Product Details
The Bently Nevada 47042-308-EL30, also cataloged as the 47042 Proximity Transducer Module, operates as a dedicated hardware component for position sensing and shaft displacement measurement within 3500 Series Monitoring System platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 47042-308-EL30 |
| Brand | Bently Nevada |
| Origin | USA |
| Weight | 240 g |
| Dimensions | Standard 3500 Series module form factor |
| Operating Temp | -35 deg C to +85 deg C (-31 deg F to +185 deg F) |
| Power Consumption | 17.5 VDC to 26 VDC, Max 12 mA |
| Material | A308 Aluminum |
| System Length | 5.0 Meters nominal system configuration |
| Primary Function | Position sensing transducer excitation and conditioning |
Gap Voltage Validation and Transducer Signal Conditioning
The module provides signal conditioning and stable excitation for eddy-current proximity transducers. Proper operation relies on precise gap voltage validation across the driver circuit outputs. Calibration targets an initial DC gap voltage of -10 VDC at the physical center of the sensor linear operating curve when observing static shaft position. Signal output maintains linear voltage response across the configured 5.0 Meters total system length. This setup prevents cross-talk suppression issues and ensures accurate dynamic vibration and shaft position telemetry for machinery monitoring.
Frequently Asked Questions
Q: What are the input supply voltage and current parameters for the module?
A: The module requires an operating voltage range of 17.5 VDC to 26 VDC and draws a maximum operating current of 12 mA.
Q: How does system cable length affect transducer signal conditioning?
A: The module relies on a calibrated 5.0 Meters system length. Modifying the cable length alters circuit capacitance and inductance, which directly shifts the linear scale factor and invalidates gap voltage readings.
Field Installation Guidelines
- Ensure power to the mounting rack or rack position is turned off prior to inserting or removing the module.
- Inspect the A308 Aluminum housing and rear connectors for physical damage or bent pins before installation.
- Align the module with the enclosure guide rails and insert firmly until the rear connector seats completely.
- Secure retaining screws on the front panel using hand tools to maintain proper chassis grounding and vibration stability.
- Connect probe field wiring using shielded twisted-pair conductors. Terminate cable shields at the designated system chassis ground point to minimize external noise coupling.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.































