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The 330180-X1-05 MOD: 143416-02 is a custom module for the Bently Nevada 3300 XL series proximity sensors. As the core electrical conversion component of a non-contact eddy current displacement sensor system, it provides high-frequency AC excitation energy to the field probe and converts the impedance change returned from the probe end face into a dynamic voltage output proportional to the mechanical clearance (standard values are 7.87 V/mm or 200 mV/mil).
This preamplifier is widely used in online protection systems for shaft vibration, axial displacement, and speed in critical rotating machinery such as centrifugal compressors and large steam turbines. According to its selection code, 330180 represents the 3300 XL preamplifier hardware platform, compatible with standard 5mm and 8mm 3300 series probes.
Option X1 represents the total length of the sensor loop matched with this preamplifier (typically a 5.0-meter or 9.0-meter system calibration path, the length of which must be strictly matched to the total length of the field cable and probe). Option 05 grants it multi-national explosion-proof certifications (covering intrinsically safe explosion-proof under the ATEX, IECEx, and CSA frameworks), while the suffix MOD 143416-02 indicates that the manufacturer has specifically fine-tuned and customized the electrical characteristics for specific non-standard target materials or specific mechanical mounting dimensions/shielding requirements to ensure linearity and accuracy when measuring special rotor journals.