The Bently Nevada 3500/40 Proximitor Monitor (140734-01 main module + 135489-04 I/O module with internal barriers and internal terminations) is a four-channel machinery protection and condition monitoring module. It accepts input from proximity transducers, processes the signals to measure vibration, position, eccentricity, thrust, or differential expansion, and compares them to programmable alarm setpoints. This ensures real-time machinery protection and provides vital operational and maintenance insights.

Technical Specifications

Applications

• Continuous protection of rotating machinery in critical industrial environments

• Monitoring radial vibration in turbines, compressors, pumps, and motors

• Measuring thrust position for early detection of axial displacement

• Tracking eccentricity in rotors to prevent imbalance-related damage

• Detecting thermal growth with differential expansion monitoring

• Integration with plant control and asset management systems

Advantages

• Multi-parameter monitoring in a single module

• High accuracy (±0.33% typical) with wide configuration flexibility

• Real-time alarm processing for immediate fault detection

• Rugged design suitable for hazardous and marine environments

• Modular architecture for easy system expansion and maintenance

• Compliance with global safety and EMC standards

FAQ

Q1: What is the main function of the 3500/40 Proximitor Monitor?

A1: It monitors machinery vibration and position parameters using proximity probes and provides alarm-based protection.

Q2: How many channels does it support?

A2: It supports four channels, configurable in pairs for different measurements.

Q3: Can it operate in hazardous environments?

A3: Yes, it has ATEX, IECEx, and CSA hazardous area approvals.

Q4: What types of measurements can it perform?

A4: Radial vibration, thrust position, differential expansion, eccentricity, and REBAM.

Q5: What is the operating temperature range?

A5: -30°C to +65°C without barriers, or 0°C to +65°C with barriers.

Q6: How is it installed in the rack?

A6: It occupies one full-height front slot for the monitor and one full-height rear slot for the I/O module.

Q7: What is the power consumption?

A7: 7.7 watts typical.

Q8: What is the signal sensitivity?

A8: Typically 3.94 mV/μm or 7.87 mV/μm for most functions.

Q9: Does it provide buffered transducer outputs?

A9: Yes, each channel has a coaxial connector output.

Q10: Is it compatible with all Bently Nevada proximity probes?

A10: It is designed for use with Bently Nevada Proximitor proximity transducers.