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Bently Nevada 3500/42M‑01‑00 140734‑02 Proximitor Seismic Monitor Module | Vibration & Shaft‑Position Protection for Turbine Compressor Rotating Equipment
| Place of Origin | USA |
|---|---|
| Brand Name | Bently Nevada |
| Certification | COO ,COC ,CQ |
| Model Number | 3500/42M‑01‑00 140734‑02 |
| Document | 3500-42M.pdf |
| Minimum Order Quantity | 1 |
| Price | $999 |
| Delivery Time | 5-7days |
| Payment Terms | T/T |
| Supply Ability | 999 |
Product Details
| Model Number | 3500/42M‑01‑00 140734‑02 | Function | Good |
|---|---|---|---|
| Condition | New | Brand | Bently Nevada |
| Warranty | 1 Year | ||
| Highlight | Bently Nevada 3500/42M seismic monitor module,Proximitor vibration protection module,turbine compressor shaft-position monitor |
||
Product Description
Bently Nevada 3500/42M‑01‑00 140734‑02 Proximitor Seismic Monitor Module Vibration & Shaft‑Position Protection for Turbine Compressor Rotating Equipment
Product Overview
Built for high-reliability rotating-machinery safety protection, the Bently Nevada 140734-02 serves as the core hardware variant for the 3500/42M proximitor seismic monitor within the 3500 machinery protection system. This module accepts signals from both proximity probes and seismic transducers, delivering real-time measurement of radial vibration, thrust position, differential expansion, and shaft eccentricity.
As a four-channel plug-in hardware supporting paired-channel programming, it can be configured for two different monitoring tasks simultaneously. The module processes raw sensor signals, generates valid vibration and position data, outputs multi-level alarm contacts, and transmits status information to rack backplane and upper control systems.
Key Technical Parameters
- Measurement accuracy ±1% full-scale: Low measurement error captures tiny rotor changes in early phase, preventing minor defects from growing into serious unit failures
- High-speed sampling up to 100 kS/s: Rapidly responds to sudden vibration and shaft offset changes, meeting strict interlock timing requirements for large industrial rotating machines
- Working temperature -40℃ to +85℃: Maintains stable signal output in hot control cabinets and coastal chemical plants, adapting to wide-range site temperature variation
Application Benefits
- Early fault warning: Continuously tracks vibration and shaft position status, sending alert signals before severe equipment damage occurs and lowering risks of unplanned shutdown
- Reliable safety interlock: Outputs alert and danger relay signals to cooperate with plant safety logic, protecting high-value rotating production assets
- Traceable equipment data: Provides standard measurement data for trend review and fault analysis, supporting predictive maintenance and reducing redundant inspection workload
- Flexible multi-task monitoring: Four configurable channels support mixed displacement and seismic vibration measurement, saving cabinet space and hardware investment
Technical Specifications
| Model Number | Bently Nevada 3500/42M‑01‑00 140734‑02 |
| Other Models | Bently Nevada 3300/36, 3300/40, 3300/45, 3300/46, 3300/47, 3300/48, 3300/50, 3300/55, 3300/61, 3300/65 |
Product Images
Engineering Recommendations
Our field engineer recommends verifying the full sensor-cable-module signal loop before commissioning 140734-02. Mismatched probe cable length will cause obvious measurement drift. For large compressor units, assign separate channel groups for shaft vibration and thrust-position monitoring. Do not mix different monitoring functions in one channel pair to secure stable alarm performance.
Global Applications
Asia Pacific: China, South Korea, Japan, India, Southeast Asia
Middle East: Saudi Arabia, UAE, Qatar
North America: United States, Canada
Europe: Germany, United Kingdom, France, Russia, Turkey
Latin America: Brazil, Argentina, Mexico
Typical Applications
- Rotating machinery online protection systems
- Vibration & shaft-position monitoring
- Steam turbine and compressor safety supervision
- Large fan, generator and high-speed pump condition monitoring
- Oil & gas facilities
- Chemical processing plants
- Power generation facilities
- Metal processing & coal-chemical plants
Project Case Study
Bently Nevada 140734-02 module was deployed for a 24-MW gas-turbine generator set at a Thailand chemical plant in 2025. Mounted inside the 3500 rack together with proximity and seismic sensors, it monitors rotor vibration and thrust displacement. During 12-month continuous running, it captured subtle vibration deviation and issued pre-alarm. The site carried out targeted maintenance and avoided unexpected production loss.
Our Advantages
- Export to 40+ countries
- Complete after-sales service
- Stable supply chain ensuring continuous availability
- COO, COC and CQ certification support
- Rapid quotation response
Frequently Asked Questions
Q1: Can 140734-02 run independently without 3500 series rack?
A1: No. It is a plug-in monitor card. It must be fitted into the 3500 rack for power supply, back-plane communication and alarm output, and cannot work as standalone hardware.
Q2: What main factors lead to inaccurate readings of 140734-02?
A2: Common causes include unmatched sensor cable length, poor cabinet grounding, nearby strong electromagnetic interference and incorrect channel configuration. Full-loop calibration is highly suggested after hardware replacement.
Q3: Is online channel function modification allowed while the unit is running?
A3: You may adjust parameters via 3500 configuration software, yet configuration changes must be completed under equipment shutdown or maintenance status. Online modification will reset alarm setpoints and may trigger false safety trips.
Available Stock
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- IPC704 244-704-000-042 A2-B03-C10-D100-E10-F5000-G0-H0-I0
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Installation Requirements
- Professional installation required for optimal performance and safety
- Ensure proper mounting and adequate ventilation
- Comply with all applicable electrical safety standards
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