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Product Introduction
The Bently Nevada 18745-03-05 7200 XL Proximity Sensor is a precision-engineered, non-contact sensor designed for high-performance vibration and position monitoring in rotating machinery. It is part of the 7200 XL series and supports both 5 mm and 8 mm probe diameters, providing flexibility for diverse industrial applications.
This sensor is widely used in turbines, compressors, generators, and pumps, where accurate and reliable measurements of shaft displacement and vibration are critical for predictive maintenance and machine protection. The 18745-03-05 offers robust construction to withstand harsh operating environments, including high temperatures, mechanical vibration, and electrical noise.
The 7200 XL sensor ensures high-resolution signal output, enabling real-time monitoring and early fault detection. It is compatible with Bently Nevada monitoring systems, including 3500/3300 series monitors, making it suitable for both new installations and retrofits in industrial plants.
Product Specifications
| Parameter | Specification |
|---|---|
| Model | Bently Nevada 18745-03-05 7200 XL Proximity Sensor |
| Sensor Type | Eddy Current Proximity Sensor |
| Probe Diameter | 5 mm and 8 mm |
| Measurement Range | ±0.25 mm standard, up to ±1.0 mm optional |
| Operating Temperature Range | -40°C to 121°C |
| Storage Temperature Range | -55°C to 125°C |
| Output Type | Differential AC signal |
| Frequency Response | 0–10 kHz typical |
| Mounting Type | Threaded mounting (M6 or M8 based on probe diameter) |
| Cable Length | Customizable, typically 10 feet |
| Electrical Connections | Shielded cable with connector options |
| Sensor Material | Stainless steel housing |
| Weight | 0.23 kg |
| Dimensions (H × W × D) | 102 × 114 × 132 mm |
| Certifications | CE, UL, IEC standards |
| Environmental Resistance | Vibration, shock, oil, moisture, and chemical resistant |
| Application Compatibility | 3500/3300 series Bently Nevada monitors and control systems |
Product Applications
The 18745-03-05 7200 XL Proximity Sensor is suitable for various industrial monitoring applications:
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Real-time shaft displacement monitoring in turbines, compressors, and generators
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Vibration monitoring and predictive maintenance in rotating machinery
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Integration with Bently Nevada 3500 and 3300 series monitoring systems
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Early detection of rotor imbalance, misalignment, and mechanical looseness
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Continuous machine condition monitoring in power plants, oil & gas, and petrochemical facilities
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Retrofit applications for legacy systems requiring high-resolution sensor replacement
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Remote monitoring in control rooms for centralized machine protection
Product Advantages
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High Precision: Provides accurate non-contact measurement of shaft displacement and vibration.
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Flexible Probe Options: Available in 5 mm and 8 mm diameters for versatile installation.
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Robust Construction: Stainless steel housing ensures durability under harsh industrial conditions.
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Wide Temperature Range: Operates reliably in extreme heat and cold environments.
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Electrical Noise Immunity: Shielded cabling and eddy current design minimize interference.
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Easy Installation: Threaded mounting allows secure and repeatable positioning.
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Compatibility: Works seamlessly with Bently Nevada 3500/3300 series monitoring systems for integrated condition monitoring.
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High-Frequency Response: Capable of detecting high-speed shaft vibrations for early fault detection.
Frequently Asked Questions (FAQ)
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What probe diameters are available for the 18745-03-05 sensor?
Both 5 mm and 8 mm probe diameters are available to suit different machinery and mounting configurations. -
What is the typical measurement range?
Standard ±0.25 mm, with optional ranges up to ±1.0 mm. -
Is the sensor compatible with all Bently Nevada monitors?
It is compatible with the 3500 and 3300 series monitoring systems. -
How is the sensor mounted on machinery?
Threaded mounting is used, typically M6 for 5 mm probes and M8 for 8 mm probes. -
What type of output does the sensor provide?
The sensor provides a differential AC output proportional to shaft displacement. -
Can the sensor operate in high-vibration environments?
Yes, the robust design ensures reliable operation even in high-vibration industrial settings. -
What temperature ranges are supported?
Operating: -40°C to 121°C; Storage: -55°C to 125°C. -
Does the sensor have EMI/RFI protection?
Yes, it features shielded cabling and design to minimize electrical interference. -
Can this sensor be used for retrofitting existing systems?
Yes, it is ideal for upgrading or replacing legacy sensors in existing installations. -
Is the sensor resistant to oil and moisture?
Yes, the stainless steel housing and sealed construction make it resistant to oil, moisture, and chemicals.
Related Models / Variants (Same Series or Functionally Similar)
| Model | Description |
|---|---|
| 18745-03-01 | 7200 XL Proximity Sensor, 5 mm only |
| 18745-03-02 | 7200 XL Proximity Sensor, 8 mm only |
| 18745-03-03 | 7200 XL Sensor with extended cable options |
| 18745-03-04 | 7200 XL Sensor with high-temperature rating |
| 18745-03-06 | 7200 XL Sensor with reinforced housing |
| 18745-03-07 | 7200 XL Sensor for high-frequency monitoring |
Popular Models from Bently Nevada
| Model | Description |
|---|---|
| 330130-040-00 | Proximity Probe with integrated sensor electronics |
| 330350-02 | Vibration Sensor with accelerometer |
| 330345-01 | High-temperature proximity probe |
| 330108-00 | Seismic vibration sensor |
| 330120-01 | Eddy current proximity probe |
| 330130-100-00 | Compact proximity sensor for turbine monitoring |
