Product Details
The Bently Nevada 3500/42-09-02 Proximitor Seismic Monitor is a four-channel machinery protection module designed to accept inputs from proximity, velocity, or acceleration transducers. This configuration combines the main monitor board with a -09 I/O module featuring internal terminations, alongside a -02 ATEX, IECEx, and CSA Class 1, Zone 2 hazardous area approval option. It conditions raw sensor signals into critical vibration and position metrics, continuously evaluating parameters against user-programmable alarm setpoints to safeguard rotating assets.
Channel Processing and Signal Conditioning
The module supports up to four independent input channels configured in pairs, allowing operators to deploy distinct measurement strategies such as radial vibration, thrust position, or velocity tracking. Incoming waveforms pass through precision high-pass, low-pass, and vector filter blocks to isolate genuine mechanical vibration from background electrical noise or runout.
Each channel provides dedicated front-panel coaxial connectors that supply short-circuit-protected buffered transducer outputs for portable diagnostic tools.
Alarm Management and System Integration
Real-time measurement data is evaluated continuously against programmable Alert and Danger thresholds to drive protection relays and warn operators of abnormal conditions. In addition to discrete alarm contacts, the unit outputs proportional +4 to +20 mA current values for each channel to interface directly with external control or data recording systems.
The paired I/O module handles field wiring termination internally, streamlining installation within industrial instrument enclosures and maintaining robust signal integrity.
Technical Parameters
| Parameter | Specification |
|---|---|
| Model | 3500/42-09-02 |
| Brand | Bently Nevada |
| Series | 3500/42M Proximitor Seismic Monitor |
| Number of Channels | 4 channels |
| Supported Inputs | Proximity, velocity, accelerometer, or HTVS transducers |
| I/O Module Type | -09 Prox/Velom I/O Module with internal terminations |
| Agency Approval Option | -02 ATEX, IECEx, CSA Class 1, Zone 2 |
| Transducer Power Supply | -24 Vdc |
| Recorder Output | +4 to +20 mA proportional to full scale |
| Current Output Load Resistance | 0 to 600 $\Omega$ (0 to +12 Vdc range across load) |
| Typical Power Consumption | 7.7 W |
| Dimensions | 241.3 mm x 24.4 mm x 241.8 mm (9.50 in x 0.96 in x 9.52 in) |
| Weight | 0.91 kg (2.0 lb) |
Frequently Asked Questions
Q: What hazardous area certifications are included with the 3500/42-09-02 configuration?
A: This model features the -02 option, providing ATEX, IECEx, and CSA Class 1, Zone 2 hazardous area certifications.
Q: How are field wiring connections handled for this module variant?
A: The -09 I/O module utilizes internal terminations, allowing field signal wires to terminate directly on the rear module connectors without requiring separate external termination blocks.
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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