Description
Description
The Bently Nevada 133388-02 is a 3500/50 Tachometer Module designed for the 3500 Machinery Protection System. This module is a four-channel device that accepts input from proximity transducers or magnetic pickups to measure shaft speed, rotor acceleration, and rotor direction. It is a critical component for monitoring rotating machinery, providing essential speed data for protection and control functions within the 3500 rack environment.
Features
- Four-channel monitoring capability for speed and acceleration.
- Compatible with standard Bently Nevada proximity transducers and magnetic pickups.
- Provides proportional DC voltage outputs for speed and acceleration signals.
- Supports programmable alarm setpoints for overspeed and underspeed protection.
- Integrates directly into the 3500 rack backplane for power and communication.
Technical Specifications
| Product Model |
133388-02 |
| Module Type |
Tachometer Monitor Module |
| Channels |
4 |
| Operating Temperature |
-30 degC to +65 degC (-22 degF to +150 degF) |
| Storage Temperature |
-40 degC to +85 degC (-40 degF to +185 degF) |
| Humidity |
95%, non-condensing |
| Manufacturer |
Bently Nevada |
Installation Guidelines
- Ensure the 3500 rack is powered down before inserting or removing the module to prevent electrical damage.
- The module must be installed in a designated slot within the 3500 rack, ensuring proper alignment with the backplane connector.
- Use shielded cabling for all transducer inputs to minimize electromagnetic interference (EMI).
- Ensure proper grounding of the 3500 rack chassis to a clean earth ground to maintain signal integrity.
- Handle the module using ESD-safe practices to protect internal circuitry from electrostatic discharge.
FAQ
Is the 133388-02 module still in production?
No, this specific model has been discontinued by the manufacturer. We provide high-quality surplus or refurbished units to support legacy system maintenance.
What is the primary function of the 3500/50 module?
The 3500/50 Tachometer Module is used to monitor machine speed and acceleration, providing trip and alarm signals to prevent damage to rotating equipment in the event of overspeed conditions.
