Component Description
The part number 3500/22M-01-01-00 refers to a specific configuration of the 3500/22M Dual-Channel Velocity Monitor module from the Bently Nevada 3500 System.
3500/22M: This base number designates a Dual-Channel Velocity Monitor Module. This module is designed to process signals from velocity transducers (seismometers) that measure the casing or bearing housing vibration of machines.
-01-01-00: This suffix indicates the specific factory configuration of the module. It defines the exact hardware and firmware setup, including:
Input Filtering: The specific frequency response and filter settings.
Alarm Setpoint Ranges: The default or predefined ranges for Alert and Danger alarms.
Dynamic Output Scaling: The configuration of the buffered raw signal output.
Sensor Compatibility: The precise electrical characteristics for compatible velocity sensors.
In essence, while a standard 3500/22M monitors casing vibration, the -01-01-00 variant is a pre-configured version tailored for a specific type of machine or application requirement, ensuring optimal performance and simplifying installation.
Key Parameters
The following table outlines the key parameters for the 3500/22M-01-01-00 Velocity Monitor module.
| Parameter | Specification |
|---|---|
| System | Bently Nevada 3500 |
| Primary Function | Casing Vibration Monitoring via Velocity Transducers |
| Channels | Two independent monitoring channels. |
| Input Type | Accepts signals from industrial velocity transducers. |
| Frequency Response | Pre-configured per -01-01-00 specification (e.g., 4.5 Hz to 1000 Hz). |
| Measurement | Overall vibration velocity, typically in mm/s RMS or in/s RMS. |
| Alarm Functions | Two programmable alarm setpoints (Alert, Danger) per channel with configurable delays. |
| Dynamic Signal Output | Buffered raw sensor signal for analysis by external systems. |
| Configuration | Pre-defined hardware/firmware configuration for specific application needs. |
| Mounting | Slides into a dedicated slot in a 3500 rack. |
| Dimensions (H x W x D) | Approx. 193 mm x 55 mm x 200 mm (7.6 in x 2.16 in x 7.87 in) |
| Weight | Approx. 0.6 kg (1.3 lbs) |
Application Scenarios
The 3500/22M-01-01-00 is applied in scenarios requiring reliable monitoring of casing vibration on machines where the installation of shaft-relative probes is not feasible. Its specific configuration makes it ideal for:
Motor and Fan Monitoring:
Application: Large electric motors, induced/forced draft fans, blowers.
Function: Provides essential protection against unbalance, misalignment, and mechanical looseness by monitoring bearing housing vibration. The specific
-01-01-00configuration ensures it is optimally tuned for the common operational speed ranges of these machines.Pump Casing Vibration:
Application: Vertical pumps, cooling water pumps, and other pumps with rolling element bearings.
Function: Detects faults like cavitation, bearing wear, and impeller issues. The pre-configured settings make it a plug-and-play solution for common pump vibration protection schemes.
Auxiliary and General Purpose Equipment:
Application: Gearboxes, conveyors, and mixers.
Function: Serves as a cost-effective and reliable protection solution for non-critical or slow-speed rotating equipment where basic, robust vibration monitoring is required for safety and to prevent unexpected failures.
Supplemental Monitoring on Critical Trains:
Application: Power generation and petrochemical plant machinery trains.
Function: Used alongside shaft vibration monitors (e.g., 3500/42M) on turbines and compressors to provide a more comprehensive view of machine health. The specific configuration ensures it effectively captures casing vibrations that may not be fully detected by shaft probes.
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