
Product Overview
The BENTLY NEVADA 125768-01 is a precision 0.5-meter(50 cm)proximity probe extension cable engineered for use with Bently Nevada’s 3300 and 3300 XL eddy-current sensor systems.This ultra-short extension is specifically designed to bridge minimal gaps between a standard 5-meter integral-cable proximity probe and its associated Proximitor®signal conditioner,enabling flexible installation in confined spaces—such as junction boxes,terminal enclosures,or densely packed control panels—without compromising system calibration.The BENTLY NEVADA 125768-01 is not a generic patch cord;it is a factory-calibrated,impedance-matched component that maintains the electrical integrity required for accurate shaft displacement and vibration measurement per API 670 standards.
When used with a typical 5 m probe(e.g.,330103-00-05-…),the BENTLY NEVADA 125768-01 forms a complete 5.5-meter system,which must be paired exclusively with a 5.5-meter calibrated Proximitor(such as 3300/82-055-00).This configuration is ideal for applications where the original 5 m probe falls just short of reaching the Proximitor due to panel layout changes,conduit routing,or retrofit modifications.The BENTLY NEVADA 125768-01 ensures the total electrical length remains consistent with the Proximitor’s calibration curve,preserving the–7.87 V/mm sensitivity and 2.0 mm linear range that define the reliability of the 3300 XL platform.
Technical Specifications
Parameter Name Parameter Value
Product Model 125768-01
Manufacturer BENTLY NEVADA(a Baker Hughes company)
Product Type Proximity probe extension cable
Length 0.5 meter(50 cm)
Total System Compatibility 5.5-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
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 125768-01 excels in delivering signal accuracy in spatially constrained installations.Its compact 0.5-meter length solves common field challenges—such as insufficient slack during panel upgrades or misaligned conduit entries—without forcing engineers to replace entire probes or reroute long cables.Despite its short span,it incorporates the same high-grade materials and shielding as longer extensions,ensuring no compromise in performance.
Dual shielding(foil+braid)provides robust immunity against electromagnetic interference from nearby power circuits,motor drives,or radio transmitters—critical for maintaining clean DC output signals in electrically noisy industrial environments.The gold-plated microdot and twist-lock connectors guarantee low-resistance,vibration-resistant connections that withstand years of thermal cycling and mechanical stress.
Because the BENTLY NEVADA 125768-01 is manufactured to exacting impedance tolerances,it integrates seamlessly into certified machinery protection systems.Unlike non-Bently alternatives,it does not introduce capacitance shifts that distort the probe’s linear response.This fidelity supports early detection of subtle mechanical anomalies—such as incipient bearing wear or shaft cracks—making the BENTLY NEVADA 125768-01 a vital enabler of predictive maintenance and operational safety.
Application Field
The BENTLY NEVADA 125768-01 is frequently deployed in retrofit projects and modernization efforts where legacy probe cable lengths are marginally inadequate.In combined-cycle power plants,it accommodates new I/O marshaling panels installed slightly farther from turbine bearings than original designs.In offshore oil&gas platforms,the BENTLY NEVADA 125768-01 enables neat terminations inside explosion-proof enclosures where space is at a premium.
It is also common in industrial compressors,pumps,and gearboxes undergoing control system upgrades—particularly when migrating to digital monitoring platforms like the 3500 rack or integrating with DCS via analog I/O.Because the BENTLY NEVADA 125768-01 supports full API 670 compliance,it is accepted in safety-critical shutdown logic for gas turbines and emergency-driven equipment.Its reliability in high-humidity,salt-laden,or chemically aggressive atmospheres further extends its utility across marine,chemical,and pulp&paper industries.
Related Products
125768-02:1.0-meter version for 6-meter total systems
125800-01:1-meter extension(functionally similar,different part numbering)
330103-00-05-10-02-00:Standard 5 m 8 mm probe(pairs with 125768-01)
3300/82-055-00:Required 5.5-meter calibrated Proximitor
330901-00-00:M10 probe mounting adapter
3500/42M:4-channel monitor module for 3500 system integration
125840-01:2-meter extension for 7-meter systems
Installation and Maintenance
Pre-installation preparation:Verify that the total system length—5 m probe plus BENTLY NEVADA 125768-01—equals 5.5 meters,and that the Proximitor is explicitly labeled“5.5M”(e.g.,3300/82-055-00).Inspect both connectors for debris or bent pins,and ensure the jacket shows no signs of cracking or oil exposure.Route the BENTLY NEVADA 125768-01 with gentle bends(minimum bend radius>5×cable diameter)and avoid pinching under clamps or gland plates.
Maintenance recommendations:During plant outages,examine the BENTLY NEVADA 125768-01 for connector corrosion,jacket embrittlement,or shield damage—especially in high-temperature zones near steam lines.Never attempt field repairs;any splice or modification invalidates the calibrated length and violates API 670 requirements.Store spare BENTLY NEVADA 125768-01 units coiled loosely in dry,temperature-controlled storage to prevent permanent set or insulation fatigue.Always label extension cables clearly by length to prevent accidental mismatches during replacements.
Product Guarantee
Every BENTLY NEVADA 125768-01 is produced under stringent quality management systems aligned with ISO 9001 and validated for seamless integration within Bently Nevada’s machinery protection ecosystem.Full calibration traceability and material certifications are maintained to support regulatory compliance and safety audits.Backed by a 24-month warranty,the BENTLY NEVADA 125768-01 is supported by global application engineering and technical services—ensuring your monitoring system delivers precision,reliability,and peace of mind throughout the asset lifecycle.
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