Bently Nevada RS901104-03-050-10-01 R200602-400808 Proximitor Sensor with 2mm Detection Range and Non-Contact Eddy Current Technology for 3500 System
Price:
66USD
MOQ:
1
Delivery Time:
2-3 work days
Brand:
Bently Nevada
Product Description
Bently Nevada RS901104-03-050-10-01 R200602-400808 Proximitor Sensor
Product Overview
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Part Number | RS901104-03-050-10-01 R200602-400808 |
| Product Type | Proximity Sensor / Transducer |
| Operating Voltage | 24 V DC |
| Detection Range | 2 mm |
| Output Type | 2-wire |
| Frequency Response | 50 Hz |
Key Features
- Non-Contact Eddy Current Technology: This RS901104 / RS901104-03-050-10-01 (R200602-400808) proximity probe is built on classic eddy current measurement principle. In real field use, it’s non-contact, so there’s no physical touch with the shaft. Basically that also means no wear issue over long-term operation, which is why it’s often selected for continuous vibration or displacement monitoring on rotating machinery.
- Optimized for Bently Nevada 3500 System: This model is usually paired directly with Bently Nevada 3500 system hardware. It fits into standard rack-based architecture, especially with 3500/40M and 3500/42M proximitor monitor modules. Integration is pretty straightforward in most cases, no complicated signal conversion needed, so in power plant or retrofit projects it’s commonly used as a direct replacement spare part.
- Precise 2mm Detection Range: The 2mm detection range is kind of a typical setup for this type of proximity sensor. Not oversized, but enough for shaft vibration, axial displacement, and eccentricity measurement. In steam turbine or gas turbine applications, this range is often considered a balanced choice between sensitivity and stability.
- 2-Wire Loop-Powered Output: It comes with a 2-wire loop-powered configuration, which makes field wiring simpler. Usually technicians prefer this because it reduces installation effort and cost. Signal transmission over longer distances is also stable, and it tends to hold up well in noisy industrial environments.
- Industrial-Grade Machinery Protection: Designed under API 670 compliance, this sensor is widely used in machinery protection systems. You’ll typically see it on steam turbines, gas turbines, centrifugal compressors, and other critical rotating equipment. In petrochemical plants and power generation units, it’s often part of standard predictive maintenance and ESD-related monitoring setups.
- Harsh Environment Resilience: The probe is built with IP67 protection, so it handles dust, humidity, and harsh operating conditions without much issue. In real field situations like power plants or heavy industrial sites, it’s usually selected because it stays stable even when the environment is not ideal, which is basically the whole point of this type of Bently Nevada proximity probe.

Product Applications
- Steam and Gas Turbine Vibration Monitoring: In power plant turbines, this RS901104 / RS901104-03-050-10-01 probe is usually sitting right there on shaft vibration and radial displacement points. It’s not just “monitoring for data” in a clean sense—more like catching early movement before things go out of control. On steam turbine and gas turbine units, people rely on it for that immediate vibration feedback, especially when rotor behavior starts drifting.
- Centrifugal Compressor Asset Protection: On centrifugal compressors in petrochemical plants, the same Bently Nevada eddy current setup is commonly used for shaft eccentricity and thermal growth tracking. Conditions change slowly but constantly in these machines, so operators tend to keep this probe running 24/7 as part of asset protection logic. It’s not fancy, but it’s very much a core signal source.
- Emergency Shutdown Systems (ESD): In ESD configurations, this type of proximity probe often acts as a direct input into API 670 compliant protection loops. When vibration goes beyond safe thresholds, it feeds the system that can trigger auto-shutdown sequences. Usually it’s not something you notice when it works—but it’s critical when something starts going wrong.
- Industrial Rotating Machinery Diagnostics: You’ll also see it across general rotating machinery diagnostics setups—large pumps, industrial fans, cooling tower drives, things like that. Basically anywhere there’s continuous rotation and mechanical stress. It supports predictive maintenance routines, giving operators a clearer picture of machine condition instead of waiting for failures.
- Power Plant Instrumentation Integration: When integrated into power plant instrumentation systems, especially with Bently Nevada 3500 system, it slots into the control framework as a stable non-contact measurement point. Even in higher temperature environments, the signal for distance and alignment feedback tends to stay consistent, which is why it’s widely reused in upgrades and maintenance projects.
- Bently Nevada 3500 System Retrofits: In retrofit work, this probe is often chosen as a direct replacement spare for existing 3500 rack module installations. Whether it’s 3500/40M or 3500/42M proximitor monitor cards, technicians usually prefer keeping compatibility rather than redesigning the whole loop. It’s a practical choice more than anything—keep the system running, replace what’s worn, move on.
Frequently Asked Questions
What is this RS901104-03-050-10-01 R200602-400808 sensor actually used for?
This RS901104 / RS901104-03-050-10-01 (R200602-400808) is basically a Bently Nevada proximity probe for eddy current measurement. In real use it sits on turbines or compressors and keeps an eye on shaft vibration, radial movement, and eccentricity. Nothing complicated in concept, but in machinery protection it’s one of those signals people don’t want to lose.
Which system does the RS901104-03-050-10-01 R200602-400808 normally work with?
Most of the time it’s tied into the Bently Nevada 3500 system. You’ll see it connected with modules like 3500/40M or 3500/42M proximitor monitors. Once it’s in the rack, the signal goes straight into the protection system and condition monitoring software, usually System 1 in plant setups.
What specs matter most for the RS901104-03-050-10-01 R200602-400808?
The key point is the 2mm detection range—it’s tuned for small but precise shaft movement. Power side is standard 24V DC, and it runs on a 2-wire loop-powered setup. Wiring is simple, and it tends to behave well over longer cable runs without much signal noise.
Is the RS901104-03-050-10-01 R200602-400808 really used for safety shutdown systems?
Yes, in many plants it’s part of API 670 compliant protection loops. When vibration goes too high, the signal can feed into ESD logic. It’s not the “shutdown device” itself, but it plays a direct role in triggering those protection actions in turbine and compressor systems.
Can the RS901104-03-050-10-01 R200602-400808 handle harsh plant conditions?
Usually yes. It’s built with IP67 level protection, so oil mist, dust, humidity, and temperature swings are not a big issue. That’s why it’s common in power plants and petrochemical sites where conditions are far from clean lab environments.
What does the of the RS901104-03-050-10-01 R200602-400808 part number mean?
RS901104 is the base model series. The middle section (03-050-10-01) is more about configuration like length and mechanical setup. The last code R200602-400808 is mainly factory tracking or revision info. In practice, most engineers just treat the whole string as one ordering code and don’t overthink the breakdown.
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