Bently Nevada 3500/40 125672-01 Proximitor Monitor Module
Price:
66USD
MOQ:
1
Delivery Time:
2-3 work days
Brand:
Bently Nevada
Product Description
Bently Nevada 3500/40 125672-01 Proximitor Monitor Module
- Model: 3500/40 Proximitor Monitor
- Part Number: 125672-01
- Channels: 4 independent channels
- Input Signals: Accepts signals from proximity transducers
- Measurement Types: Radial Vibration, Thrust Position, Eccentricity, Differential Expansion, REBAM®
- Signal Accuracy: Static: ±0.1% of full-scale / Dynamic: ±0.33% of full-scale
- Input Impedance: 10 kΩ
- Power Consumption: 7.0 Watts typical
- Alarming: Programmable Alert and Danger setpoints for each channel
- Operating Temp: -30°C to +65°C (-22°F to +149°F)
- Storage Temp: -40°C to +85°C (-40°F to +185°F)
- Standards: API 670 compliant; CE, CSA, and ATEX/IECEx certified
Key Applications
- Steam and Gas Turbine Monitoring
In power plants, this system is often applied for steam turbine monitoring and gas turbine protection, especially to track axial displacement and radial vibration monitoring in large machines. By keeping an eye on shaft movement and vibration trends in real time, it becomes easier for operators to notice irregular behavior early on. This makes it possible to respond before minor issues turn into serious faults, helping avoid problems related to excessive vibration or thermal expansion. - Centrifugal Compressor Protection
- Generator Vibration Analysis
Monitors shaft behavior and vibration in power generators. The module's high-precision signal conditioning helps operators detect early-stage mechanical issues, reducing unplanned downtime in energy production. - Industrial Pump & Fan Protection
Well suited for applications involving large pumps and cooling fans, this setup is often used for industrial rotating machinery monitoring. It focuses on shaft eccentricity monitor functions along with radial vibration monitoring, helping operators keep track of the condition of rotating parts. With continuous feedback, it supports stable operation across environments such as water treatment, mining, and manufacturing, where equipment reliability is critical. - Advanced Bearing Analysis (REBAM®)
Utilizes the specialized REBAM® monitoring function to assess the condition of rolling element bearings. This allows for predictive maintenance by detecting microscopic defects before they lead to machine failure. - Rotating Machinery ESD Systems
Acts as a core input module for Emergency Shutdown Systems (ESD). By providing real-time alarm triggers (Alert/Danger), it protects industrial rotating machinery from severe damage during abnormal operating conditions.
Product Features
- Comprehensive 4-Channel Monitoring
The 3500/40 module is built with four-channel monitoring capability, so it can handle several signals at once without extra setup. It keeps tracking key machine data in real time, which helps operators stay aware of equipment conditions during operation. It can also be connected directly to Bently Nevada proximity transducers, making installation simpler while giving a clearer picture of overall machine status. - Multi-Functional Measurement Capabilities
A versatile solution designed for a wide array of applications, including radial vibration monitoring, axial (thrust) position measurement, shaft eccentricity, and differential expansion, as well as specialized REBAM® (Rolling Element Bearing Analysis) monitoring. - Industrial Standard Compliance (API 670)
Designed in line with API 670 standard, this solution fits well into typical machinery protection system setups. It’s widely used where industrial standard compliance is required, especially for protecting important equipment in power generation and oil & gas applications. In practice, it helps ensure systems meet established industry expectations without adding unnecessary complexity. - Advanced Fault Detection & Alarming
The system includes fault detection and alarm system functions, with user-programmable alert and danger setpoints available for each channel. This makes it easier to pick up early signs of abnormal conditions. At the same time, it can send reliable signals to an emergency shutdown system ESD, helping reduce the risk of serious equipment damage if a fault develops. - Optimized for Critical Rotating Machinery
Specially designed for steam turbine monitoring, centrifugal compressor protection, and generator vibration analysis. It is a vital component for ensuring the reliability of industrial rotating machinery. - Seamless System Integration
As a core component of the Bently Nevada 3500 series rack, it integrates fully with the 3500/01 configuration software and System 1® diagnostic platforms, simplifying setup and long-term maintenance. - High-Precision Signal Conditioning
With high-precision signal conditioning, the system delivers solid accuracy (Static: ±0.1%; Dynamic: ±0.33%), allowing very small changes in machine behavior to be picked up. In day-to-day use, this means data sent to the control system is more reliable, helping operators notice subtle deviations before they turn into larger issues.![Compatible Parts]()
Compatible Parts & Accessories
| 3500/45 140072-04 | 330703-000-040-10-11-00 |
| 330130-045-01-00 | 330705-02-18-10-02-00 |
| 330130-080-00-05 | 330703-000-070-10-02-00 |
| 990-04-70-02-00 | 330101-10-27-05-02-05 |
| 330104-15-23-10-02-00 | 330878-50-00 |
| 330104-19-25-10-11-05 | 330103-00-12-10-01-00 |
| 330103-00-05-10-02-05 | 330103-00-16-10-01-00 |
| 330103-00-18-05-02-05 | RS901104-03-050-10-01 R200602-400808 |
| 330130-045-02-05 | 330105-02-12-50-02-00 |
| 330101-00-08-05-02-05 | 350500-00-00-00-11-00 |
| 330130-085-00-05 | 330190-080-01-00 |
| 125388-01 | 3500/77M 140734-07 |
| 128275-01/128275-01F 130944-01 | 2201/03-01 |
| 330780-91-00 | 1900/65 |
| 330103-00-14-10-01-00 | 21747-080-00 |
| 330730-080-02-00 | 330730-080-01-00 |
| 330104-05-13-10-02-00 | 330930-060-00-00 |
| 3500/23E | 125388-01H 125388-01 |
| 3500/15E | 125720-02 |
| 136711-01 | 138708-01 |
Frequently Asked Questions
Q1: What kind of monitoring functions does the 3500/40 125672-01 actually cover?
The 3500/40 125672-01, basically a 4 Channel Proximitor Monitoring Module, is used in rotating machinery setups where you need continuous protection rather than occasional checks. In real use, it usually handles things like radial vibration, thrust position, shaft eccentricity, and sometimes differential expansion depending on the system setup. If the application includes rolling bearings, it can also work with REBAM® (Rolling Element Bearing Analysis Module), which is mainly for deeper bearing condition insight.
Q2: Is 3500/40 125672-01 really compliant with API 670?
A: Yes, it’s built around the API 670 Mechanical Protection System Standard, which is kind of the baseline requirement in a lot of oil & gas or power plant projects. Not just a label thing—it’s actually meant to fit into proper machinery protection loops, and in many cases it sits inside systems tied to ESD or shutdown logic. So it’s normally selected for critical machines, not general monitoring.
Q3: How many channels are there, and can each one be set differently?
A: You get 4 independent channels in one module. And yes, each channel can be set separately, which is usually the reason people choose this model. Through the 3500 Rack Configuration Software, you can assign different measurement types per channel. In practice, one module might monitor vibration on one axis, while another channel handles position or eccentricity—depends how the machine is built.
Q4: What about accuracy? Is 3500/40 125672-01 stable enough for protection use?
A: For normal industrial use, it’s considered stable. Static measurements like thrust position are usually around ±0.1%, while vibration signals are roughly in the ±0.33% range. Not laboratory-level precision, but for machinery protection systems, it’s more than enough and proven in long-term operation.
Q5:Can 3500/40 125672-01 survive harsh environments?
Pretty much yes. It’s designed for field conditions, so temperature range is about -30°C to +65°C, and humidity can go up to 95% non-condensing. You’ll see it running in refineries, offshore platforms, power stations—places where conditions are not exactly friendly.
Q6:Can 3500/40 125672-01 connect with other software or diagnostic systems?
A: Usually yes. It works directly with Bently Nevada System 1 software, which is common for condition monitoring. On top of that, buffered outputs are available, so external vibration or analysis systems can pick up the signals too. In real projects, engineers often use it both for protection logic and deeper offline or online diagnostics.
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Company
AMIKON LIMITED
Location
32D units,GuoMao Building No 388 Hubin South Road Siming district Xiamen, Fujian China
Contact Person
Miya