21000-34-10-00-078-04-02 Bently Nevada Proximity Housing Assemblies
Description
The 21000-34-10-00-078-04-02 is a high-precision proximity probe housing assembly within the Bently Nevada 21000 Series, engineered to provide mechanical stabilization, environmental protection, and geometrical alignment for eddy-current proximity probe systems used in critical rotating machinery monitoring.
| Specifications Information |
| Electrical Electrical Classification: |
Complies with the CE mark for Europe. |
| Intrinsically Safe Applications: |
Multiple approvals for hazardous areas certified by Canadian Standards Association (CSA/ NRTL/C) in North America and by BASEEFA/CENELEC in Europe for hazardous applications when used with an approved Proximitor® Sensor, extension cable, and either intrinsically safe or galvanically isolated barriers. |
| CSA/NRTL/C: |
Class 1, Divisions 1 and 2: Groups A, B, C, and D. Class 2, Divisions 1 and 2: Groups E, F, and G. |
| Environmental Temperature Range : |
-51°Cto+177°C (-60 T to + 351°F). |
| 3300 NSV™ probe: Operating: |
-34 °Cto+177 °C (-30 T to + 351°F). |
| Storage: |
-51°Cto+177°C (-60 T to +351°F). Note: Exposing 3300 XL or 3300 NSV™ probes to temperatures below -34 °C (-30 °F) may cause premature failure of their pressure seals. |
Advanced Engineering FAQ
1. What is the functional electromechanical role of the 21000-34-10-00-078-04-02 within an eddy-current proximity measurement ecosystem?
The 21000-34-10-00-078-04-02 operates as a precision probe housing and positioning interface, enabling the stable deployment of eddy-current proximity probes for non-contact displacement and vibration measurement in rotating machinery environments.
2. How does the 21000-34-10-00-078-04-02 ensure geometrical alignment fidelity between the probe tip and the monitored shaft surface?
The 21000-34-10-00-078-04-02 incorporates a threaded mechanical interface with tight tolerance control, ensuring consistent probe insertion depth and maintaining an optimal air-gap geometry, which is critical for preserving measurement linearity and signal accuracy.
3. What distinguishes the dimensional and configuration parameters of the 21000-34-10-00-078-04-02 within the 21000 series architecture?
The 21000-34-10-00-078-04-02 reflects a specific configuration code defining probe compatibility, insertion length, and mounting interface characteristics, typically aligned with 10 mm class probe systems and extended housing geometries for deeper machine casing installations.
4. How does the 21000-34-10-00-078-04-02 contribute to signal stability in high-vibration and high-noise industrial environments?
The 21000-34-10-00-078-04-02 provides mechanical damping and rigid structural support, minimizing micro-movements of the probe assembly and thereby preserving signal coherence and reducing noise artifacts caused by mechanical resonance or vibration-induced misalignment.
5. What environmental resilience characteristics are inherent to the 21000-34-10-00-078-04-02 under harsh process conditions?
The 21000-34-10-00-078-04-02 is constructed using corrosion-resistant industrial-grade materials, enabling resistance to oil contamination, moisture ingress, thermal cycling, and particulate exposure, ensuring long-term operational durability in process industry applications.
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Bently Nevada Hot Series:
3300 XL Proximity Probe
3300 Proximitor Sensor
3500 Power Supply
1900/65A
3500/42 Monitor Module
The 990 Vibration Transmitter
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