Bently Nevada 330104-19-25-10-02-00 Spare 3300 XL 8mm

Overview

Bently Nevada 330104-19-25-10-02-00 Maintenance-Proven Spare Part for Factory Uptime

The Bently Nevada 330104-19-25-10-02-00 is an original 8mm proximity transducer designed for the 3300 XL series vibration monitoring system. For maintenance engineers and procurement teams responsible for rotating machinery protection, this spare part is a critical component in continuous plant operation strategies. Whether you are managing a scheduled annual overhaul, responding to an unplanned shutdown, or building a strategic spare parts inventory for your control room, the 330104-19-25-10-02-00 delivers the measurement accuracy and system compatibility required to restore machine protection without compromise.

Proximity transducers in the 3300 XL series are deployed across turbines, compressors, pumps, and gearboxes in oil and gas, power generation, petrochemical, and heavy manufacturing environments. The 330104-19-25-10-02-00 operates as part of a three-component measurement chain — transducer, extension cable, and proximitor/oscillator — and must be matched precisely to maintain calibrated output. Substituting non-original components introduces calibration drift, false trip risk, and potential voiding of machinery protection system certification.

Every unit shipped from our inventory undergoes pre-dispatch functional verification, including gap voltage output check, sensitivity confirmation at 200 mV/mil (7.87 V/mm), and physical inspection of the connector and cable jacket. Units are dispatched with full documentation and backed by a support terms confirmed by quotation covering manufacturing defects and functional failure under normal operating conditions.

Spare Maintenance Table

Maintenance Planning for Continuous Operation

When replacing the 330104-19-25-10-02-00 in the field, maintenance engineers should treat the transducer as one element of a complete measurement loop. The 3300 XL system relies on the matched calibration between the probe, the extension cable (such as the 330130 series extension cable), and the proximitor module (such as the 330180 or 330185 Proximitor/Oscillator). If the transducer is being replaced due to impact damage, cable fatigue, or connector corrosion, the extension cable should be inspected simultaneously — a damaged cable jacket or corroded BNC/TNC connector will introduce noise into the gap voltage signal even with a new probe installed.

The proximitor module itself should be checked for supply voltage stability. The 3300 XL Proximitor requires a stable -24 VDC supply; fluctuations caused by a failing power supply module or loose terminal block connections in the junction box will produce erratic gap voltage readings that may be misdiagnosed as transducer failure. Verify the DC power rail at the proximitor input terminals before condemning the transducer.

For machines monitored by a 3500 series rack, the 3500/42M Proximitor I/O Module and the 3500/40M Proximitor I/O Module should be inspected for channel alarm setpoint integrity after any transducer replacement. I/O module channel configuration — including gap voltage alarm windows, direct vibration trip setpoints, and OK relay logic — must be verified against the machine’s protection philosophy document to ensure the replacement transducer is operating within the correct monitoring window.

Procurement engineers building annual spare parts lists for rotating machinery protection systems should consider stocking the 330104-19-25-10-02-00 alongside the 3300 XL Proximitor/Oscillator module and at least one length of matched extension cable. For facilities operating multiple machines on the same monitoring platform, a minimum of two transducers per critical machine train is a widely accepted inventory strategy. The 3500/22M Transient Data Interface module, if installed in the rack, should also be included in the annual calibration and inspection schedule, as it processes the same transducer signals for machinery diagnostics.

During control cabinet inspections, check the terminal blocks and signal wiring between the junction box and the 3500 rack I/O modules. Loose or corroded terminals on the gap voltage signal pair are a common source of intermittent OK dropouts that trigger nuisance alarms. Signal isolators installed between the proximitor output and any third-party DCS or historian input should also be verified for correct input impedance — loading the proximitor output with an incorrect impedance will shift the gap voltage calibration and produce false position or vibration readings.

Site Replacement Workflow

Before removing the 330104-19-25-10-02-00 from service, record the current gap voltage at the proximitor output with the machine at rest. This baseline reading confirms the installed gap and provides a reference for setting the replacement transducer to the same physical gap distance. The target gap voltage for the 3300 XL 8mm probe on AISI 4140 steel is typically -10.0 VDC at the nominal 50 mil (1.27 mm) gap, though the exact value depends on the machine’s shaft material and the specific calibration curve documented in the system’s configuration record.

After installing the 330104-19-25-10-02-00 replacement, adjust the probe gap to achieve the same gap voltage as the baseline reading. Verify the OK relay output at the proximitor is energized and that the 3500 rack channel status shows OK before returning the machine to service. If the machine protection system requires a functional test before restart, follow the site’s machinery protection bypass and test procedure to avoid spurious trips during the verification process.

For facilities transitioning from older 3300 series probes to the 3300 XL platform, the 330104-19-25-10-02-00 is a direct form-fit-function replacement for equivalent 3300 series 8mm probes when used with the 3300 XL Proximitor. Confirm the proximitor model number before installation — mixing 3300 standard and 3300 XL probes with mismatched proximitors will produce calibration errors that are not immediately obvious during static gap setting but will manifest as measurement inaccuracy under dynamic conditions.

All units are tested before dispatch and shipped with protective packaging to prevent connector damage in transit. Lead times are confirmed at the time of order, and long-term supply agreements are available for facilities requiring guaranteed stock availability for critical machine protection spares.

Spare Parts Support FAQ

Q: Is the 330104-19-25-10-02-00 compatible with both the 3500/42M and 3500/40M I/O modules?
A: Yes. The 330104-19-25-10-02-00 is compatible with the 3500/42M Proximitor I/O Module and the 3500/40M Proximitor I/O Module when used with the correct 3300 XL Proximitor/Oscillator. Always verify the proximitor model number and channel configuration in the 3500 rack before installation to ensure the gap voltage range and alarm setpoints are correctly matched to the replacement transducer.

Q: What is the support terms coverage and how is it validated at dispatch?
A: Every 330104-19-25-10-02-00 unit is functionally tested before dispatch, including gap voltage output verification and sensitivity confirmation. The support terms confirmed by quotation cover manufacturing defects and functional failure under normal operating conditions from the date of shipment. Test records are available upon request for quality documentation purposes.

Q: Can this transducer be used as a long-term replacement for discontinued 3300 series probes?
A: The 330104-19-25-10-02-00 is designed for the 3300 XL platform and can serve as a long-term replacement strategy for facilities migrating from older 3300 series probes. Compatibility with the installed proximitor must be confirmed before substitution. We maintain ongoing stock of this part and can support long-term supply agreements for facilities with critical inventory requirements.

Q: What should be checked if the replacement transducer shows an OK dropout immediately after installation?
A: An immediate OK dropout after installing the 330104-19-25-10-02-00 is most commonly caused by an incorrect probe gap (gap voltage outside the OK window), a supply voltage issue at the proximitor, a damaged extension cable, or a misconfigured OK relay setpoint in the 3500 rack channel. Verify the gap voltage at the proximitor output, check the -24 VDC supply rail, inspect the extension cable and connectors, and confirm the OK relay threshold in the rack configuration before suspecting a defective transducer.

© 2026 KNMKS. All rights reserved.
Original Source: https://knmks.com
Contact: admin@knmks.com | +86 18359268345

Product Identification

Brand / Ecosystem

Bently Nevada
Bently Nevada

Model / Series

330104-19-25-10-02-00
Bently Nevada 3300 XL / 3301 Series

Product Family

Sensors

Availability Status

Available on request after model and quantity confirmation

Inquiry Type

B2B RFQ, replacement inquiry and project spare-part request

Pre-Quote Check

Exact SKU, brand, series, quantity, nameplate photos and destination country are checked before quotation

Specification & Inquiry Focus

Sensor range

Photoelectric, proximity and process sensors

Common needs

Output type, distance and connector

Project support

Machine detection and replacement inquiry

Inquiry Support

• NPN/PNP, analog and digital output checking
• Connector and cable compatibility review
• Fast inquiry support for maintenance teams

What to Send Us

• Brand and exact model number: Bently Nevada 330104-19-25-10-02-00
• Quantity and required delivery time
• Application, replacement requirement or nameplate photo
• Destination country and shipping preference