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Bently Nevada 330103-20-25-05-02-CN 3300 XL 8mm Proximity Probe
Premium 330103-20-25-05-02-CN 3300 XL 8mm proximity probe available. Brand new original stock with immediate global shipping options for industrial systems.
Description
The Bently Nevada 330103-20-25-05-02-CN, also cataloged as the 330103 3300 XL 8mm Proximity Probe, operates as a dedicated hardware component for continuous machinery vibration monitoring and protection within 3500 Series Machinery Protection System platforms.
Suffix Breakdown & Model Matrix
| Option Slot | Configured Code | Technical Definition |
|---|---|---|
| Unthreaded Length | 20 | 2.0 inches unthreaded length |
| Overall Case Length | 25 | 2.5 inches overall case length |
| Total Length | 05 | 0.5 meter (1.6 feet) total probe length |
| Connector Option | 02 | Miniature coaxial ClickLoc connector, standard cable |
| Agency Approval | CN | Approvals required for Chinese national standards / Ex hazardous area applications |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 330103-20-25-05-02-CN |
| Brand | Bently Nevada |
| Origin | United States |
| Weight | 0.15 kg typical |
| Dimensions | 3/8-24 UNF thread profile / 8 mm tip diameter |
| Operating Temp | -51 to +177 deg C |
| Power Consumption | Passive transducer component (powered by external Proximitor Sensor) |
| Scale Factor | 7.87 V/mm (200 mV/mil) +/-5% when paired with 3300 XL Proximitor |
| Linear Range | 2.0 mm (80 mils) total linear displacement target |
| Pressure Rating | Sealing up to 7.0 bar (100 psi) differential across probe tip |
Machinery Monitoring and TSI Characteristics
The 330103-20-25-05-02-CN tracks physical shaft displacement to analyze complex rotor dynamics. Consequently, field engineers must calibrate the eddy-current probe scaling configurations to match the target material, which prevents system linearization errors. Furthermore, technicians execute gap voltage validation to ensure that the static baseline DC voltage remains near the -10 VDC targets; as a result, the probe tracks fast-moving journal bearings safely within its defined linear measurement range. Additionally, the balanced coaxial design integrates with standard ClickLoc connectors to provide high cross-talk suppression, thereby preventing mutual signal interference between closely spaced transducer lines in high-density machine casings.
Frequently Asked Questions
Q: Can this 0.5-meter probe connect directly to a 3500 series monitor card without an extension cable?
A: No. The 3300 XL 8mm proximity probe loop requires a matching extension cable to reach a total electrical system length of 5.0 meters or 9.0 meters. Therefore, technicians must pair this 0.5-meter probe with a 4.5-meter or 8.5-meter extension cable respectively to ensure the Proximitor sensor reads the correct capacitance.
Q: What specific torque values should installers apply when mounting this 3/8-24 threaded probe case?
A: Installers should apply a maximum torque of 11.2 N-m (100 in-lb) to the locknuts during final positioning. Over-tightening the threads will distort the internal coil assembly, which induces permanent mechanical and electrical failure within the probe body.
Field Installation Guidelines
- Thread the probe housing into the mounting bracket or casing portal smoothly, thereby ensuring proper alignment relative to the target surface without scoring the 8 mm sensor tip face.
- Apply strict shielding protocols to all extension cable terminal runs. Specifically, land the outer shield at the 3500 monitor rack terminal block ground only, while maintaining a floating state at the sensor head to eliminate industrial ground loops.
- Protect the miniature coaxial ClickLoc connector pairs with clear silicone self-fusing tape, which isolates the electrical junctions from moisture, grease, and local corrosive atmospheres
Additional information
| Weight | 0.55 kg |
|---|---|
| Dimensions | 32 × 18 × 20 mm |
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