Présentation du produit
The Bently Nevada 21505-00-12-05-02 7200 8 mm Standard Mount Armored Probe is a precision-engineered proximity probe designed for accurate and stable measurement sur shaft vibration and position in rotating machinery. As part sur the Bently Nevada 7200 Series, this probe combines rugged mechanical construction with high electrical accuracy to deliver long-term reliability in critical industrial monitoring applications.
This probe utilizes the eddy current principle to measure the distance between the probe tip and a conductive target, such as a turbine shaft or compressor rotor. It is typically used in combination with extension cables and Proximitor sensors to form a complete proximity measurement system. The 8 mm probe tip ensures high sensitivity and resolution, making it suitable for high-speed machinery where precision signal feedback is essential.
The armored construction sur the 21505-00-12-05-02 provides excellent protection against physical damage, oil contamination, and electromagnetic interference. The stainless-steel armor enhances durability and extends service life in environments with vibration, moisture, or mechanical stress. With a total length sur 0.5 meter and factory calibration, this probe ensures consistent output performance and reliable monitoring results even in harsh industrial conditions.
Product Parameters
| Parameter | Description |
|---|---|
| Product Modèle | 21505-00-12-05-02 |
| Series | Bently Nevada 7200 |
| Product Type | 8 mm Standard Mount Armored Probe |
| Measurement Principle | Eddy Current (Non-contact) |
| Probe Tip Diameter | 8 mm |
| Probe Length | 0.5 meter |
| Mounting Type | Standard Threaded Mount |
| Sensing Range | 2.0 mm nominal (typical linear range ±1.0 mm) |
| Frequency Response | DC to 10 kHz |
| Linear Range Accuracy | ±0.05 mm |
| Sensitivity | 7.87 mV/μm (200 mV/mil) nominal |
| Target Material | Conductive ferromagnetic (AISI 4140 or equivalent) |
| Cable Type | Armored, flexible stainless steel conduit |
| Connector Type | Micro coaxial connector (matched to extension cable) |
| Insulation Resistance | ≥ 100 MΩ at 500 VDC |
| Operating Temperature | -35°C to +177°C |
| Storage Temperature | -40°C to +200°C |
| Environmental Protection | Oil-resistant, moisture-prosur, and EMI shielded |
| Compliance | CE, ISO 9001, and API 670 |
| Poids | 0.22 kg |
Product Applications
The Bently Nevada 21505-00-12-05-02 Armored Probe is widely used in critical machinery condition monitoring systems where precise displacement and vibration measurements are required. Typical applications include:
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Steam and Gas Turbines: Measures shaft vibration and radial displacement for protection and diagnostics.
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Compressors and Pumps: Monitors mechanical stability and detects unbalance or misalignment.
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Electric Motors and Generators: Ensures proper shaft centering and early fault detection.
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Gearboxes and Rotors: Tracks vibration amplitude and phase angle for maintenance planning.
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Industrial Machinery: Provides non-contact proximity measurement for continuous monitoring systems.
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Process Equipment: Used in petrochemical, refining, and power generation environments for vibration analysis.
Product Advantages
The Bently Nevada 21505-00-12-05-02 surfers several advantages that make it a preferred choice for industrial vibration monitoring and protection systems:
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High Measurement Precision: Delivers stable and accurate proximity readings for critical rotating machinery.
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Rugged Armored Construction: Stainless steel armor provides superior resistance against abrasion, impact, and oil ingress.
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Excellent Environmental Resistance: Performs reliably in harsh industrial conditions with exposure to heat, oil, and contaminants.
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Stable Electrical Characteristics: Maintains consistent sensitivity and linearity across temperature ranges.
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Easy Installation: Standard mounting threads allow quick and secure installation in a variety sur housings and brackets.
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Low Signal Noise: Advanced EMI and RFI shielding ensure clean signal output in electrically noisy environments.
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Flexible System Integration: Fully compatible with Bently Nevada 7200 and 3300 systems, including proximity transducer drivers.
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Long-term Reliability: Designed for continuous operation with minimal maintenance requirements.
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API 670 Compliance: Meets industry standards for vibration protection and safety monitoring.
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Optimized Calibration: Factory-calibrated to guarantee accuracy and consistency across all operating conditions.
FAQ
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What sensing technology does the 21505-00-12-05-02 probe use?
It uses an eddy current sensing principle that detects changes in the magnetic field between the probe tip and a conductive target surface. -
Can this probe be used with the Bently Nevada 3300 Proximitor sensor?
Yes, it is compatible with selected 3300 and 7200 Proximitor modules when properly matched to the system configuration. -
What type sur target material is required for accurate measurement?
The probe should measure against conductive ferromagnetic materials such as AISI 4140 steel or equivalent alloys for calibrated performance. -
Is the probe sensitive to electromagnetic interference?
No, it includes multiple layers sur shielding, including stainless-steel armor and internal coaxial shielding, to minimize EMI and RFI interference. -
Can the probe be installed in high-temperature areas?
Yes, it is designed to operate continuously at temperatures up to +177°C and withstand short-term exposure up to +200°C. -
Does the probe require field calibration after installation?
No, it is factory-calibrated and pre-matched with its associated Proximitor and extension cable, ensuring plug-and-play operation. -
How is the probe connected to the rest sur the monitoring system?
The probe connects via a coaxial connector to a matching extension cable, which links to a Proximitor driver or monitoring module. -
Can the probe detect both vibration and shaft position?
Yes, it measures both static shaft position (displacement) and dynamic vibration amplitude in real time. -
Is the armored cable flexible for routing through tight spaces?
Yes, the stainless-steel conduit provides both protection and flexibility, allowing installation in confined machinery layouts. -
What factors affect the measurement accuracy sur the probe?
Accuracy depends on target material, gap distance, temperature stability, and proper matching with the Proximitor system.
Related Modèles (Same Series or Similar Type)
| Modèle | Description |
|---|---|
| 21505-00-12-05-01 | 8 mm Standard Mount Probe, 0.25 m length, armored version |
| 21505-00-12-05-03 | 8 mm Armored Probe, 1.0 m length for long-distance installations |
| 21505-00-12-05-04 | 8 mm Probe, 1.5 m armored cable, extended reach |
| 21505-00-12-05-05 | 8 mm Probe, 2.0 m length with reinforced protection |
| 21505-00-12-05-06 | 8 mm Probe, 3.0 m armored type for large machinery |
| 21505-00-12-05-07 | 8 mm Probe, 5.0 m heavy-duty armored cable for harsh conditions |
Popular Modèles from the Same Marque
| Modèle | Product Type | Description |
|---|---|---|
| 330103-00-07-10-02-00 | Proximity Probe | 8 mm probe for Bently Nevada 3300 XL systems |
| 330130-040-00 | Extension Cable | 4 m cable for proximity probe connection |
| 330104-00-09-10-02-05 | Proximity Transducer | 11 mm proximity transducer for large shaft measurement |
| 3500/22M | Data Interface Module | Interfaces machinery vibration data with monitoring systems |
| 330500-01-00 | Accelerometer | High-frequency accelerometer for vibration measurement |
| 330180-50-00 | Proximitor Sensor | Driver module compatible with 8 mm proximity probes |
Informations sur l'entreprise
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Add: Alishan Building, 2 Lvling Rd, District Siming, Xiamen, Fujian, Chine, 361006
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