Description

Technical Overview

The Bently Nevada 330104-00-04-10-02-05 is a high-precision 8 mm proximity probe engineered for mission-critical shaft vibration, axial position, and differential expansion monitoring in rotating machinery. Designed as part of the industry-standard 3300 XL series, this probe delivers exceptional signal stability, temperature resilience, and long-term repeatability—making it ideal for gas turbines, steam turbines, compressors, and large motors in power generation, oil & gas, and industrial manufacturing environments.

Manufactured to stringent API 670 (4th Edition) and ISO 10816 compliance requirements, the 330104-00-04-10-02-05 integrates seamlessly with Bently Nevada 3300/3500 monitoring systems and compatible third-party condition monitoring platforms. Its robust stainless steel housing, PTFE-insulated cable, and hermetically sealed tip ensure reliable performance under extreme thermal cycling, high humidity, and corrosive atmospheres—common challenges in refinery and offshore applications.

Detailed Specifications

• Probe Diameter: 8 mm
• Active Sensing Length: 10 mm
• Standard Cable Length: 5 m (integral, low-noise coaxial)
• Operating Temperature Range: –30 °C to +120 °C (probe tip); –40 °C to +85 °C (connector)
• Material: 316 stainless steel probe body; PTFE-insulated, tinned-copper conductor cable
• Output Type: High-frequency AC voltage (proportional to gap change)
• Frequency Response: 0–10 kHz (±5 % amplitude tolerance)
• Linearity: ±1 % full scale over specified linear range (2.0 mm)
• Calibration: Factory-calibrated per ASTM E177; includes NIST-traceable calibration certificate
• Electromagnetic Compatibility (EMC): Compliant with IEC 61000-6-2 (immunity) and IEC 61000-6-4 (emissions)

Operational Capabilities

The 330104-00-04-10-02-05 excels in continuous, real-time displacement measurement with sub-micron resolution—enabling early detection of bearing wear, misalignment, rotor rub, and thermal growth anomalies. Its optimized electromagnetic field geometry minimizes sensitivity to target material variations (e.g., 4140 vs. Inconel shafts), while built-in temperature compensation ensures consistent output across wide ambient swings. When paired with a 3300 XL extension cable and 3300/3500 monitor, the probe supports dual-channel redundancy, alarm latching, and 4–20 mA or Modbus RTU output options via system configuration.

Installation is simplified by standardized ½–20 UNF mounting threads and integrated strain relief. The probe’s non-contact operation eliminates mechanical wear, delivering >10-year service life with no routine recalibration required under stable operating conditions—significantly reducing total cost of ownership versus contact-based sensors.

Technical FAQ

Q: Is the 330104-00-04-10-02-05 compatible with legacy 3300 series monitors?

A: Yes—it is fully backward-compatible with all 3300 series monitors (including 3300 16, 3300 22, and 3300 42) and meets the electrical and mechanical interface specifications defined in the 3300 XL upgrade path.

Q: Can this probe be used in explosive atmospheres?

A: Not intrinsically—this model is not ATEX or IECEx certified. For hazardous locations, specify the explosion-proof 330180-00-04-10-02-05 variant with appropriate barrier systems or consult our engineering team for certified installation guidance.

Q: What is the recommended target material thickness and surface finish?

A: Minimum target thickness: 3 mm (to prevent magnetic saturation). Optimal surface finish: Ra ≤ 0.8 µm (32 µin); rougher surfaces may reduce effective linearity and require field recalibration.

Contact us for bulk pricing and availability