The Bently Nevada 21000-16-05-00-078-04-02 serves as the primary 21000 Proximity Probe Housing utilized to execute physical containment and external linear adjustment of proximity sensors across Proximity Probe Housing Assemblies platforms. This mechanical hardware configuration operates as a sealed process boundary interface, facilitating the manual insertion, positioning, and replacement of proximity transducers without requiring machinery shutdown or fluid loop depressurization.

Mechanical Option Key Breakdown

The alphanumeric suffix combination configurations designate specific physical installation dimensions and conduit thread styles:

• 21000: Base model number for standard adjustable proximity probe housing assemblies.

• -16: Explosion-proof/environmental cable seal option selection.

• -05: External conduit fitting type and entry angle geometry.

• -00: Standard hardware fitting package (no complementary fittings supplied).

• -078: Nominal sleeve length parameter (defines total linear mechanical insertion depth capability).

• -04: Machine casing thread size and engagement specifications.

• -02: Main structural material option and underlying environmental rating variant.

Physical and Environmental Parameters

Eddy-Current Probe Scaling and Rotor Dynamics Interference Mitigation

The mechanical architecture of the Bently Nevada 21000-16-05-00-078-04-02 is engineered to maintain stable eddy-current probe scaling under high-amplitude machine vibrations. By rigidly locking the sensor position relative to the rotating target, the housing isolates the transducer from high-frequency casing resonance that distorts true rotor dynamics displacement data. This spatial stability allows for precise gap voltage validation (-10 VDC targets) during static configuration. Additionally, the continuous metallic sleeve provides built-in electromagnetic shielding, contributing to cross-talk suppression between adjacent sensor lines routed through adjacent structural conduit paths.

Package Component List

• 1 x Bently Nevada 21000 external mechanical housing unit

• 1 x Internal linear adjustable sleeve mechanism

• 1 x High-pressure packing gland elastomeric seal ring set

• 2 x Heavy industrial locking nuts

Structural Assembly Guidelines

1. Inspect the machine casing bore threads to verify exact compatibility with the housing mounting suffix (-04 option code) prior to installation.

2. Achieve a minimum structural engagement of 5 full threads into the machine casing wall to guarantee appropriate mechanical pressure boundary containment.

3. Guide the unshielded proximity probe into the internal sleeve assembly, preventing structural abrasion or tension along the extension cable.

4. Manually advance the internal adjustable sleeve while verifying the sensor loop output with a calibrated voltmeter until gap voltage validation (-10 VDC targets) is established.

5. Tighten the primary external hex locknuts against the housing body to lock the probe depth configuration against continuous machinery vibration.

Logistics Dispatch Information

Delivery time: 2-7 days when payment finish, routed via international express networks including DHL, FEDEX, and UPS. All units are prepared using heavy-duty anti-static industrial packaging and high-density foam cells to eliminate physical impact deformation, thread abrasion, or ingress of ambient moisture during intercontinental transport.

Mechanical Integrity FAQ

Q: Does the material composition of the housing interfere with the eddy-current probe scaling parameters?

A: No, the structural components at the operational tip are composed of non-magnetic metals, ensuring that the sensor's calibrated voltage-to-distance slope is unaffected by the enclosure.

Q: How is the fluid boundary sustained when adjusting the probe depth while the machine is running?

A: The housing incorporates a high-pressure dynamic packing gland around the internal sleeve, which prevents lubrication oil or process gas leakage during manual adjustments.

Q: Is external grounding wiring required to enable the cross-talk suppression features of this housing?

A: No, cross-talk suppression is achieved via the direct, metal-to-metal thread contact with the machine frame, providing a direct reference ground for the sensor shield loop.