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The 330902-00-90-05-02-00 is a 3300 XL NSv proximity probe manufactured by Bentley Nevada, USA, and is an important component of industrial vibration monitoring systems. This series is specifically designed for installation environments with limited space and restricted access.
Axial (thrust) position measurements
Tachometer and zero speed measurements
Radial vibration and radial position measurements
The 3300 XL NSv Proximity Transducer system is intended for use with centrifugal air compressors, refrigeration compressors, process gas compressors, and other machines with tight installation requirements. The primary uses for the 3300 XL NSv Transducer System are for areas where counter bore, sideview, or rearview restrictions limit the use of standard Bently Nevada 3300 and 3300 XL 5 and 8 mm Transducer Systems. It is also ideal for small target applications, such as measuring radial vibration on shafts smaller than 51 mm (2 in) or axial position on flat targets smaller than 15 mm (0.6 in).
The 3300 XL NSv Transducer System design allows it to replace both the 3300 RAM Transducer Systems and the 3000-series or 7000-series 190 Transducer System. Upgrades from the 3300 RAM system to the 3300 XL NSv system may use the existing probe, extension cable, and monitoring system with 3300 XL NSv Proximitor Sensor. Upgrades from the 3000-series or 7000-series Transducer System must replace the probe, extension cable, and Proximitor Sensor with NSv components.
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 330902-00-90-05-02-00 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.
Oil & Gas
The 330902-00-90-05-02-00 tracks high-speed shaft centerline movement inside critical hydrocarbon process pumps to detect fluid-film bearing wear and prevent volatile gas leaks.
Thermal Power
In coal-fired or gas-turbine power plants, the 330902-00-90-05-02-00 monitors vibration on critical high-pressure feed water pumps, ensuring a continuous water supply to boilers and avoiding unscheduled plant blackouts.
Steel & Metallurgical
Large air blowers supplying oxygen to blast furnaces rely on the 330902-00-90-05-02-00 probe to detect unbalance, misalignment, or aerodynamic stalls caused by harsh industrial particulate intake.
Nuclear Power
Utilized in safety-related and auxiliary pumping systems, the 330902-00-90-05-02-00 delivers reliable dynamic vibration feedback to early-warning diagnostic networks in non-containment zones.
Pulp & Paper
The 330902-00-90-05-02-00 withstands the high humidity and high temperatures of paper machines, tracking shaft eccentricities and bearing degradation on large heated rolling cylinders.
When installing and operating the Bently Nevada 330902-00-90-05-02-00 proximity probe, strict adherence to mechanical and electrical guidelines is critical to ensuring measurement accuracy and avoiding premature sensor failure. First, never over-torque the locknuts during mechanical mounting, as excessive stress can easily crack the internal electronics housed within the probe body.
Second, because this specific model (-00 trailing option) features a standard unarmored coaxial cable, technicians must handle the cable with extreme care, maintaining a proper bend radius and avoiding sharp pinches, kinks, or dragging that could rupture the jacket.
Lastly, to prevent signal distortion and maintain calibration integrity, always ensure adequate side-clearance from surrounding metals to avoid side-scouting interference, and verify that the target shaft matches the standard AISI 4140 steel calibration required by the 3300 NSv system.
The Bently Nevada 330902-00-90-05-02-00 is a 3300 NSv series non-contact eddy current proximity probe.
What are the target applications for the 330902-00-90-05-02-00 sensor?
The 330902-00-90-05-02-00 is optimized for tight spaces and small-diameter shafts, making it ideal for centrifugal air compressors, industrial pumps, fans, and small steam turbines.
Does the 330902-00-90-05-02-00 probe require an extension cable?
Yes, depending on your system configuration.
What type of target material is required for the 330902-00-90-05-02-00 sensor?
It is standardly calibrated for AISI 4140 electric furnace steel targets. Using other target metals will require recalibration due to differences in magnetic permeability and conductivity.
How do I calibrate the gap voltage for the 330902-00-90-05-02-00 during commissioning?
Use a digital voltmeter to check the DC voltage output from the Proximitor sensor. Adjust the mechanical position of the 330902-00-90-05-02-00 probe until the voltage reads around the nominal center point (typically -10 Vdc).
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