What is the 31000-28-05-00-056-01-02?

It is a Bently Nevada 31000 series Proximity Probe Housing Assembly.

Can I replace only the probe if the 31000-28-05-00-056-01-02 fails?

Yes, that's possible. This is the design philosophy behind this series. If the internal probe is damaged, a corresponding 3300 XL 8mm probe can be purchased as a spare part for replacement, along with the entire PPS protective housing.

How to use products like the 31000-28-05-00-056-01-02?

It is installed onto the bearing housing or machine casing via the 3/4-14 NPT thread. During operation, engineers can fine-tune the gap between the probe and the shaft using the adjustment mechanism at the base of the housing without disassembling the machine.

What are the main advantages of the 31000-28-05-00-056-01-02?

The biggest advantage is online maintainability. It allows for probe replacement or gap adjustment while the machine is running. Its PPS (Polyphenylene Sulfide) housing provides excellent corrosion resistance, UV protection, and explosion-proof safety.

Does the model 31000-28-05-00-056-01-02 include a Proximitor?

No, it does not. Unlike the 330880 (PROXPAC) series, the 31000 series only includes the probe and the housing. The Proximitor sensor must be purchased separately and is usually installed in a remote junction box.

31000-28-05-00-056-01-02

Name: 31000-28-05-00-056-01-02
Brand: Bently Nevada
SKU: 31000-28-05-00-056-01-02

Proximity Probe Housing Assemblies

Product image is representative; revision or series may vary. Contact us to request a specific version.

Product Describe：

Proximity Probe Housing Assemblies

API 670 standard compliance

PPS corrosion-resistant housing

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Technical specifications for 31000-28-05-00-056-01-02

Manufacturer:

Bently Nevada
Product Category:

Machinery Monitoring Systems
Spare Part Number:

31000-28-05-00-056-01-02
Estimated shipping dimensions:

37x9x8cm
Weight:

1.5 kg
Tariff Code:

8537101190
Counliy of origin:

USA
Probe with Connector:

3300 XL 8 mm probe, multiple approvals
Probe Cable Length:

0.5 m (20 in)
Standoff Adapter Length:

No standoff adapter
Probe Penetration Option:

5.6 in(142 mm)
Fittings:

One 3/4-14 NPT fitting two plugs
Mounting Thread Option:

3/4-14 NPT (Required if ordering Standoff Adapter Option)

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Information

Overview Manuals Common Applications Product Precautions

The 31000-28-05-00-056-01-02 is an external protective enclosure that houses a 3300 XL 8mm probe, specifically designed for monitoring vibration or displacement of rotating machinery in harsh environments.

Meets API 670 standard
Excellent online maintenance capabilities
142mm penetration depth and excellent sealing performance

The 31000/32000 Proximity Probe Housing Assemblies are recommended when mounting proximity probes through the machine case and are typically used for radially mounted transducers, whether vibration or Keyphasor measurements.Use of a Proximity probe housing allows external access to the proximity probe and its extension cable, permitting gap adjustment or probe replacement without disassembly of the machine. The 31000/32000 Proximity Probe Housing Assembly is made of polyphenylene sulfide (PPS), an advanced, highstrength, thermoplastic with excellent corrosion resistance. Other elements of the housing assembly are made of corrosion-resistant stainless steel. The housing can be ordered with installed 3300 XL Proximity Probes and a variety of conduit fittings.

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.

Bently Nevada 31000-28-05-00-056-01-02 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.

Oil & Petrochemical

Protecting critical compressors,allows online probe adjustment without casing disassembly to monitor rotor vibration.

Oil &Thermal Power

Monitoring steam turbine axial displacement,uses the PPS housing to protect the probe in high-temp environments.

Nuclear Power

Condition monitoring of main feedwater pumps,enables maintenance outside radiation zones for long-term stability.

Natural Gas Transport

Monitoring gas turbine units,utilizes -28 approvals for safe shaft monitoring in explosive booster stations.

Chemical Industry

Monitoring eccentricity of agitator shafts,uses PPS material to resist acid/alkali corrosion in chemical reactors.

Mining & Mineral

Monitoring ball mill bearings,provides rugged physical protection and EMI shielding under heavy vibration.

When using the 31000-28-05-00-056-01-02 housing assembly, the primary considerations are the precision of online adjustment and the integrity of the sealing system. First, when utilizing the external adjustment feature to set the gap, a multimeter must be used to monitor the voltage, ensuring it is locked at the -10VDC linear center; meanwhile, the 142mm penetration depth should be verified against the casing wall thickness to prevent collision.Secondly, as this model features a 0.5m short cable, it must be paired with the correctly lengthened 3300 XL extension cable to meet the total length requirements of the Proximitor.Additionally, during installation, inspect the Viton O-rings for integrity and apply appropriate grease to ensure IP66 pressure-sealed performance.Finally, given its -28 multiple approvals, strict adherence to explosion-proof sealing requirements for junction boxes is mandatory when wiring in hazardous areas.

FAQ View All FAQ

What is the 31000-28-05-00-056-01-02?

It is a Bently Nevada 31000 series Proximity Probe Housing Assembly.
Can I replace only the probe if the 31000-28-05-00-056-01-02 fails?

Yes, that's possible. This is the design philosophy behind this series. If the internal probe is damaged, a corresponding 3300 XL 8mm probe can be purchased as a spare part for replacement, along with the entire PPS protective housing.
How to use products like the 31000-28-05-00-056-01-02?

It is installed onto the bearing housing or machine casing via the 3/4-14 NPT thread. During operation, engineers can fine-tune the gap between the probe and the shaft using the adjustment mechanism at the base of the housing without disassembling the machine.

What are the main advantages of the 31000-28-05-00-056-01-02?

The biggest advantage is online maintainability. It allows for probe replacement or gap adjustment while the machine is running. Its PPS (Polyphenylene Sulfide) housing provides excellent corrosion resistance, UV protection, and explosion-proof safety.
Does the model 31000-28-05-00-056-01-02 include a Proximitor?

No, it does not. Unlike the 330880 (PROXPAC) series, the 31000 series only includes the probe and the housing. The Proximitor sensor must be purchased separately and is usually installed in a remote junction box.

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