Bently Nevada 3500/50 133388-02 Tachometer Module

Rotating Machinery Speed & Condition Monitoring Applications
The Bently Nevada 3500/50 Tachometer Module is engineered to deliver precise shaft speed (tachometer) and timing reference data as part of the 3500 condition monitoring system. It is widely used in power generation, oil & gas compressor stations, petrochemical facilities, and heavy industrial applications where accurate rotational speed information is essential for protection logic, machinery diagnostics, and performance analysis.  

Key Advantages

• Accurate speed measurement: Delivers precise tachometer data for shaft speed and timing reference in real time.

• Enhanced machinery protection: Supports trip logic, vibration phase analysis, and speed‑based fault detection.

• Industrial‑grade reliability: Built to withstand vibration, electrical noise, and temperature variations common in plant environments.

• Seamless system integration: Fits into standard 3500 series system racks and interfaces cleanly with other monitoring modules.

• Operational diagnostics: Provides status indicators to support system health checks and troubleshooting.

Technical FAQs

1. What is the primary function of the 3500/50 module?
   It measures shaft rotational speed and provides timing reference inputs to the 3500 monitoring system.

2. Can it operate continuously in harsh industrial environments?
   Yes — the module is designed for 24/7 continuous operation under demanding conditions.

3. What sensors does it interface with?
   It typically connects to proximity probes, magnetic pickups, or high‑speed tachometer sensors.

4. What are the physical dimensions?
   The module measures 241.3 × 24.4 × 241.8 mm.

5. What is the weight of the module?
   It weighs approximately 0.91 kg.

6. How is it installed?
   It installs into the backplane of a standard 3500 series system rack.

7. Does it provide diagnostics?
   Yes — operational status indicators help with system visibility and troubleshooting.

8. Is it compatible with other 3500 system modules?
   Yes — it integrates seamlessly with the broader 3500 series vibration and condition monitoring architecture.

9. Can it support phase‑referenced vibration analysis?
   Yes — its accurate timing reference supports phase relationship calculations for advanced diagnostics.

10. Is this module suitable for hazardous area installations?
    This standard industrial variant is designed for general plant environments; certified configurations must be specified for hazardous locations.