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21000-34-05-15-029-04-02

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The 21000-34-05-15-029-04-02 is a 3300 XL 8 mm probe equipped with a connector protector and selectable hazardous area approvals, and a single 3/4-14 NPT plug with a matching 3/4-14 NPT thread design.
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Technical specifications for 21000-34-05-15-029-04-02

  • Manufacturer:
    Bently Nevada
  • Part Number:
    21000-34-05-15-029-04-02
  • Product Family:
    21000, 24701, and 164818 Proximity Probe Housing A
  • Probe with Connector:
    3300 XL 8mm probe with connector protector, selectable hazardous area approvals
  • Probe Cable Length:
    0.5 m (20 in)
  • Standoff Adapter (Option C Dimension):
    Minimum length 1.5 in (38 mm)
  • Probe Penetration (Option D Dimension):
    2.9 in
  • Fittings:
    One 3/4-14 NPT plug only
  • Mounting Thread:
    3/4-14 NPT
  • Material:
    Aluminum body with 304 stainless steel sleeve
  • Weight:
    1.1 kg
  • Estimated shipping dimensions:
    47.5x8.5x8.5cm
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Communication & Connectivity Certifications & Standards Use Cases

Features:

  • Interface Between the Proximity Probe and Industrial Monitoring Equipment
  • Combines Capability of Probe Sensing with Connector Protection
  • Operates in Conjunction with the 3300 XL Series and Selectable Hazardous Area Approvals
The 21000-34-05-15-029-04-02 operates as the Proximity Probe Housing Assembly, providing reliable proximity sensing for critical rotating machinery monitoring systems. It continuously delivers accurate displacement and measurement through the 3300 XL 8mm probe with 0.5 m (20 in) probe cable length and 2.9 in probe penetration capability. Seamless integration is standard with the 21000-34-05-15-029-04-02, however using the optional standoff adapter with minimum 1.5 in (38 mm) length will allow flexible mounting configurations in various industrial applications. The 21000-34-05-15-029-04-02 has made improvements in several areas over previous probe housing designs in addition to incorporating selectable hazardous area approvals and connector protector features within the assembly.

The 21000-34-05-15-029-04-02 provides essential proximity sensing functions common to the entire monitoring system, and is a critical component of the measurement path, directly affecting the proper, normal operation of the overall machinery protection system. One 21000-34-05-15-029-04-02 probe housing assembly is required per monitoring point depending on the desired measurement configuration. The 21000-34-05-15-029-04-02 occupies a dedicated mounting position with 3/4-14 NPT mounting thread and one 3/4-14 NPT plug fitting included, and is always located at the machinery access point (the dedicated probe installation position).

For applications requiring standoff extension, the monitoring system requires the 21000-34-05-15-029-04-02 standoff adapter option with minimum 1.5 in (38 mm) length installed in the assembly.In addition to standard direct mounting operation, the standoff configuration also performs penetration depth adjustment. The 21000-34-05-15-029-04-02 dual configuration executes measurement optimization using the internal probe positioning specified in the housing options. Using this method, the standoff system continually monitors the probe penetration depth relative to the target surface. If the system detects that the probe is no longer providing stable signal output (outside configured proximity/tolerance levels), it will automatically require verification of the 21000-34-05-15-029-04-02 installation and and place an event in the System Event List.

The 21000-34-05-15-029-04-02 Proximity Probe Housing Assembly may still be available for purchase and support from authorized distributors beyond standard manufacturer lead times.

Bently Nevada 21000-34-05-15-029-04-02 Proximity Probe Housing Assembly Manuals,Datasheets,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.
Bently Nevada 21000-34-05-15-029-04-02 Proximity Probe Housing Assembly

General

  • Manufacturer GE / Bently Nevada
  • Model 21000-34-05-15-029-04-02
  • Condition New Original ready stock
  • Product Family 21000-34-05-15-029-04-01,21000-34-05-15-029-04-04
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.
  • Physical Connection: The housing uses threaded ports (3/4-14 NPT) for conduit connections to protect the internal wiring.
  • Signal Interface: It houses a reverse mount proximity probe that connects via an extension cable to a Proximitor Sensor, which then outputs a signal to monitoring systems like the Bently Nevada 3500.
  • Maintenance Access: Designed to allow external access for gap adjustment or probe replacement without machine disassembly.
  • Hazardous Area Ratings: Certified for Explosion Proof applications by the Canadian Standards Association (CSA).
  • North America: Class 1, Divisions 1 & 2 (Groups C and D); Class 2, Divisions 1 & 2 (Groups E, F, and G).
  • Europe: Complies with the CE mark and BASEEFA/CENELEC standards for Zones 0, 1, and 2 (Groups I, IIA, IIB, and IIC) when used with approved barriers.
  • Enclosure Rating: Certified as CSA Type 4 (weatherproof/dust-tight).
  • Industry Standard: Fully compliant with API 670 for externally mounted proximity probe housings.
  • Vibration & Position Monitoring: Primarily used to mount probes that monitor shaft vibration, axial position, and speed on critical rotating machinery like turbines, compressors, and pumps.
  • Hostile Environments: Used in oil and gas, power generation, and chemical processing where protection against explosive gases or harsh weather is required.
  • Retrofitting: Often used in applications where internal mounting is not possible or where frequent probe access is necessary for calibration.
Description
The Bently Nevada 21000-34-05-15-029-04-02 Proximity Probe Housing Assembly is designed for reliable installation of 3300 XL 8mm proximity probes, offering robust protection and precision positioning. Its aluminum body with a 304 stainless steel sleeve ensures durability and long-term performance in demanding industrial environments.

This assembly supports a 0.5-meter (20-inch) probe cable and features a standoff adapter with a minimum length of 1.5 inches, ensuring optimal probe placement and measurement accuracy. The 2.9-inch probe penetration and 3/4-14 NPT mounting thread provide secure and standardized installation.

With selectable hazardous area approvals, this housing assembly is suitable for use in a variety of critical industrial applications, including turbines, rotating machinery, and other high-risk zones. The single 3/4-14 NPT plug facilitates easy installation and reliable sealing.Engineered for precision and durability, the Bently Nevada 21000-34-05-15-029-04-02 ensures consistent probe alignment, reduces maintenance requirements, and supports accurate vibration and displacement monitoring in complex machinery systems.
Alternative Names
21OOO-34-O5-15-O29-O4-O2 2I000-34-05-I5-029-04-02 21000-34-05-15-02g-04-02 210003405150290-02 21OOO34O515O29O4O2 2I0003405I50290402 2100034051502g0402
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What is the probe cable length?
0.5 meters (20 inches).
What is the standoff adapter minimum length?
Minimum 1.5 inches (38 mm).
What is the housing material?
Aluminum body with 304 stainless steel sleeve.
What type of probe is included?
3300 XL 8mm probe with connector protector, supporting selectable hazardous area approvals.
Does the 21000-34-05-15-029-04-02 come with a warranty?
Yes, the 21000-34-05-15-029-04-02 includes a free 1-year Apter Power warranty.

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