Versatile Empty Housing for Custom Sensor Integration

Product Configuration & Suffix Analysis

• Manufacturer & Model: Bently Nevada - Model 21000 Housing Assembly
• Full Part Number: 21000-00-00-15-085-03-02
• Detailed Feature Breakdown:

  • 00	Probe Not Included - Housing supplied empty.
    00	Cable Not Included - No integrated probe cable.
    15	1.5-Inch Standoff Adapter - Extends housing from mounting surface.
    085	8.5-Inch Probe Penetration - Long sleeve for deep applications.
    03	With Fittings Kit - Includes plugs, reducer, and cable seal.
    02	3/4-14 NPT Mount - Standard threaded mounting connection.

Technical Specifications & Design Data

• Physical & Mechanical Properties:
  • Housing Construction: Aluminum body with 304 stainless steel internal sleeve.
  • Total Extended Length: Standoff (1.5") + Penetration (8.5") = 10.0" from mount face to probe tip location.
  • Internal Threads: Accepts standard Bently Nevada reverse-mount probe cartridges.
  • Conduit Openings: Two 3/4-14 NPT ports for dual cable entry or venting.
• Environmental & Compliance Ratings:
  • Safety Certification: CSA Type 4 Explosion-Proof Enclosure for hazardous areas.
  • Compliance Standard: Fully compliant with API Standard 670 for machinery protection.
  • Hazardous Area Class: Class I, Division 1 & 2, Groups C & D; Class II & III.
  • Temperature Code: Rated T4 @ Ta = -50°C to +80°C; T5 @ Ta = -50°C to +40°C.
  • Material Directive: Compliant with RoHS Directive 2011/65/EU.
• General Data:
  • Approximate Weight: 1.1 kg (2.4 lb) without any internal probe installed.
  • Sealing System: Includes O-rings and thread seal for a complete environmental seal.

Primary Applications & Key Benefits

• Retrofit & Upgrade Projects: Perfect for replacing old housings while reusing existing, functional proximity probes.
• Custom Sensor Integration: Allows installation of specialized probes (e.g., 5mm, 11mm) not in standard kits.
• Deep Penetration Needs: The 8.5-inch sleeve is ideal for applications with thick machine casings or insulation.
• Cost-Effective Solution: Reduces inventory costs by letting you stock empty housings and probes separately.

Package Contents & Service Information

• One (1) Empty 21000 Housing Body with 304 Stainless Steel Sleeve.
• One (1) Dome Cover with Sealing O-ring.
• One (1) 1.5-Inch Long Standoff Adapter.
• One (1) Set of Conduit Fittings (Plugs, Reducer, Cable Seal Grip).
• Installation Thread Sealant.
• Product ships in original factory packaging via FedEx, UPS, or DHL.
• This Bently Nevada product is covered by a 12-month manufacturer warranty.

Expert FAQ for Empty Housing Applications

• Q: Can I install a 5mm or 11mm probe in this 21000 housing?
  A: Yes, if you purchase the correct corresponding probe cartridge designed for the 21000 series housing.
• Q: What is the purpose of the 1.5-inch standoff adapter?
  A: It creates space between the housing and the mounting surface for cable bending or heat dissipation.
• Q: Is the internal thread for the probe a standard size?
  A: Yes, it uses a standard Bently Nevada thread for secure and proper probe cartridge alignment.
• Q: Can this housing be used in European hazardous areas with ATEX certification?
  A: The standard 21000 housing is CSA certified. For ATEX, you may need to verify specific model suffixes.
• Q: What is the main advantage of ordering an empty housing?
  A: It provides ultimate flexibility for field repairs, custom lengths, or using existing sensor inventory.

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