameters
    3300 XL Shaft Micrometer
  • Tariff Code
    8537101190
  • Country of origin
    USA
  • Place of shipment
    Xiamen, China
  • In stock
    1 unit
  • Estimated Shipping Size
    15.2x24.6x35.6cm
  • Manufacturer
    Bently Nevada
  • Weight
    2.8 kg
  • Scale Units
    Metric
  • Measuring Range
    0–25 mm
  • Resolution
    0.01 mm
  • Accuracy
    ±0.003 mm
  • Measurement Principle
    Precision spindle micrometer
  • Spindle Thread Pitch
    0.5 mm
  • Thimble Graduation
    0.01 mm

Description

The 330186-02 is a shaft micrometer from the Bently Nevada 3300 XL accessories product family, manufactured by Bently Nevada (Baker Hughes). It is configured in metric units with a 0 to 50 mm measurement range and a C-frame design specifically for measuring cylindrical shafts.

The 3300 XL Shaft Micrometer is primarily used to check theoutput signal of a Proximitor Sensor when viewing the rotorshaft or a reciprocating compressor piston rod. A strapattaches to a mounting base, is wrapped around the target,and is tightened to hold the mounting base firmly in position.A spindle micrometer verifies the Proximitor Sensor outputsignal. A probe mounting adapter holds the probe in themounting base, and the micrometer moves the probe3300XL Monitor and TransducerVerification KitsDatasheetBently Nevada Machinery Condition Monitoring 141196 Rev. Ftoward and away from the target in calibratedincrements. The output from the ProximitorSensor is recorded using a voltmeter.

The micrometer is a precision mechanical measuring instrument featuring a hardened steel C-frame with satin chrome finish and a 60-degree V-anvil that centers on cylindrical shafts for accurate diameter measurement. The spindle and anvil measuring faces are ground and micro-lapped for precision. The spindle thread pitch is 0.5 mm with thimble graduation of 0.01 mm, providing a resolution of 0.01 mm (0.4 mil) and accuracy of ±0.01 mm.

Alternative Names

330186-O2 330I86-02 33OI86-02 330I86 02 330I86 O2 33OI86 02

Information

Overview Manuals Application Notes Product Applications Comparison with Related Models

Features:

  • Primarily Used for Rotor Shaft and Piston Rod Verification
  • Strap-Mounted Base for Secure Attachment
  • Spindle Micrometer for Calibrated Probe Movement
  • Probe Mounting Adapter for Secure Probe Holding
The 330186-02 is a shaft micrometer from the Bently Nevada 3300 XL accessories product family, manufactured by Bently Nevada (Baker Hughes). It is configured in metric units with a 0 to 50 mm measurement range and a C-frame design specifically for measuring cylindrical shafts.

The micrometer is a precision mechanical measuring instrument featuring a hardened steel C-frame with satin chrome finish and a 60-degree V-anvil that centers on cylindrical shafts for accurate diameter measurement. The spindle and anvil measuring faces are ground and micro-lapped for precision. The spindle thread pitch is 0.5 mm with thimble graduation of 0.01 mm, providing a resolution of 0.01 mm (0.4 mil) and accuracy of ±0.01 mm.

A ratchet stop mechanism ensures consistent measuring force, eliminating operator-dependent variations. A spindle locking device holds the measurement reading for transfer or recording. The zero point is adjustable for calibration verification.

The 330186-02 Bently Nevada 3300 XL Shaft Micrometer may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
Bently Nevada 330186-02 3300 XL Shaft Micrometer 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. All prices are shown in USD.
The 330186-02 is commonly used when verifying vibration, shaft position, thrust position, and rod drop measurement systems. It is also suitable for generating calibration curves when configuring reciprocating compressor Rod Drop Monitors, ensuring that the monitor accurately reflects probe displacement over the required operating range.
 
The kit includes interchangeable probe mounting adapters compatible with a wide range of Bently Nevada proximity probes, including 3300 XL 5 mm, 3300 XL 8 mm, 3300 XL 11 mm, 3300 XL 14 mm, 3300 NSv, 3300 RAM, and 7200 Series transducer systems. This broad compatibility allows a single verification instrument to support multiple machinery monitoring applications across different equipment types.
  • Oil/Gas Refineries: Tests eddy current probes tracking turbo-machinery like process compressors and high-pressure pumps.
  • Power Generation: Calibrates vibration probes on turbine rotors and differential expansion in gas/steam/hydro plants
  • Industrial Manufacturing: Confirms specs on critical rotating elements, mixers, and fluid-film bearing assets
  • Marine Automation: Used in service/acceptance testing of shipboard propulsion, automation, and thrusters
  • Radial Vibration Loops: Verifies calibration of proximity probes measuring shaft movement and orbit trajectories
  • Axial Position Loops: Calibrates sensors tracking static thrust displacement of rotor relative to casing
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
330185-02 (Precision Micrometer): This is a standalone benchtop or casing-mounted gauge. It features a heavy-duty frame designed to hold a proximity probe rigidly in place over a flat target button. It is primarily used for acceptance testing or validation in a workshop or laboratory environment.

330186-02 (Shaft Micrometer): This tool features a specialized mounting base and a flexible strap mechanism. The strap wraps directly around a large-diameter machine target—such as a compressor piston rod or a turbine rotor shaft. This allows field engineers to perform in-place system verification without stripping down the machinery.

Technical notes

When using the 330186 to generate an output curve for programming a Rod Drop Monitor on a reciprocating compressor, it is important to use the buffered output signal on the front of the rod drop monitor rather than the output signal on the Proximitor Sensor. This is because the Rod Drop Monitor is programmed by the user based on the signal at the monitor, and this signal will vary from the output signal on the Proximitor Sensor if intrinsic safety barriers are being used. The 330186 ensures accurate programming by enabling verification at the monitor level.

FAQs

  • What is 330186-02?

    +
    The Bently Nevada 330186-02 is a 3300 XL series shaft micrometer calibrated in metric units (0-25 mm)
  • What is the difference between the -02 and the -01?

    +
    Both are Bently Nevada shaft micrometers used to simulate physical shaft movement, but the -02 is calibrated in metric units (0-25 mm), while the -01 is calibrated in English units (0-1 inch).
  • What does the kit include?

    +
    The unit comes with probe mounting adapters for multiple thread sizes (1/4 inch, 3/8 inch, 1/2 inch, 5/8 inch, M8, M10, M14, and M16).
  • What measurement units does this model use?

    +
    The -02 suffix designates metric scale units covering a measurement span of 0 to 25 mm.
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Disclaimer: Amikon Limited sells new and surplus products and develops channels for purchasing such products. Amikon Limited is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because Amikon Limited is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. Amikon Limited is not an authorized distributor, dealer, or representative of the products displayed on this website. All product names, trademarks, brands, and logos used on this website are the property of their respective owners. The description, explanation, or sale of products with these names, trademarks, brands, and logos is for identification purposes only and is not intended to indicate any association with or authorization from any rights holder.
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