330195-02-12-50-00 Bently Nevada Proximity Probes Datasheet

330195-02-12-50-00 3300 XL 8 mm Proximity Probe | Bently Nevada

330195-02-12-50-00 3300 XL 8 mm Proximity Probe | Bently Nevada

Availability: 10 left in stock

The Bently Nevada 330195-02-12-50-00, also cataloged as the 330195 Reverse Mount Proximity Probe, operates as a dedicated hardware component for...

SKU: 330195-02-12-50-00

Manufacturer: Bently Nevada
Product No.: 330195-02-12-50-00
Product Type: Proximity Sensors
Product Origin: USA
Payment:T/T, Western Union
Weight: 2000g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

The Bently Nevada 330195-02-12-50-00, also cataloged as the 330195 Reverse Mount Proximity Probe, operates as a dedicated hardware component for dynamic shaft position and vibration measurement within 3300 XL Transducer System networks. It generates an eddy-current radio frequency field to detect proximity variation between the probe tip and target shaft, converting displacement into high-frequency proportional voltage signals for downstream processing by a paired Proximitor sensor.

Suffix Breakdown & Model Matrix

Option Code	Specification Parameter	Value / Description
330195	Base Model	3300 XL 8 mm Reverse Mount Probe (3/8-24 UNF threads)
-02	Unthreaded Length Option	0.2 in
-12	Overall Case Length Option	1.2 in
-05	Total Length Option	5.0 metres (16.4 feet)
-00	Agency Approval Option	Not required

Hardware Specifications

Parameter	Specification
Model	330195-02-12-50-00
Brand	Bently Nevada
Origin	USA
Weight	Approx 0.25 kg (Shipping Weight 2.0 kg)
Dimensions	3/8-24 UNF reverse mount housing with 5.0 m integral cable
Operating Temp	-51 deg C to +177 deg C (-60 deg F to +350 deg F)
Power Consumption	Passive transducer (powered by external Proximitor driver circuit)
Thread Type	3/8-24 UNF threads
Unthreaded Length	0.2 in
Overall Case Length	1.2 in
Total System Length	5.0 metres (16.4 feet)
Pressure Sealing	Viton O-ring tip-to-case differential pressure seal
Agency Approval	Not required (Option 00)

Mechanical Monitoring & Eddy-Current Transducer Performance

The 330195-02-12-50-00 probe requires precise eddy-current probe scaling to convert target surface proximity into a standardized linear scale factor (typically 7.87 V/mm or 200 mV/mil). During mechanical commissioning, field engineers perform gap voltage validation (-10 VDC targets) measured at the Proximitor test points to establish accurate static centering relative to the journal surface. Proper mounting alignment mitigates cross-talk suppression issues when multiple probe bodies operate in close physical proximity along high-speed rotor dynamics paths.

Frequently Asked Questions

Q: How is the physical gap voltage set during reverse mount probe installation?

A: Adjust the axial thread depth of the reverse mount housing while monitoring output voltage at the Proximitor terminals until the reading stabilizes at -10.0 VDC, corresponding to the center of the linear operating range.

Q: Can this 5.0 metre total length probe be connected directly to a Proximitor without an extension cable?

A: Yes, because the integral probe cable is 5.0 metres long, it connects directly into a standard 5.0 metre Proximitor sensor unit without using an intermediate extension cable.

Field Installation Guidelines

Inspect the Viton O-ring seating surface prior to insertion to ensure seal integrity against process casing differential pressure.
Thread the 3/8-24 UNF reverse mount probe casing into place, applying standard torque limits to avoid deformation of the internal sensing coil.
Keep the coaxial cable ClickLoc connector clean, dry, and free of oil or debris before final mating.
Route the 5.0 metre integral probe cable through grounded metal conduit away from AC power lines to isolate the loop from high-frequency electromagnetic noise.
Verify that the total cable length matches the Proximitor rating to maintain specified linear calibration tolerances.

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