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24701-28-10-35-027-03-02

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The 24701-28-10-35-027-03-02 is a 24701 Series Proximity Probe Housing Assembly featuring stainless steel construction for use with 3300 XL 8 mm probes with approval options.
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Technical specifications for 24701-28-10-35-027-03-02

  • Manufacturer:
    Bently Nevada
  • Part Number:
    24701-28-10-35-027-03-02
  • 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:
    1.0 m (39 in)
  • Standoff Adapter:
    3.5 in
  • Probe Penetration:
    2.7 in
  • Mounting Thread:
    3/4-14 NPT
  • Fittings Included:
    One 3/4-14 NPT plug; One 3/4-14 to 1/2-14 NPT reducer
  • Agency Approvals:
    CSA (explosion-proof for hazardous areas)
  • Key Benefit:
    Model 24701-28-10-35-027-03-02 is fully API 670 compliant for petroleum industry applications.
  • Weight:
    2.22 kg
  • Estimated shipping dimensions:
    38x7.8x7.8cm
  • Tariff Code:
    8479899990
  • 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 Applications Firmware and Updates Configuration

Features:

  • Stainless steel construction provides superior corrosion resistance for hazardous area applications in offshore, chemical, and marine environments.
  • CSA explosion-proof certification with CSA Type 4 enclosure rating ensures reliable operation in hazardous locations with protection against water and dust ingress.
  • 3.5-inch standoff adapter with 2.7-inch probe penetration offers flexible positioning for installations requiring clearance from insulation layers or tool access.
The 24701-28-10-35-027-03-02 is built from stainless steel, making it the preferred choice for applications where exposure to corrosive agents is a primary concern. In offshore platforms, chemical processing plants, and marine installations, salt spray, humidity, and chemical vapors can quickly degrade aluminum housings, compromising both structural integrity and hazardous area seals.

The 24701-28-10-35-027-03-02 carries CSA explosion-proof certification and is rated as a CSA Type 4 enclosure, providing verified protection against both explosive atmospheres and environmental ingress. This dual certification simplifies compliance for installations in North American hazardous locations while ensuring the housing can withstand washdowns, rain, and dust exposure.

The 24701-28-10-35-027-03-02 is equipped with a 3.5-inch standoff adapter that provides critical clearance for insulation layers or installation tool access. This feature is particularly valuable in applications where the machine casing is insulated, as it allows the housing to be mounted securely without compressing or damaging insulation materials. The included cable seal grip comes with three grommet sizes, covering common cable diameters, while the stainless steel reducer to 1/2-14 NPT accommodates smaller conduit systems.

The 24701-28-10-35-027-03-02 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 24701-28-10-35-027-03-02 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 24701-28-10-35-027-03-02 Proximity Probe Housing Assemblies Specs

General

  • Manufacturer GE / Bently Nevada
  • Model 24701-28-10-35-027-03-02
  • Condition New Original ready stock
  • Product Family 24701-30-10-35-027-03-02,24701-31-10-35-027-03-02
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.
  • Radial Vibration and Displacement: Mounted on large fluid thin-film bearings (sliding bearings) to monitor the dynamic behavior of the shaft.
  • Axial (Thrust) Position: Used to monitor the rotor displacement relative to the thrust bearing, preventing internal collisions.
  • Phase Reference (Keyphasor): Monitors speed and phase signals.
  • No firmware required: This assembly consists of an aluminum housing, probe, sleeve, and cable. It does not contain a microprocessor and therefore requires no firmware updates.
  • Hardware upgrades: If an "upgrade" is required, it typically refers to replacing the internal probe or seals. For example, upgrading an older 7200 series probe to a 3300 XL series probe provides better temperature stability and interference immunity.
  • Maintenance recommendations: Regularly inspect the housing's O-rings (Viton material) and cable seals to ensure the protection rating (IP66/NEMA 4X) remains valid.
  • Adjust the distance between the probe and the shaft by rotating the sleeve inside the protective housing.
  • The gap voltage is typically set between -9.0 Vdc and -11.0 Vdc (center of the linear range).
  • Since the probe cable is 1.0 meter, a 4.0 meter or 8.0 meter extension cable must be used when connecting to the 3300 XL Proximitor preamplifier to ensure a standard 5-meter or 9-meter system.
Description
The 24701-28-10-35-027-03-02 is engineered for hazardous area applications where stainless steel construction is required for corrosion resistance. Its 3.5-inch standoff adapter provides clearance for insulation layers or installation tool access, while the 2.7-inch probe penetration delivers precise positioning for radial vibration and Keyphasor measurements. 

With a 1.0-meter probe cable, the 24701-28-10-35-027-03-02 simplifies wiring by providing ample length to reach termination points without requiring additional extension cables. The included cable seal grip accommodates three cable size ranges (1/8 to 3/16 in, 1/4 to 5/16 in, 5/16 to 3/8 in), allowing field wiring flexibility without sourcing separate adapters. 

The 24701-28-10-35-027-03-02 is fully compliant with the American Petroleum Institute's API 670 Standard for externally mounted proximity probe housings, making it suitable for petroleum industry applications. Its stainless steel construction provides superior corrosion resistance compared to aluminum alternatives, particularly in offshore, chemical, and marine environments where exposure to salt spray or corrosive agents is a concern. 

With its combination of hazardous area approvals, corrosion-resistant materials, and flexible cable entry options, the 24701-28-10-35-027-03-02 is particularly well-suited for critical machinery protection in refineries, offshore platforms, and chemical processing facilities.
Alternative Names
24701-30-10-35-027-03-02 24701-31-10-35-027-03-02 24701-32-10-35-027-03-02 24701-33-10-35-027-03-02
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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 materials are used in the 24701-28-10-35-027-03-02?
The housing is constructed from stainless steel for superior corrosion resistance, making it ideal for offshore, chemical, and marine environments where aluminum housings would degrade.
What hazardous area approvals does this assembly carry?
It is CSA approved as explosion-proof for hazardous areas and certified as a CSA Type 4 enclosure, providing protection against water and dust ingress.
What is the purpose of the 3.5-inch standoff adapter?
The standoff adapter allows the housing to be positioned away from the machine casing, accommodating insulation layers or providing clearance for installation tools and conduit fittings
Is this assembly compliant with API standards?
Yes, the 24701-28-10-35-027-03-02 is fully compliant with the American Petroleum Institute's API 670 Standard for externally mounted proximity probe housings.