21000-00-00-00-250-03-02 | Bently Nevada Proximity Probe Housing Assemblies

The 21000-00-00-00-250-03-02 is a heavy-duty, industrial-grade housing assembly designed by Bently Nevada specifically for proximity probes. As the core mounting element for the 3300 XL and 3500 series monitoring systems, it provides critical support for probe attachment, environmental protection, and stable signal transmission. This assembly features a one-piece 316L stainless steel housing with a 3/4-16 UNF standard mounting thread, compatible with 8 mm/11 mm outer diameter probes. The cable outlet is straight-out, and the length can be flexibly configured to meet site requirements. With an IP67 rating, it withstands extreme temperatures and humidity levels of -40°C to +200°C, as well as chemically corrosive environments. It is widely used in demanding installations such as bearing blocks and cylinder blocks in rotating machinery, including turbines, compressors, and pumps. It provides mechanical protection and a precise measurement reference for proximity probes, ensuring the reliability of equipment vibration and displacement monitoring data.

Manufacturer: Bently Nevada
Product Numbers: 21000-00-00-00-250-03-02
Product Type: Proximity Probe Housing Assemblies
Country of origin: USA
Condition: 100% Original
Warranty: 1 Year
Product Configuration
21000 - AA-BB-CC-DDD-EE-FF
A: Probe with Connector - 00 = Probe not required
B: Probe Cable Length - 00 = Probe cable not required
C: Standoff Adapter Length - 00 = No standoff adapter
D: Probe Penetration - 250 = 25.0 in
E: Fittings Option - 03 = One 3/4-14 NPT plug
One 3/4-14 to 1/2-14 NPT reducer
One cable seal grip with grommets for the
following cable sizes:
• 1/8 to 3/16 inches
• 1/4 to 5/16 inches
• 5/16 to 3/8 inches
F: Mounting Thread Option - 02 = 3/4-14 NPTs

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• High-strength stainless steel construction
  
• Standardized mounting interface, compatible with 3300 series probes
• Protected against vibration and mechanical shock
• Environmentally sealed against dust, water, and oil
• Easy to remove and replace, improving field maintenance efficiency

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