Product Overview

The BENTLY NEVADA 125800-01 is a 1-meter proximity probe extension cable engineered specifically for use with Bently Nevada’s 3300 and 3300 XL eddy-current sensor systems.Designed to extend the reach between a standard 5-meter integral-cable proximity probe and its remote-mounted Proximitor®signal conditioner,this high-fidelity cable maintains the precise electrical characteristics required for accurate,linear gap measurement in machinery protection and condition monitoring applications.The BENTLY NEVADA 125800-01 is not a generic interconnect—it is a calibrated,impedance-matched component that ensures system compliance with API 670 standards.

When paired with a typical 5 m probe(e.g.,330103-00-05-…),the BENTLY NEVADA 125800-01 creates a complete 6-meter system,which must be used exclusively with a 6-meter calibrated Proximitor(such as 3300/82-06-00).This configuration is commonly deployed where minor routing adjustments are needed—such as navigating junction boxes,control panel entries,or tight bearing housings—without compromising signal integrity.The BENTLY NEVADA 125800-01 preserves the–7.87 V/mm sensitivity and 2.0 mm linear range of the 3300 XL platform,ensuring reliable detection of vibration,shaft position,or mechanical faults over the asset’s operational life.

Technical Specifications

Parameter Name Parameter Value

Product Model 125800-01

Manufacturer BENTLY NEVADA(a Baker Hughes company)

Product Type Proximity probe extension cable

Length 1.0 meter

Total System Compatibility 6-meter(with 5 m probe)

Connector(Probe End)Miniature coaxial twist-lock(3300 XL compatible)

Connector(Proximitor End)Microdot(standard for 3300 XL series)

Shielding Dual-layer:aluminum foil+braided copper shield

Jacket Material Oil-resistant polyurethane(PUR),abrasion and UV resistant

Operating Temperature Range–30°C to+125°C

Characteristic Impedance Matched to 3300 XL system(~50Ω)

Compliance Standards API 670,CE,RoHS

Main Features and Advantages

The BENTLY NEVADA 125800-01 delivers uncompromised signal fidelity through precision manufacturing and rigorous quality control.Its dual-shielded construction effectively suppresses electromagnetic interference(EMI)and radio-frequency interference(RFI)—critical in plants with variable-frequency drives,arc welders,or high-power switchgear.This shielding,combined with consistent impedance along the entire 1-meter length,prevents signal distortion that could lead to false alarms or missed fault conditions.

Built for durability,the BENTLY NEVADA 125800-01 features a high-flex polyurethane jacket that resists degradation from oils,greases,solvents,and ozone—common in refineries,power stations,and heavy industrial settings.The gold-plated microdot and twist-lock connectors ensure low-contact resistance and secure mating,even under continuous vibration.Unlike non-certified cables,the BENTLY NEVADA 125800-01 undergoes factory validation to guarantee it does not alter the probe’s calibration curve,preserving the±0.5%linearity expected from Bently Nevada systems.

This 1-meter extension is particularly valuable during retrofits or panel relocations,where existing probe cable lengths fall just short of the new Proximitor location.By using the BENTLY NEVADA 125800-01,engineers avoid costly probe replacements and maintain full system traceability—ensuring continued compliance with safety and insurance requirements for critical machinery.

Application Field

The BENTLY NEVADA 125800-01 is widely used in applications requiring minimal but essential cable extension without recalibration.In combined-cycle power plants,it bridges the gap between turbine bearing probes and nearby I/O cabinets mounted on skid frames.In petrochemical compressors,the BENTLY NEVADA 125800-01 accommodates conduit transitions or explosion-proof barrier installations while maintaining signal clarity for shutdown systems.

It is also common in marine propulsion systems and industrial blowers,where space constraints demand compact yet flexible cabling solutions.Because the BENTLY NEVADA 125800-01 supports API 670-compliant machinery protection,it is frequently integrated into SIL-rated safety instrumented systems(SIS)for gas turbines and centrifugal pumps—where vibration trip reliability is non-negotiable.Its consistent performance across temperature cycles and chemical exposures makes it a trusted choice for global operators managing high-value rotating assets.

Related Products

125800-02:2-meter version for 7-meter total systems

125840-01:Alternate 2-meter extension(same function,different series numbering)

330103-00-05-10-02-00:Standard 5 m 8 mm probe(pairs with 125800-01)

3300/82-06-00:Required 6-meter calibrated Proximitor

330901-00-00:M10 probe mounting adapter

3500/42M:4-channel monitor for 3500 rack integration

125840-02:4-meter extension for 9-meter systems

Installation and Maintenance

Pre-installation preparation:Confirm that the total system length—5 m probe plus BENTLY NEVADA 125800-01—equals 6 meters,and that the Proximitor is labeled“6M”(e.g.,3300/82-06-00).Inspect connectors for damage and ensure the cable jacket is intact.Route the BENTLY NEVADA 125800-01 away from high-voltage sources;if crossing is necessary,do so at 90-degree angles.Ground the shield at the Proximitor end only to avoid ground loops that introduce noise into the DC output signal.

Maintenance recommendations:During routine inspections,check the BENTLY NEVADA 125800-01 for signs of oil saturation,jacket hardening,or connector wear—especially in high-temperature zones.Never cut,splice,or repair the cable;such modifications invalidate the system calibration and violate API 670 compliance.Store spare BENTLY NEVADA 125800-01 units in dry,climate-controlled environments to preserve jacket flexibility and connector plating.Always label extension cables by length to prevent accidental mismatches during maintenance.

Product Guarantee

Every BENTLY NEVADA 125800-01 is manufactured to exacting specifications under ISO 9001-certified processes and validated for compatibility within Bently Nevada’s machinery monitoring architecture.We provide full traceability and compliance documentation to support regulatory audits and safety certifications.Backed by a 24-month warranty,the BENTLY NEVADA 125800-01 is supported by global technical expertise—ensuring your vibration monitoring system remains accurate,reliable,and ready to protect your most critical rotating equipment.

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