Description

The BENTLY NEVADA 3500/22M 138607-01 represents a highly advanced Dual Channel Vibration Monitor module within the renowned 3500 Machinery Protection System. This sophisticated component is specifically engineered for continuous monitoring of mechanical vibration in critical rotating equipment, providing essential protection for turbines, compressors, generators, and other high-value assets. The 3500/22M 138607-01 module combines two independent monitoring channels in a single slot configuration, offering enhanced density and performance for vibration measurement applications. Its primary function involves accurately processing signals from velocity transducers or accelerometers to detect and alert operators to changing mechanical conditions that could indicate developing machinery problems.

This advanced monitor module incorporates state-of-the-art digital signal processing technology that enables precise measurement of vibration amplitude and frequency characteristics. The BENTLY NEVADA 3500/22M 138607-01 features sophisticated algorithms for signal validation, noise rejection, and fault detection, ensuring that only genuine vibration events trigger alarms while ignoring electrical noise and transient signals. The module’s design includes comprehensive self-diagnostic capabilities that continuously monitor the health of the module itself as well as the connected sensors and cabling infrastructure. This ensures maximum system reliability and prevents unnecessary downtime while maintaining critical machinery protection.

3500/22M 138607-01 BENTLY

Technical Specifications

Parameter Name	Parameter Value
Product Model	3500/22M 138607-01
Manufacturer	Bently Nevada (a Baker Hughes business)
Product Type	Dual Channel Vibration Monitor Module
Number of Channels	2 independent monitoring channels
Input Type	Accepts velocity transducers (100 mV/in/s) and accelerometers (100 mV/g)
Frequency Response	4.5 Hz to 5000 Hz (±3 dB) for velocity inputs
Dynamic Range	72 dB minimum
Input Impedance	100 kΩ minimum
Signal Input Range	±18 VDC maximum
Sensitivity Range	Programmable from 0.1 to 50.0 V/in/s or V/g
Update Rate	1 ms per channel
Operating Temperature	-30°C to +65°C (-22°F to +149°F)
Power Requirements	+5 VDC @ 800 mA, ±15 VDC @ 50 mA
Certifications	ATEX, IECEx, cFM, CSA, and other international standards

Main Features and Advantages

The BENTLY NEVADA 3500/22M 138607-01 offers exceptional measurement versatility through its support for multiple sensor types and extensive configuration options. Each channel can be independently configured for either velocity or acceleration measurement, with programmable sensitivity ranges to accommodate various sensor types and measurement requirements. The module incorporates advanced anti-aliasing filters and high-resolution analog-to-digital conversion, ensuring accurate vibration measurement across the entire frequency spectrum. Digital signal processing algorithms provide precise computation of vibration parameters while effectively rejecting electrical noise and interference.

Advanced Configuration and Diagnostics: The module provides extensive configuration capabilities through the 3500 Framework software, allowing customization of filter settings, alarm setpoints, and response characteristics to match specific machinery protection requirements. Built-in continuous self-diagnostics monitor the health of the module itself as well as the connected sensors and cabling, providing early warning of potential system degradation. The module’s non-volatile memory retains all configuration settings, ensuring continuous operation even during power interruptions. Dual-level alarm setpoints with adjustable delay timers prevent nuisance trips while ensuring genuine dangerous conditions trigger appropriate protective actions.

Enhanced Integration and Flexibility: The 3500/22M 138607-01 seamlessly integrates with the complete 3500 monitoring system, sharing data with other modules and providing comprehensive machinery protection. The module supports multiple output options including 4-20 mA analog outputs for each channel, relay outputs for alarm and danger setpoints, and digital communication via the 3500 rack interface. This flexibility allows the module to interface with DCS systems, PLCs, and other plant control systems, providing comprehensive vibration data throughout the facility.

Application Field

The BENTLY NEVADA 3500/22M 138607-01 is deployed across multiple industries where reliable vibration monitoring is critical for operational safety and equipment reliability. In power generation facilities, the module protects steam and gas turbines, generators, and large pumping systems by monitoring casing vibration and overall machine health. The oil and gas industry relies on the 3500/22M 138607-01 for protecting critical compression equipment, pipeline pumps, and turboexpanders in upstream, midstream, and downstream operations.

In petrochemical and refining applications, the module provides essential protection for large centrifugal compressors, process pumps, and fan systems that operate continuously under demanding conditions. The module is particularly valuable in applications requiring broad-band vibration monitoring for general machinery health assessment, including gearboxes, large motors, and various rotating equipment. The pulp and paper industry utilizes the 3500/22M 138607-01 for monitoring large paper machine rolls and critical pumping systems. The module’s robust design and certifications make it suitable for hazardous areas and critical applications where equipment failure could result in significant safety, environmental, or economic consequences.

3500/22M 138607-01 BENTLY

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