Parameter Specifications
Power Supply
The BENTLY 3500/22M typically operates on a dual redundant 115/230V AC power supply or 24V DC power supply. The power consumption is relatively low, ensuring energy – efficiency while maintaining stable operation.
Input Channels
It is equipped with multiple input channels. For vibration monitoring, it can accept signals from up to 8 proximity probes or accelerometers. These input channels are designed to handle a wide range of signal amplitudes and frequencies accurately.
Measurement Range
The measurement range for vibration displacement can typically span from a few micrometers to several millimeters, and for vibration velocity, it can cover a range suitable for most industrial rotating machinery applications.
Output Signals
It provides various output signals, including analog outputs (such as 4 – 20mA) for continuous monitoring and digital outputs for alarm and trip functions. These outputs can be configured according to specific application requirements.
Uses
Vibration Monitoring of Rotating Machinery
The primary use of the BENTLY 3500/22M is to monitor the vibration of rotating machinery, such as turbines, generators, compressors, and pumps. By continuously measuring vibration parameters, it can detect early signs of mechanical problems, such as imbalance, misalignment, and bearing wear.
Condition – Based Maintenance
It enables condition – based maintenance strategies. The data collected by the system helps maintenance personnel to schedule maintenance activities based on the actual condition of the machinery, rather than on a fixed – time schedule. This approach can reduce maintenance costs and improve the reliability of the equipment.
Safety Protection
In case of excessive vibration, the BENTLY 3500/22M can trigger alarms and even initiate automatic shutdown procedures to protect the machinery from severe damage and prevent potential safety hazards.
Weight and Dimensions
Weight
The weight of the BENTLY 3500/22M is approximately 3 kg, which is relatively light considering its functionality and the robustness of its design.
Dimensions
It has a compact design with a length of about 177.8 mm, a width of 139.7 mm, and a height of 139.7 mm. This compact size allows it to be easily installed in standard industrial control cabinets or on machinery enclosures.
Characteristics
High – Precision Measurement
The BENTLY 3500/22M offers high – precision vibration measurement capabilities, ensuring accurate detection of even small changes in vibration levels. This is crucial for early fault detection in rotating machinery.
Flexible Configuration
It provides a high degree of flexibility in configuration. Users can customize input channels, measurement ranges, alarm settings, and output functions according to the specific requirements of different applications.
Redundant Design
The dual redundant power supply design enhances the reliability of the system. In case of a power supply failure in one channel, the other can continue to power the module, ensuring uninterrupted monitoring.
Stability and Reliability
Stability
The BENTLY 3500/22M is designed to provide stable performance over a long period. It can operate stably in harsh industrial environments, with resistance to temperature variations, humidity, and electromagnetic interference.
Reliability
With high – quality components and strict quality control during manufacturing, it has a low failure rate. It has been widely used in industrial applications for many years, proving its reliability in critical machinery monitoring tasks.
Real – World Case
In a large – scale power generation plant, the BENTLY 3500/22M was installed on a steam turbine. Through continuous vibration monitoring, it detected a slight increase in vibration levels caused by early – stage bearing wear. The system immediately issued an alarm, allowing maintenance personnel to schedule a timely bearing replacement. This proactive maintenance approach prevented a potential turbine breakdown, avoiding significant production losses and ensuring the stable power supply of the plant.









