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Technical specifications for 330780-50-00
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Manufacturer:Bently Nevada
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Product Category:Machinery Monitoring Systems
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Spare Part Number:330780-50-00
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Estimated shipping dimensions:8x6.1x6.3cm
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Weight:0.25 kg
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Tariff Code:8537101190
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Counliy of origin:USA
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Total Length:5.0 meter(16.4 feet) system length, panel mount
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System Length:5.0 meters
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Mounting:Panel Mount
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OUTPUT:3,94 V/MM (100 MV / MIL)
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Operating Voltage:-24 Vdc
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Output Frequency:0 Hz to 10 kHz
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Agency Approval Option:Not required
Information
Overview
Manuals
Common Applications
Product Precautions
The 330780-50-00 is the core preamplifier for the Bently Nevada 3300 XL 11mm eddy current proximity sensor system. This hardware unit is engineered for heavy industrial rotating machinery, enabling precise non-contact measurement of dynamic vibration, static displacement, axial (thrust) position, keyphasor phase reference signal, and rotational speed in sliding bearing machines.
- Axial (thrust) position measurements
- Phase reference (Keyphasor) signals
- Tachometer and zero speed measurements
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 330780-50-00 Proximitor Sensor 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 Generation
Used for monitoring shaft vibration, axial displacement (thrust), and differential expansion of large steam turbines and generators to prevent blade-to-casing rub.
Hydroelectric Power
Monitored for shaft swing (runout), guide bearing vibration, and vertical displacement of hydro-turbine generator units to ensure stability under high hydraulic head.
Nuclear Power
Employed to monitor the operating status of reactor coolant pumps and main steam turbines, providing high-level mechanical fault warnings and safety interlocking shutdown protection.
Oil & Gas
Installed on gas injection compressors of offshore drilling platforms or onshore gas fields to monitor bearing clearances and dynamic displacement in real time.
Petroleum Refining
Used in flue gas turbines and rich gas compressors within catalytic cracking units to monitor shaft axial position in hazardous, high-temperature, and high-pressure environments.
When using the Bently Nevada 330780-50-00 Proximitor Sensor, the critical points to note are as follows. First, you must ensure strict system length matching (5m or 9m) with the 11mm probe and extension cable, and never mix components from different systems. Second, implement proper grounding (single-point ground) to prevent the housing from contacting the machine casing and causing ground loops. Finally, precisely calibrate the probe initial gap (offset voltage setting), while keeping the system free from surrounding electromagnetic interference and severe mechanical vibration.
FAQ View All FAQ
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What exactly is the 330780-50-00 device?This is an industrial-grade non-contact eddy current proximity transducer manufactured by Bently Nevada, belonging to the 3300 XL 11 mm sensor system platform.
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What is the core function of the 330780-50-00?Its core function is to condition the raw electrical signals collected by the probe and deliver a standardized analog voltage output directly proportional to the physical distance of the observed metal surface.
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Does the 330780-50-00 belong to pressure sensors or displacement sensors?This hardware belongs to non-contact displacement sensor systems, specifically utilized for measuring mechanical displacement and vibration rather than gas or liquid pressure.
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How do you properly install and use a product like the 330780-50-00?It is used by securing it onto an interior mounting panel or DIN rail inside a control cabinet, connecting it to a co-series 11 mm probe and extension cable via dedicated terminals, and wiring the voltage output to a 3500 monitor.
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What is the physical difference between the 330780-50-00 and a standard 8 mm sensor?Because this transducer matches a thicker 11 mm probe tip, it provides a longer linear measurement range for mechanical structures with larger axial movement profiles.
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