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The 330104-00-07-10-01-CN serves as a non-contact displacement sensor utilized within large rotating machinery. In field operations, this probe is rigidly fixed to the bearing housing, where it converts micron-level mechanical movements or vibration amplitudes of the metal shaft surface into corresponding voltage signals for real-time monitoring.
One 3300 XL 8 mm probe
One 3300 XL extension cable
One 3300 XL Proximitor Sensor
The 3300 XL 8 mm system delivers the most advanced performance in our eddy current proximity transducer systems. The standard 3300 XL 8 mm 5-meter system also fully complies with the American Petroleum Institute’s (API) 670 Standard for mechanical configuration, linear range, accuracy, and temperature stability.
All 3300 XL 8 mm proximity transducer systems provide this level of performance and support complete interchangeability of probes, extension cables, and Proximitor sensors, eliminating the need to match or bench calibrate individual components. Each 3300 XL 8 mm Transducer System component is backward compatible and interchangeable with other non XL 3300 series 5 mm and 8 mm transducer system components. This compatibility includes the 3300 5 mm probe, for applications in which an 8 mm probe is too large for the available mounting space.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Bently Nevada 330104-00-07-10-01-CN Proximity Probe Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Thermal Power Industry
Used for monitoring the main shafts of steam turbines and generators to measure radial vibration, axial displacement, and eccentricity, preventing rotor-to-stator rubs.
Hydroelectric Power
Installed on the main shafts of hydro-turbines (at guide bearings) to monitor shaft runout, axial thrust, and phase reference (keyphase), ensuring stability under water flow impact.
Nuclear Power
Utilized in nuclear power steam turbines and massive main feedwater pumps for continuous condition monitoring and safety interlock shutdown protection.
Petrochemical
Used to monitor oil film bearing clearances and shaft vibrations in cracking gas compressors and hydrogen compressors within hazardous Ex-rated zones.
Paper & Pulp Industry
Utilized in heavy-duty pulpers and paper machine dryer sections to measure relative shaft expansion (differential expansion) under high-load continuous operations.
Wind Power Industry
Implemented in megawatt-class wind turbines to monitor the radial runout of the main shaft (low-speed) and gearbox high-speed shafts, reducing O&M costs.
When using the 330104-00-07-10-01-CN probe, the following critical points must be strictly observed. For mechanical installation, the tightening torque must be controlled around 5.1 N·m to prevent shearing the M10 thread or damaging the probe tip, and the armored cable's bend radius must not be less than 25.4 mm during routing.
For electrical calibration, you must ensure the total cable length of the complete proximity system including the probe, extension cable, and Proximitor strictly matches either a 5.0-meter or 9.0-meter system configuration, and the initial static gap voltage must be precisely adjusted to approximately -10.0 Vdc at the center of the linear range by monitoring the Proximitor output during mounting.
For field protection, as this model carries the CN explosion-proof certification, all field wiring must rigidly comply with national hazardous area installation codes. Furthermore, the ClickLoc coaxial connector should only be finger-tightened without tools, and the connector protector must be properly installed to prevent oil and moisture ingress.
The Bently Nevada 330104-00-07-10-01-CN is a 3300 XL 8 mm eddy current proximity probe featuring an M10×1 metric thread, a 70 mm unthreaded overall case length, a 1.0-meter standard cable, and CN agency approvals for China. Designed for non-contact vibration and position measurements on fluid-film bearing and rotating machinery, the system provides an output voltage directly proportional to the distance between the 8 mm probe tip and the observed conductive surface, making it ideal for continuous monitoring and Keyphasor reference measurements on equipment such as steam turbines and compressors. For further details, please refer to the official Bently Nevada product manual.
It is a 3300 XL 8 mm eddy current proximity probe manufactured by Bently Nevada, featuring a metric thread (M10×1) with a straight exit.
If a damaged 330104-00-07-10-01-CN is replaced with a new probe, do we need to bench recalibrate the whole system?
No. The Bently Nevada 3300 XL system supports complete component interchangeability. This means you can replace the probe directly without a matched recalibration of the cable and Proximitor.
What advantage does the CN suffix bring to the 330104-00-07-10-01-CN?
The CN suffix represents the China National Ex certification approval. This means the probe can be legally and safely installed in hazardous environments with explosion risks like petrochem or coal mines.
What is the purpose of the stainless steel armor on the 330104-00-07-10-01-CN?
The flexible stainless steel armor encloses the cable outer layer. It provides heavy-duty mechanical protection to prevent the cable from accidental pulling, abrasion, or crushing damage during field wiring.
What should the initial voltage be adjusted to during the installation of the 330104-00-07-10-01-CN?
During mechanical mounting, you should observe the Proximitor output. The static gap voltage between the probe and shaft should be precisely adjusted to around -10.0 Vdc, which is the center of its linear range.
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