The Bently Nevada 330180-12-00, also cataloged as the 3300 XL Proximitor Sensor, operates as a dedicated hardware component for converting eddy-current proximity probe signals into proportional voltage outputs within 3300 or 3500 Machinery Protection Systems platforms.
Hardware Specifications
Parameter
Specification
Model
330180-12-00
Brand
Bently Nevada
Product Type
3300 XL Proximitor Sensor
Origin
USA
Material
A308 aluminum
Output Resistance
50 \Omega
Total Length and Mounting Option
1.0 meter (3.3 feet) system length, no mounting hardware
Cable Option
FluidLoc cable with connector protector
Agency Approval Option
Not required
Operating Temperature
-51 degC to +100 degC (-60 degF to +212 degF)
Storage Temperature
-51 degC to +105 degC (-60 degF to +221 degF)
Relative Humidity
Less than 3% change in Average Scale Factor (ASF) under 93% humidity per IEC 68-2-3 for up to 56 days
Dimensions
8.8 x 3.5 x 7 cm
Weight
0.246 kg
Eddy-Current Probe Scaling and Gap Voltage Validation
The 330180-12-00 conditioning electronics process radio frequency signals generated by the interconnected 5 mm or 8 mm eddy-current proximity probe. The internal circuitry establishes precise calibration limits targeting an industry-standard scale factor. During static calibration, the mechanical gap between the probe tip and the target rotor material maps to a linear DC voltage output. Field operators must verify the quiescent gap voltage validation, targeting a nominal -10 VDC center point within the linear range, ensuring optimal dynamic range for capturing high-frequency rotor dynamics and cross-talk suppression in multi-channel configurations.
Frequently Asked Questions
Q: What input components are electrically compatible with the 330180-12-00?
A: The sensor accepts input from one non-contacting 3300-series 5 mm probe, 3300 8 mm probe, or 3300 XL 8 mm proximity probe and associated extension cable configured for a 1.0 meter system length.
Q: How does environmental moisture affect the performance metrics of this hardware?
A: The physical housing and internal circuitry exhibit robust resistance to moisture ingress, demonstrating less than a 3% shift in the Average Scale Factor (ASF) when subjected to 93% relative humidity conditions for 56 consecutive days in compliance with IEC standard 68-2-3.
Field Installation Guidelines
System Length Tuning: Ensure the total combined physical length of the proximity probe and the extension cable precisely matches the 1.0 meter calibration rating of the 330180-12-00 sensor. Discrepancies in total system length will degrade the accuracy of the scale factor calibration.
Isolation and Grounding: Install the Proximitor housing such that it remains electrically isolated from structural machinery ground. Use the integrated isolation pads or dedicated DIN-rail mounting tracks to prevent ground loop noise from corrupting the low-level signal output.
Connector Protection: Secure the FluidLoc coaxial connectors within the provided connector protectors. Avoid applying a bend radius tighter than 25.4 mm (1.0 inch) to the terminal extension coaxial lines to prevent internal conductor degradation.
