产品介绍
The Bently Nevada 21504-000-012-05-02 is a precision-engineered proximity probe designed for use in the 7200 series condition monitoring systems. It supports both 5 mm and 8 mm configurations, making it highly adaptable for diverse machinery monitoring applications. As part / a trusted product family known for reliable non-contact vibration and position measurement, this standard mount probe helps maintain operational safety and performance across critical rotating assets.
Utilized extensively in the oil & gas, power generation, and process industries, this model is well-suited for shaft displacement, radial vibration, and thrust position monitoring. The probe is designed for compatibility with matching extension cables and Proximitor sensors, forming a complete, factory-calibrated measurement system.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product 型号 | 21504-000-012-05-02 |
| Series | Bently Nevada 7200 Series |
| Probe Tip Diameter | 8mm Standard Mount Probe |
| Thread Size | 3/8-24 UNF |
| Total Length | 0.5 meter |
| Mounting Style | Standard cylindrical mount |
| Sensing Technology | Eddy current, non-contact measurement |
| Material Compatibility | Calibrated for ferromagnetic materials (typically AISI 4140 steel) |
| Connector Type | Miniature coaxial connector (MIL-style) |
| Operating Temperature | -35°C to +120°C |
| Frequency Range | 0 to 10 kHz |
| Sensitivity | 200 mV/mil (7.87 mV/μm) |
| Linearity Range | ±0.25 mils across an 80-mil range |
| Ingress Protection | IP65 (when properly installed and sealed) |
| Certifications | CE, RoHS compliant |
| Typical System Compatibility | Bently Nevada 7200 Series Proximitor and matching extension cables |
| 重量 | 0.22 kg |
Product Applications
The 21504-000-012-05-02 is a highly versatile probe model suitable for various industrial machinery, including:
-
Gas and Steam Turbines
Monitoring shaft displacement, axial thrust, and vibration for early fault detection. -
Compressors (Axial, Centrifugal, Reciprocating)
Real-time monitoring / mechanical wear, rotor positioning, and misalignment. -
Industrial Motors & Generators
Shaft vibration and bearing condition monitoring to ensure safe operation. -
Gearboxes and Transmission Systems
Detection / gear misalignment and axial shifting under load. -
Pumps (Centrifugal and Positive Displacement)
Ideal for monitoring cavitation effects and detecting early-stage bearing damage. -
Fans, Blowers, and 其他 High-Speed Equipment
Ensures vibration within tolerances to prevent premature equipment failure.
Product Advantages
-
Flexible Tip Configuration (5 mm and 8 mm)
Compatible with both tight spaces and standard applications, providing deployment flexibility. -
Accurate Eddy Current-Based Measurement
Offers reliable shaft vibration and displacement detection under dynamic load conditions. -
Robust Mechanical Design
Engineered for rugged environments with vibration, oil mist, and temperature fluctuations. -
Seamless System Integration
Matches precisely with Bently Nevada Proximitor sensors and extension cables. -
Low Drift and High Linearity
Maintains signal integrity and accuracy even in long-term industrial operation. -
Field-Proven Durability
Extensively deployed in demanding industries; trusted in mission-critical equipment. -
Fast Response Time
Real-time measurements suitable for high-speed rotating machinery protection systems.
常见问题 (FAQ)
-
Can this probe be used with any proximity monitoring system?
序号 It is designed specifically for use with Bently Nevada 7200 Series systems for accurate calibration. -
What makes it compatible with 8 mm configurations?
The probe design allows the use / tips in diameters, enabling fit in varied installation conditions. -
What type / materials can it measure accurately?
It is factory-calibrated for ferromagnetic materials such as AISI 4140 steel. -
Is this probe suitable for high-vibration applications?
Yes. It can tolerate peak vibrations up to 20 g, making it ideal for turbines and compressors. -
Can the probe cable length be modified after purchase?
序号 Modifying cable length alters system calibration and is not recommended. -
Is recalibration necessary during equipment servicing?
Recalibration is advised during major overhauls or every 3–5 years. -
What is the expected lifespan / the probe?
With proper installation, it can operate effectively for over 5–10 years without degradation. -
How is the probe sealed against contaminants?
It comes with sealed connectors and an IP65-rated body to withstand industrial environments. -
Does it support hazardous area certification?
This model does not come with ATEX/IECEx certification. Check explosion-pro/ variants if needed. -
Is there a temperature limitation for continuous use?
Yes, it should be used within the -35°C to +120°C operating range for optimal accuracy.
Related 型号s – Same Series or Function
| 型号 Number | 描述 | Cable Length | Tip Diameter | Application |
|---|---|---|---|---|
| 21504-000-005-10-02 | Standard 5 mm probe | 10 ft | 5 mm | Compact sensor mounting |
| 21504-000-008-10-02 | Standard 8 mm probe | 10 ft | 8 mm | General purpose machinery monitoring |
| 330101-00-08-10-02 | 3300 XL 8 mm probe | 10 ft | 8 mm | 下一页-gen monitoring compatibility |
| 330103-00-05-10-02 | 3300 XL 5 mm probe | 10 ft | 5 mm | Used in space-constrained areas |
| 330104-00-05-10-02 | 3300 XL Proximitor system probe | 10 ft | 5 mm | High-sensitivity applications |
| 7200-14-10-01 | 7200 Proximitor Sensor | N/A | N/A | Matched with 21504 series probes |
Popular 型号s from Bently Nevada
| 型号 Number | 描述 | 分类 | Function |
|---|---|---|---|
| 3500/22M | Transient Data Interface Module | Rack Module | Communication interface for monitoring |
| 3500/42M | Proximitor Monitor | Rack Module | Interfaces proximity sensors |
| 330500 | High-Temperature Accelerometer | Vibration Sensor | For hot, heavy-duty machinery |
| 330180-91-00 | Velomitor Velocity Sensor | Casing Sensor | Measures velocity / machine casing |
| 3500/05 | 19″ Rack for 3500 Series Modules | Monitoring Hardware | Structural housing for system modules |
| 990-05-70-01-00 | Thrust Position Measurement Kit | Position Monitoring Kit | Axial displacement measurement |
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