Comprehensive Feature Version

The 330103-00-18-10-02-00 is a Bently Nevada 3300 XL 8mm metric proximity probe featuring a fully threaded 180mm case length. Fully compatible with 3300 XL Proximitor sensors, this unarmored unit works seamlessly with industrial monitoring systems to deliver high-performance shaft displacement tracking and stable mechanical asset protection communication.

Specific Application

• Deep Mechanical Casing Engagement: Reaching through extra-thick machinery housings or complex outer jackets via an elongated 180mm structural metric threaded body.
• Maximized Mounting Thread Adjustability: Utilizing a completely threaded body profile with 0mm unthreaded area to provide field engineers maximum linear adjustment pathing inside machine frames.
• Restricted Conduit Cable Routing: Threading integrated 1.0-meter lines effortlessly through narrow or restrictive electrical conduits by utilizing a flexible unarmored cable construction.

System Compatibility

• Proximitor Integration: Fully compatible with the Bently Nevada 3300 XL Proximitor Sensor (e.g., 330180) and 3300 XL Extension Cables.
• Backward Interchangeability: Fully interchangeable with non-XL 3300 series 5mm and 8mm transducer systems compliant with API 670 standards.

Alternative Model & Differences

• Alternative Model: 330104-00-18-10-02-00 (8mm Metric Probe with Armor).
• Key Differences:
• Physical Cable Armor Protection: The 330103-00-18-10-02-00 configuration features a standard braided non-armored cable layer, whereas the 330104 model wraps the cable loops inside flexible stainless steel armor.
• Conduit and Routing Flexibility: The unarmored 330103 cable option is significantly more pliable and recommended for tight pulls through physical conduit pipe networks.

• Physical Abuse Resistance: The armored 330104 design provides vastly superior protection against mechanical cutting, pinching, or sharp metal edge impacts on exposed machine surfaces.

Installation & Troubleshooting FAQ

Q1: What is the correct gap voltage setting for the 330103-00-18-10-02-00 probe?

A: For this standard 3300 XL 8mm proximity transducer system, the correct initial calibration voltage is -10.0 VDC. This voltage corresponds to the physical midpoint of the sensor's 2.0 mm (80 mils) linear range. To set this up in the field, connect a digital multimeter to the Proximitor sensor's OUT and COM terminals, then slowly rotate the probe into the M10x1 mounting thread until the multimeter reads -10.0 VDC before tightening the locknut.

Q2: Why am I getting "false vibration" or high shaft runout readings during slow roll/barring?

A: This is usually caused by mechanical or electrical runout on the shaft target area. Eddy current probes are highly sensitive to surface imperfections. Scratch marks, rust, magnetism, or localized heat-treatment variations on the shaft track will be misread by the sensor as real dynamic vibration. To resolve this, ensure the probe track is precision-ground and demagnetized according to API 670 standards, or utilize your monitoring software to perform a slow roll runout compensation.

Q3: What happens if the side clearance or counterbore around the probe head is too tight?

A: If the counterbore diameter is too small or if the probe is too close to a shaft shoulder, it triggers a "Side Effect" (Cross-talk with housing). The electromagnetic field emitted from the 8mm tip will couple with the surrounding metallic walls, leading to reduced sensitivity or a completely distorted calibration curve. The counterbore diameter must be at least three times the probe tip diameter (minimum 24mm for an 8mm probe) to prevent physical signal dampening.

Accessories