Product Details
The Bently Nevada 3500/42-02-R0 Proximitor Seismic Monitor is a four-channel machinery protection module engineered to receive inputs from proximity and seismic transducers. This specific configuration includes the core monitor module matched with an I/O module featuring internal safety barriers and internal terminations (Part Number 135489-01), supporting four channels of proximity or acceleration inputs. It conditions raw sensor signals into vital vibration and position metrics, continuously comparing values against user-configured alarm setpoints to safeguard rotating machinery.
Channel Processing and Signal Filtering
The module processes up to four input channels configured in pairs, allowing operators to implement dedicated monitoring strategies such as radial vibration or acceleration measurements. Incoming signals pass through high-precision filter blocks—including configurable high-pass, low-pass, and vector filters—to isolate mechanical vibration from electrical noise or runout.
Each channel provides short-circuit-protected buffered transducer outputs directly on the front panel via coaxial connectors for diagnostic analysis.
Alarm Management and Intrinsic Safety Integration
Real-time data is continuously evaluated against programmable Alert and Danger thresholds to activate system relays and protect critical assets. In addition to discrete protection relays, the monitor supplies proportional +4 to +20 mA current values for each channel to interface with external control systems.
The integrated I/O module incorporates internal safety barriers and internal terminations, making it suitable for hazardous area installations where signal isolation and space efficiency inside instrument cabinets are required.
Technical Parameters
| Parameter | Specification |
|---|---|
| Model | 3500/42-02-R0 |
| Brand | Bently Nevada |
| Series | 3500/42M Proximitor Seismic Monitor |
| Number of Channels | 4 channels |
| Supported Inputs | 4 x Proximity / Acceleration transducers |
| I/O Module Type | Part No. 135489-01 (Internal Barriers, Internal Terminations) |
| Agency Approval Option | -00 (None specified / standard commercial) |
| Transducer Power Supply | -24 Vdc |
| Recorder Output | +4 to +20 mA proportional to full scale |
| Weight | 0.91 kg |
| Shipping Weight | 2 kg |
| Country of Origin | USA |
Frequently Asked Questions
Q: What type of I/O module is bundled with the 3500/42-02-R0 configuration?
A: It utilizes an I/O module featuring built-in internal safety barriers and internal terminations (Part Number 135489-01) designed for four proximity or acceleration channels.
Q: Can the monitor outputs handle external short circuits on the recorder loops?
A: Yes, monitor operation remains unaffected by short circuits on the individual +4 to +20 mA recorder outputs due to embedded circuit protection.
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.
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