The Bently Nevada 330105-02-12-10-02-CN is a 3300 XL 8mm reverse mount proximity probe with a 1.0-meter cable. It provides high-accuracy vibration monitoring with CN-specific regional certification.
The Bently Nevada 330105-02-12-10-02-CN operates as a high-precision, non-contacting displacement sensor within the 3300 XL 8mm Transducer System. This specific model utilizes a reverse mount design, which allows technicians to install the probe from the outside of the machine housing via a probe housing assembly. By generating an eddy current field to measure the microscopic distance to a rotating shaft, the probe provides the essential raw data required for monitoring vibration, thrust position, and rotational speed.
Engineers designed this probe to solve installation challenges in confined spaces where internal mounting is impossible. This model features a 3/8-24 UNF thread and a 1.2-inch overall case length, specifically configured for reverse-mount applications. Furthermore, the “CN” suffix confirms that the hardware complies with Chinese regional standards, ensuring it meets all necessary regulatory and safety requirements for industrial deployment in that market. The unit maintains a consistent Scale Factor across a wide thermal range, which prevents temperature shifts from distorting the vibration data.
This proximity probe actively facilitates predictive maintenance strategies by delivering a continuous stream of machinery health information to the 3500 Monitoring System. Consequently, operators can detect early indicators of mechanical failure, such as shaft misalignment or rotor imbalance, without stopping the machine for physical inspections. Because the reverse mount design allows for probe replacement without removing the machine’s bearing covers, it significantly reduces maintenance downtime and labor costs.
Primary industrial applications include:
To ensure reliable performance in aggressive atmospheres, Bently Nevada utilizes a 304 stainless steel body and a PPS (polyphenylene sulfide) resin tip. This robust construction creates a hermetic seal that protects the internal sensing coil from oil, water, and steam ingress. Additionally, the patented ClickLoc connector technology provides a secure, vibration-resistant electrical path. This locking mechanism ensures the signal remains stable despite the high-frequency oscillations typical of large-scale industrial rotating equipment.
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