Description

Technical Overview

The Bently Nevada 330103-02-12-05-02-05 is a high-precision, non-contact proximity probe engineered for continuous vibration and position monitoring in critical rotating machinery applications. Designed as part of the industry-standard 3300 XL series, this probe delivers exceptional signal fidelity, thermal stability, and long-term repeatability—making it ideal for turbomachinery, compressors, steam/gas turbines, and large electric motors in power generation, oil & gas, and chemical processing facilities.

Manufactured to stringent API 670 (4th Edition) and ISO 10816 compliance standards, the 330103-02-12-05-02-05 integrates seamlessly with Bently Nevada’s 3300/3500 monitoring systems and supports advanced diagnostics including shaft orbit analysis, gap voltage trending, and runout compensation. Its ruggedized stainless steel housing and hermetically sealed construction ensure reliable operation in harsh industrial environments—including exposure to high humidity, hydrocarbon vapors, and wide ambient temperature swings (–30°C to +120°C).

Detailed Specifications

• Model Number: 330103-02-12-05-02-05
• Brand: Bently Nevada (a Baker Hughes company)
• Type: Non-contact eddy-current proximity probe
• Probe Diameter: 5 mm (0.2 in)
• Linear Range: 2.0 mm (0.08 in)
• Sensitivity: 4.0 V/mm (100 mV/mil)
• Null Point Output: –10.0 VDC ±0.1 V (at mid-range)
• Cable Length: 5.0 meters (standard, integral coaxial cable)
• Operating Temperature: –30°C to +120°C (probe tip); –40°C to +85°C (connector end)
• Environmental Rating: IP67 (when mated with compatible connector)
• Material: 316 stainless steel body; PTFE-insulated cable jacket
• Compliance: CE, UKCA, ATEX II 2G Ex db IIC T6 Gb (optional variant), IEC 61000-6-2/-6-4

Operational Capabilities

The 330103-02-12-05-02-05 excels in real-time dynamic measurement of shaft displacement, vibration amplitude, and relative position—with sub-micron resolution and minimal phase shift across its operating frequency range (0–10 kHz). Its optimized electromagnetic field geometry minimizes edge-effect errors and enables accurate measurements even on small-diameter or low-conductivity targets (e.g., Inconel or titanium shafts). When paired with a 3300 XL extension cable and 3300/3500 monitor, the probe supports dual-channel differential configurations for thrust position monitoring and provides buffered analog outputs (–10 to 0 VDC) plus digital HART or Modbus RTU options via compatible interface modules.

Field-proven in mission-critical assets, this probe reduces unplanned downtime through early detection of misalignment, bearing wear, rotor imbalance, and rub conditions—supporting predictive maintenance programs aligned with ISO 18436-2 and ISO 55001 asset management frameworks.

Technical FAQ

Can the 330103-02-12-05-02-05 be used with non-Bently Nevada monitors?

Yes—while optimized for Bently Nevada 3300/3500 systems, the probe’s standard -10 to 0 VDC output and eddy-current operating principle allow integration with third-party PLCs, DCS platforms, and vibration analyzers that accept calibrated DC voltage inputs and support 4.0 V/mm sensitivity scaling.

What is the recommended calibration interval?

Bently Nevada recommends annual recalibration per ISO 17025-accredited labs—or after any physical impact, extreme thermal cycling, or performance deviation exceeding ±2% full-scale linearity. Factory calibration certificates (traceable to NIST) are provided with each unit.

Is cable replacement possible without recalibration?

No. The 330103-02-12-05-02-05 features an integral, factory-tuned cable. Replacement requires full system recalibration using matched probe-cable-monitor sets to maintain specified linearity and sensitivity accuracy.

Contact us for bulk pricing and availability