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The Bently Nevada 21000-16-10-15-088-03-02, also cataloged as the 21000 Proximity Probe Housing Assembly, operates as a dedicated hardware component for mechanical interface and transducer protection within machine monitoring networks.

Hardware Specifications

Parameter Specification
Model 21000-16-10-15-088-03-02
Brand Bently Nevada
Origin USA
Operating Temp -51 deg C to +177 deg C
Power Consumption N/A (Passive mechanical component)
Housing Material Aluminum / Stainless Steel

Rotor Dynamics and Gap Voltage Validation

The 21000 housing assembly is engineered to maintain the structural alignment necessary for accurate rotor dynamics monitoring. Maintaining the proximity probe tip at the specified gap relative to the shaft surface is mandatory for linear signal acquisition. During mechanical commissioning, installers must perform gap voltage validation to ensure the transducer output targets -10 VDC at the monitoring interface. Precise gap positioning prevents the sensor from operating in non-linear regions, which would otherwise introduce amplitude distortion and frequency spectrum artifacts. Proper mounting is required to minimize housing resonance and ensure cross-talk suppression in multi-probe proximity installations.

Frequently Asked Questions

Q: Is the housing assembly compatible with different metallurgy options?

A: Yes, the 21000 series housing is available in both aluminum and stainless steel configurations to accommodate varying environmental requirements and corrosion resistance needs.

Q: Does the assembly affect the eddy-current probe scaling?

A: The housing assembly itself is passive, but proper installation ensures that the probe maintains the correct standoff distance required for standard eddy-current probe scaling protocols.

Field Installation Guidelines

  1. Ensure the mounting threads are cleaned and lubricated with a suitable thread compound to prevent galling and ensure a secure mechanical connection to the machine case.
  2. Route the probe cabling through dedicated conduits, maintaining adequate separation from high-voltage lines to prevent electromagnetic interference.
  3. Verify that the housing O-rings are seated correctly during final assembly to prevent the ingress of industrial contaminants.
  4. Perform a static gap check after final mechanical locking to ensure that thermal expansion of the machine case does not cause the probe tip to contact the rotor surface.

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