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In Stock
8 mm Standard Mount Probe

21504-000-012-05-02

Spare Part Number

PN21504-000-012-05-02

Product Information:

7200 Proximity Transducer Systems

5 mm and 8 mm

The 7200 5 mm and 8 mm Proximity

Transducer Systems are noncontacting,

gap-to-voltage transducer systems

  • One-year warranty
  • Global shipping
  • Exact-model verification
Technical specifications for

21504-000-012-05-02

0 TECHNICAL PARAMETERS
  • Manufacturer:
    Bently Nevada
  • Product Category:
    Sensor
  • Spare Part Number:
    21504-000-012-05-02
  • Estimated shipping dimensions:
    15 x 20 x 14 cm
  • Weight:
    0.4 kg
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
  • Unthreaded Length:
    0.0 in
  • Overall Case Length:
    1.2 inches
  • Total Length:
    0.5 metre (20 inches)
  • Connector:
    With miniature male coaxial connector
  • DIAMETER:
    8 mm
  • CONFIGURATION TYPE:
    Standard
  • THREADS:
    3/8-24
  • LEAD ARMOR:
    No
  • Series:
    Bently Nevada
  • Stock:
    30
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Alternative Names

215040000120502 21504 000 012 05 02

Information

Overview Manuals Principle

Features:

  • 5 mm and 8 mm Standard Mount Probe
  • 7200 Proximity Transducer Systems 5 mm and 8 mm
  • Noncontacting, gap-to-voltage transducer systems
The 7200 5 mm and 8 mm Proximity Transducer Systems are noncontacting, gap-to-voltage transducer systems that measure static as well as dynamic distances between the probe tip and the observed target. The general application is any requirement for an accurate, noncontacting displacement measurement. However, the most common use is for shaft position and vibration measurements on rotating and reciprocating machinery.

They are designed for use with virtually any machine type including gas and steam turbines, compressors, pumps, centrifuges, electric motors and generators. The systems offer 80 mils (2 mm) of linear measuring range and are compatible with API 670 requirements.

The 21504-000-012-05-02 Bently Nevada 8 mm Standard Mount Probe may still be available for purchase and support from Moore Automated Company beyond End-Of-Life (EOL) by the manufacturer (OEM).
Bently Nevada 21504-000-012-05-02 8 mm Standard Mount 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.
The 5 mm and 8 mm systems use the same type of Proximitor. Both 5 and 9 metre Proximitors are available. A threeconductor, shielded cable provides the signal output and power source input between 7200 Proximitors and Bently Nevada monitors. Proximitors can be located up to 1,000 feet from standard Bently Nevada monitors without degradation of performance
PRODUCT & ORDER FAQS

Questions buyers ask about 21504-000-012-05-02

  • What is the precise engineering function of 21504-000-012-05-02 within the 7200 Proximity Transducer System topology?

    The 21504-000-012-05-02 is a configured eddy current proximity probe assembly designed for integration into the 7200 Proximity Transducer System. Within the measurement architecture, the 21504-000-012-05-02 serves as the primary electromagnetic sensing interface responsible for detecting shaft displacement relative to the probe tip and transmitting the corresponding impedance variation to the system driver module.
  • How does 21504-000-012-05-02 utilize electromagnetic induction principles to deliver high-resolution displacement measurement?

    The 21504-000-012-05-02 generates a high-frequency radio-frequency (RF) excitation field at its probe tip. When positioned adjacent to a conductive target surface, induced eddy currents modify the probe coil impedance in proportion to the probe-to-target separation. The 21504-000-012-05-02 transmits this modulated signal to the 7200 signal conditioner, which demodulates and linearizes the output into a calibrated voltage representing shaft displacement.
  • What are the defining metrological characteristics that delineate the linear operating envelope of 21504-000-012-05-02?

    When installed in accordance with 7200 system specifications, the 21504-000-012-05-02 provides a defined linear displacement measurement range consistent with its probe diameter classification. It maintains a stable sensitivity coefficient (expressed in mV/mil or mV/µm) and exhibits minimal thermal drift within its rated operating temperature limits. These characteristics ensure repeatable and traceable shaft vibration measurements.
  • How does 21504-000-012-05-02 ensure operational robustness in industrial turbomachinery environments?

    The 21504-000-012-05-02 is constructed using high-strength metallic housing materials and hermetically sealed components to withstand oil contamination, humidity exposure, and mechanical shock. Its reinforced cable assembly and corrosion-resistant surfaces contribute to long-term environmental durability in applications such as steam turbines, compressors, and high-speed pumps.
  • How does electromagnetic interference mitigation enhance the signal reliability of 21504-000-012-05-02?

    The 21504-000-012-05-02 incorporates shielded coaxial cable construction and optimized grounding practices to reduce susceptibility to electromagnetic interference (EMI) and radio-frequency interference (RFI). These design measures maintain high signal-to-noise ratio performance, particularly in electrically aggressive environments featuring high-voltage motors or switching devices.
  • Why is precision gap setting essential during commissioning of 21504-000-012-05-02?

    The 21504-000-012-05-02 must be installed within its calibrated linear region to ensure optimal measurement fidelity. Verification of the initial DC bias (gap voltage) ensures that the probe operates at the midpoint of its displacement range, maximizing dynamic bandwidth and minimizing nonlinear response distortion.
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Moore Disclaimer: Moore Automated's sales automation equipment and related solutions are intended for industrial automation and business operational efficiency improvement purposes only. Product information, technical parameters, and application cases are for reference only and do not constitute an absolute guarantee of performance for any specific industry, scenario, or final application. Actual equipment performance may vary depending on factors such as the usage environment, system integration method, and maintenance conditions. Users should confirm compatibility and safety based on professional technical assessments. Moore Automated assumes no liability for any direct or indirect losses caused by improper use, modification, or failure to operate according to specifications, to the extent permitted by law.

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