Product Details
The 3300/40-12-01-01-00-00 eccentricity monitor module is a rack-mounted unit designed for Bently Nevada 3300 series monitoring systems. This module provides precise measurement of shaft eccentricity during slow-roll conditions, helping maintenance personnel identify rotor bow and mechanical misalignment in large turbines and compressors.
Monitoring and Signal Processing
The module accepts proximity probe signals via Proximitor sensors to continuously track shaft displacement. It features a user-programmable signal sensitivity of 200 mV/mil or 100 mV/mil, paired with onboard LED indicators that report real-time status for OK, Bypass, Alert, and Danger states.
Alarm Integration and Outputs
Integrated relay outputs support automated Alert and Danger alarm triggering for machinery protection schemes. The unit also delivers proportional output signals including +4 to +20 mA, +1 to +5 VDC, and 0 to -10 VDC for direct integration with external control and data recording systems.
Installation Guidelines
Ensure the 3300 rack is powered down before inserting or removing the module to prevent electrical damage, and verify that the unit is fully seated in its slot for reliable backplane communication. Use shielded cabling for all proximity probe inputs to minimize electromagnetic interference, maintain adequate ventilation within the enclosure to keep the ambient temperature between 0 and 60 degC, and handle the hardware using standard ESD precautions. Verification: Confirm that all slot backplane connections are secure and that the front-panel OK LED illuminates steadily upon system startup.
| Parameter | Specification |
|---|---|
| Model | 3300/40-12-01-01-00-00 |
| Brand | Bently Nevada |
| Series | 3300 |
| Product Type | Eccentricity Monitor Modules |
| Operating Temperature | 0 to 60 degC |
| Power Consumption | Approximately 1.5 W |
| Signal Sensitivity | 200 mV/mil or 100 mV/mil (user-programmable) |
| Output Signals | +4 to +20 mA, +1 to +5 VDC, 0 to -10 VDC |
| Accuracy | +/- 0.33% typical, +/- 1% maximum at 25 degC |
Frequently Asked Questions
Q: What is the primary function of the 3300/40-12-01-01-00-00 module?
A: It is designed to monitor shaft eccentricity and bow, primarily during slow-roll startup and shutdown conditions in large rotating machinery.
Q: Does this specific module configuration include alarm relays?
A: Yes, it includes standard integrated relay outputs for both Alert and Danger alarm conditions.
Q: What is the input source for this eccentricity monitor?
A: It accepts inputs from standard proximity probes connected through Proximitor sensors.
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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