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BENTLY 84152-01 3300 XL Proximity Probe
Product Overview
The BENTLY 84152-01 is a high-precision 3300 XL Proximity Probe designed for continuous monitoring of shaft displacement and vibration in critical rotating machinery. As a core component of Bently Nevada’s 3300 Series Machinery Protection System, this probe converts mechanical movements into electrical signals, enabling real-time analysis of shaft position, vibration amplitude, and dynamic behavior in turbines, compressors, and generators. The 84152-01 integrates seamlessly with 3300 Series monitors (e.g., 3300/42M) and 3500 Series rack systems, delivering reliable measurements to support predictive maintenance across industries such as oil & gas, power generation, and manufacturing.
Featuring a rugged stainless-steel construction, the BENTLY 84152-01 includes an 8 mm diameter probe tip with a measurement range of 0–250 mils (0–6.35 mm) and ±0.5% linearity, ensuring precise detection of shaft movements. Its hermetically sealed enclosure (IP65-rated) and corrosion-resistant materials protect against dust, moisture, and chemical exposure, while the probe’s wide temperature range (-40°C to +177°C) makes it suitable for high-temperature applications like turbine casings. The 84152-01 supports standard 2-wire installations, simplifying integration with existing monitoring networks and reducing installation complexity.
In automation ecosystems, the 84152-01 serves as the front-end sensor for machinery protection systems, feeding real-time displacement data to monitoring modules for trend analysis, alarm activation, and shutdown triggering. Its compatibility with industry standards (e.g., API 670) ensures compliance with safety regulations, while the low-output impedance and built-in signal conditioning minimize electromagnetic interference. By providing actionable insights into shaft health, this probe helps reduce unplanned downtime, optimize maintenance schedules, and extend equipment lifespan in mission-critical operations.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 84152-01 |
| Manufacturer | Bently Nevada |
| Product Type | Proximity Probe |
| Series | 3300 XL |
| Probe Tip Diameter | 8 mm |
| Measurement Range | 0–250 mils (0–6.35 mm) |
| Linearity | ±0.5% of full scale |
| Output Signal | Proportional to displacement (requires separate preamplifier) |
| Excitation | Supplied by 3300 Series preamplifier (24 V DC) |
| Physical Dimensions | 8 mm (diameter) × 50 mm (length) |
| Weight | 0.15 kg |
| Operating Temperature | -40°C to +177°C |
| Mounting | Threaded (1/2-20 UNF or M14×1.5) |
| Environmental Rating | IP65, NEMA 4X |
Key Features and Advantages
High-Accuracy Displacement Measurement: The 84152-01 provides precise shaft displacement readings with ±0.5% linearity, enabling early detection of misalignment, bearing wear, or shaft rubs. Its wide measurement range accommodates both small and large machinery movements, supporting comprehensive health analysis.
Rugged Industrial Design: The probe’s stainless-steel housing and IP65 rating protect against harsh environmental factors, including water jets, dust, and corrosive gases. The high-temperature tolerance (up to +177°C) allows direct mounting on hot surfaces without additional cooling.
Seamless System Integration: Compatible with BENTLY’s 3300 and 3500 Series monitoring systems, the 84152-01 simplifies integration with existing infrastructure. The standard threaded mount and industry-compatible output ensure easy installation in diverse machinery setups.
Low Noise and High Reliability: The probe’s non-contact sensing principle eliminates wear and tear, while shielded cabling minimizes electromagnetic interference, ensuring clean displacement signals. This reliability reduces maintenance needs and enhances long-term performance.
Wide Application Flexibility: Suitable for both radial vibration and axial displacement monitoring, the 84152-01 supports diverse machinery types, from small motors to large turbines. Its modular design allows flexible installation in tight spaces or remote locations.
Application Areas
The BENTLY 84152-01 is essential for machinery health monitoring in industries where equipment reliability is critical:
- Oil & Gas: Monitors shaft displacement in compressors, pumps, and turbines at refineries, pipelines, and offshore platforms to detect misalignment or bearing degradation, preventing costly shutdowns.
- Power Generation: Installed on steam turbines, generators, and auxiliary equipment in thermal, hydro, and nuclear plants to ensure safe operation and grid stability.
- Manufacturing: Used in high-speed rotating machinery (e.g., motors, fans, conveyors) in automotive, chemical, and food processing facilities to maintain production continuity and product quality.
- Aerospace & Defense: Deployed on test stands and propulsion systems to analyze shaft dynamics, ensuring compliance with rigorous performance standards.
Specific applications include:
- Radial Vibration Analysis: Measures shaft vibration amplitude to identify imbalance or misalignment issues before they escalate into catastrophic failures.
- Axial Displacement Monitoring: Tracks thrust bearing wear in turbines and compressors, triggering alarms when clearances exceed safe limits.
- Shaft Position Sensing: Monitors rotor position in critical processes, such as steam turbine lube oil system operation, to prevent metal-to-metal contact.
Related Products
- BENTLY 330700 Proximity Probe System: A 5 mm tip variant for smaller machinery, offering similar functionality with a reduced measurement range.
- BENTLY 330500 Proximity Probe System: A 11 mm tip model for large shafts, compatible with the 84152-01 in multi-probe monitoring setups.
- BENTLY 330903 Extension Cable: Extends the 84152-01 system for remote mounting, available in various lengths (e.g., 3 m, 5 m).
- BENTLY 330103 Probe Housing: Mounting accessory for the 84152-01, ensuring secure installation on machinery casings.
- BENTLY 3300/42M Vibration Monitor: Processes signals from the 84152-01 to provide real-time vibration analysis and alarm outputs.
- BENTLY 3500/42M Proximitor Monitor: Integrates with the 84152-01 in 3500 Series racks for advanced machinery protection.
Installation and Maintenance
Pre-installation Preparations:
Before installing the BENTLY 84152-01, verify the mounting surface is flat and free of debris. Use a torque wrench to secure the probe housing (recommended torque: 11–14 N·m) and route the extension cable away from high-voltage lines to minimize interference. Connect the probe to a compatible 3300 Series preamplifier, ensuring proper grounding to reduce noise. Calibrate the system with a known displacement source (e.g., calibration fixture) to validate measurement accuracy before commissioning.
Before installing the BENTLY 84152-01, verify the mounting surface is flat and free of debris. Use a torque wrench to secure the probe housing (recommended torque: 11–14 N·m) and route the extension cable away from high-voltage lines to minimize interference. Connect the probe to a compatible 3300 Series preamplifier, ensuring proper grounding to reduce noise. Calibrate the system with a known displacement source (e.g., calibration fixture) to validate measurement accuracy before commissioning.
Maintenance Suggestions:
- Routine Inspections: Quarterly visual checks for loose connections, cable wear, or corrosion on the probe tip and housing. Use a handheld vibrometer to compare 84152-01 readings with reference sensors for calibration verification.
- Cleaning: Remove dust and debris from the probe tip using a dry cloth or compressed air, especially in dusty environments. Avoid using solvents that may damage the probe’s protective coating.
- Periodic Calibration: Annually calibrate the 84152-01 using a precision displacement shaker to maintain measurement accuracy. Document calibration results for compliance and traceability.
- Spare Parts Management: Store spare 84152-01 probes in a temperature-controlled environment (10–30°C) with low humidity to preserve performance. Test spares periodically to ensure functionality.
Product Guarantee
Our company provides a 12-month quality warranty for the BENTLY 84152-01, covering hardware defects under normal use. In the event of signal instability or measurement drift, we offer prompt replacement services to minimize downtime. For legacy or urgent requirements, our global supply chain ensures rapid delivery of the 84152-01 and related spares. Our technical support team assists with installation, calibration, and troubleshooting, ensuring reliable shaft monitoring for your industrial systems.
For inquiries, contact us via WhatsApp at +86 18859254943 or email at sales@ygplc.com.
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