Product Details
The Bently Nevada P3403893-0351, also cataloged as the P3403893 Vibration Transmitter, operates as a dedicated hardware component for continuous overall vibration conditioning within Bently Nevada machinery protection loops. It converts dynamic transducer vibration signals into a standardized 2-wire 4-20 mA current output proportional to measured seismic motion.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | P3403893-0351 |
| Brand | Bently Nevada |
| Origin | USA |
| Weight | 1.15 lbs (Approx. 0.52 kg) |
| Dimensions | Standard transmitter housing |
| Operating Temp | Standard industrial operating range |
| Power Consumption | Loop-powered via 12-35 VDC |
| Output Signal | 2-wire 4-20 mA current loop |
| Supply Voltage | 12 to 35 VDC |
| Sensor Type | Industrial vibration transmitter |
Eddy-Current Probe Scaling and Rotor Dynamics Integration
The Bently Nevada P3403893-0351 integrates seismic acceleration or velocity signals into a loop-powered current output that complements eddy-current probe scaling metrics used in proximity monitoring. While proximity probes evaluate gap voltage validation (-10 VDC targets) for relative shaft displacement, this transmitter processes absolute structural vibration parameters. Combining housing vibration telemetry with eddy-current dynamic tracking allows control platforms to evaluate total rotor dynamics while maintaining signal isolation and cross-talk suppression.
Frequently Asked Questions
Q: How is loop power supplied to the P3403893-0351 vibration transmitter?
A: The device utilizes a 2-wire circuit configuration where power (12 to 35 VDC) and the 4-20 mA proportional analog output signal share the same wire pair.
Q: What grounding procedure should be followed for the 2-wire loop cable shield?
A: Connect the cable shield to the instrumentation earth ground at the monitoring panel end only, leaving the shield ungrounded at the transmitter to prevent ground loops.
Q: Can the 4-20 mA current output be connected directly to standard PLC or DCS analog input cards?
A: Yes, the 4-20 mA current loop interfaces directly with standard single-ended or differential analog input channels powered by a 24 VDC external loop supply.
Field Installation Guidelines
- Mount the transmitter casing securely to a rigid structural surface on the bearing housing using proper mounting studs to ensure accurate vibration transmission.
- Route the 2-wire shielded cable through grounded metallic conduit away from high-voltage AC power lines and variable frequency drives.
- Verify that loop supply voltage remains between 12 VDC and 35 VDC at the transmitter terminals under maximum current load (20 mA).
- Terminate shield wiring at a single designated cabinet ground bar to maintain signal integrity and eliminate high-frequency noise.
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.
Tech & Buying Guide
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