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21000-34-10-00-096-04-02

Proximity Probe HousingAssemblies

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Technical specifications for 21000-34-10-00-096-04-02

  • Product Model
    21000-34-10-00-096-04-02
  • Product Parameters
    Proximity Probe HousingAssemblies
  • Tariff Code
    8537101190
  • Country of origin
    USA
  • Place of shipment
    Xiamen, China
  • In stock
    1 unit
  • Estimated Shipping Size
    8.5x8.5x30.5cm
  • Manufacturer
    Bently Nevada
  • Weight
    1.08 kg
  • Probe with Connector
    3300 XL 8mm probe with connectorprotector, selectable hazardous areaapprovals
  • Probe Cable Length
    1.0 m (39 in)
  • Standoff Adapter
    No standoff adapter
  • Probe Penetration
    9.6 in
  • Fittings
    One 3/4-14 NPT plugOne 3/4-14 to 1/2-14 NPT reducer One cable seal grip with grommets forthe following cable sizes: • 1/8 to 3/16 inches• 1/4 to 5/16 inches• 5/16 to 3/8 inches
  • Mounting Thread
    3/4-14 NPT

Description

The Bently Nevada 21000-34-10-00-096-04-02 Proximity Probe Housing Assembly is an all-metal aluminum housing for externally mounting proximity probes on industrial machinery. 21000 provides a robust, environmentally sealed enclosure that protects the proximity probe and its electrical connections while allowing precise positioning of the probe tip relative to the rotating shaft or target surface for accurate vibration and position measurement.

21000-34-10-00-096-04-02 houses a reverse mount proximity probe with 3/8-24 UNF threads, which is secured within the housing assembly and positioned so that the probe tip faces the target surface through the probe sleeve. The complete assembly of 21000-34-10-00-096-04-02 includes a dome cover that screws into the body of the housing, threaded ports for conduit connections, a probe sleeve of user-specified length, O-rings for sealing, a thread seal, and optional conduit fittings or standoff adapters.

Information

Overview Manuals Application Notes Product Applications Insertion & Connection Guide

Features:

  • Aluminum Probe Housing Assembly for External Mounting
  • CSA Explosion-Proof Certification for Hazardous Areas
  • Complete Assembly with Dome Cover, Probe Sleeve, and O-Rings
  • 3/4-14 NPT Conduit Thread and Multiple Mounting Thread Options
The Bently Nevada 21000-34-10-00-096-04-02 is a 21000 Series Proximity Probe Housing Assembly designed for external installation and protection of proximity probes used in rotating machinery condition monitoring systems. The assembly provides a secure mechanical mounting structure for 3300 XL 8 mm proximity probes with connector protection, allowing access to the probe and extension cable for installation, calibration, inspection, and replacement without removing the machine housing.

This model features a 1.0 meter probe cable length, no standoff adapter, 9.6 inch probe penetration, one 3/4-14 NPT plug fitting, and a 3/4-14 NPT mounting thread. It is commonly used with Bently Nevada proximity measurement systems for monitoring shaft vibration, radial displacement, and shaft position on turbines, compressors, pumps, and other critical rotating equipment.

The 21000-34-10-00-096-04-02 Bently Nevada Proximity Probe Housing Assemblies may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
Bently Nevada 21000-34-10-00-096-04-02 Proximity Probe Housing Assemblies Manuals, Datasheets, Drivers, Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
The probe sleeve length for 21000 is determined by the installation location and the distance from the mounting surface to the target surface. The probe lead must be longer than the sleeve length to ensure adequate cable routing within the housing. For 21000 installations where the probe penetration length (C plus D) exceeds 300 mm (12 inches), additional sleeve support must be added near the probe to prevent resonance from occurring. Bently Nevada offers a probe support and oil seal (part number 37948-01) for long sleeves that must pass through an inner bearing housing. Custom sleeve lengths for 21000 are also available upon request.
The adjustment range of probe penetration option D for 21000 is 13 mm (±0.5 in), allowing installers to fine-tune the probe-to-target gap during commissioning. For probe penetration lengths between 1.0 and 2.0 inches, it may be necessary to counter bore the machine case to reduce probe side view or rear view clearance requirements. The maximum (C) plus (D) dimension for 21000 varies depending on the probe cable length, with values ranging from 5.0 inches (12.7 cm) for 12-inch cable probes to 32.9 inches (83.5 cm) for 1.0-meter cable probes.
  • Power Generation: Measures vibration, thrust, and eccentricity on turbines and generators
  • Oil & Gas: Installed on compressors, turbo-expanders, and high-pressure injection pumps
  • Chemical/Petrochemical: Monitors fans, blowers, and agitators to prevent catastrophic failures
  • Water/Wastewater: Tracks misalignment and bearing wear on cooling fans and effluent pumps
  • Mining/Heavy Industry: Utilized on ball mills, crushers, and compressors in harsh environments
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Penetration Depth: The code "096" dictates a 9.6 inch (243.8 mm) probe penetration into the machine case.Adjustment Range: The probe can be adjusted ± 0.5 inches (± 13 mm) within the housing for precise gap measurement.
Sleeve Support: Because the penetration exceeds 12 inches (or 300 mm when combining standoff and probe lengths), you must add sleeve support near the probe tip to prevent fluid-induced vibration or resonance.
Target Alignment: The probe must be positioned perpendicularly (± 1°) to the target shaft and strictly centered over the target surface to avoid measurement distortion.

Alternative Names

21000-34-10-00-096-04-0Z 21000-34-10-00-096-04-O2 21000-34-10-00-096-O4-02 21000-34-10-00-O96-04-02 21000-34-1O-00-096-04-02 21000-34-I0-00-096-04-02 2I000-34-10-00-096-04-02 21000 34 10 00 096 04 02 21000 34 10 00 096 04 0Z 21000 34 10 00 096 04 O2 21000 34 10 00 096 O4 02 21000 34 10 00 O96 04 02 21000 34 I0 00 096 04 02 2I000 34 10 00 096 04 02 21000-34-10-00-096-04-01 21000-34-10-00-096-04-04

Technical notes

21000 is available with Canadian Standards Association (CSA) approvals for explosion-proof applications. The CA21000 versions of 21000 are certified by CSA for use in hazardous areas including Class I, Division 1, Groups B, C, and D. For CA21000 housings, the mounting thread option F must be 02 (3/4-14 NPT), and options 02 and 03 for mounting threads have been machined to have approximately 5-7 full threads to increase mounting strength, rather than the standard NPT thread count. Only CA versions of 21000 are rated as explosion-proof by CSA when ordered with the E:00, E:01, E:02, or E:04 fitting options.

FAQs

  • What is the 21000-34-10-00-096-04-02?

    +
    The Bently Nevada 21000-34-10-00-096-04-02 is an externally mounted Proximity Probe Housing Assembly designed to securely house an 8 mm probe
  • Is this assembly compliant with API 670 standards?

    +
    Yes, Bently Nevada designs the 21000 series to fully comply with the American Petroleum Institute’s API 670 Standard for externally mounted proximity probe housings.
  • Is the housing approved for hazardous areas?

    +
    Yes, when ordered with the appropriate approvals (e.g., CSA options), it is certified as explosion-proof and intrinsically safe for hazardous locations. It also carries a CSA Type 4 enclosure rating, meaning it is dust-tight and resistant to water ingress.
  • What are the main housing materials

    +
    The dome cover and body are machined out of aluminum, while the probe insertion sleeve is made of durable 304 stainless steel.
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