Product Overview

The Bently Nevada 132419-01 is a 3300 XL 8 mm Proximity Probe,part of Bently Nevada’s(Emerson)industry-standard 3300 XL series of non-contacting displacement sensors.This probe is used to measure relative vibration,shaft position(axial or radial),and rotational speed(via keyphasor/tach)on rotating machinery such as turbines,compressors,pumps,motors,and generators.

The 8 mm refers to the active sensing tip diameter,which provides a standard 2.0 mm linear range—the most common configuration in industrial applications due to its balance of sensitivity,mounting flexibility,and compatibility with standard journal bearing clearances.

The full part number breakdown:

132419:Base model for 3300 XL 8 mm ungrounded probe

-01:Cable length and connector variant—in this case,typically denotes a 1.0 meter(≈3.3 ft)armored cable with a standard Microdot®connector(MS3116F-10-6S)

🔹Note:The 132419-01 is just the probe—it must be used with a compatible 3300 XL Proximitor®Sensor(e.g.,3300 XL NSv 8 mm driver,part number like 176999-01)to form a complete measurement system.

Technical Specifications

Parameter Value

Manufacturer Bently Nevada(Emerson)

Series 3300 XL

Model 8 mm Proximity Probe

Part Number 132419-01

Sensing Element Ungrounded(floating)coil design

Linear Range 2.0 mm(80 mils)

Output Sensitivity–7.87 V/mm(–200 mV/mil)nominal

Frequency Response 0–10 kHz(±3 dB)

Cable Length 1.0 meter(3.3 ft),3-conductor twisted shielded,stainless steel armor

Connector Microdot®MS3116F-10-6S(3-pin)

Operating Temperature–51°C to+177°C(–60°F to+350°F)at probe tip

Probe Body Material 300-series stainless steel

Thread Size M10×1.0 metric(standard);also available in 3/8″-24 UNF

Approvals CSA,ATEX,IECEx(when used in certified systems)

Compliance API 670,ISO 10814,VDI 2842

Key Features&Advantages

✅High Reliability in Harsh Environments

Stainless steel construction and high-temp cable allow use in steam turbines,hot oil zones,and washdown areas.

✅Ungrounded Design

Eliminates ground loop issues in machines with insulated bearings or complex grounding schemes—critical for accurate gap voltage measurement.

✅Precision Calibration

Each probe is factory-calibrated with its matching Proximitor to ensure linearity within±0.25%full scale.

✅Wide Compatibility

Works with all Bently Nevada monitoring systems:

3500/42M,3500/40

3300/80

Velomitor®Smart Systems

System 1 and AMS Machinery Health Manager

✅Keyphasor/Tach Capability

Can detect once-per-revolution shaft features(e.g.,keyway,bolt head)for speed and phase reference.

Typical Applications

Radial Vibration Monitoring:Journal bearing clearance tracking

Axial Position(Thrust):Detecting thrust collar movement

Startup/Shutdown Analysis:Capturing rotor coast-down behavior

Balancing&Diagnostics:Providing phase data for field balancing

Overspeed Verification:As part of speed input systems(with 3500/25)

Commonly installed on:

Steam&gas turbines

Centrifugal compressors

Boiler feedwater pumps

Hydroelectric generators

Related Products

Product Description

176999-01 3300 XL 8 mm NSv(Non-Spring-Loaded)Proximitor Sensor(driver)

132420-01 Same probe with 3/8″-24 UNF thread(instead of M10)

132419-02 Same probe with 2.0 m cable

132419-05 5.0 m cable version

3500/42M 4-channel monitor module for vibration/position

3300/80 Older 2-channel monitor(legacy)

Microdot Extension Cables e.g.,176890-01(1 m),for routing through conduit

⚠️Important:The total cable length(probe+extension)must equal 5.0 meters(16.4 ft)or 9.0 meters(29.5 ft)—standard system lengths for proper calibration.Using non-standard lengths causes gain errors.

Installation Guidelines

🔧Mounting:

Use torque wrench:2.7 N·m(24 in-lb)for M10 probes to avoid damaging threads or coil.

Maintain perpendicular alignment to target surface(max.1°tilt).

Target material should be 4140 steel or equivalent;calibration differs for other alloys.

🔌Wiring:

Connect probe to Proximitor via compatible extension cable.

Ground Proximitor housing and cable shield at monitor end only(single-point ground).

Keep away from high-voltage or variable-frequency drive(VFD)cables.

Maintenance&Troubleshooting

Gap Voltage Check:Should be~–10 V DC at mid-range(1.0 mm gap).Drift indicates probe damage or oil contamination.

Resistance Test:Coil resistance typically 6–9Ω.Open or short=faulty probe.

Visual Inspection:Look for dents,oil wicking into cable,or loose connectors.

Warranty&Support

The 132419-01 carries a standard 2-year warranty from Emerson.It is manufactured in the USA and supported globally.As a legacy-standard product,it remains in production with guaranteed long-term availability per Bently Nevada’s obsolescence policy.

Summary

The Bently Nevada 132419-01 is a high-performance,8 mm proximity probe that delivers precise,reliable measurements of shaft vibration and position in the world’s most critical rotating equipment.Paired with a 3300 XL Proximitor,it forms the foundation of machinery protection and condition monitoring systems across power generation,oil&gas,and industrial sectors—trusted for decades due to its ruggedness,accuracy,and compliance with international standards.

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