Bently Nevada 24701-28-05-00-040-04-02 Probe Housing Overview

The Bently Nevada 24701-28-05-00-040-04-02 is a proximity probe housing assembly. It belongs to the 3300 XL Series from Bently Nevada. This assembly includes a reverse mount proximity probe. Users select the 24701-28-05-00-040-04-02 for permanent vibration monitoring installations. The housing protects the probe in harsh industrial environments. A dome cover screws into the body for easy access.

Technical Specifications of 24701-28-05-00-040-04-02

The Bently Nevada 24701-28-05-00-040-04-02 uses a 3300 XL 8mm probe option. The -28 suffix indicates the probe with connector and approval option. Cable length is 20 inches which equals 0.5 meters (-05 option). No standoff adapter is installed (-00 option). Probe penetration is 4 inches (-040 option).

Fittings option includes one 3/4-14 NPT plug only (-04 option). Mounting thread is 3/4-14 NPT (-02 option). The body material is 303 stainless steel. The sleeve material is 304 stainless steel. Weight is 1.8 kg (4.1 lbs) typical without fittings. Maximum C plus D dimension is 13.5 inches (34.3 mm). The probe part number and serial number are not visible when assembled.

The 24701-28-05-00-040-04-02 includes several key components. A dome cover screws into the body of the housing. Threaded ports allow conduit connections. A probe sleeve comes in an optional length. O-rings provide sealing between parts. A thread seal prevents leakage around threads. Optional conduit fittings are available separately. An optional standoff adapter can be added.

The housing works with the 3300 XL 8mm proximity probe system. This assembly is new and in original factory packing. All materials meet Bently Nevada quality standards. The standoff adapter option is not included with this configuration.

Installation Guidelines for Bently Nevada 24701-28-05-00-040-04-02

Mount the 24701-28-05-00-040-04-02 on a flat machine surface. Drill and tap a 3/4-14 NPT hole for the housing. Apply thread sealant to the housing mounting threads. Tighten the housing to 20 to 30 ft-lbs of torque. Do not overtighten or damage the threads. Install the probe through the sleeve before final tightening.

Connect the probe cable to the monitoring system. Route the 0.5 meter cable away from high voltage lines. Use conduit in the threaded ports for cable protection. Install the dome cover after wiring is complete. Do not remove the probe after setting the gap voltage. Verify the probe gap is within 0.5 to 2.0 mm range.

Package Contents of 24701-28-05-00-040-04-02

Your shipment includes these items:

One Bently Nevada 24701-28-05-00-040-04-02 housing body

One 3300 XL 8mm reverse mount probe with 0.5m cable

One dome cover for housing access

One probe sleeve of specified length

Two O-rings for sealing

One thread seal compound

One 3/4-14 NPT plug only

The package does not include conduit fittings. You must purchase fittings separately. No standoff adapter is provided with this assembly.

Frequently Asked Questions about 24701-28-05-00-040-04-02

1. What is the probe penetration on this housing assembly?

The Bently Nevada 24701-28-05-00-040-04-02 has 4 inch probe penetration. This is the -040 option in the model number. Penetration measures how far the probe extends from the housing. Choose different penetration options for various machine clearances.

2. Can I add a standoff adapter to this housing later?

No, this 24701-28-05-00-040-04-02 has the -00 standoff option. You cannot add a standoff adapter after manufacturing. Order a different suffix code if you need a standoff. Standoff adapters require a different mounting thread option.

3. What is the maximum C plus D dimension for this assembly?

The maximum C plus D dimension is 13.5 inches (34.3 mm). This applies to Bently Nevada 24701-28-05-00-040-04-02 when the probe is visible. The probe part number and serial number are not visible in this configuration. Check the installation manual for measurement details.

4. Is the 3300 XL probe included with this housing?

Yes, the 24701-28-05-00-040-04-02 includes a 3300 XL 8mm probe. The -28 suffix specifies the probe with connector and approval. The probe is reverse mount type for this housing. The probe cable length is 0.5 meters.

5. What materials are used in this probe housing?

The Bently Nevada 24701-28-05-00-040-04-02 uses 303 stainless steel for the body. The sleeve is made of 304 stainless steel. These materials resist corrosion in industrial environments. O-rings are made of standard sealing elastomer.

Compatibility and Application Notes

The Bently Nevada 24701-28-05-00-040-04-02 works with 3300 XL monitoring systems. It suits turbine and compressor vibration monitoring. Use this housing for permanent probe installations in hazardous areas. The 3/4-14 NPT mounting thread is standard for many machines. This assembly is new and in original factory packing. The HS code for customs is 90299000. Store the housing in a clean, dry location before installation.