

Product Introduction
The Bently Nevada 330100-90-05 is a 3300 XL Extension Cable designed for use with the 3300 XL 8 mm proximity probe system. This cable connects a 3300 XL 8 mm probe to a 3300 XL Proximitor sensor (e.g., 330180 series), allowing the Proximitor to be mounted remotely in a safer or more accessible location away from the machine’s harsh environment. The -90 suffix indicates a cable length of 9.0 meters (29.5 feet). The -05 suffix certifies the cable for use in hazardous (explosive) atmospheres with approvals including ATEX, CSA, and IECEx for Zone 0, 1, 2 (gas) and dust. The cable features a miniature coaxial (Mini‑Type) connector on one end for the Proximitor and a standard 3300 XL connector with a locking nut on the probe end. It is fully compatible with all 3300 XL 8 mm probes and Proximitors, providing exceptional signal integrity and noise immunity.
Parameters
| Parameter | Specification |
|---|---|
| Model / Part Number | 330100-90-05 |
| Product Type | 3300 XL Extension Cable (for 8 mm proximity system) |
| Cable Length | 9.0 m (29.5 ft) |
| Connector Type (Proximitor end) | Miniature Coaxial (Mini‑Type) |
| Connector Type (Probe end) | Standard 3300 XL connector with locking nut |
| Approval Code | -05 (Hazardous area: ATEX, CSA, IECEx Zone 0, 1, 2; gas and dust) |
| Cable Outer Diameter | 3.5 mm (0.14 in) |
| Bend Radius (minimum) | 35 mm (1.38 in) |
| Dimensions (length only) | 9.0 m overall length |
| Weight (approx.) | 0.32 kg (0.71 lb) |
| Temperature Range (cable) | –35 °C to +120 °C (–31 °F to +248 °F) |
| Jacket Material | Fluoropolymer (high chemical and abrasion resistance) |
| Capacitance | 95 pF/m (typical) |
| Impedance | 50 Ω (nominal) |
Application Scenarios
Remote Proximitor Placement in Hazardous Areas – Used on turbines, compressors, and pumps in oil refineries, chemical plants, and offshore platforms where the Proximitor must be mounted outside explosive zones (e.g., in a safe junction box) while the probe remains near the shaft. The
-05approval ensures compliance with strict safety regulations.Extended Reach for Large Machinery – Allows monitoring of widely spaced bearings on large steam turbines, gas turbines, or hydro generators where the distance between probe and Proximitor exceeds standard cable lengths (e.g., 2 m or 4.5 m). The 9.0 m cable eliminates the need for intermediate junction boxes.
Retrofit and System Expansion – Replaces older, shorter extension cables in existing 3300 XL installations, enabling relocation of Proximitors to more convenient maintenance areas without re‑running conduit or replacing probes.
High‑Noise Industrial Environments – The coaxial construction with fluoropolymer jacket provides excellent noise immunity and durability in environments with electromagnetic interference (e.g., near variable frequency drives, large motors, or welding equipment).
Space‑Constrained Installations – Allows the bulky Proximitor to be mounted in a central control cabinet rather than at each measurement point, simplifying wiring and reducing the risk of damage from vibration or high temperatures near the machine.
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7×24 hours technical consultation, from selection guidance to installation and commissioning to provide full life cycle service (paid)
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