Description
The Bently Nevada 330905-12-22-05-02-05 3300 NSv Proximity Probe is a proximity-type eddy current sensor probe produced by the American company Bently Nevada. It belongs to the high-precision equipment in the field of industrial vibration monitoring and is mainly used for vibration monitoring and fault diagnosis of rotating machinery (such as compressors, fans, generators, etc.). Here is a summary of the core information of this product:

Product Features
Technical Principle
Based on the eddy current effect, by measuring the gap change between the probe and the metal target (such as the rotor), it can monitor parameters such as vibration displacement and axial displacement in real time.
Key Parameters
Model: 330905-12-22-05-02-05
Series: 3300 NSv (Enhanced Chemical Tolerance, suitable for harsh conditions)
Thread Specification: Metric M10×1 installation thread, facilitating installation with equipment.
Sensitivity: 7.87 mV/μm (200 mV/mil ±6.5%), ensuring high-precision measurement.
Explosion-proof Certification: Models with suffix -05 or -CN have passed China’s explosion-proof safety certification and are suitable for flammable and explosive environments such as chemical and petrochemical industries.
Environmental Adaptability
Operating Temperature: 0°C to +45°C (32°F to 113°F).
Chemical Tolerance: Compared to the previous 3300 RAM series, the NSv probe has stronger resistance to chemical corrosion and is suitable for harsh environments such as process compressors.

System Composition and Compatibility
Sensor System Composition
Probe: 330905-12-22-05-02-05-05 (measuring gap variation).
Extension Cable: Available in 5-meter or 7-meter selectable lengths, mechanically and electrically compatible with the probe.
Preamplifier: Such as 330980-51-CN, supplies power to the probe and converts the signal into a voltage output.
Monitoring Module: Such as 990 vibration transmitter, converts the voltage signal into a 4-20mA current signal for use by PLC/DCS systems. Compatibility
Fully compatible with the Bently Nevada 3300 XL NSv series, it can replace the older models (such as 3300 RAM).
It supports integration with devices such as 3500/42M monitoring modules and 1900/65A vibration monitors.
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