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24701-28-05-05-105-03-02

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The 24701-28-05-05-105-03-02 is a 24701 Series Proximity Probe Housing Assembly designed for use with 3300 XL 8 mm probes with approval options. This model features a 0.5 m (20 in) probe cable length, 0.5 in standoff adapter.
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Technical specifications for 24701-28-05-05-105-03-02

  • Manufacturer:
    Bently Nevada
  • Part Number:
    24701-28-05-05-105-03-02
  • Product Family:
    21000, 24701, and 164818 Proximity Probe Housing A
  • Product Type:
    24701 Series Proximity Probe Housing Assembly
  • Compatible Probe:
    3300 XL 8 mm probe with approval options
  • Housing Material:
    Stainless steel
  • Probe Cable Length:
    0.5 m (20 in)
  • Standoff Adapter:
    0.5 in
  • Probe Penetration:
    10.5 in
  • Mounting Thread:
    3/4-14 NPT
  • Fittings Included:
    Two 3/4-14 NPT explosion-proof fittings
  • Agency Approvals:
    CSA (explosion-proof for hazardous areas)
  • Enclosure Rating:
    CSA Type 4
  • Standard Compliance:
    API 670
  • Key Benefit:
    Model 24701-28-05-05-105-03-02 provides CSA explosion-proof certification and CSA Type 4 enclosure rating for hazardous area compliance.
  • Weight:
    2.22 kg
  • Estimated shipping dimensions:
    38x7.8x7.8cm
  • Tariff Code:
    8525891900
  • 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 Application Diagnosis and Protection Installation and Upgrades

Features:

  • The 24701-28-05-05-105-03-02 features stainless steel construction for excellent corrosion resistance in aggressive industrial environments.
  • This model includes two 3/4-14 NPT explosion-proof fittings for secure cable entry while maintaining hazardous area integrity.
  • The 24701-28-05-05-105-03-02 offers CSA explosion-proof certification and full compliance with API 670 Standard for petroleum industry applications.
The 24701-28-05-05-105-03-02 includes two 3/4-14 NPT explosion-proof fittings that directly affect the proper sealing of the housing in hazardous area applications. These fittings ensure secure cable entry while maintaining the explosion-proof rating required for Class I, Division 1 locations. The 24701-28-05-05-105-03-02 is certified as a CSA Type 4 enclosure, ensuring protection against water and dust ingress while maintaining explosion-proof integrity for intrinsically safe applications.

For petroleum industry compliance, the 24701-28-05-05-105-03-02 is fully compliant with the American Petroleum Institute's API 670 Standard for externally mounted proximity probe housings. The stainless steel construction provides superior corrosion resistance compared to aluminum alternatives, making the 24701-28-05-05-105-03-02 ideal for offshore platforms, chemical processing, and marine environments. This housing assembly ensures reliable vibration and position monitoring while meeting stringent industry requirements.

The 24701-28-05-05-105-03-02 solves the pain point of corrosion resistance in aggressive industrial environments through its stainless steel construction. With 0.5 in standoff adapter and 10.5 in probe penetration, this assembly provides extended reach for thicker machine casings. The 24701-28-05-05-105-03-02 ensures reliable operation while meeting API 670 compliance and hazardous area certification requirements for global applications in oil and gas, chemical processing, and marine environments.

The 24701-28-05-05-105-03-02 Bently Nevada Proximity Probe Housing Assemblies may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).

Bently Nevada 24701-28-05-05-105-03-02 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.
Bently Nevada 24701-28-05-05-105-03-02 Proximity Probe Housing Assemblies Specs

General

  • Manufacturer GE / Bently Nevada
  • Model 24701-28-05-05-105-03-02
  • Condition New Original ready stock
  • Product Family 24701-30-05-05-105-03-02,24701-31-05-05-105-03-02,24701-32-05-05-105-03-02
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.
  • Small Rotating Machinery: Suitable for pumps, small compressors, and motors with small shaft diameters or limited space within the bearing housing.
  • Radial Vibration and Axial Displacement: Precisely measures micron-level vibration or thrust position changes of the shaft relative to the bearing housing.
  • Speed ​​Monitoring (Keyphasor): Commonly used as a key phase probe, installed in the keyway or protrusion of the shaft to provide speed and phase reference signals to the monitoring system.
  • Signal Consistency Diagnosis: When used with a 3300 or 3500 series monitoring frame, the system monitors the "OK limit" in real time. If the probe coil is open-circuited, the cable is short-circuited, or the gap exceeds the linear range (voltage too high/too low), the system will issue a fault warning to prevent false alarms.
  • Corrosion Resistance: The probe head is encapsulated in high-performance engineering plastics such as polyphenylene sulfide (PPS), providing excellent resistance to chemical corrosion and synthetic lubricants.
  • Pressure Seal: The probe design includes a pressure seal to prevent process media (such as oil or gas) from leaking along the probe leads to the housing.
  • Gap Calibration: During installation, use a multimeter to monitor the preamplifier's output voltage. Typically, adjust the probe to the midpoint of the linear range (approximately -9.0 VDC or -10.0 VDC).
  • Side Clearance: Due to the smaller magnetic field of the 5mm probe, ensure sufficient countersunk space around the probe tip to prevent reading deviations caused by interference from surrounding metals.
  • Backward Compatibility: The 3300 5mm probe is generally compatible with the 3300 XL preamplifier, but the system's scale factor must be recalibrated during upgrades.
Description
The 24701-28-05-05-105-03-02 features rugged stainless steel construction designed for use with 3300 XL 8 mm probes with approval options in hazardous area applications. This model includes a 0.5 m (20 in) probe cable length, 0.5 in standoff adapter, and 10.5 in probe penetration for precise positioning in critical machinery. 

The 24701-28-05-05-105-03-02 is CSA approved as explosion-proof for hazardous areas and certified as a CSA Type 4 enclosure, ensuring reliable operation in demanding environments. This 24701 series assembly is fully compliant with the American Petroleum Institute's API 670 Standard for externally mounted proximity probe housings. 

The 24701-28-05-05-105-03-02 provides robust protection for 3300 XL 8 mm probes while maintaining accessibility for installation and maintenance. With a 0.5 in standoff adapter and 10.5 in probe penetration, this housing assembly offers extended reach for applications requiring deeper probe insertion through thicker machine casings. 

The 24701-28-05-05-105-03-02 represents a complete solution for externally mounted proximity probe installations in hazardous areas requiring stainless steel construction. This assembly addresses the pain point of corrosion resistance in aggressive environments through its stainless steel material selection.
Alternative Names
24701-30-05-05-105-03-02 24701-31-05-05-105-03-02 24701-32-05-05-105-03-02 24701-33-05-05-105-03-02
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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 material advantage does the 24701-28-05-05-105-03-02 offer for corrosive environments?
The stainless steel construction provides excellent corrosion resistance, making the 24701-28-05-05-105-03-02 ideal for applications in chemical processing, offshore platforms, and marine environments where aluminum housings would degrade.
What installation advantage does the 10.5-inch probe penetration provide?
The extended 10.5 in penetration accommodates thicker machine casings, insulation layers, and double-walled equipment, ensuring proper probe positioning without requiring custom housing modifications.
How does the 24701-28-05-05-105-03-02 maintain hazardous area integrity?
The assembly includes two 3/4-14 NPT explosion-proof fittings for secure cable entry, maintaining the CSA explosion-proof rating while providing flexibility for field wiring.
What makes the 24701-28-05-05-105-03-02 suitable for API 670 compliant installations?
Full compliance with API 670 standards ensures acceptance in petroleum industry applications, meeting strict requirements for externally mounted proximity probe housings in refineries and processing facilities worldwide.

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