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21501-00-16-05-02

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Bently Nevada 21501-00-16-05-02 5 mm standard mount probe provides precise non-contact shaft displacement and vibration measurements for continuous rotating machinery condition monitoring.
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Technical specifications for 21501-00-16-05-02

  • Manufacturer:
    Bently Nevada
  • Part Number:
    21501-00-16-05-02
  • Product Family:
    7200 Proximity Transducer Systems
  • Product Type:
    5 mm Standard Mount Probe
  • Stock:
    1
  • Unthreaded Length Option:
    0.0 inches
  • Overall Case Length Option:
    1.6 inches
  • Total Length Option:
    0.5 metre (20 inches)
  • Conector Option:
    With miniature male coaxial connector.
  • Diameter:
    5 mm
  • Configuration Type:
    Standard
  • Thread Size:
    1/4-28
  • Lead Armor:
    Yes (Stainless Steel)
  • Operating Temperature:
    -30°F to +350°F (-34°C to +177°C).
  • Relative Humidity:
    To 95%, noncondensing.
  • Weight:
    0.2 kg
  • Estimated shipping dimensions:
    16x3x3cm
  • Tariff Code:
    8481809000
  • 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 Connections Safety Application Scenarios

Features:

  • Supports comprehensive shaft vibration, thrust position, eccentricity, and phase measurements for rotating machinery diagnostics.
  • Compact fiberglass probe with stainless steel lead armor for reliable installation in confined industrial environments.
  • Wide 0 Hz to 10 kHz frequency response with 80 mils (2 mm) linear range for accurate dynamic and static monitoring.
Bently Nevada 21501-00-16-05-02 is widely applied in machine condition monitoring systems where accurate shaft motion data is essential for equipment reliability. The probe provides valuable information for maintenance personnel by continuously monitoring vibration and displacement characteristics. Early detection of abnormal machine behavior helps reduce unplanned downtime and maintenance costs. Compact dimensions make installation practical in equipment with limited mounting space.

The measurement capability of Bently Nevada 21501-00-16-05-02 extends beyond basic vibration monitoring. Engineers can evaluate thrust bearing condition, rotor stability, shaft centerline movement, eccentricity, and phase relationships using data collected by the probe. Such information supports advanced machinery diagnostics through Polar and Bode analysis. Reliable measurement performance contributes to improved maintenance planning and operational efficiency.

Bently Nevada 21501-00-16-05-02 combines a fiberglass probe body, a miniature male coaxial connector, and stainless steel lead armor to provide dependable long-term operation in industrial environments. The probe maintains stable performance across a broad operating temperature range and high humidity conditions. Compatibility with the 7200 proximity transducer family allows the sensor to serve a variety of rotating equipment applications. Flexible installation and durable construction make the probe a practical choice for continuous machinery monitoring.

The 21501-00-16-05-02 Bently Nevada 5 mm Standard Mount Probe may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Bently Nevada 21501-00-16-05-02 5 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.
Bently Nevada 21501-00-16-05-02 5 mm Standard Mount Probe Specs

General

  • Manufacturer Bently Nevada
  • Model 21501-00-16-05-02
  • Condition New Original ready stock
  • Product Family 21501-00-16-05-00,21501-00-16-10-02,21501-00-16-50-02
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.
  • High-Frequency Connector Contamination Prevention: Equipped with a Miniature Male coaxial connector. Before connection, use an electronic cleaner to remove oil and ensure impedance matching.
  • Armor Grounding Specification: The stainless steel armor layer near the preamplifier must be properly grounded at one end to prevent ground loops.
  • System Total Electrical Length Matching: The included cable is 0.5 meters long. It must be strictly matched with the corresponding 7200 series extension cable in the circuit to achieve a total length of 5.0 meters or 9.0 meters.
  • Connection Insulation Sealing: After connecting to the extension cable, use a dedicated sleeve or self-adhesive insulating tape for physical wrapping to prevent contact with the housing and subsequent signal grounding faults.
  • High-Mobility Mechanical Protection: Equipped with a fully covered stainless steel armored tube, it can withstand high-intensity external pressure and effectively prevents sharp metal debris from scratching the internal coaxial core wire.
  • Intrinsically Safe Explosion-Proof: This 7200 series probe has passed early CSA/FM hazardous area certification and meets intrinsically safe explosion-proof requirements when used with a standard safety barrier.
  • Extreme Anti-Misalignment Locking: Uses 1/4-28 standard imperial thread for installation. On units subject to severe vibration, double locking nuts must be installed to prevent the probe from loosening and impacting the shaft surface, causing a serious accident.
  • No Hot-Swapping While Powered On: When the proximitor is powered on, it is strictly forbidden to disassemble or connect this high-frequency coaxial connector to prevent instantaneous voltage spikes from damaging the internal capacitors of the proximitor.
  • Early Industrial Steam Turbine Retrofitting: Widely used inside the bearing housings of older generator steam turbines installed in the 1990s, serving as a direct original equipment manufacturer (OEM) replacement for the original 7200 system.
  • High-Speed ​​Centrifugal Crude Oil Pumps: Deployed in the bearing end covers of high-speed centrifugal pumps used in oil pipelines, utilizing stainless steel armor to physically resist sludge corrosion in high-temperature oil splash environments.
  • Small Gearbox Input Shaft Monitoring: Suitable for industrial reducers and speed-increasing gearboxes with limited installation space, providing real-time monitoring of high-frequency speed (Keyphasor) and axial movement.
  • Partial Maintenance of Legacy Circuits: When the existing control systems of large steel mills or petrochemical plants are still using the 18745 preamplifier and the overall budget is limited, this model can provide low-cost, partial repairs without upgrades.
Description
Bently Nevada 21501-00-16-05-02 is a 5 mm standard mount probe engineered to measure shaft vibration, shaft position, and displacement in rotating machinery. The probe features a standard configuration with a 5 mm diameter, 1/4-28 thread, 0.0 inch unthreaded length, 1.6 inch overall case length, and a 0.5 metre (20 inches) integral cable. A miniature male coaxial connector and stainless steel lead armor provide dependable mechanical protection and secure electrical connection in industrial environments.

The 21501-00-16-05-02 is suitable for a wide range of machine monitoring applications. It supports radial vibration measurements for evaluating bearing condition and identifying machine faults such as rotor imbalance and misalignment. The probe also measures axial thrust position to determine thrust bearing wear or detect potential bearing failure. In addition, shaft average radial position helps determine rotor attitude angle, while eccentricity measurements provide valuable information about rotor bow. Vibration amplitude and phase angle data can also be used for Polar and Bode diagnostic plots.

Designed for reliable operation in demanding industrial environments, the 21501-00-16-05-02 operates over a temperature range of -30°F to +350°F (-34°C to +177°C) with relative humidity up to 95% non-condensing. The 5 mm probe is constructed of fiberglass, making it suitable for confined installation spaces while maintaining dependable measurement performance. The transducer provides an 80 mils (2 mm) linear range with a scale factor of 200 mV/mil (8 V/mm), supporting accurate shaft motion monitoring across a variety of applications.

The 21501-00-16-05-02 belongs to the proven 7200 proximity transducer family, which offers a frequency response from 0 Hz (DC) to 10 kHz for dynamic and static measurements. Bently Nevada introduced Cable LoC technology on the improved 8 mm version to strengthen the cable-to-probe connection and enhance durability during installation and service. Multiple probe configurations are available across the product family to accommodate both English and metric thread requirements, providing installation flexibility for different machinery designs.
Alternative Names
215O1-OO-16-O5-O2 2I50I-00-I6-05-02 2150100160502 21501-00-16-05-00 21501-00-16-10-02 21501-00-16-50-02 21501-00-16-90-02 21501-00-04-05-02
Technical notes
The Bently Nevada 21501-00-16-05-02 is a legacy 7200 Series 5 mm standard mount probe featuring a 1/4-28 threaded housing and an integrated 0.5-meter cable length. Equipped with factory-installed stainless steel lead armor and a miniature male coaxial connector, it delivers reliable eddy current signal paths for specialized 5m or 9m instrumentation networks.
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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.
Which connector configuration comes with 21501-00-16-05-02?
Bently Nevada 21501-00-16-05-02 is supplied with a miniature male coaxial connector for secure signal transmission and convenient installation.
Does 21501-00-16-05-02 support high-frequency vibration monitoring?
The 7200 transducer system associated with Bently Nevada 21501-00-16-05-02 provides a frequency response from 0 Hz (DC) to 10 kHz, supporting both static and dynamic measurements.
What environmental conditions can 21501-00-16-05-02 withstand?
Bently Nevada 21501-00-16-05-02 operates from -30°F to +350°F (-34°C to +177°C) and supports relative humidity up to 95% without condensation.
How long is the cable supplied with 21501-00-16-05-02?
Bently Nevada 21501-00-16-05-02 includes a total cable length of 0.5 metre (20 inches) together with a miniature male coaxial connector.

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