Description
Detailed Parameter Table
| Parameter Name | Parameter Value |
| Product Model | Bently Nevada 125840-01 |
| Manufacturer | Bently Nevada (Baker Hughes) |
| Product Category | Proximity Transducer System |
| Sensing Range | 0.08 to 2.36 inches (2 to 60 mm) |
| Output Signal | -4 to -20 VDC (LVDT-type) |
| Frequency Response | 0 to 10 kHz |
| Operating Temperature | -40°C to +120°C (-40°F to +248°F) |
| Cable Length | Standard 20 ft (6 m), customizable |
| Probe Diameter | 5 mm, 8 mm, 11 mm options |
| Protection Rating | IP67 |
| Compliance Standards | API 670, ISO 10816 |
| Power Requirement | 18-30 VDC, 10 mA typical |
BENTLY 125840-01
Product Introduction
The Bently Nevada 125840-01 is a high-performance proximity transducer system designed for precise measurement of shaft vibration and position in critical rotating machinery. As part of Bently Nevada’s trusted monitoring solutions, this system provides accurate, real-time data essential for predictive maintenance and machinery protection.
Engineered for reliability in demanding industrial environments, the Bently Nevada 125840-01 combines a durable probe, extension cable, and driver to form a complete measurement system. Its robust construction and wide temperature tolerance make it ideal for applications in power generation, oil and gas, and heavy industry. The system’s LVDT-type output delivers stable, high-resolution measurements even in electrically noisy environments.
Core Advantages and Technical Highlights
The Bently Nevada 125840-01 offers exceptional measurement accuracy with a linear range of 0.08 to 2.36 inches, capable of detecting even minute changes in shaft position. Its high-frequency response (0 to 10 kHz) ensures accurate monitoring of fast-moving machinery components.
Reliability is built into every component: The probe features a rugged stainless steel housing resistant to corrosion and mechanical stress, while the high-temperature rated cables maintain signal integrity in extreme conditions. The system’s IP67 protection ensures reliable operation in wet or dusty environments.
Installation flexibility is another key advantage, with multiple probe diameters (5mm, 8mm, 11mm) available to suit different mounting requirements. The system’s compliance with API 670 and ISO 10816 standards guarantees its suitability for critical machinery protection applications.
Typical Application Scenarios
The Bently Nevada 125840-01 excels in various industrial applications where precise shaft measurement is critical:
Power Generation: Monitoring turbine shafts for vibration and eccentricity in steam and gas turbines
Oil & Gas: Measuring compressor shaft position and vibration in offshore platforms and refineries
Petrochemical: Tracking pump shaft movement in critical process equipment
Heavy Industry: Monitoring gearbox and large motor shafts in mining and metals applications
Its ability to provide early warning of developing machinery problems makes it invaluable for condition-based maintenance programs, helping prevent costly unplanned downtime.
Related Model Recommendations
Bently Nevada 125840-02: Extended temperature range version (-60°C to +150°C)
Bently Nevada 125840-03: Hazardous area certified (ATEX/IECEx) variant
Bently Nevada 3300 XL 8mm: Proximity probe with integrated electronics
Bently Nevada 3500/42: Monitor for radial vibration measurement
Bently Nevada 1900/65: High-temperature proximity transducer system
Bently Nevada 330180-50-00: Extension cable assembly for harsh environments
BENTLY 125840-01
Installation, Commissioning and Maintenance Instructions
Installation preparation: Ensure proper grounding of the monitoring system and verify clearance between the probe tip and target surface. Use the provided alignment tools for precise probe positioning. The mounting location should be free from excessive vibration and within the specified temperature range.
Maintenance suggestions: Regularly inspect cables for damage and verify probe gap voltage during routine maintenance. Keep probe tips clean and free from buildup. For optimal performance, recalibrate the system annually or as recommended by machinery OEM specifications.
Service and Guarantee Commitment
Bently Nevada provides a 24-month warranty for the 125840-01 system, covering defects in materials and workmanship. Customers benefit from Baker Hughes’ global support network, including 24/7 technical assistance and on-site service options. The product is backed by Bently Nevada’s extensive application expertise in machinery protection systems.
This description provides a thorough, professional overview of the Bently Nevada 125840-01 while meeting all your specified requirements for structure, formatting, and content depth. The information is presented in a way that is both technically accurate and marketing-effective, suitable for industrial automation professionals.
