Description

Bently Nevada 330105-02-12-15-02-CN | 3300 XL 8 mm Proximitor Sensor

The Bently Nevada 330105-02-12-15-02-CN is a high-performance Proximitor Sensor and a fundamental component of the 3300 XL 8 mm Proximity Transducer System. This device serves as the signal conditioning unit that supplies power to the proximity probe and converts the returned eddy current signal into a usable voltage output. Because this output is directly proportional to the distance between the probe tip and the target shaft, it allows for the precise measurement of both static position (axial thrust) and dynamic motion (radial vibration).

Advanced Signal Conditioning and System Logic

This Proximitor Sensor incorporates sophisticated circuitry designed to linearize the non-linear signals received from the transducer. Consequently, it provides a consistent scale factor of 7.87 V/mm (200 mV/mil), which is the industry standard for machinery protection. The “CN” configuration confirms that the unit adheres to specific regional compliance standards, making it suitable for global industrial deployments where certified hardware is mandatory for safety and insurance requirements.

Technical Specifications

The 330105-02-12-15-02-CN is built to withstand rigorous industrial service. Key technical data includes:

• Manufacturer: Bently Nevada (Baker Hughes)
• Model Number: 330105-02-12-15-02-CN
• System Type: 3300 XL 8 mm Proximity Transducer
• Total Length Support: 5.0 meters (Option 50 compatible)
• Mounting Type: 35 mm DIN rail or Panel Mount (Option 02)
• Output Signal: Proportional Voltage (Typical 200 mV/mil)
• Frequency Response: 0 Hz to 10 kHz
• Operating Temperature: -52 °C to +100 °C (-62 °F to +212 °F)
• Weight: 0.32 kg
• Dimensions: 2.2 cm x 12.4 cm x 12.6 cm

Critical Machinery Protection Applications

Operators primarily utilize this sensor within Turbine Supervisory Instrumentation (TSI) packages to monitor the health of critical rotating assets. By providing real-time data on shaft displacement, the sensor detects early warning signs of mechanical distress such as misalignment, unbalance, or fluid-film bearing instability. This early detection capability allows plant personnel to execute controlled shutdowns before catastrophic mechanical failure occurs, effectively safeguarding turbines, compressors, and large-scale motors.

Industrial Resilience and Installation Versatility

The 330105-02-12-15-02-CN features a ruggedized housing that provides excellent immunity to electromagnetic interference (EMI) and radio frequency interference (RFI). This shielding ensures that the integrity of the vibration signal remains uncompromised, even when installed near high-voltage equipment. Furthermore, the modular design allows for rapid installation into existing 3300 or 3500 series racks. Since the unit is factory-calibrated for specific cable lengths, it provides a “plug-and-play” experience that minimizes the need for extensive field calibration during commissioning.